Chwilio Deddfwriaeth

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The Chemicals (Hazard Information and Packaging for Supply) Regulations 2009

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Dyma’r fersiwn wreiddiol (fel y’i gwnaed yn wreiddiol).

The aquatic environment

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1.  The concentration limits fixed in the following tables, expressed as a weight/weight percentage, determine the classification of the preparation in relation to the individual concentration of the substances present whose classification is also shown.

  • Table 1a
    Acute aquatic toxicity and long-term adverse effects
    Classification of the substanceClassification of the preparation

    N, R50-53

    N, R51-53

    R52-53

    N,R50-53

    see Table 1b

    N, R51-53

    See Table 1b

    Cn ≥25%

    R52-53

    see Table 1b

    2.5%≤ Cn <25%

    Cn≥25%

  • For preparations containing a substance classified with N, R50-53, the concentration limits and the resulting classification given in Table 1b are applicable.

  • Table 1b
    Acute acquatic toxicity and long-term adverse effects of substance very toxic to the aquatic environment
    LG50 or EC50 value (“L(E)C50”) of substance classified as N, R50-53 (mg/l)Classification of the preparation
    N, R50-53 N,R51-53R52-53
    0.1 <L(E)C50 ≤1Cn ≥ 25%2.5% ≤ Cn <25%0.25% ≤ Cn <2.5%
    0.01 <L(E)C50 ≤0.1Cn ≥ 2.5%0.25% ≤ Cn <2.5%0.025% ≤ C*subn; <0.25%
    0.001 <L(E)C50 ≤0.01Cn ≥ 0.25%0.025% ≤ Cn <0.25%0.0025% ≤ Cn <0.025%
    0.0001 <L(E)C50 ≤0.001Cn ≥ 0.025%0.0025% ≤ Cn <0.025%0.00025% ≤ Cn <0.0025%
    0.00001 <L(E)C50 ≤0.0001Cn ≥ 0.0025%0.00025% ≤ Cn <0.0025%0.000025% ≤ Cn <0.00025%

  • For preparations containing substances with a lower LC50 or EC50 value than 0.00001 mg/l, the corresponding concentration limits are calculated accordingly (in factor 10 intervals).

  • Table 2
    Acute aquatic toxicity
    LC50 or EC50 value (“L(E)C50”) of substance classified either as N, R50 or as N, R50-53 (mg/l)Classification of the preparation N, R50
    0.1 L(E)C50 ≤1Cn≥ 25%
    0.01 L(E)C50 ≤0.1Cn≥ 2.5%
    0.001 L(E)C50 ≤0.01Cn≥ 0.25%
    0.0001 L(E)C50 ≤0.001Cn≥ 0.025%
    0.00001 L(E)C50 ≤0.0001Cn≥ 0.0025%

  • For preparations containing substances with a lower LC50 or EC50 value than 0.00001 mg/l, the corresponding concentration limits are calculated accordingly (in factor 10 intervals).

  • Table 3
    Aquatic toxicity
    Classification of the substanceClassification of the preparation R52
    R52Cn ≥25%
  • Table 4
    Long-term adverse effects
    Classification of the substanceClassification of the preparation R53
    R53Cn ≥25%
    N, R50-53Cn ≥25%
    N, R51-53Cn ≥25%
    R52-53Cn ≥25%

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