NY 527-2002 Inoculant of photosynthetic bacteria

NY 227-1994 Microbial fertilizer NY 411-2000 Azotobacter fertilizer NY 413-2000 Silicate bacteria fertilizer GB/T 1250-1989 Rules for expression and judgement of limiting values GB/T 4789.3-2003 Microbiological examination of food hygiene—Detection of Coliform bacteria GB/T 4789.3-2008 Microbiological examination of food hygiene—Enumeration of coliforms GB 4789.3-2010 National food safety standard Food microbiological examination:Enumeration of coliforms GB 4789.3-2016 Food Safety National Standards Microbial Test: Count of Escherichia Coli Group GB 7959-1987 Sanitary standard for the non-hazardous treatment of night soil GB 7959-2012 Hygienic requirements for harmless disposal of night soil 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 14539.2-1993 Determination of arsenic element content for compound fertilizers GB/T 14539.3-1993 Determination of cadmium element content for compound fertilizers GB/T 14539.4-1993 Determination of lead element content for compound fertilizers GB/T 15555.1-1995 Solid waste—Determination of total mercury—Cold atomic absorption spectrometry GB/T 15555.5-1995 Solid waste—Determination of total chromium—1,5-Diphenylcarbohydrazide spectrophotometric method GB 4789.3-2025 Food Safety National Standards Microbial Test for Food Escherichia coli Counting