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Mixed Gases

69PPM Sulfur Dioxide, 220PPM Nitirc Oxide, 11% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

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69PPM Sulfur Dioxide, 220PPM Nitirc Oxide, 11% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

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69PPM Sulfur Dioxide, 220PPM Nitirc Oxide, 11% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

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Airgas Part #:E04NI88E15A00R8

20PPM Hydrogen Sulfide, 60PPM Carbon Monoxide, 1.45% Methane, 15% Oxygen, Balance Nitrogen Certified Reference Material, 44 Liter Portable Refilable Aluminum High Pressure Cylinder, CGA C10

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20PPM Hydrogen Sulfide, 60PPM Carbon Monoxide, 1.45% Methane, 15% Oxygen, Balance Nitrogen Certified Reference Material, 44 Liter Portable Refilable Aluminum High Pressure Cylinder, CGA C10 20PPM Hydrogen Sulfide, 60PPM Carbon Monoxide, 1.45% Methane, 15% Oxygen, Balance Nitrogen Certified Reference Material, 44 Liter Portable Refilable Aluminum High Pressure Cylinder, CGA C10

SDS

20PPM Hydrogen Sulfide, 60PPM Carbon Monoxide, 1.45% Methane, 15% Oxygen, Balance Nitrogen Certified Reference Material, 44 Liter Portable Refilable Aluminum High Pressure Cylinder, CGA C10

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Airgas Part #:X05NI83CP447763

25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen Certified Reference Material, 58 Liter Portable Refilable Aluminum High Pressure Cylinder, CGA C10

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25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen Certified Reference Material, 58 Liter Portable Refilable Aluminum High Pressure Cylinder, CGA C10 25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen Certified Reference Material, 58 Liter Portable Refilable Aluminum High Pressure Cylinder, CGA C10

SDS

25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen Certified Reference Material, 58 Liter Portable Refilable Aluminum High Pressure Cylinder, CGA C10

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Airgas Part #:X05NI79CA580006

4% Hydrogen, 10% Carbon Monoxide, 20% Carbon Dioxide, Balance Nitrogen Primary Standard Grade, Size 150 High Pressure Aluminum Cylinder, CGA 350

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4% Hydrogen, 10% Carbon Monoxide, 20% Carbon Dioxide, Balance Nitrogen Primary Standard Grade, Size 150 High Pressure Aluminum Cylinder, CGA 350 4% Hydrogen, 10% Carbon Monoxide, 20% Carbon Dioxide, Balance Nitrogen Primary Standard Grade, Size 150 High Pressure Aluminum Cylinder, CGA 350

SDS

4% Hydrogen, 10% Carbon Monoxide, 20% Carbon Dioxide, Balance Nitrogen Primary Standard Grade, Size 150 High Pressure Aluminum Cylinder, CGA 350

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Airgas Part #:X04NI66P15A0007

20PPM Hydrogen Sulfide, 60PPM Carbon Monoxide, 1.45% Methane, 15% Oxygen, Balance Nitrogen Certified Reference Material, 116 Liter Portable Refilable Aluminum High Pressure Cylinder, CGA C10

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20PPM Hydrogen Sulfide, 60PPM Carbon Monoxide, 1.45% Methane, 15% Oxygen, Balance Nitrogen Certified Reference Material, 116 Liter Portable Refilable Aluminum High Pressure Cylinder, CGA C10 20PPM Hydrogen Sulfide, 60PPM Carbon Monoxide, 1.45% Methane, 15% Oxygen, Balance Nitrogen Certified Reference Material, 116 Liter Portable Refilable Aluminum High Pressure Cylinder, CGA C10

SDS

20PPM Hydrogen Sulfide, 60PPM Carbon Monoxide, 1.45% Methane, 15% Oxygen, Balance Nitrogen Certified Reference Material, 116 Liter Portable Refilable Aluminum High Pressure Cylinder, CGA C10

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Airgas Part #:X05NI83CA160021

20PPM Hydrogen Sulfide, 60PPM Carbon Monoxide, 1.45% Methane, 15% Oxygen, Balance Nitrogen Certified Reference Material, 58 Liter Portable Refilable Aluminum High Pressure Cylinder, CGA C10

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20PPM Hydrogen Sulfide, 60PPM Carbon Monoxide, 1.45% Methane, 15% Oxygen, Balance Nitrogen Certified Reference Material, 58 Liter Portable Refilable Aluminum High Pressure Cylinder, CGA C10 20PPM Hydrogen Sulfide, 60PPM Carbon Monoxide, 1.45% Methane, 15% Oxygen, Balance Nitrogen Certified Reference Material, 58 Liter Portable Refilable Aluminum High Pressure Cylinder, CGA C10

