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    <link:label id="lab_ebs_BiothraxMember_E0472900E9212DCC3E27EC8A3CE5926F_terseLabel_en-US" xlink:label="lab_ebs_BiothraxMember_E0472900E9212DCC3E27EC8A3CE5926F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Anthrax Vaccines</link:label>
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    <link:label id="lab_ebs_ACAM2000Member_20E1FB2F441874566B25EC8A3CE52717_terseLabel_en-US" xlink:label="lab_ebs_ACAM2000Member_20E1FB2F441874566B25EC8A3CE52717" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ACAM2000</link:label>
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    <link:label id="lab_us-gaap_OtherLiabilitiesMember_4E9F1C41A3964BED46B821D7F7A6F0C1_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesMember_4E9F1C41A3964BED46B821D7F7A6F0C1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Liabilities</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherLiabilitiesMember" xlink:label="loc_us-gaap_OtherLiabilitiesMember_4E9F1C41A3964BED46B821D7F7A6F0C1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilitiesMember_4E9F1C41A3964BED46B821D7F7A6F0C1" xlink:to="lab_us-gaap_OtherLiabilitiesMember_4E9F1C41A3964BED46B821D7F7A6F0C1" xlink:type="arc" />
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    <link:label id="lab_ebs_OperatingLeaseOtherLiabilityCurrent_7A704BA9C4FBD46899B521D7F7A7D765_terseLabel_en-US" xlink:label="lab_ebs_OperatingLeaseOtherLiabilityCurrent_7A704BA9C4FBD46899B521D7F7A7D765" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating lease liabilities, current portion</link:label>
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    <link:label id="lab_us-gaap_OperatingLeaseLiabilityCurrent_CD95F80DB467243E609721D7F7A7C704_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilityCurrent_CD95F80DB467243E609721D7F7A7C704" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Liability, Current</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:label="loc_us-gaap_OperatingLeaseLiability_F20A931FA5ACC85F17C821D7F7A77BC4" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PensionExpense_73949FB6D3216DFD6DD95E02A7D6A133_label_en-US" xlink:label="lab_us-gaap_PensionExpense_73949FB6D3216DFD6DD95E02A7D6A133" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension Cost (Reversal of Cost)</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward" xlink:label="loc_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_30030571434F70E0959C5E02A7D6DA21" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_085AAD9D3A254DF70D655E02A7D6FCDC_periodStartLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_085AAD9D3A254DF70D655E02A7D6FCDC" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Fair value of plan assets, beginning of year</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_085AAD9D3A254DF70D655E02A7D6FCDC_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_085AAD9D3A254DF70D655E02A7D6FCDC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_085AAD9D3A254DF70D655E02A7D6FCDC" xlink:type="locator" />
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    <link:label id="lab_ebs_CreditAgreementMember_A77EAB942115FD26B666CAFC047CF395_label_en-US" xlink:label="lab_ebs_CreditAgreementMember_A77EAB942115FD26B666CAFC047CF395" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Agreement [Member]</link:label>
    <link:label id="lab_ebs_CreditAgreementMember_A77EAB942115FD26B666CAFC047CF395_documentation_en-US" xlink:label="lab_ebs_CreditAgreementMember_A77EAB942115FD26B666CAFC047CF395" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit agreement dated September 2017.</link:label>
    <link:loc xlink:href="ebs-20191231.xsd#ebs_CreditAgreementMember" xlink:label="loc_ebs_CreditAgreementMember_A77EAB942115FD26B666CAFC047CF395" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ebs_CreditAgreementMember_A77EAB942115FD26B666CAFC047CF395" xlink:to="lab_ebs_CreditAgreementMember_A77EAB942115FD26B666CAFC047CF395" xlink:type="arc" />
    <link:label id="lab_ebs_AmendedCreditAgreementMember_6771FBDC1E3E83A57840CAFC047C152E_terseLabel_en-US" xlink:label="lab_ebs_AmendedCreditAgreementMember_6771FBDC1E3E83A57840CAFC047C152E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amended Credit Agreement</link:label>
    <link:label id="lab_ebs_AmendedCreditAgreementMember_6771FBDC1E3E83A57840CAFC047C152E_label_en-US" xlink:label="lab_ebs_AmendedCreditAgreementMember_6771FBDC1E3E83A57840CAFC047C152E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amended Credit Agreement [Member]</link:label>
    <link:label id="lab_ebs_AmendedCreditAgreementMember_6771FBDC1E3E83A57840CAFC047C152E_documentation_en-US" xlink:label="lab_ebs_AmendedCreditAgreementMember_6771FBDC1E3E83A57840CAFC047C152E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amended credit agreement dated October 15, 2018.</link:label>
    <link:loc xlink:href="ebs-20191231.xsd#ebs_AmendedCreditAgreementMember" xlink:label="loc_ebs_AmendedCreditAgreementMember_6771FBDC1E3E83A57840CAFC047C152E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_VariableRateAxis_179DE93828794C3B1198CAFC047D66BA_terseLabel_en-US" xlink:label="lab_us-gaap_VariableRateAxis_179DE93828794C3B1198CAFC047D66BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable Rate [Axis]</link:label>
    <link:label id="lab_us-gaap_VariableRateAxis_179DE93828794C3B1198CAFC047D66BA_label_en-US" xlink:label="lab_us-gaap_VariableRateAxis_179DE93828794C3B1198CAFC047D66BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Rate [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_179DE93828794C3B1198CAFC047D66BA" xlink:type="locator" />
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    <link:label id="lab_us-gaap_VariableRateDomain_73152AF8A7ED42DB0ECACAFC047D8E2A_terseLabel_en-US" xlink:label="lab_us-gaap_VariableRateDomain_73152AF8A7ED42DB0ECACAFC047D8E2A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable Rate [Domain]</link:label>
    <link:label id="lab_us-gaap_VariableRateDomain_73152AF8A7ED42DB0ECACAFC047D8E2A_label_en-US" xlink:label="lab_us-gaap_VariableRateDomain_73152AF8A7ED42DB0ECACAFC047D8E2A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Rate [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_73152AF8A7ED42DB0ECACAFC047D8E2A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FederalFundsEffectiveSwapRateMember_43778BF338B232E545D1CAFC047D4729_terseLabel_en-US" xlink:label="lab_us-gaap_FederalFundsEffectiveSwapRateMember_43778BF338B232E545D1CAFC047D4729" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Federal Funds Rate</link:label>
    <link:label id="lab_us-gaap_FederalFundsEffectiveSwapRateMember_43778BF338B232E545D1CAFC047D4729_label_en-US" xlink:label="lab_us-gaap_FederalFundsEffectiveSwapRateMember_43778BF338B232E545D1CAFC047D4729" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Federal Funds Effective Swap Rate [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FederalFundsEffectiveSwapRateMember" xlink:label="loc_us-gaap_FederalFundsEffectiveSwapRateMember_43778BF338B232E545D1CAFC047D4729" xlink:type="locator" />
