Medical Gases – Selected Air Quality Specifications

Trace Analytics, LLC specializes in the analysis of thousands of compressed air & gas samples each year. Many of our customers have established their own criteria by monitoring the performance of the system over a given time period, reviewing literature/specifications, evaluating equipment parameters, and determining company objectives. Whether you are establishing a management plan or testing to comply with a given specification, our knowledgeable staff will be glad to assist you.

Our scientifically designed compressed air testing kits make collection a simple task. Keep the small, portable kit, and return the lightweight sample via the shipping method of your choice.

Selected Air Quality Specifications for Medical Gases are shown below. If the specification you need is not shown, please Contact Us. We have many more air & gas specifications in our database. If you need a custom specification, Contact Us with your requirements.

Medical Gases - Selected Air Quality Specifications

NFPA 99 Sections(s)DescriptionTest GasSampling MediaConcentration Limits for NFPA 99 Parameters (See Definitions Below)
Dew Point °FO2
vol %
vol %
vol %
Oil + Part.
mg/m3 Air Purity TestAirSB25 (T)21050015443519.5-23.5N/AN/AN/AN/A Air Purity Test
& CGA G-7.1 Grade D
AirSB + F25 (T)21050015443519.5-23.5N/AN/AN/A5 Gas Concentration TestAirSBN/AN/AN/AN/AN/AN/A19.5-23.5N/AN/AN/AN/A Gas Concentration TestN2SBN/AN/AN/AN/AN/AN/A≤ 1≥ 99N/AN/AN/A Gas Concentration TestN2OSBN/AN/AN/AN/AN/AN/AN/AN/A≥ 99N/AN/A Gas Concentration TestO2SBN/AN/AN/AN/AN/AN/A≥ 99N/AN/AN/AN/A
Piping Particulate Test (O)N2FN/AN/AN/AN/AN/AN/AN/AN/AN/AN/A1 Purity TestAirSB± 5 (H)± 5 (H)N/AN/A50010N/AN/AN/AN/AN/A Purity TestN2SB± 5 (H)± 5 (H)N/AN/A50010N/AN/AN/AN/AN/A Purity TestN2OSB± 5 (H)± 5 (H)N/AN/A50010N/AN/AN/AN/AN/A Purity TestO2SB± 5 (H)± 5 (H)N/AN/A50010N/AN/AN/AN/AN/A
N/AUSP Medical Air-2011 (M1)AirSB + F + DT2N/AN/A10500N/AN/A19.5-23.5N/AN/A5 / 2.5N/A
Sampling Media: SB = Source BottleF = FilterDT = Water Vapor Detector TubeDT2 = SO2 and NOx Detector Tubes
THC = Total Gaseous Hydrocarbons, ppmvCO2 = Carbon Dioxide, ppmvO2 = Oxygen, volume %Oil = Oil Mist & Particulate, mg/m3
CO = Carbon Monoxide, ppmvH2O = Water, ppmvHH = Halogenated HydrocarbonsN2 = Nitrogen, volume %
CH4 = Methane, ppmvSO2 / NOX = Sulfur Dioxide / Nitric Oxide & Nitrogen DioxideDP = Dew Point, °F at 50 psig
(T)Includes Methane
Air & Gas Specifications referenced above may be viewed and/or purchased from: NFPA - National Fire Protection AssociationUSP - U.S. Pharmacopeial Convention