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Mixed Gases

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

180PPM Nitirc Oxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 660

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180PPM Nitirc Oxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 660 180PPM Nitirc Oxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 660

SDS

180PPM Nitirc Oxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 660

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Airgas Part #:X02NI99C15A1243

900PPM Carbon Monoxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 350

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900PPM Carbon Monoxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 350 900PPM Carbon Monoxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 350

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900PPM Carbon Monoxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 350

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Airgas Part #:X02NI99C15A1568

15% Sulfur Dioxide, Balance Nitrogen Certified Reference Material, Size 80 High Pressure Aluminum Cylinder, CGA 660

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15% Sulfur Dioxide, Balance Nitrogen Certified Reference Material, Size 80 High Pressure Aluminum Cylinder, CGA 660 15% Sulfur Dioxide, Balance Nitrogen Certified Reference Material, Size 80 High Pressure Aluminum Cylinder, CGA 660

SDS

15% Sulfur Dioxide, Balance Nitrogen Certified Reference Material, Size 80 High Pressure Aluminum Cylinder, CGA 660

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Airgas Part #:X02NI85C80A0001

18% Oxygen, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590

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18% Oxygen, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590 18% Oxygen, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590

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18% Oxygen, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590

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Airgas Part #:X02NI82C15A8086

5% Helium, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

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5% Helium, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580 5% Helium, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

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5% Helium, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

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Airgas Part #:X02NI95C3005709

40PPM Sulfur Dioxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 660

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40PPM Sulfur Dioxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 660 40PPM Sulfur Dioxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 660

SDS

40PPM Sulfur Dioxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 660

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Airgas Part #:X02NI99C15A2021

5% Carbon Dioxide, 10% Hydrogen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 350

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5% Carbon Dioxide, 10% Hydrogen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 350

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5% Carbon Dioxide, 10% Hydrogen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 350

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Airgas Part #:X03NI85C2003061

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

450PPM Carbon Monoxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 350

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450PPM Carbon Monoxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 350 450PPM Carbon Monoxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 350

SDS

450PPM Carbon Monoxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 350

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Airgas Part #:X02NI99C15A1569

7% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 580

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7% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 580

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7% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 580

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Airgas Part #:X02NI93C2001169

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

0.03% Hexane, 0.1% Isopentane, 0.1% N Pentane, 0.1% Neopentane, 0.3% Isobutane, 0.3% N Butane, 1% Propane, 1% Carbon Dioxide, 2.5% Nitrogen, 5% Ethane, Balance Methane Certified Reference Material, 5 Gallon Low Pressure Steel Cylinder, CGA 510

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0.03% Hexane, 0.1% Isopentane, 0.1% N Pentane, 0.1% Neopentane, 0.3% Isobutane, 0.3% N Butane, 1% Propane, 1% Carbon Dioxide, 2.5% Nitrogen, 5% Ethane, Balance Methane Certified Reference Material, 5 Gallon Low Pressure Steel Cylinder, CGA 510 0.03% Hexane, 0.1% Isopentane, 0.1% N Pentane, 0.1% Neopentane, 0.3% Isobutane, 0.3% N Butane, 1% Propane, 1% Carbon Dioxide, 2.5% Nitrogen, 5% Ethane, Balance Methane Certified Reference Material, 5 Gallon Low Pressure Steel Cylinder, CGA 510

SDS

0.03% Hexane, 0.1% Isopentane, 0.1% N Pentane, 0.1% Neopentane, 0.3% Isobutane, 0.3% N Butane, 1% Propane, 1% Carbon Dioxide, 2.5% Nitrogen, 5% Ethane, Balance Methane Certified Reference Material, 5 Gallon Low Pressure Steel Cylinder, CGA 510

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Airgas Part #:X11ME89CLP50106

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

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

SDS

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

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Airgas Part #:X02NI99C15A0308

21% Oxygen, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 590

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21% Oxygen, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 590 21% Oxygen, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 590

SDS

21% Oxygen, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 590

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Airgas Part #:X02NI79C3006271

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

5% Oxygen, 5% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

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5% Oxygen, 5% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580 5% Oxygen, 5% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

SDS

5% Oxygen, 5% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

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Airgas Part #:X03NI90C3001109

0.1% Hydrogen, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

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0.1% Hydrogen, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350 0.1% Hydrogen, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

SDS

0.1% Hydrogen, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

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Airgas Part #:X02NI99C3003662

25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 0.35% N Pentane, 18% Oxygen, Balance Nitrogen Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10

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25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 0.35% N Pentane, 18% Oxygen, Balance Nitrogen Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10 25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 0.35% N Pentane, 18% Oxygen, Balance Nitrogen Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10

SDS

25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 0.35% N Pentane, 18% Oxygen, Balance Nitrogen Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10

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Airgas Part #:X05NI81CA340001

4% Oxygen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 580

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4% Oxygen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 580

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4% Oxygen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 580

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Airgas Part #:X02NI96C2003095