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    <link:label id="lab_us-gaap_EurodollarMember_DAD68CEE51F61ECF5CB3CAFC047D293D_terseLabel_en-US" xlink:label="lab_us-gaap_EurodollarMember_DAD68CEE51F61ECF5CB3CAFC047D293D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Eurodollar</link:label>
    <link:label id="lab_us-gaap_EurodollarMember_DAD68CEE51F61ECF5CB3CAFC047D293D_label_en-US" xlink:label="lab_us-gaap_EurodollarMember_DAD68CEE51F61ECF5CB3CAFC047D293D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Eurodollar [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EurodollarMember" xlink:label="loc_us-gaap_EurodollarMember_DAD68CEE51F61ECF5CB3CAFC047D293D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_BaseRateMember_E2DC69E842E8B7AD7C4CCAFC047D90C4_terseLabel_en-US" xlink:label="lab_us-gaap_BaseRateMember_E2DC69E842E8B7AD7C4CCAFC047D90C4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Base Rate</link:label>
    <link:label id="lab_us-gaap_BaseRateMember_E2DC69E842E8B7AD7C4CCAFC047D90C4_label_en-US" xlink:label="lab_us-gaap_BaseRateMember_E2DC69E842E8B7AD7C4CCAFC047D90C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Base Rate [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BaseRateMember" xlink:label="loc_us-gaap_BaseRateMember_E2DC69E842E8B7AD7C4CCAFC047D90C4" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentLineItems_A4E2715F57C6ACFBAF02CAFC047FF3BD_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_A4E2715F57C6ACFBAF02CAFC047FF3BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_A4E2715F57C6ACFBAF02CAFC047FF3BD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A4E2715F57C6ACFBAF02CAFC047FF3BD" xlink:to="lab_us-gaap_DebtInstrumentLineItems_A4E2715F57C6ACFBAF02CAFC047FF3BD" xlink:type="arc" />
    <link:label id="lab_ebs_NumberOfLendingInstitutions_93320350272D92778C70CAFC047F6A3C_terseLabel_en-US" xlink:label="lab_ebs_NumberOfLendingInstitutions_93320350272D92778C70CAFC047F6A3C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of lending institutions</link:label>
    <link:label id="lab_ebs_NumberOfLendingInstitutions_93320350272D92778C70CAFC047F6A3C_label_en-US" xlink:label="lab_ebs_NumberOfLendingInstitutions_93320350272D92778C70CAFC047F6A3C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Lending Institutions</link:label>
    <link:label id="lab_ebs_NumberOfLendingInstitutions_93320350272D92778C70CAFC047F6A3C_documentation_en-US" xlink:label="lab_ebs_NumberOfLendingInstitutions_93320350272D92778C70CAFC047F6A3C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of lending institutions in which the entity has a credit facility.</link:label>
    <link:loc xlink:href="ebs-20191231.xsd#ebs_NumberOfLendingInstitutions" xlink:label="loc_ebs_NumberOfLendingInstitutions_93320350272D92778C70CAFC047F6A3C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_FADDE567C96DCD7AE4D7CAFC047FD7B3_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_FADDE567C96DCD7AE4D7CAFC047FD7B3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current borrowing capacity</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_FADDE567C96DCD7AE4D7CAFC047FD7B3_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_FADDE567C96DCD7AE4D7CAFC047FD7B3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Current Borrowing Capacity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_FADDE567C96DCD7AE4D7CAFC047FD7B3" xlink:type="locator" />
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    <link:label id="lab_ebs_ConsolidatedSecuredNetLeverageRatio_C5AD19B1528BC438EAE3CAFC047F8521_terseLabel_en-US" xlink:label="lab_ebs_ConsolidatedSecuredNetLeverageRatio_C5AD19B1528BC438EAE3CAFC047F8521" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net leverage ratio</link:label>
    <link:label id="lab_ebs_ConsolidatedSecuredNetLeverageRatio_C5AD19B1528BC438EAE3CAFC047F8521_label_en-US" xlink:label="lab_ebs_ConsolidatedSecuredNetLeverageRatio_C5AD19B1528BC438EAE3CAFC047F8521" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidated Secured, Net Leverage Ratio</link:label>
    <link:label id="lab_ebs_ConsolidatedSecuredNetLeverageRatio_C5AD19B1528BC438EAE3CAFC047F8521_documentation_en-US" xlink:label="lab_ebs_ConsolidatedSecuredNetLeverageRatio_C5AD19B1528BC438EAE3CAFC047F8521" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum consolidated net leverage ratio required to be maintained under a debt covenant agreement.</link:label>
    <link:loc xlink:href="ebs-20191231.xsd#ebs_ConsolidatedSecuredNetLeverageRatio" xlink:label="loc_ebs_ConsolidatedSecuredNetLeverageRatio_C5AD19B1528BC438EAE3CAFC047F8521" xlink:type="locator" />
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    <link:label id="lab_ebs_AmountRequiredForNetLeverageRatio_8AD94C6847D2851A946ECAFC047F6543_terseLabel_en-US" xlink:label="lab_ebs_AmountRequiredForNetLeverageRatio_8AD94C6847D2851A946ECAFC047F6543" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount required for net leverage ratio</link:label>
    <link:label id="lab_ebs_AmountRequiredForNetLeverageRatio_8AD94C6847D2851A946ECAFC047F6543_label_en-US" xlink:label="lab_ebs_AmountRequiredForNetLeverageRatio_8AD94C6847D2851A946ECAFC047F6543" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount Required for Net Leverage Ratio</link:label>
    <link:label id="lab_ebs_AmountRequiredForNetLeverageRatio_8AD94C6847D2851A946ECAFC047F6543_documentation_en-US" xlink:label="lab_ebs_AmountRequiredForNetLeverageRatio_8AD94C6847D2851A946ECAFC047F6543" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of leverage ratio required to be maintained under a debt covenant agreement.</link:label>
    <link:loc xlink:href="ebs-20191231.xsd#ebs_AmountRequiredForNetLeverageRatio" xlink:label="loc_ebs_AmountRequiredForNetLeverageRatio_8AD94C6847D2851A946ECAFC047F6543" xlink:type="locator" />
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    <link:label id="lab_ebs_DebtInstrumentCovenantLeverageRatio_8C8D9A026D52AB7DCDE7CAFC047F9330_terseLabel_en-US" xlink:label="lab_ebs_DebtInstrumentCovenantLeverageRatio_8C8D9A026D52AB7DCDE7CAFC047F9330" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Covenant, leverage ratio</link:label>
    <link:label id="lab_ebs_DebtInstrumentCovenantLeverageRatio_8C8D9A026D52AB7DCDE7CAFC047F9330_label_en-US" xlink:label="lab_ebs_DebtInstrumentCovenantLeverageRatio_8C8D9A026D52AB7DCDE7CAFC047F9330" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Covenant, Leverage Ratio</link:label>
