GB/T 31270.8-2025 English PDFGB/T 31270.8: Historical versions
Basic dataStandard ID: GB/T 31270.8-2025 (GB/T31270.8-2025)Description (Translated English): Test guidelines on environmental safety assessment for chemical pesticides - Part 8: Aquatic sediment system metabolism test Sector / Industry: National Standard (Recommended) Date of Implementation: 2026-03-01 Older Standard (superseded by this standard): GB/T 31270.8-2014 GB/T 31270.8-2014: Test guidelines on environmental safety assessment for chemical pesticides -- Part 8: Degradation in water-sediment systems---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. Test guidelines on environmental safety assessment for chemical pesticides.Part 8. Degradation in water-sediment systems ICS 65.100 B13 National Standards of People's Republic of China Chemical pesticides Environmental Safety Assessment Test Guidelines Part 8. Water - sediment system degradation test pesticides-Part 8. Degradationinwater-sedimentsystems Issued on. 2014-10-10 2015-03-11 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordGB/T 31270 "chemical pesticides Environmental Safety Assessment Test Guidelines" is divided into 21 parts. --- Part 1. Soil degradation test; --- Part 2. hydrolysis test; --- Part 3. photolysis test; --- Part 4. soil adsorption/desorption experiments; --- Part 5. soil leaching; --- Part 6. volatility test; --- Part 7. Bioconcentration test; --- Part 8. Water - sediment system degradation test; --- Part 9. Birds Acute toxicity test; --- Part 10. bees acute toxicity test; --- Part 11. silkworm acute toxicity test; --- Part 12. Fish acute toxicity test; --- Part 13. Acute daphnia activity inhibition test; --- Part 14. algal growth inhibition test; --- Part 15. Earthworm acute toxicity test; --- Part 16. Soil microbial toxicity test; --- Part 17. predators Trichogramma acute toxicity test; --- Part 18. predators of amphibians acute toxicity test; --- Part 19. Effect of non-target plant test; --- Part 20. Short-term feeding livestock toxicity test; --- Part 21. Large crustaceans toxicity test. This section is GB/T Part of 831,270. This section drafted in accordance with GB/T 1.1-2009 given rules. Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents. This part of the People's Republic of China Ministry of Agriculture and focal points. This section is responsible for drafting units. the Ministry of Agriculture, Ministry of Environment, Nanjing Institute of Environmental Sciences. The main drafters of this section. Ma Xiaodong, cleft Fenghua, Lin Yan, Song Ninghui, Guozi Jing, Xu Jun, for Er Gan days. Chemical pesticides Environmental Safety Assessment Test Guidelines Part 8. Water - sediment system degradation test1 ScopeGB/T 31270 provisions of this section under aerobic and anaerobic conditions, chemical pesticides in the water - sediment system degradation materials conversion, Basic requirements condition, operations, quality control, data processing, test reports and the like. This section applies to a chemical pesticide registration carried out water - sediment degradation test systems, pesticide use other types of reference. This section does not apply to chemical pesticides in water and volatile.2 Terms and definitionsThe following terms and definitions apply to this document. 2.1 Sediment sediment Deposition in natural water and separated from the water, of a mixture of minerals and organic components constituted, wherein the components of Organic Chemistry Compound of carbon, nitrogen content and of high molecular weight contained. 2.2 Water - sediment degradation degradationinwaterandsediment Degradation of pesticides in water and sediment in. [NY/T 1667.5-2008, the definition 3.4.3.2] 2.3 The test was testsubstance Test substance to be tested. 2.4 Degradation half-life half-lifetimeofdegradation The test substance concentration was reduced to degrade the initial concentration of the time required for 1/2, with t0.5 represents. 2.5 Chemical pesticides chemicalpesticide The use of chemical synthetic pesticides. Some natural products active substances for the mother, imitation, structural transformation, Innovation made for the biomimetic synthesis pesticide. Synonyms. synthetic organic pesticides syntheticorganicpesticide. [NY/T 1667.1-2008, the definition 2.3.1] 2.6 The original drug technicalmaterial Final product active ingredients and impurities in the manufacturing process was composed not contain any visible foreign substances and additives, will May be added to a small amount of a stabilizer. [NY/T 1667.2-2008, the definition 2.5.1] ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 31270.8-2025_English be delivered?Answer: Upon your order, we will start to translate GB/T 31270.8-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 31270.8-2025_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 31270.8-2025_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 31270.8-2025?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 31270.8-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
