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25PPM Hydrogen Sulfide 100PPM Carbon Monoxide 2.5% Methane 19% Oxygen Balance Nitrogen Calibration Gas, Size 58DAL Disposable Aluminum Cylinder, CGA-C10

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25PPM Hydrogen Sulfide 100PPM Carbon Monoxide 2.5% Methane 19% Oxygen Balance Nitrogen Calibration Gas, Size 58DAL Disposable Aluminum Cylinder, CGA-C10

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25PPM Hydrogen Sulfide 100PPM Carbon Monoxide 2.5% Methane 19% Oxygen Balance Nitrogen Calibration Gas, Size 58DAL Disposable Aluminum Cylinder, CGA-C10

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Airgas Part #:X05NI78CP580141

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Pf 0.3% Carbon Monoxide 0.5% Neon 21% Oxygen Balance Nitrogen Size 200 Pulmonary Function Mix CGA 500 **approved**

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Pf 0.3% Carbon Monoxide 0.5% Neon 21% Oxygen Balance Nitrogen Size 200 Pulmonary Function Mix CGA  500 **approved**

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Pf 0.3% Carbon Monoxide 0.5% Neon 21% Oxygen Balance Nitrogen Size 200 Pulmonary Function Mix CGA 500 **approved**

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Airgas Part #:Z04NI78F2000048

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Ct 25PPM Hydrogen Sulfide 50PPM Carbon Monoxide Ct 25PPM Hydrogen Sulfide 50PPM Carbon Monoxide 1.62 %vol Methane 50% Lel Propane Equiv. 18% Oxygen Balance Nitrogen Size 58DAL Certified Standard-spec CGA-C10 **approved**

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Ct 25PPM Hydrogen Sulfide 50PPM Carbon Monoxide Ct 25PPM Hydrogen Sulfide 50PPM Carbon Monoxide 1.62 %vol Methane 50% Lel Propane Equiv. 18% Oxygen Balance Nitrogen Size 58DAL Certified Standard-spec CGA-C10 **approved**

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Ct 25PPM Hydrogen Sulfide 50PPM Carbon Monoxide Ct 25PPM Hydrogen Sulfide 50PPM Carbon Monoxide 1.62 %vol Methane 50% Lel Propane Equiv. 18% Oxygen Balance Nitrogen Size 58DAL Certified Standard-spec CGA-C10 **approved**

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Airgas Part #:X05NI81CP5808T3

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Ep 90PPM Carbon Monoxide 90PPM Nitrogen Dioxide 11% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660 **approved**

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Ep 90PPM Carbon Monoxide 90PPM Nitrogen Dioxide 11% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA  660 **approved**

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Ep 90PPM Carbon Monoxide 90PPM Nitrogen Dioxide 11% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660 **approved**

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Airgas Part #:E04NI88E15A3LS1

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Ep 55PPM Nitrogen Dioxide 11% Carbon Dioxide 13.75% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660 24 Month Recert Custom Mix

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Ep 55PPM Nitrogen Dioxide 11% Carbon Dioxide 13.75% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA  660 24 Month Recert Custom Mix

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Ep 55PPM Nitrogen Dioxide 11% Carbon Dioxide 13.75% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660 24 Month Recert Custom Mix

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Airgas Part #:E04NI75E15AC000

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CT 1PPM 1 PENTANETHIOL 1PPM BUTYL MERCAPTAN 1PPM CARBONYL SULFIDE 1PPM DIETHYL SULFIDE 1PPM DIMETHYL SULFIDE 1PPM ETHYL MERCAPTAN 1PPM METHYL MERCAPTAN 1PPM N PROPYL MERCAPTAN BALANCE NITROGEN SIZE HPI CERTIFIED STANDARD-SPEC CGA 180 BLEND +/- 20%, ACCURACY +/- 5% RESTEK PN 571376 PRIVATE LABEL CUSTOM MIX

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CT 1PPM 1 PENTANETHIOL 1PPM BUTYL MERCAPTAN 1PPM CARBONYL SULFIDE 1PPM DIETHYL SULFIDE 1PPM DIMETHYL SULFIDE 1PPM ETHYL MERCAPTAN 1PPM METHYL MERCAPTAN 1PPM N PROPYL MERCAPTAN BALANCE NITROGEN SIZE HPI CERTIFIED STANDARD-SPEC CGA 180 BLEND +/- 20%, ACCURACY +/- 5% RESTEK PN 571376 PRIVATE LABEL CUSTOM MIX

