This standard applies to the determination of non-methane total hydrocarbons (NMHC) from organized and unorganized emissions from stationary pollution sources.
HJ/T 38-1999 history
2017HJ 38-2017 Stationary source emission--Determination of total hydrocarbons, methane and nonmethane hydrocarbons--Gas chromatography
1999HJ/T 38-1999 Stationary source emission.Determination of nonmethane hydrocarbons.Gas chromatography
HJ/T 38-1999 Stationary source emission.Determination of nonmethane hydrocarbons.Gas chromatography was changed to HJ 38-2017 Stationary source emission--Determination of total hydrocarbons, methane and nonmethane hydrocarbons--Gas chromatography.