NY/T 391-2021
Environmental quality of green food production areas (English Version)

Standard No.

NY/T 391-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

Professional Standard - Agriculture

Latest

NY/T 391-2021

Replace

NY/T 391-2013

Scope

This document stipulates the terms and definitions of green food origins, basic requirements for the ecological environment of origins, isolation and protection requirements, general requirements for environmental quality of origins, and requirements for environmental sustainable development.

NY/T 391-2021 Referenced Document

• GB/T 118 Taper pins with internal thread
• GB/T 1274 Chemical reagent—Potassium dihydrogen phosphate
• GB/T 5750.4 Standard Examination Methods for Drinking Water Part 4: Sensory Properties and Physical Indexes*， 2023-03-17 Update
• GB/T 5750.5 Standard Examination Methods for Drinking Water Part 5: Inorganic Non-metallic Indicators*， 2023-03-17 Update
• GB/T 5750.6 Standard Examination Methods for Drinking Water Part 6: Metal and Metalloid Indicators*， 2023-03-17 Update
• GB/T 5750.7 Standard Examination Methods for Drinking Water Part 7: Comprehensive Index of Organic Matter*， 2023-03-17 Update
• GB/T 7467 Water quality--Determination of chromium(6)--1.5 Diphenylcarbahydrazide spectrophotometric method
• GB/T 7484 Water quality--Determination of fluoride--Ion selective electrode method
• HJ 1147 Electrode Method for Determination of pH Value of Water Quality
• HJ 479 Determination of nitrogen oxides (nitrogen monoxide and nitrogen dioxide) in ambient air Spectrophotometric method of naphthalene ethylenediamine hydrochloride "No. 1 Amendment"
• HJ 482 Determination of sulfur dioxide in ambient air Formaldehyde absorption-pararosaniline spectrophotometric method "No. 1 Amendment"
• HJ 491 Determination of copper, zinc, lead, nickel, chromium in soils and sediments by flame atomic absorption spectrophotometry
• HJ 503 Water quality.Determination of volatile phenolic compounds.4-AAP spectrophotometric method
• HJ 505 Water quality.Determination of biochemical oxygen demand after 5 days(BOD)for dilution and seeding method
• HJ 533 Ambient air exhaust gas.Determination of ammonia.Nessler's reagent spetcrophotometry
• HJ 536 Water quality.Determination of ammonia nitrogen.Salicylic acid spectrophotometry
• HJ 694 Water Quality-Determination of Mercury，Arsenic，Selenium，Bismuth and Antimony -Atomic Fluorescence Spectrometry
• HJ 700 Water quality.Determination of 65 elements.Inductively coupled plasma-mass spectrometry
• HJ 717 Soil quality.Determination of total nitrogen.Modified Kjeldahl method
• HJ 828 Water quality-Determination of the chemical oxygen demand-Dichromate method
• HJ 870 Stationary source emission - Determination of carbon dioxide - Non-dispersive infrared absorption method
• HJ 955 Determination of fluoride in ambient air by fluoride ion selective electrode method for filter membrane sampling
• HJ 970 Water Quality Determination of Petroleum by UV Spectrophotometry (Trial)
• LY/T 1232 Determination of total phosphorus in forest soil
• LY/T 1234 Determination of Potassium in Forest Soil
• NY/T 1121.6 Soil Testing Part 6:Method for determination of soil organic matter
• NY/T 1377 Determination of pH in Soil
• SL 355 Water quality.Determination of multi-tube zymotechnique fecal coliform group

NY/T 391-2021 history

• 2021 NY/T 391-2021 Environmental quality of green food production areas
• 2013 NY/T 391-2013 Green food.Environmental quality for production area
• 2000 NY/T 391-2000 Green food.Technical conditions for environmental of area

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