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CT 1PPM 1 PENTANETHIOL 1PPM BUTYL MERCAPTAN 1PPM CARBONYL SULFIDE 1PPM DIETHYL SULFIDE 1PPM DIMETHYL SULFIDE 1PPM ETHYL MERCAPTAN 1PPM METHYL MERCAPTAN 1PPM N PROPYL MERCAPTAN BALANCE NITROGEN SIZE HPI CERTIFIED STANDARD-SPEC CGA 180 BLEND +/- 20%, ACCURACY +/- 5% RESTEK PN 571376 PRIVATE LABEL CUSTOM MIX

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Airgas Part #:X09NI99CHPIC006

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CT 3% HYDROGEN 4% HELIUM 4% OXYGEN BALANCE NITROGEN SIZE 150A CERTIFIED STANDARD-SPEC CGA 350 **OXIDIZER RICH TECHNICAL CENTER APPROVAL NEEDED**

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CT 3% HYDROGEN 4% HELIUM 4% OXYGEN BALANCE NITROGEN SIZE 150A CERTIFIED STANDARD-SPEC CGA 350 **OXIDIZER RICH TECHNICAL CENTER APPROVAL NEEDED**

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CT 3% HYDROGEN 4% HELIUM 4% OXYGEN BALANCE NITROGEN SIZE 150A CERTIFIED STANDARD-SPEC CGA 350 **OXIDIZER RICH TECHNICAL CENTER APPROVAL NEEDED**

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Airgas Part #:X04NI89C15A0006

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CT 6500PPM PROPYLENE 1.85% HYDROGEN 9% OXYGEN 12% CARBON DIOXIDE BALANCE NITROGEN SIZE 200 CERTIFIED STANDARD-SPEC CGA 590 TRACEABLE NIST SHELF LIFE 36 MONTHS ANALYSIS DATE EXPIRATION DATE ON COA BASF CUSTOM MIX

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CT 6500PPM PROPYLENE 1.85% HYDROGEN 9% OXYGEN 12% CARBON DIOXIDE BALANCE NITROGEN SIZE 200 CERTIFIED STANDARD-SPEC CGA 590 TRACEABLE NIST SHELF LIFE 36 MONTHS ANALYSIS DATE EXPIRATION DATE ON COA BASF CUSTOM MIX

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CT 6500PPM PROPYLENE 1.85% HYDROGEN 9% OXYGEN 12% CARBON DIOXIDE BALANCE NITROGEN SIZE 200 CERTIFIED STANDARD-SPEC CGA 590 TRACEABLE NIST SHELF LIFE 36 MONTHS ANALYSIS DATE EXPIRATION DATE ON COA BASF CUSTOM MIX

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Airgas Part #:X05NI76C200C010

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CT 5PPM ETHYL CHLORIDE 1.1% ETHANE 3% OXYGEN BALANCE HELIUM SIZE 98RAL CERTIFIED STANDARD-SPEC CGA 180 SCOTTY

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CT 5PPM ETHYL CHLORIDE 1.1% ETHANE 3% OXYGEN BALANCE HELIUM SIZE 98RAL CERTIFIED STANDARD-SPEC CGA 180 SCOTTY

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CT 5PPM ETHYL CHLORIDE 1.1% ETHANE 3% OXYGEN BALANCE HELIUM SIZE 98RAL CERTIFIED STANDARD-SPEC CGA 180 SCOTTY

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Airgas Part #:X04HE95CA980001

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Ep 30PPM Nitrogen Dioxide 800PPM Carbon Monoxide 4% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

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Ep 30PPM Nitrogen Dioxide 800PPM Carbon Monoxide 4% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA  660

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Ep 30PPM Nitrogen Dioxide 800PPM Carbon Monoxide 4% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

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Airgas Part #:E04NI95E15A0006

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Pb 0.3% Carbon Monoxide 10% Helium 21% Oxygen Balance Nitrogen Size 200+ Precision Blend-med Pulmonary Function Mix +10% Overfill CGA 500

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Pb 0.3% Carbon Monoxide 10% Helium 21% Oxygen Balance Nitrogen Size 200+ Precision Blend-med Pulmonary Function Mix +10% Overfill CGA  500

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Pb 0.3% Carbon Monoxide 10% Helium 21% Oxygen Balance Nitrogen Size 200+ Precision Blend-med Pulmonary Function Mix +10% Overfill CGA 500

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Airgas Part #:Z04NI68F200Y006

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Ep 55PPM Nitrogen Dioxide 10% Oxygen 12% Carbon Dioxide Balance Nitrogen Size 150A Epa Protocol Standard Customer Owned CGA 660

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Ep 55PPM Nitrogen Dioxide 10% Oxygen 12% Carbon Dioxide Balance Nitrogen Size 150A Epa Protocol Standard Customer Owned CGA  660

