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  • 技術共享
    Fishery water quality standards mg / L
    〖 12/20,2013 | onclick 1239 〗
    Item number Project Standard values
    1 Color, smell, taste Shall make fish, shrimp, shellfish, algae with color, smell, odor
    2 Floating material Water may not appear significant film or scum
    3 Suspended material Artificially increase the amount shall not exceed 10, and suspended material is deposited on the bottom of the post, may not cause harmful effects on fish, shrimp, shellfish
    4 pH value Freshwater 6.5 to 8.5, 7.0 to 8.5 water
    5 DO Continuous 24h in, 16h or more must be greater than 5, any remaining time shall not be less than 3, the habitat for salmonids icy waters of rest in no case be less than 4
    6 BOD (5 days, 20 ℃) No more than 5, the frozen period not exceeding three
    7 Total coliforms Not more than 5,000 / L (shellfish water quality is not more than 500 / L)
    8 Mercury ≤ 0.0005
    9 Cadmium ≤ 0.005
    10 Lead ≤ 0.05
    11 Chrome ≤ 0.1
    12 Copper ≤ 0.01
    13 Zinc ≤ 0.1
    14 Nickel ≤ 0.05
    15 Arsenic ≤ 0.05
    16 Cyanide ≤ 0.005
    17 Sulfide ≤ 0.2
    18 Fluoride (F-meter) ≤ 1
    19 Non-ionic ammonia ≤ 0.02
    20 Kjeldahl nitrogen ≤ 0.05
    21 Volatile phenols ≤ 0.005
    22 Phosphorus ≤ 0.001
    23 Petroleum ≤ 0.05
    24 Acrylonitrile ≤ 0.5
    25 Acrolein ≤ 0.02
    26 BHC (C body) ≤ 0.002
    27 DDT ≤ 0.001
    28 Malathion ≤ 0.005
    29 Sodium pentachlorophenol ≤ 0.01
    30 Dimethoate ≤ 0.1
    31 Methamidophos ≤ 1
    32 Methyl parathion ≤ 0.0005
    33 Carbofuran ≤ 0.01
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