    <link:label id="lab_ebs_DebtInstrumentCovenantLeverageRatio_8C8D9A026D52AB7DCDE7CAFC047F9330_documentation_en-US" xlink:label="lab_ebs_DebtInstrumentCovenantLeverageRatio_8C8D9A026D52AB7DCDE7CAFC047F9330" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum leverage ratio required to be maintained under a debt covenant agreement. A leverage ratio is calculated by dividing the funded debt by earnings before interest, taxes, depreciation and amortization for the most recent four quarters.</link:label>
    <link:loc xlink:href="ebs-20191231.xsd#ebs_DebtInstrumentCovenantLeverageRatio" xlink:label="loc_ebs_DebtInstrumentCovenantLeverageRatio_8C8D9A026D52AB7DCDE7CAFC047F9330" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_FFE8D11AE460032B8EEFCAFC0480EE7D_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_FFE8D11AE460032B8EEFCAFC0480EE7D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument, basis spread on variable rate</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_FFE8D11AE460032B8EEFCAFC0480EE7D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCredit_9E72E384DEEABC55D698CAFC04807770_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit_9E72E384DEEABC55D698CAFC04807770" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outstanding credit facility</link:label>
    <link:label id="lab_us-gaap_LineOfCredit_9E72E384DEEABC55D698CAFC04807770_label_en-US" xlink:label="lab_us-gaap_LineOfCredit_9E72E384DEEABC55D698CAFC04807770" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Line of Credit</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_9E72E384DEEABC55D698CAFC04807770" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCredit_9E72E384DEEABC55D698CAFC04807770" xlink:to="lab_us-gaap_LineOfCredit_9E72E384DEEABC55D698CAFC04807770" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtIssuanceCostsLineOfCreditArrangementsNet_91ECA200A9D405CA8FF7CB3F899A83B8_terseLabel_en-US" xlink:label="lab_us-gaap_DebtIssuanceCostsLineOfCreditArrangementsNet_91ECA200A9D405CA8FF7CB3F899A83B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt issuance capitalized costs</link:label>
    <link:label id="lab_us-gaap_DebtIssuanceCostsLineOfCreditArrangementsNet_91ECA200A9D405CA8FF7CB3F899A83B8_label_en-US" xlink:label="lab_us-gaap_DebtIssuanceCostsLineOfCreditArrangementsNet_91ECA200A9D405CA8FF7CB3F899A83B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Issuance Costs, Line of Credit Arrangements, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtIssuanceCostsLineOfCreditArrangementsNet" xlink:label="loc_us-gaap_DebtIssuanceCostsLineOfCreditArrangementsNet_91ECA200A9D405CA8FF7CB3F899A83B8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtIssuanceCostsLineOfCreditArrangementsNet_91ECA200A9D405CA8FF7CB3F899A83B8" xlink:to="lab_us-gaap_DebtIssuanceCostsLineOfCreditArrangementsNet_91ECA200A9D405CA8FF7CB3F899A83B8" xlink:type="arc" />
    <link:label id="lab_ebs_DebtInstrumentTermOfVariableRate_93F1364DE9146D07DA8CCAFC0480318E_terseLabel_en-US" xlink:label="lab_ebs_DebtInstrumentTermOfVariableRate_93F1364DE9146D07DA8CCAFC0480318E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument, term of variable rate</link:label>
    <link:label id="lab_ebs_DebtInstrumentTermOfVariableRate_93F1364DE9146D07DA8CCAFC0480318E_label_en-US" xlink:label="lab_ebs_DebtInstrumentTermOfVariableRate_93F1364DE9146D07DA8CCAFC0480318E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Term of Variable Rate</link:label>
    <link:label id="lab_ebs_DebtInstrumentTermOfVariableRate_93F1364DE9146D07DA8CCAFC0480318E_documentation_en-US" xlink:label="lab_ebs_DebtInstrumentTermOfVariableRate_93F1364DE9146D07DA8CCAFC0480318E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Term of the interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index.</link:label>
    <link:loc xlink:href="ebs-20191231.xsd#ebs_DebtInstrumentTermOfVariableRate" xlink:label="loc_ebs_DebtInstrumentTermOfVariableRate_93F1364DE9146D07DA8CCAFC0480318E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ebs_DebtInstrumentTermOfVariableRate_93F1364DE9146D07DA8CCAFC0480318E" xlink:to="lab_ebs_DebtInstrumentTermOfVariableRate_93F1364DE9146D07DA8CCAFC0480318E" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_266180886526170CAEB4CAFC0480EEED_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_266180886526170CAEB4CAFC0480EEED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitment fee percentage</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_266180886526170CAEB4CAFC0480EEED_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_266180886526170CAEB4CAFC0480EEED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Commitment Fee Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage" xlink:label="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_266180886526170CAEB4CAFC0480EEED" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_266180886526170CAEB4CAFC0480EEED" xlink:to="lab_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_266180886526170CAEB4CAFC0480EEED" xlink:type="arc" />
    <link:label id="lab_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayInFirstTwoYears_0E705EAE1F881981A716CAFC0480A901_terseLabel_en-US" xlink:label="lab_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayInFirstTwoYears_0E705EAE1F881981A716CAFC0480A901" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of original principal amount required to repay in the first two years</link:label>
    <link:label id="lab_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayInFirstTwoYears_0E705EAE1F881981A716CAFC0480A901_label_en-US" xlink:label="lab_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayInFirstTwoYears_0E705EAE1F881981A716CAFC0480A901" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of Original Principal Amount Required to Repay in First Two Years</link:label>
    <link:label id="lab_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayInFirstTwoYears_0E705EAE1F881981A716CAFC0480A901_documentation_en-US" xlink:label="lab_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayInFirstTwoYears_0E705EAE1F881981A716CAFC0480A901" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The rate of interest that was being paid on the original debt issue that is to repay in the first two years.</link:label>
    <link:loc xlink:href="ebs-20191231.xsd#ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayInFirstTwoYears" xlink:label="loc_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayInFirstTwoYears_0E705EAE1F881981A716CAFC0480A901" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayInFirstTwoYears_0E705EAE1F881981A716CAFC0480A901" xlink:to="lab_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayInFirstTwoYears_0E705EAE1F881981A716CAFC0480A901" xlink:type="arc" />
    <link:label id="lab_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayDuringTheThirdYear_F5F8A9DAADD7C8552B27CAFC04815E64_terseLabel_en-US" xlink:label="lab_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayDuringTheThirdYear_F5F8A9DAADD7C8552B27CAFC04815E64" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of original principal amount required to repay during the third year</link:label>
