GB/T 19525-2026 Technical specification for environmental quality evaluation of livestock and poultry breeding

GB/T 19525.2-2004 Criteria for evaluating the environmental quality of the livestock and poultry farm

GB 5084-1992 Standards for irrigation water quality GB 5084-2005 Standards for irrigation water quality GB/T 5750.4-2006 Standard examination methods for drinking water—Organoleptic and physical parameters GB/T 5750.4-2023 Standard examination methods for drinking water—Part 4:Organoleptic and physical indices GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 11742-1989 Standard method for hygienic examination of hydrogen sulfide in air of residential areas—Methylene blue spectrophotometric method GB/T 11893-1989 Water quality—Determination of total phosphorus— Ammonium molybdate spectrophotometric method GB/T 11901-1989 Water quality—Determination of suspended substance—Gravimetric method GB/T 15432-1995 Ambient air—Determination of total suspended particulates—Gravimetric method GB/T 18204.1-2000 Methods of microbiological examination for air in public places—Determination of aerobic bacterial count GB/T 18204.1-2013 Examination methods for public places—Part 1:Physical parameters GB/T 18204.1-2025 Examination methods for public places—Part 1:Physical indicators GB/T 18204.3-2000 Methods of microbiological examination for tea set in public places—Determination of Coliform bacteria GB/T 18204.3-2013 Examination methods for public places—Part 3:Airborne microorganism GB/T 18204.3-2025 Examination methods for public places—Part 3:Airborne microorganism indicators GB 18596 GB/T 19524.2-2004 Determination of mortality of ascarid egg in fertilizers GB/T 23349-2009 Ecological index of arsenic,cadmium,lead,chromium and mercury for fertilizers GB/T 23349-2020 Determination of arsenic,cadmium,chromium,lead and mercury contents for fertilizers GB/T 27522-2011 Technical specifications for waste water sampling of livestock and poultry farm GB/T 27522-2023 Technical specification for monitoring sewage from livestock and poultry farm GB/T 40750-2021 Biogas slurry for agricultural use HJ/T 51-1999 Water quality—Determination of total salt—Gravimetric method HJ 347.2-2018 Water quality: Determination of fecal coliform group using multiple-tube fermentation method HJ/T 399-2007 Quickly determining the chemical oxygen demand of water using spectrophotometry HJ 533-2009 The determination of ammonia in air and exhaust gas using Nessler's reagent spectrophotometry HJ 537-2009 Determination of Ammonia Nitrogen in Water - Distillation-Neutralization Titration MethodHJ 537-2009 Water Quality HJ 618-2011 The determination of PM10 and PM2.5 in ambient air by weight 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 HJ775-2015 Water quality determination of Ascaris lumbricoides eggs by sedimentation method HJ 908-2017 Water quality: Determination of hexavalent chromium by flow injection-diphenylcarbazide spectrophotometry HJ 1262-2022 Environmental air and waste gas: Determination of odour using a three-point comparison odour bag method NY/T 388-1999 Environmental quality standard for the livestock and poultry farm