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Calibration Gases

Calibration Gases
Calibration Gases

Environmental Safety Services the Specialty Gas Division of ESS, has been producing and distributing calibration mixtures and pure specialty gases in refillable and non-refillable cylinders. We offer a complete line of products, including pure gases to levels of 99.9999% purity, multi-component hydrocarbon mixtures, environmental, industrial hygiene, medical and special application mixes as well as compatible gas control equipment.

Our gas blending capabilities include mixtures produced gravimetrically (primary standard) with analytical accuracies to .02% absolute, as well as certified and unanalyzed mixes produced to less stringent tolerances. We can also provide NIST traceability certification.

ESS offers a complete line of specialty gas control equipment and accessories: fixed-flow, multi-flow and pressure demand regulators and calibration kits for industrial hygiene instrument calibration; a dual cylinder transport bag, and pressure-reducing regulators in brass, aluminum or stainless steel for reactive and non-reactive gas control applications.

We also supply manifolds, gas filters and fine metering valves and cylinder changeover regulators.

Our personnel know and understand the unique needs and requirements of the specialty gas customer.

Our quality program received ISO 9002 registration in January, 1996.

Our Capibilities:

Pure and Rare Gases

Acetylene, 99.6%

Air, Ultrapure, HCF, Zero

Argon, 99.998% - 99.9999%

Helium, 99.995% - 99.9999%

Hydrogen, 99.99% - 99.9999%

Krypton, 99.9985+%

Methane, 99.0% - 99.99%

Neon, 99.9988+%

NItrogen, 99.998% - 99.9999%

Oxygen, 99.99% - 99.999%

Sulfur Hexafluoride, 99.9%

Xenon, 99.9985%

Special Application Mixtures

Laser Mixes

Flame Ionization Mixes

Nuclear Counter Mixes (P-10)

Electron Capture Mixes (P-5)

Leak Detection Mixes

Boiler Efficiency Mixes

Industrial Hygiene Mixtures Non-Reactive

Carbon Dioxide in Nitrogen

Carbon Monoxide in Air

Hexane in Air or Nitrogen

HCFCs in Air or Nitrogen

Isobutylene in Air

Methane in Air

Methane, Carbon Monoxide in Air

Oxygen in Nitrogen Reactive

Ammonia in Air or Nitrogen

Chlorine in Nitrogen

Ethylene Oxide in Nitrogen

Hydrogen Sulfide Quad Mixtures

Nitric Oxide in Nitrogen

Nitrogen Dioxide in Air or


Sulfur Dioxide in Air or Nitrogen

Hydrocarbon Mixtures

Natural Gas Standards

Transformer Oil Standards

Butane Standards

Ethylene Standards

1,3 Butadiene Standards Medical Mixtures

Blood Gas Mixtures

Lung Diffusion Mixtures

Anaerobic Mixtures

Sterilant Gas Mixtures

Helium/Oxygen Mixtures

Environmental Mixtures

EPA Protocols

Carbon Dioxide in Air or Nitrogen

Carbon Monoxide in Air or Nitrogen

Nitric Oxide in Nitrogen

Sulfur Dioxide, Nitric Oxide in Nitrogen VOC Mixtures

Acetone in Nitrogen

Benzene in Nitrogen

BTEX Mixes

Carbon Tetrachloride in


MEK in Nitrogen

Styrene in Nitrogen

Toluene in Nitrogen

Xylene in Nitrogen

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