    <link:label id="lab_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayDuringTheThirdYear_F5F8A9DAADD7C8552B27CAFC04815E64_label_en-US" xlink:label="lab_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayDuringTheThirdYear_F5F8A9DAADD7C8552B27CAFC04815E64" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of Original Principal Amount Required to Repay During the Third Year</link:label>
    <link:label id="lab_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayDuringTheThirdYear_F5F8A9DAADD7C8552B27CAFC04815E64_documentation_en-US" xlink:label="lab_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayDuringTheThirdYear_F5F8A9DAADD7C8552B27CAFC04815E64" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The rate of interest that was being paid on the original debt issue that is to repay in the third year.</link:label>
    <link:loc xlink:href="ebs-20191231.xsd#ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayDuringTheThirdYear" xlink:label="loc_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayDuringTheThirdYear_F5F8A9DAADD7C8552B27CAFC04815E64" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayDuringTheThirdYear_F5F8A9DAADD7C8552B27CAFC04815E64" xlink:to="lab_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayDuringTheThirdYear_F5F8A9DAADD7C8552B27CAFC04815E64" xlink:type="arc" />
    <link:label id="lab_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayRemainingYears_D09FB84475CA6BAE4CF6CAFC04819352_terseLabel_en-US" xlink:label="lab_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayRemainingYears_D09FB84475CA6BAE4CF6CAFC04819352" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of original principal amount required to repay remaining year</link:label>
    <link:label id="lab_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayRemainingYears_D09FB84475CA6BAE4CF6CAFC04819352_label_en-US" xlink:label="lab_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayRemainingYears_D09FB84475CA6BAE4CF6CAFC04819352" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of Original Principal Amount Required to Repay Remaining Years</link:label>
    <link:label id="lab_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayRemainingYears_D09FB84475CA6BAE4CF6CAFC04819352_documentation_en-US" xlink:label="lab_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayRemainingYears_D09FB84475CA6BAE4CF6CAFC04819352" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The rate of interest that was being paid on the original debt issue that is to repay in remaining years.</link:label>
    <link:loc xlink:href="ebs-20191231.xsd#ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayRemainingYears" xlink:label="loc_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayRemainingYears_D09FB84475CA6BAE4CF6CAFC04819352" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayRemainingYears_D09FB84475CA6BAE4CF6CAFC04819352" xlink:to="lab_ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayRemainingYears_D09FB84475CA6BAE4CF6CAFC04819352" xlink:type="arc" />
    <link:label id="lab_ebs_CashProceedsExcessAmountFromDispositionsOfPropertyOrCasualtyEventsSubjectToCertainReinvestmentRight_5FEFACA487D67312CD63CAFC04816F40_terseLabel_en-US" xlink:label="lab_ebs_CashProceedsExcessAmountFromDispositionsOfPropertyOrCasualtyEventsSubjectToCertainReinvestmentRight_5FEFACA487D67312CD63CAFC04816F40" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash proceeds excess amount from dispositions of property or casualty events subject to certain reinvestment right</link:label>
    <link:label id="lab_ebs_CashProceedsExcessAmountFromDispositionsOfPropertyOrCasualtyEventsSubjectToCertainReinvestmentRight_5FEFACA487D67312CD63CAFC04816F40_label_en-US" xlink:label="lab_ebs_CashProceedsExcessAmountFromDispositionsOfPropertyOrCasualtyEventsSubjectToCertainReinvestmentRight_5FEFACA487D67312CD63CAFC04816F40" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Proceeds Excess Amount from Dispositions of Property or Casualty Events Subject to Certain Reinvestment Right</link:label>
    <link:label id="lab_ebs_CashProceedsExcessAmountFromDispositionsOfPropertyOrCasualtyEventsSubjectToCertainReinvestmentRight_5FEFACA487D67312CD63CAFC04816F40_documentation_en-US" xlink:label="lab_ebs_CashProceedsExcessAmountFromDispositionsOfPropertyOrCasualtyEventsSubjectToCertainReinvestmentRight_5FEFACA487D67312CD63CAFC04816F40" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cash proceeds in excess during the term of the Senior Secured Credit Facility from certain dispositions of property or from casualty events involving their property, subject to certain reinvestment rights.</link:label>
    <link:loc xlink:href="ebs-20191231.xsd#ebs_CashProceedsExcessAmountFromDispositionsOfPropertyOrCasualtyEventsSubjectToCertainReinvestmentRight" xlink:label="loc_ebs_CashProceedsExcessAmountFromDispositionsOfPropertyOrCasualtyEventsSubjectToCertainReinvestmentRight_5FEFACA487D67312CD63CAFC04816F40" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ebs_CashProceedsExcessAmountFromDispositionsOfPropertyOrCasualtyEventsSubjectToCertainReinvestmentRight_5FEFACA487D67312CD63CAFC04816F40" xlink:to="lab_ebs_CashProceedsExcessAmountFromDispositionsOfPropertyOrCasualtyEventsSubjectToCertainReinvestmentRight_5FEFACA487D67312CD63CAFC04816F40" xlink:type="arc" />
    <link:label id="lab_ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_D6B327F17D77BB426F47CAFC04813DE8_terseLabel_en-US" xlink:label="lab_ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_D6B327F17D77BB426F47CAFC04813DE8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt service coverage ratio</link:label>
    <link:label id="lab_ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_D6B327F17D77BB426F47CAFC04813DE8_label_en-US" xlink:label="lab_ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_D6B327F17D77BB426F47CAFC04813DE8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Covenant, Debt Service Coverage Ratio</link:label>
    <link:label id="lab_ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_D6B327F17D77BB426F47CAFC04813DE8_documentation_en-US" xlink:label="lab_ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_D6B327F17D77BB426F47CAFC04813DE8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument, Covenant, Debt Service Coverage Ratio</link:label>
    <link:loc xlink:href="ebs-20191231.xsd#ebs_DebtInstrumentCovenantDebtServiceCoverageRatio" xlink:label="loc_ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_D6B327F17D77BB426F47CAFC04813DE8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_D6B327F17D77BB426F47CAFC04813DE8" xlink:to="lab_ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_D6B327F17D77BB426F47CAFC04813DE8" xlink:type="arc" />
