This standard established to implement "environmental protection law", "law of water pollution prevention", "marine environment protection law" and "fishery law" normal growth of the People's Republic of China, to prevent and control water quality pollution in the fishing zone and to ensure normal growth, reproduce of tortoises, shrimps, shellfish and the alga and the quality of aquatic products.
1 Content and Application Scope
This standard is applicable to seawater or fresh water fisheries areas, such as spawning ground, feeding grounds, wintering grounds, migration pathway and enhancement and aquaculture centers.
2 Normative References
GB 5750 Standard examination methods for drinking water
GB 6920 Water quality; Determination of pH value; Glass electrode method
GB 7467 Water Quality; Determination of Chromium (6); 1.5 Diphenylcarbahydrazide Spectrophotometric Method
GB 7468 Water quality; Determination of total mercury; Cold atomic absorption spectrophotometry
GB 7469 Water quality-Determination of total mercurypotassium
GB 7470 Water quality; Determination of lead; Spectrophotometric method with dithizone
GB 7471 Water quality; Determination of cadmium; Spectrophotometric method with dithizone
GB 7472 Water quality; Determination of zinc; Spectrophotometric method with dithizone
GB 7474 Water quality; Determination of copper; Sodium diethyldithiocarbamate spectrophotometric method
GB 7475 Water quality; Determination of copper, zinc, lead and cadmium; Atomic absorption spectrometry
GB 7479 Water quality; Determination of ammonium-Nessler
GB 7481 Water quality; Determination of ammonium; Spectrophotometric method with salicylic acid
GB 7482 Water quality; Determination of fluoride; Visual colorimetry with zirconium alizarinsulfonate
GB 7484 Water quality; Determination of fluoride; Ion selective electrode method
GB 7485-85 "Water Quality; Determination of Total Arsenic; Silver Diethyldithiocarbamate Spectrophotometric Method"
GB 7486 Water quality; Determination of cyanide; Part 1: Determination of total cyanide
GB 7488 Water quality; Determination of biochemical oxygen demand after 5 days (BOD5); Dilution and seeding method
GB 7489 Water quality; Determination of dissolved oxygen; Iodometric method
GB 7490 Water quality; Determination of volatile phenolic compounds; After distillation by means of 4-AAP spectrophotometric method
GB 7492 Water quality; Determination of BHC and DDT; Gas chromatography
GB 8972 Water quality-Determination of pentachlorophenol-Gas chromatography
GB 9803 Water quality-Determination of pentachlorophenol by safranine-T spectrophotometric method
GB 11891 Water quality-Determination of Kjeldahl nitrogen
GB 11901 Water quality-Determination of suspended substance-Gravimetric method
GB 11910 "Water Quality-Determination of Nickel-Dimethylglyoxime Spectrophotometric Method"
GB 11911 Water quality-Determination of iron and manganese-Flame atomic absorption spectrometric method
GB 11912 Water Quality-Determination of Nickel-Flame Atomic Absorption Spectrometric Method
3 Water Quality Requirements for Fisheries
3.1 Water quality of the fisheries area shall conform to provisions in Water quality standard for fisheries (see Table 1).
