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21% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

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21% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

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21% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

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Airgas Part #:E02NI79E15A00B1

21% Oxygen Balance Nitrogen Certified Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

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21% Oxygen Balance Nitrogen Certified Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

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21% Oxygen Balance Nitrogen Certified Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

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Airgas Part #:X02NI79C15A5611

21% Oxygen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-590

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21% Oxygen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-590

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21% Oxygen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-590

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Airgas Part #:X02NI79C2001127

21% Oxygen Balance Helium Certified Standard Mixture, Size 300 Cylinder, CGA-590

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21% Oxygen Balance Helium Certified Standard Mixture, Size 300 Cylinder, CGA-590

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21% Oxygen Balance Helium Certified Standard Mixture, Size 300 Cylinder, CGA-590

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Airgas Part #:X02HE79C300D221

Diving Grade 21% Oxygen Balance Helium Size 300 Diving Grade-ind Mix CGA-590 Oxygen Diving Grade Helium Diving Grade

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Diving Grade 21% Oxygen Balance Helium Size 300 Diving Grade-ind Mix CGA-590 Oxygen Diving Grade Helium Diving Grade

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Diving Grade 21% Oxygen Balance Helium Size 300 Diving Grade-ind Mix CGA-590 Oxygen Diving Grade Helium Diving Grade

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Airgas Part #:HE DVGOX21C300

Industrial 21% Oxygen Balance Nitrogen Size 200 Industrial-mix Customer Owned CGA-590

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Industrial 21% Oxygen Balance Nitrogen Size 200 Industrial-mix Customer Owned CGA-590

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Industrial 21% Oxygen Balance Nitrogen Size 200 Industrial-mix Customer Owned CGA-590

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Airgas Part #:NI OX21200C

Diving Grade 21% Oxygen Balance Helium Size 300 12PK

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Diving Grade 21% Oxygen Balance Helium Size 300 12PK

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Diving Grade 21% Oxygen Balance Helium Size 300 12PK

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Airgas Part #:HE DVGOX21C23

PH 0.5% 1 BUTENE 0.5% HYDROGEN SULFIDE 0.5% ISOBUTYLENE 1% 1,3 BUTADIENE 1% ACETYLENE 1% ARGON 1% CARBON DIOXIDE 1% CARBON MONOXIDE 2% CIS 2 BUTENE 2% ISOPENTANE 2% N BUTANE 2% TRANS 2 BUTENE 3% ISOBUTANE 5% ETHANE 5% PROPANE 6% ETHYLENE 6% PROPYLENE 10% HYDROGEN 30% METHANE BALANCE NITROGEN SIZE 300A PRIMARY HYDROCARBON CGA 330 EXXONMOBILE EM BT REFINERY - CR-463 BLEND REQUEST # 658774 HOT BOX REQUIREMENTS STENCIL BTR-659 HRVOC BLEND ANALYZE AND REPORT BALANCE OF NITROGEN ON CERTIFICATION REPORT BALANCE AS % WRITTEN CERT <(>&<)> TAGS TO EXXONMOBIL REFINERY W/PO# AND BTR-659 PI #58681 CONT BLEND #EM/REF-483 LINE WRITTEN CERT AND TAG TO EXXONMOBIL REFINERY BLEND #BTR659NEW AND PO # CUSTOM MIX

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PH 0.5% 1 BUTENE 0.5% HYDROGEN SULFIDE 0.5% ISOBUTYLENE 1% 1,3 BUTADIENE 1% ACETYLENE 1% ARGON 1% CARBON DIOXIDE 1% CARBON MONOXIDE 2% CIS 2 BUTENE 2% ISOPENTANE 2% N BUTANE 2% TRANS 2 BUTENE 3% ISOBUTANE 5% ETHANE 5% PROPANE 6% ETHYLENE 6% PROPYLENE 10% HYDROGEN 30% METHANE BALANCE NITROGEN SIZE 300A PRIMARY HYDROCARBON CGA 330 EXXONMOBILE EM BT REFINERY - CR-463 BLEND REQUEST # 658774 HOT BOX REQUIREMENTS STENCIL BTR-659 HRVOC BLEND ANALYZE AND REPORT BALANCE OF NITROGEN ON CERTIFICATION REPORT BALANCE AS % WRITTEN CERT <(>&<)> TAGS TO EXXONMOBIL REFINERY W/PO# AND BTR-659 PI #58681 CONT BLEND #EM/REF-483 LINE WRITTEN CERT AND TAG TO EXXONMOBIL REFINERY BLEND #BTR659NEW AND PO # CUSTOM MIX

SDS

PH 0.5% 1 BUTENE 0.5% HYDROGEN SULFIDE 0.5% ISOBUTYLENE 1% 1,3 BUTADIENE 1% ACETYLENE 1% ARGON 1% CARBON DIOXIDE 1% CARBON MONOXIDE 2% CIS 2 BUTENE 2% ISOPENTANE 2% N BUTANE 2% TRANS 2 BUTENE 3% ISOBUTANE 5% ETHANE 5% PROPANE 6% ETHYLENE 6% PROPYLENE 10% HYDROGEN 30% METHANE BALANCE NITROGEN SIZE 300A PRIMARY HYDROCARBON CGA 330 EXXONMOBILE EM BT REFINERY - CR-463 BLEND REQUEST # 658774 HOT BOX REQUIREMENTS STENCIL BTR-659 HRVOC BLEND ANALYZE AND REPORT BALANCE OF NITROGEN ON CERTIFICATION REPORT BALANCE AS % WRITTEN CERT <(>&<)> TAGS TO EXXONMOBIL REFINERY W/PO# AND BTR-659 PI #58681 CONT BLEND #EM/REF-483 LINE WRITTEN CERT AND TAG TO EXXONMOBIL REFINERY BLEND #BTR659NEW AND PO # CUSTOM MIX

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Airgas Part #:X20NI20P3HAC000