GB 31572-2015 Emission standard of pollutants for synthetic resin industry

HJ 667-2013 HJ 667-2013 Water quality determination of total nitrogen: Continuous flow-Naphthalene-2,3-dichloronaphthalene spectrophotometric method HJ 668-2013 Water quality determination of total nitrogen by flow injection-Naphthalene-2,3-dicarboximide spectrophotometry HJ 670-2013 Water quality: Determination of Phosphorus and Total Phosphorus by Continuous Flow-Ammonium Molybdate Spectrophotometry HJ 671-2013 Water quality determination of phosphate and total phosphorus by flow injection-ammonium molybdate spectrophotometry HJ 675-2013 Determination of nitrogen oxide emissions from stationary sources using acid-base titration method HJ 676-2013 Water quality: Determination of phenolic compounds by liquid-liquid extraction/gas chromatography HJ 686-2014 Water quality determination of volatile organic compounds using purge and trap gas chromatography HJ688-2019 Determination of Fluoride in Ambient Air from Fixed Pollution Sources by Ion Chromatography HJ 688-2013 Determination of Fluoride in Emission Gases from Fixed Pollutant Sources by Ion Chromatography (Provisional) HJ 692-2014 The determination of nitrogen oxides from fixed pollutant sources using non-dispersive infrared absorption method HJ 693-2014 The determination of nitrogen oxides in fixed pollution sources using potentiometric electrolysis method HJ 694-2014 Water quality determination of mercury, arsenic, selenium, bismuth, and antimony by atomic fluorescence method HJ 700-2014 Water quality determination of 65 elements using inductively coupled plasma mass spectrometry HJ732-2014 Sampling of volatile organic compounds from fixed pollution sources using gas bags HJ733-2014 Leakage and open surface discharge volatile organic compound detection technology guidelines HJ734-2014 The determination of volatile organic compounds in fixed pollution sources using solid-phase adsorption-thermal desorption gas chromatography-mass spectrometry HJ 77.2-2008 Determination of dioxins in ambient air and waste gas using isotope dilution high-resolution gas chromatography-high-resolution mass spectrometry HJ/T 132-2003 Determination of Chemical Oxygen Demand in High Chlorine Wastewater using Potassium Iodide and Bismuthite/Potassium Permanganate Method HJ/T 195-2005 Water quality determination of ammonia nitrogen using gas phase molecular absorption spectrometry HJ/T 27-1999 The determination of hydrochloric acid in the exhaust air of fixed pollution sources by mercuric thiocyanate spectrophotometry (HJ/T 27-1999) HJ/T 31-1999 The determination of carbon monoxide in fixed pollution sources using UV spectrophotometry for aniline HJ/T 32-1999 Stationary source emission—Determination of phenols—4-Amino-antipyrine spectrophotometric method HJ/T 35-1999 Determination of acetaldehyde in exhaust gas from fixed pollution sources by gas chromatography HJ/T 37-1999 Stationary source emission—Determination of acrylonitrile—Gas chromatography HJ/T 373-2007 Quality assurance and quality control technical specifications for fixed pollution sources monitoring (trial) HJ 38-2017 HJ 38-2017 Determination of Total Hydrocarbon, Methane and Non-Methane Hydrocarbons in Gaseous Pollutants from Fixed Source by Gas Chromatography HJ/T 38-1999 Determination of non-methane volatile organic compounds in fixed pollutant sources: gas chromatography method HJ/T 39-1999 Determination of Chlorobenzenes in Emission from Fixed Pollutant Sources by Gas Chromatography (GC) Method HJ/T 397-2007 Fixed source exhaust gas monitoring technical specifications HJ/T 399-2007 Quickly determining the chemical oxygen demand of water using spectrophotometry HJ/T 42-1999 HJ/T 42-1999 Determination of nitrogen oxides in exhaust gas from stationary sources by UV spectrophotometry HJ/T 43-1999 The determination of nitrogen oxides in exhaust gas from fixed pollution sources using naphthalene-ethylene diamine hydrochloride spectrophotometry HJ/T 55-2000 Non-Organized Emissions Monitoring Technical Guidelines for Atmospheric Pollutants HJ/T 56-2000 The determination of sulfur dioxide in fixed pollution sources using iodometric method HJ 57-2017 The determination of sulfur dioxide in fixed pollution source waste gas using potentiometric electrolysis HJ/T 57-2000 The determination of sulfur dioxide in fixed pollution sources using electropolytic method HJ/T 66-2001 Determination of chlorophenol compounds in atmospheric fixed pollution sources by gas chromatography HJ/T 67-2001 Determination of Fluorides in Atmospheric Stationary Sources by Ion Selective Electrode Method HJ/T 70-2001 The determination of chemical oxygen demand in high-chlorine wastewater using chlorine calibration method HJ/T 73-2001 Water quality-Determination of Acrylonitrile-Gas chromatography HJ/T 74-2001 Water quality determination of chlorobenzenes by gas chromatography HJ/T 75-2007 Continuous Monitoring Technical Specification for Emission of Flue Gases from Fixed Source (Trial Version) HJ 75-2017 HJ 75-2017 Specification for Continuous Monitoring of Emissions of Fixed Source Flue Gas (SO2, NOx, Particulate Matter) HJ/T 75-2001 Flue gas emission continuous monitoring technical specifications for coal-fired power plants HJ/T 76-2007 Technical requirements and testing methods for continuous monitoring system of smoke gas emissions from fixed pollution sources (trial version) HJ 76-2017 The technical requirements and testing methods for continuous monitoring systems for pollutant emissions from fixed sources (SO2, NOx, particulate matter) HJ/T 76-2001 Fixed pollutant emission continuous monitoring system technical requirements and testing methods HJ/T 83-2001 Water quality: Determination of adsorbable organic halogens (AOX) by ion chromatography HJ/T 91-2002 Surface Water and Wastewater Monitoring Technical Specification HJ 91.1-2019 Sewage monitoring technical specifications HJ 91.2-2022 Surface Water Environmental Quality Monitoring Technical Specification