    <link:label id="lab_ebs_DebtCovenantNetLeverageRatioOne_90E03C57BA90CDAA89B8CAFC048103D9_terseLabel_en-US" xlink:label="lab_ebs_DebtCovenantNetLeverageRatioOne_90E03C57BA90CDAA89B8CAFC048103D9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net leverage ratio one</link:label>
    <link:label id="lab_ebs_DebtCovenantNetLeverageRatioOne_90E03C57BA90CDAA89B8CAFC048103D9_label_en-US" xlink:label="lab_ebs_DebtCovenantNetLeverageRatioOne_90E03C57BA90CDAA89B8CAFC048103D9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Covenant, Net Leverage Ratio, One</link:label>
    <link:label id="lab_ebs_DebtCovenantNetLeverageRatioOne_90E03C57BA90CDAA89B8CAFC048103D9_documentation_en-US" xlink:label="lab_ebs_DebtCovenantNetLeverageRatioOne_90E03C57BA90CDAA89B8CAFC048103D9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum leverage ratio required to be maintained under a debt covenant agreement. A leverage ratio is calculated by dividing the funded debt by earnings before interest, taxes, depreciation and amortization for the most recent four quarters.</link:label>
    <link:loc xlink:href="ebs-20191231.xsd#ebs_DebtCovenantNetLeverageRatioOne" xlink:label="loc_ebs_DebtCovenantNetLeverageRatioOne_90E03C57BA90CDAA89B8CAFC048103D9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ebs_DebtCovenantNetLeverageRatioOne_90E03C57BA90CDAA89B8CAFC048103D9" xlink:to="lab_ebs_DebtCovenantNetLeverageRatioOne_90E03C57BA90CDAA89B8CAFC048103D9" xlink:type="arc" />
    <link:label id="lab_ebs_DebtCovenantNetLeverageRatioTwo_6C64B885D1127AD6A229CAFC0481EFC4_terseLabel_en-US" xlink:label="lab_ebs_DebtCovenantNetLeverageRatioTwo_6C64B885D1127AD6A229CAFC0481EFC4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt covenant, leverage ratio from September 30, 2019 to September 29, 2020</link:label>
    <link:label id="lab_ebs_DebtCovenantNetLeverageRatioTwo_6C64B885D1127AD6A229CAFC0481EFC4_label_en-US" xlink:label="lab_ebs_DebtCovenantNetLeverageRatioTwo_6C64B885D1127AD6A229CAFC0481EFC4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Covenant, Net Leverage Ratio, Two</link:label>
    <link:label id="lab_ebs_DebtCovenantNetLeverageRatioTwo_6C64B885D1127AD6A229CAFC0481EFC4_documentation_en-US" xlink:label="lab_ebs_DebtCovenantNetLeverageRatioTwo_6C64B885D1127AD6A229CAFC0481EFC4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum leverage ratio required to be maintained under a debt covenant agreement. A leverage ratio is calculated by dividing the funded debt by earnings before interest, taxes, depreciation and amortization for the most recent four quarters.</link:label>
    <link:loc xlink:href="ebs-20191231.xsd#ebs_DebtCovenantNetLeverageRatioTwo" xlink:label="loc_ebs_DebtCovenantNetLeverageRatioTwo_6C64B885D1127AD6A229CAFC0481EFC4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ebs_DebtCovenantNetLeverageRatioTwo_6C64B885D1127AD6A229CAFC0481EFC4" xlink:to="lab_ebs_DebtCovenantNetLeverageRatioTwo_6C64B885D1127AD6A229CAFC0481EFC4" xlink:type="arc" />
    <link:label id="lab_ebs_DebtCovenantNetLeverageRatioThree_C695B5D73808D2D10005CAFC04816715_terseLabel_en-US" xlink:label="lab_ebs_DebtCovenantNetLeverageRatioThree_C695B5D73808D2D10005CAFC04816715" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net leverage ratio three</link:label>
    <link:label id="lab_ebs_DebtCovenantNetLeverageRatioThree_C695B5D73808D2D10005CAFC04816715_label_en-US" xlink:label="lab_ebs_DebtCovenantNetLeverageRatioThree_C695B5D73808D2D10005CAFC04816715" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Covenant, Net Leverage Ratio, Three</link:label>
    <link:label id="lab_ebs_DebtCovenantNetLeverageRatioThree_C695B5D73808D2D10005CAFC04816715_documentation_en-US" xlink:label="lab_ebs_DebtCovenantNetLeverageRatioThree_C695B5D73808D2D10005CAFC04816715" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum leverage ratio required to be maintained under a debt covenant agreement. A leverage ratio is calculated by dividing the funded debt by earnings before interest, taxes, depreciation and amortization for the most recent four quarters.</link:label>
    <link:loc xlink:href="ebs-20191231.xsd#ebs_DebtCovenantNetLeverageRatioThree" xlink:label="loc_ebs_DebtCovenantNetLeverageRatioThree_C695B5D73808D2D10005CAFC04816715" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ebs_DebtCovenantNetLeverageRatioThree_C695B5D73808D2D10005CAFC04816715" xlink:to="lab_ebs_DebtCovenantNetLeverageRatioThree_C695B5D73808D2D10005CAFC04816715" xlink:type="arc" />
    <link:label id="lab_ebs_DebtCovenantNetLeverageRatioFour_5BEC22CCB9F996A0D42BCAFC048285BD_terseLabel_en-US" xlink:label="lab_ebs_DebtCovenantNetLeverageRatioFour_5BEC22CCB9F996A0D42BCAFC048285BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net leverage ratio four</link:label>
    <link:label id="lab_ebs_DebtCovenantNetLeverageRatioFour_5BEC22CCB9F996A0D42BCAFC048285BD_label_en-US" xlink:label="lab_ebs_DebtCovenantNetLeverageRatioFour_5BEC22CCB9F996A0D42BCAFC048285BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Covenant, Net Leverage Ratio, Four</link:label>
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    <link:label id="lab_ebs_NumberOfStockbasedEmployeeCompensationPlans_D5C9C95E1074CD5C2A50ECB14922E69D_documentation_en-US" xlink:label="lab_ebs_NumberOfStockbasedEmployeeCompensationPlans_D5C9C95E1074CD5C2A50ECB14922E69D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of stock-based compensation plans the company maintains.</link:label>
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    <link:label id="lab_ebs_ShareBasedCompensationArrangementbySharebasedPaymentAwardOptionsExercisePeriod_292FD3CA63820F5B6986ECB14922B268_terseLabel_en-US" xlink:label="lab_ebs_ShareBasedCompensationArrangementbySharebasedPaymentAwardOptionsExercisePeriod_292FD3CA63820F5B6986ECB14922B268" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercise period of options</link:label>
    <link:label id="lab_ebs_ShareBasedCompensationArrangementbySharebasedPaymentAwardOptionsExercisePeriod_292FD3CA63820F5B6986ECB14922B268_label_en-US" xlink:label="lab_ebs_ShareBasedCompensationArrangementbySharebasedPaymentAwardOptionsExercisePeriod_292FD3CA63820F5B6986ECB14922B268" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement by Share-based Payment Award, Options, Exercise Period</link:label>
    <link:label id="lab_ebs_ShareBasedCompensationArrangementbySharebasedPaymentAwardOptionsExercisePeriod_292FD3CA63820F5B6986ECB14922B268_documentation_en-US" xlink:label="lab_ebs_ShareBasedCompensationArrangementbySharebasedPaymentAwardOptionsExercisePeriod_292FD3CA63820F5B6986ECB14922B268" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the period over which options can be exercised from the date of grant.</link:label>
