Single sorbent, no back-up layer according to osha 20 procedure; glass-sealed ends; 2 niosh-approved sealing caps; precision lockspring; sorbent coated w/sulfuric acid; time-weighted average (twa) 0.1 ppm; twa volume 20 liters; twa rate 100 ml; twa time 3.3 hours; method of analysis: high pressure liquid chromatography, infrared or other spectrophotometric methods or colorimeter; used w/sorbent tube holder type b, p/n 222-3l-1a
An item designed to be used in conjunction with an electric or manual handheld aspiration pump so as to draw and trap surrounding air vapors. The tube must be chromatographically analyzed, after use, in a laboratory. It does not have an integral indicator or produce colorimetric/color comparative results. It is preferably used in accordance with analytical methods published by the national institute of occupational safty and health administration, environment protection agency, department of health and human services, and/or the environmental protection agency.
Classification: Other instruments and appliances used in medical, surgical, dental or veterinary sciences, nesoi
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NSN 5999-01-425-8440
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NSN 5935-01-025-2332
NSN 5935-01-338-9309