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Ep 55PPM Nitrogen Dioxide 10% Oxygen 12% Carbon Dioxide Balance Nitrogen Size 150A Epa Protocol Standard Customer Owned CGA 660

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Airgas Part #:E04NI77E15A0D9C

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Ep 25PPM Nitrogen Dioxide 3.75% Carbon Dioxide 5% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

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Ep 25PPM Nitrogen Dioxide 3.75% Carbon Dioxide 5% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA  660

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Ep 25PPM Nitrogen Dioxide 3.75% Carbon Dioxide 5% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

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Airgas Part #:E04NI91E15A4204

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Ct 20PPM Hydrogen Sulfide 60PPM Carbon Monoxide Ct 20PPM Hydrogen Sulfide 60PPM Carbon Monoxide 1.45% Methane 15% Oxygen Balance Nitrogen Size 150A Certified Standard-spec CGA-330

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Ct 20PPM Hydrogen Sulfide 60PPM Carbon Monoxide Ct 20PPM Hydrogen Sulfide 60PPM Carbon Monoxide 1.45% Methane 15% Oxygen Balance Nitrogen Size 150A Certified Standard-spec CGA-330

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Ct 20PPM Hydrogen Sulfide 60PPM Carbon Monoxide Ct 20PPM Hydrogen Sulfide 60PPM Carbon Monoxide 1.45% Methane 15% Oxygen Balance Nitrogen Size 150A Certified Standard-spec CGA-330

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Airgas Part #:X05NI83C15A44D7

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Pf 0.28% Carbon Monoxide 9.5% Helium 21% Oxygen Balance Nitrogen Size E Pulmonary Function Mix CGA 973 Helium Cannot Exceed 9.9% Co Cannot Exceed 0.3% Special Requirements Custom Mix

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Pf 0.28% Carbon Monoxide 9.5% Helium 21% Oxygen Balance Nitrogen Size E Pulmonary Function Mix CGA  973 Helium Cannot Exceed 9.9% Co Cannot Exceed 0.3% Special Requirements Custom Mix

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Pf 0.28% Carbon Monoxide 9.5% Helium 21% Oxygen Balance Nitrogen Size E Pulmonary Function Mix CGA 973 Helium Cannot Exceed 9.9% Co Cannot Exceed 0.3% Special Requirements Custom Mix

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Airgas Part #:Z04NI69FEC017

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Ep 75PPM Nitrogen Dioxide 6.5% Carbon Dioxide 10% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

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Ep 75PPM Nitrogen Dioxide 6.5% Carbon Dioxide 10% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA  660

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Ep 75PPM Nitrogen Dioxide 6.5% Carbon Dioxide 10% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

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Airgas Part #:E04NI83E15A1FW8

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Ep 38PPM Propane 55PPM Nitrogen Dioxide 10% Oxygen 12% Carbon Dioxide Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

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Ep 38PPM Propane 55PPM Nitrogen Dioxide 10% Oxygen 12% Carbon Dioxide Balance Nitrogen Size 150A Epa Protocol Standard CGA  660

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Ep 38PPM Propane 55PPM Nitrogen Dioxide 10% Oxygen 12% Carbon Dioxide Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

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Airgas Part #:E05NI77E15A5RN5

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Ep 18PPM Propane 25PPM Nitrogen Dioxide 5% Oxygen 7% Carbon Dioxide Balance Nitrogen Size 150A Epa Protocol Standard CGA 660 **approved**

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Ep 18PPM Propane 25PPM Nitrogen Dioxide 5% Oxygen 7% Carbon Dioxide Balance Nitrogen Size 150A Epa Protocol Standard CGA  660 **approved**

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Ep 18PPM Propane 25PPM Nitrogen Dioxide 5% Oxygen 7% Carbon Dioxide Balance Nitrogen Size 150A Epa Protocol Standard CGA 660 **approved**

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Airgas Part #:E05NI87E15A8N54

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Ep 90PPM Nitrogen Dioxide 400PPM Carbon Monoxide 11% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660 ***approved***

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Ep 90PPM Nitrogen Dioxide 400PPM Carbon Monoxide 11% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA  660 ***approved***

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Ep 90PPM Nitrogen Dioxide 400PPM Carbon Monoxide 11% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660 ***approved***

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Airgas Part #:E04NI88E15A0042

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Ep 30PPM Nitrogen Dioxide 180PPM Carbon Monoxide 11% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660 **approved**

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Ep 30PPM Nitrogen Dioxide 180PPM Carbon Monoxide 11% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA  660 **approved**

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Ep 30PPM Nitrogen Dioxide 180PPM Carbon Monoxide 11% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660 **approved**

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Airgas Part #:E04NI88E15A0043

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