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    <link:label id="lab_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_A5A06D8F7729FE99FA17997671D2895E_label_en-US" xlink:label="lab_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_A5A06D8F7729FE99FA17997671D2895E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Quarterly Financial Information Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_QuarterlyFinancialInformationDisclosureAbstract" xlink:label="loc_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_A5A06D8F7729FE99FA17997671D2895E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_F3B0B5203E206D0E3B15997671D28E31_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_F3B0B5203E206D0E3B15997671D28E31" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Quarterly Financial Information</link:label>
    <link:label id="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_F3B0B5203E206D0E3B15997671D28E31_label_en-US" xlink:label="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_F3B0B5203E206D0E3B15997671D28E31" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Quarterly Financial Information [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_F3B0B5203E206D0E3B15997671D28E31" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_F3B0B5203E206D0E3B15997671D28E31" xlink:to="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_F3B0B5203E206D0E3B15997671D28E31" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_DBEFB6E4CFD0D587321C688F629616B1_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_DBEFB6E4CFD0D587321C688F629616B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Cash Flows [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_DBEFB6E4CFD0D587321C688F629616B1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_DBEFB6E4CFD0D587321C688F629616B1" xlink:to="lab_us-gaap_StatementOfCashFlowsAbstract_DBEFB6E4CFD0D587321C688F629616B1" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_40B1F265E0DAD923F2A9688F6296C1F3_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_40B1F265E0DAD923F2A9688F6296C1F3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from operating activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_40B1F265E0DAD923F2A9688F6296C1F3_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_40B1F265E0DAD923F2A9688F6296C1F3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_40B1F265E0DAD923F2A9688F6296C1F3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_40B1F265E0DAD923F2A9688F6296C1F3" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_40B1F265E0DAD923F2A9688F6296C1F3" xlink:type="arc" />
    <link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_BDE42209A0529859A5F6688F629641FB_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_BDE42209A0529859A5F6688F629641FB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustments to reconcile to net cash provided by operating activities:</link:label>
    <link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_BDE42209A0529859A5F6688F629641FB_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_BDE42209A0529859A5F6688F629641FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_BDE42209A0529859A5F6688F629641FB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_BDE42209A0529859A5F6688F629641FB" xlink:to="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_BDE42209A0529859A5F6688F629641FB" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensation_EA869048670F3BFD816D688F62966A38_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_EA869048670F3BFD816D688F62966A38" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based compensation</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensation_EA869048670F3BFD816D688F62966A38_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_EA869048670F3BFD816D688F62966A38" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_EA869048670F3BFD816D688F62966A38" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensation_EA869048670F3BFD816D688F62966A38" xlink:to="lab_us-gaap_ShareBasedCompensation_EA869048670F3BFD816D688F62966A38" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherDepreciationAndAmortization_F910FB75654D6975448A688F6296DCCB_terseLabel_en-US" xlink:label="lab_us-gaap_OtherDepreciationAndAmortization_F910FB75654D6975448A688F6296DCCB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_us-gaap_OtherDepreciationAndAmortization_F910FB75654D6975448A688F6296DCCB_label_en-US" xlink:label="lab_us-gaap_OtherDepreciationAndAmortization_F910FB75654D6975448A688F6296DCCB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Depreciation and Amortization</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherDepreciationAndAmortization" xlink:label="loc_us-gaap_OtherDepreciationAndAmortization_F910FB75654D6975448A688F6296DCCB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherDepreciationAndAmortization_F910FB75654D6975448A688F6296DCCB" xlink:to="lab_us-gaap_OtherDepreciationAndAmortization_F910FB75654D6975448A688F6296DCCB" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_EF9CC1324586BA935D46688F6296343E_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_EF9CC1324586BA935D46688F6296343E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred income taxes</link:label>
    <link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_EF9CC1324586BA935D46688F6296343E_label_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_EF9CC1324586BA935D46688F6296343E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Income Tax Expense (Benefit)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_EF9CC1324586BA935D46688F6296343E" xlink:type="locator" />
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    <link:label id="lab_ebs_ChangeInFairValueOfContingentConsideration_129F1619F30BACEF3F6B688F62966E7C_terseLabel_en-US" xlink:label="lab_ebs_ChangeInFairValueOfContingentConsideration_129F1619F30BACEF3F6B688F62966E7C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in fair value of contingent consideration, net</link:label>
    <link:label id="lab_ebs_ChangeInFairValueOfContingentConsideration_129F1619F30BACEF3F6B688F62966E7C_label_en-US" xlink:label="lab_ebs_ChangeInFairValueOfContingentConsideration_129F1619F30BACEF3F6B688F62966E7C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Fair Value Of Contingent Consideration</link:label>
    <link:label id="lab_ebs_ChangeInFairValueOfContingentConsideration_129F1619F30BACEF3F6B688F62966E7C_documentation_en-US" xlink:label="lab_ebs_ChangeInFairValueOfContingentConsideration_129F1619F30BACEF3F6B688F62966E7C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value measurement of contingent value rights and contingent purchase considerations granted under purchase agreements.</link:label>
    <link:loc xlink:href="ebs-20191231.xsd#ebs_ChangeInFairValueOfContingentConsideration" xlink:label="loc_ebs_ChangeInFairValueOfContingentConsideration_129F1619F30BACEF3F6B688F62966E7C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ebs_ChangeInFairValueOfContingentConsideration_129F1619F30BACEF3F6B688F62966E7C" xlink:to="lab_ebs_ChangeInFairValueOfContingentConsideration_129F1619F30BACEF3F6B688F62966E7C" xlink:type="arc" />
