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The Chemicals (Hazard Information and Packaging for Supply) Regulations 2009
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Rhagor o Adnoddau
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PART IIIConcentration limits to be used for the evaluation of Environment Hazards
The aquatic environment
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 substance Classification 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, R51-53 R52-53 0.1 <L(E)C50 ≤1 Cn ≥ 25% 2.5% ≤ Cn <25% 0.25% ≤ Cn <2.5% 0.01 <L(E)C50 ≤0.1 Cn ≥ 2.5% 0.25% ≤ Cn <2.5% 0.025% ≤ C*subn; <0.25% 0.001 <L(E)C50 ≤0.01 Cn ≥ 0.25% 0.025% ≤ Cn <0.25% 0.0025% ≤ Cn <0.025% 0.0001 <L(E)C50 ≤0.001 Cn ≥ 0.025% 0.0025% ≤ Cn <0.025% 0.00025% ≤ Cn <0.0025% 0.00001 <L(E)C50 ≤0.0001 Cn ≥ 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 ≤1 Cn≥ 25% 0.01 L(E)C50 ≤0.1 Cn≥ 2.5% 0.001 L(E)C50 ≤0.01 Cn≥ 0.25% 0.0001 L(E)C50 ≤0.001 Cn≥ 0.025% 0.00001 L(E)C50 ≤0.0001 Cn≥ 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 substance Classification of the preparation R52 R52 Cn ≥25% Table 4
Long-term adverse effects
Classification of the substance Classification of the preparation R53 R53 Cn ≥25% N, R50-53 Cn ≥25% N, R51-53 Cn ≥25% R52-53 Cn ≥25%
The non-aquatic environment
2. The concentration limits fixed in the following table, expressed as a weight/weight percentage or, for gaseous preparations as a volume/volume percentage, determine the classification of the preparation in relation to the individual concentration of the substances present whose classification is also shown.
Table 5
Dangerous for the ozone layer
| Classification of the substance | Classification of preparation N, R59 |
|---|---|
| N with R59 | Cn ≥ 0.1% |
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