HJ 871-2017 (English Version) PDF

Scope: This standard specifies the determination of chlorine, carbon monoxide, hydrogen sulfide, hydrogen chloride, hydrogen cyanide, phosgene, hydrogen fluoride, ammonia, formaldehyde, styrene, arsine, ozone, sulfur dioxide, nitrogen oxides, benzene and toluene in ambient air. Comparative length detection tube method for 16 harmful gases. This standard is a qualitative and semi-quantitative method, applicable to chlorine, carbon monoxide, hydrogen sulfide, hydrogen chloride, hydrogen cyanide, phosgene, hydrogen fluoride, ammonia, formaldehyde, styrene, arsine, ozone, sulfur dioxide, nitrogen oxides in ambient air On-site emergency monitoring of harmful gases such as benzene and toluene, as well as preliminary investigation work such as screening and census. See Appendix A for common measurement ranges of target objects.

HJ 871-2017 Referenced Document

GB/T 7230 Gas detector tube measurement system
HJ 589 Technical specification for emergency monitoring of environmental emergencies*， 2021-12-16 Update

2017 HJ 871-2017 Ambient air - Determination of chlorine and other hazardous air pollutants in emergency monitoring - Length detector tube method