    <link:label id="lab_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_6B02A76A58EC7CE5DFC1688F62969247_terseLabel_en-US" xlink:label="lab_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_6B02A76A58EC7CE5DFC1688F62969247" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment of IPR&amp;D intangible asset</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsFinitelived" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_6B02A76A58EC7CE5DFC1688F62969247" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_6B02A76A58EC7CE5DFC1688F62969247" xlink:to="lab_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_6B02A76A58EC7CE5DFC1688F62969247" xlink:type="arc" />
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    <link:label id="lab_us-gaap_AmortizationOfFinancingCosts_9FE4CAB26120110F8009688F6296CCE3_label_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCosts_9FE4CAB26120110F8009688F6296CCE3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of Debt Issuance Costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_9FE4CAB26120110F8009688F6296CCE3" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherNoncashIncomeExpense_75F07D2D023DF7F44921688F62963244_negatedLabel_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_75F07D2D023DF7F44921688F62963244" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_us-gaap_OtherNoncashIncomeExpense_75F07D2D023DF7F44921688F62963244_label_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_75F07D2D023DF7F44921688F62963244" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Noncash Income (Expense)</link:label>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_1DEC0923761D56FA2171688F62963BF3_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_1DEC0923761D56FA2171688F62963BF3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in operating assets and liabilities:</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_6D3111418353C427B325688F62965007" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_21BDFF425F2EBABFF4B2688F629621BD" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_737EFDD7740C9773D7E7688F6296D561_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_737EFDD7740C9773D7E7688F6296D561" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by operating activities:</link:label>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_FE8163555A63E227F5D1688F6296602F_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_FE8163555A63E227F5D1688F6296602F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from investing activities:</link:label>
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    <link:label id="lab_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_8EA848BF5A90B12FF8BF688F6296470B_terseLabel_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_8EA848BF5A90B12FF8BF688F6296470B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effect of exchange rate changes on cash and cash equivalents</link:label>
    <link:label id="lab_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_8EA848BF5A90B12FF8BF688F6296470B_label_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_8EA848BF5A90B12FF8BF688F6296470B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents</link:label>
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    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_FEF39B2DCFAA873212BF688F6296B76D_totalLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_FEF39B2DCFAA873212BF688F6296B76D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net increase (decrease) in cash and cash equivalents and restricted cash</link:label>
    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_FEF39B2DCFAA873212BF688F6296B76D_label_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_FEF39B2DCFAA873212BF688F6296B76D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_FEF39B2DCFAA873212BF688F6296B76D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_FEF39B2DCFAA873212BF688F6296B76D" xlink:to="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_FEF39B2DCFAA873212BF688F6296B76D" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_309AB2E3FDAA84408E10688F6296EFA1_periodStartLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_309AB2E3FDAA84408E10688F6296EFA1" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents and restricted cash at beginning of year</link:label>
    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_309AB2E3FDAA84408E10688F6296EFA1_label_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_309AB2E3FDAA84408E10688F6296EFA1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_309AB2E3FDAA84408E10688F6296EFA1" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_D8DAFE9C626EF98303B2688F6296836D_periodEndLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_D8DAFE9C626EF98303B2688F6296836D" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents and restricted cash at end of year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_D8DAFE9C626EF98303B2688F6296836D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_D8DAFE9C626EF98303B2688F6296836D" xlink:to="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_D8DAFE9C626EF98303B2688F6296836D" xlink:type="arc" />
    <link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_78046F99D267396BA272688F6296A286_terseLabel_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_78046F99D267396BA272688F6296A286" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supplemental disclosure of cash flow information:</link:label>
    <link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_78046F99D267396BA272688F6296A286_label_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_78046F99D267396BA272688F6296A286" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Supplemental Cash Flow Information [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_78046F99D267396BA272688F6296A286" xlink:type="locator" />
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    <link:label id="lab_us-gaap_InterestPaidNet_8B147C46E4DC33E879C0688F6296AF05_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPaidNet_8B147C46E4DC33E879C0688F6296AF05" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash paid during the year for interest</link:label>
    <link:label id="lab_us-gaap_InterestPaidNet_8B147C46E4DC33E879C0688F6296AF05_label_en-US" xlink:label="lab_us-gaap_InterestPaidNet_8B147C46E4DC33E879C0688F6296AF05" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Paid, Excluding Capitalized Interest, Operating Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="loc_us-gaap_InterestPaidNet_8B147C46E4DC33E879C0688F6296AF05" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncomeTaxesPaid_28947AC25683FCBE3195688F62965785_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaid_28947AC25683FCBE3195688F62965785" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash paid during the year for income taxes</link:label>