SDS

20PPM Hydrogen Sulfide, 60PPM Carbon Monoxide, 1.45% Methane, 15% Oxygen, Balance Nitrogen Certified Reference Material, 58 Liter Portable Refilable Aluminum High Pressure Cylinder, CGA C10

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Airgas Part #:X05NI83CA580007

2.5% Methane, 25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, Balance Air Certified Reference Material, Size 150 High Pressure Aluminum Cylinder White Top, CGA 330

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2.5% Methane, 25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, Balance Air Certified Reference Material, Size 150 High Pressure Aluminum Cylinder White Top, CGA 330 2.5% Methane, 25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, Balance Air Certified Reference Material, Size 150 High Pressure Aluminum Cylinder White Top, CGA 330

SDS

2.5% Methane, 25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, Balance Air Certified Reference Material, Size 150 High Pressure Aluminum Cylinder White Top, CGA 330

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Airgas Part #:X04AI97C15W0003

4% Carbon Monoxide, 8% Carbon Dioxide, 28% Helium, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 350

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4% Carbon Monoxide, 8% Carbon Dioxide, 28% Helium, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 350 4% Carbon Monoxide, 8% Carbon Dioxide, 28% Helium, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 350

SDS

4% Carbon Monoxide, 8% Carbon Dioxide, 28% Helium, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 350

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Airgas Part #:X04NI60C15A0112

25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 2.5% Methane, 17% Oxygen, Balance Nitrogen Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10

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25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 2.5% Methane, 17% Oxygen, Balance Nitrogen Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10 25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 2.5% Methane, 17% Oxygen, Balance Nitrogen Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10

SDS

25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 2.5% Methane, 17% Oxygen, Balance Nitrogen Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10

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Airgas Part #:X05NI80CA345794

40PPM Hydrogen Sulfide, 200PPM Carbon Monoxide, 2.5% Methane, 10% Oxygen, Balance Nitrogen Certified Reference Material, 10 Liter Portable Disposable Aluminum Cylinder

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40PPM Hydrogen Sulfide, 200PPM Carbon Monoxide, 2.5% Methane, 10% Oxygen, Balance Nitrogen Certified Reference Material, 10 Liter Portable Disposable Aluminum Cylinder 40PPM Hydrogen Sulfide, 200PPM Carbon Monoxide, 2.5% Methane, 10% Oxygen, Balance Nitrogen Certified Reference Material, 10 Liter Portable Disposable Aluminum Cylinder

SDS

40PPM Hydrogen Sulfide, 200PPM Carbon Monoxide, 2.5% Methane, 10% Oxygen, Balance Nitrogen Certified Reference Material, 10 Liter Portable Disposable Aluminum Cylinder

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Airgas Part #:X05NI87CP1111X8

20PPM Hydrogen Sulfide, 60PPM Carbon Monoxide, 1.45% Methane, 15% Oxygen, Balance Nitrogen Certified Reference Material, 116 Liter Portable Disposable Aluminum Cylinder, CGA C10

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20PPM Hydrogen Sulfide, 60PPM Carbon Monoxide, 1.45% Methane, 15% Oxygen, Balance Nitrogen Certified Reference Material, 116 Liter Portable Disposable Aluminum Cylinder, CGA C10 20PPM Hydrogen Sulfide, 60PPM Carbon Monoxide, 1.45% Methane, 15% Oxygen, Balance Nitrogen Certified Reference Material, 116 Liter Portable Disposable Aluminum Cylinder, CGA C10

SDS

20PPM Hydrogen Sulfide, 60PPM Carbon Monoxide, 1.45% Methane, 15% Oxygen, Balance Nitrogen Certified Reference Material, 116 Liter Portable Disposable Aluminum Cylinder, CGA C10

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Airgas Part #:X05NI83CP160000

135PPM Nitirc Oxide, 540PPM Sulfur Dioxide, 13.5% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

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135PPM Nitirc Oxide, 540PPM Sulfur Dioxide, 13.5% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660 135PPM Nitirc Oxide, 540PPM Sulfur Dioxide, 13.5% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

SDS

135PPM Nitirc Oxide, 540PPM Sulfur Dioxide, 13.5% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

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Airgas Part #:E04NI86E15A0000

