The largest emissions of Formaldehyde are associated with its manufacture and subsequent use, natural emissions are lower. This tube is used for active (pumped) sampling over a few hours to identify levels of Formaldehyde and other Aldehydes. Concentrations can be measured in the low parts per billion (ppb) ...
By Ormantine USA Ltd., Inc. based in Palm Bay, FLORIDA (USA). from Ormantine Environmental Monitoring - Gas/Vapor Sampling Tubes Product line
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