    <link:label id="lab_us-gaap_IncomeTaxesPaid_28947AC25683FCBE3195688F62965785_label_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaid_28947AC25683FCBE3195688F62965785" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Taxes Paid</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxesPaid" xlink:label="loc_us-gaap_IncomeTaxesPaid_28947AC25683FCBE3195688F62965785" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_69EDE03111FE7B3B1D1A688F6296BC4C_terseLabel_en-US" xlink:label="lab_us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_69EDE03111FE7B3B1D1A688F6296BC4C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supplemental information on non-cash investing and financing activities:</link:label>
    <link:label id="lab_us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_69EDE03111FE7B3B1D1A688F6296BC4C_label_en-US" xlink:label="lab_us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_69EDE03111FE7B3B1D1A688F6296BC4C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Noncash Investing and Financing Items [Abstract]</link:label>
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    <link:label id="lab_us-gaap_StockIssued1_3DAC2249178B85828F48688F62961E72_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssued1_3DAC2249178B85828F48688F62961E72" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issuance of common stock to acquire Adapt Pharma</link:label>
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    <link:label id="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_F316A4993439D6A761CD688F6296CCF7_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_F316A4993439D6A761CD688F6296CCF7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchases of property, plant and equipment unpaid at year end</link:label>
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    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_78CC24DEE2EAEF74B55421D7F88E7B61_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_78CC24DEE2EAEF74B55421D7F88E7B61" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2020</link:label>
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    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_6B2778A3D5402774709E21D7F88E40E5_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_6B2778A3D5402774709E21D7F88E40E5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2021</link:label>
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    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_961A5B897D44B507E213CAFC04A7B4C5_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_961A5B897D44B507E213CAFC04A7B4C5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2020</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_961A5B897D44B507E213CAFC04A7B4C5" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_FC03C573D22B88A5BE27CAFC04A7F704_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_FC03C573D22B88A5BE27CAFC04A7F704" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2021</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_FC03C573D22B88A5BE27CAFC04A7F704" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_EDB9AD3704FCE5BD0569CAFC04A794E0_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_EDB9AD3704FCE5BD0569CAFC04A794E0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2022</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_EDB9AD3704FCE5BD0569CAFC04A794E0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_EDB9AD3704FCE5BD0569CAFC04A794E0" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_EDB9AD3704FCE5BD0569CAFC04A794E0" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_365065BCF79714E3F25FCAFC04A8D527_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_365065BCF79714E3F25FCAFC04A8D527" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2023</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_365065BCF79714E3F25FCAFC04A8D527" xlink:type="locator" />
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    <link:label id="lab_ebs_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter_556008D11630C0A5DFC4CAFC04A87B90_terseLabel_en-US" xlink:label="lab_ebs_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter_556008D11630C0A5DFC4CAFC04A87B90" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2024 and beyond</link:label>
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    <link:label id="lab_us-gaap_SignificantAccountingPoliciesTextBlock_E0FFF4D9138FAE405AD2CCD36E418774_verboseLabel_en-US" xlink:label="lab_us-gaap_SignificantAccountingPoliciesTextBlock_E0FFF4D9138FAE405AD2CCD36E418774" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Summary of significant accounting policies</link:label>
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    <link:label id="lab_ebs_CommonStockNumberofVotesPerCommonShare_C367597176DBBBB9D300556D603733BB_terseLabel_en-US" xlink:label="lab_ebs_CommonStockNumberofVotesPerCommonShare_C367597176DBBBB9D300556D603733BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock, voting rights</link:label>
    <link:label id="lab_ebs_CommonStockNumberofVotesPerCommonShare_C367597176DBBBB9D300556D603733BB_label_en-US" xlink:label="lab_ebs_CommonStockNumberofVotesPerCommonShare_C367597176DBBBB9D300556D603733BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Number of Votes Per Common Share</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_E33FB26D740A196927D8556D6037256E_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_E33FB26D740A196927D8556D6037256E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock authorized for issuance under the plan (in shares)</link:label>
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    <link:label id="lab_us-gaap_ComputerSoftwareIntangibleAssetMember_B418E0B5B419B5310F809238C5329559_verboseLabel_en-US" xlink:label="lab_us-gaap_ComputerSoftwareIntangibleAssetMember_B418E0B5B419B5310F809238C5329559" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Software product life</link:label>
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives_FA643E3879B632DBA9AD9238C534D6AF_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives_FA643E3879B632DBA9AD9238C534D6AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated useful lives</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives_FA643E3879B632DBA9AD9238C534D6AF_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives_FA643E3879B632DBA9AD9238C534D6AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Estimated Useful Lives</link:label>
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    <link:label id="lab_ebs_EmergentBiosolutionsInc2006StockIncentivePlanMember_D9B08F49B7C8677794A6CDFBFC1D2D41_terseLabel_en-US" xlink:label="lab_ebs_EmergentBiosolutionsInc2006StockIncentivePlanMember_D9B08F49B7C8677794A6CDFBFC1D2D41" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2006 Stock Incentive Plan</link:label>
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