30PPM Methyl Mercaptan, 30PPM Hydrogen Sulfide, 30PPM Carbonyl Sulfide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 330

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30PPM Methyl Mercaptan, 30PPM Hydrogen Sulfide, 30PPM Carbonyl Sulfide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 330 30PPM Methyl Mercaptan, 30PPM Hydrogen Sulfide, 30PPM Carbonyl Sulfide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 330

SDS

30PPM Methyl Mercaptan, 30PPM Hydrogen Sulfide, 30PPM Carbonyl Sulfide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 330

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Airgas Part #:X04NI99C15A58Z0

150PPM Carbon Monoxide, 180PPM Nitric Oxide, 4% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

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150PPM Carbon Monoxide, 180PPM Nitric Oxide, 4% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer 150PPM Carbon Monoxide, 180PPM Nitric Oxide, 4% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

SDS

150PPM Carbon Monoxide, 180PPM Nitric Oxide, 4% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

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Airgas Part #:E04NI95E15A0001

10PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen Certified Reference Material, 116 Liter Portable Refilable Aluminum High Pressure Cylinder, CGA C10

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10PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen Certified Reference Material, 116 Liter Portable Refilable Aluminum High Pressure Cylinder, CGA C10 10PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen Certified Reference Material, 116 Liter Portable Refilable Aluminum High Pressure Cylinder, CGA C10

SDS

10PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen Certified Reference Material, 116 Liter Portable Refilable Aluminum High Pressure Cylinder, CGA C10

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Airgas Part #:X05NI79CA160000

360PPM Nitirc Oxide, 3150PPM Sulfur Dioxide, 18% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

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360PPM Nitirc Oxide, 3150PPM Sulfur Dioxide, 18% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660 360PPM Nitirc Oxide, 3150PPM Sulfur Dioxide, 18% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

SDS

360PPM Nitirc Oxide, 3150PPM Sulfur Dioxide, 18% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

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Airgas Part #:E04NI81E15A39W2

2% Hydrogen, 20% Carbon Dioxide, 20% Carbon Monoxide, Balance Nitrogen Batch Analyzed Mixture, Size 150 High Pressure Aluminum, CGA 350

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2% Hydrogen, 20% Carbon Dioxide, 20% Carbon Monoxide, Balance Nitrogen Batch Analyzed Mixture, Size 150 High Pressure Aluminum, CGA 350 2% Hydrogen, 20% Carbon Dioxide, 20% Carbon Monoxide, Balance Nitrogen Batch Analyzed Mixture, Size 150 High Pressure Aluminum, CGA 350

SDS

2% Hydrogen, 20% Carbon Dioxide, 20% Carbon Monoxide, Balance Nitrogen Batch Analyzed Mixture, Size 150 High Pressure Aluminum, CGA 350

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Airgas Part #:X04NI58B15A5239

25PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 12% Oxygen, 85.49% Nitrogen, Certified Reference Material, 116 Liter Portable Disposable Aluminum Cylinder N/A

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25PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 12% Oxygen, 85.49% Nitrogen, Certified Reference Material, 116 Liter Portable Disposable Aluminum Cylinder N/A 25PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 12% Oxygen, 85.49% Nitrogen, Certified Reference Material, 116 Liter Portable Disposable Aluminum Cylinder N/A

SDS

25PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 12% Oxygen, 85.49% Nitrogen, Certified Reference Material, 116 Liter Portable Disposable Aluminum Cylinder N/A

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Airgas Part #:X05NI85CP161FJ0

10PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen Certified Reference Material, 116 Liter Portable Disposable Aluminum Cylinder, CGA C10

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10PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen Certified Reference Material, 116 Liter Portable Disposable Aluminum Cylinder, CGA C10 10PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen Certified Reference Material, 116 Liter Portable Disposable Aluminum Cylinder, CGA C10

SDS

10PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen Certified Reference Material, 116 Liter Portable Disposable Aluminum Cylinder, CGA C10

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Airgas Part #:X05NI79CP160000

25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen Certified Reference Material, 10 Liter Portable Disposable Aluminum Cylinder, CGA AERO

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25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen Certified Reference Material, 10 Liter Portable Disposable Aluminum Cylinder, CGA AERO 25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen Certified Reference Material, 10 Liter Portable Disposable Aluminum Cylinder, CGA AERO

SDS

25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen Certified Reference Material, 10 Liter Portable Disposable Aluminum Cylinder, CGA AERO

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Airgas Part #:X05NI79CP114BQ4