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Toxic substances shall be allocated into packing group I, II or III in accordance with the criteria given in the following Table:
Column 1 | Column 2 | Column 3 | Column 4 | Column 5 |
---|---|---|---|---|
Packing group | Oral toxicity LD50 (mg/kg) | Dermal toxicity of LD50 (mg/kg) | Inhalation toxicity of dust or mists LC50 (mg/m3) | Inhalation toxicity of vapours where V is the saturated vapour concentration produced by the substance at 20°C expressed by reference to LC50 (ppm) |
The above criteria are based on LC50 data relating to one hour exposure and where such information is available it should be used. However, where only LC50 data relating to 4 hour exposures is available, then:
| ||||
I | < 5 | < 40 | < 500 | V √ 10 ×LC50 and LC50 < 1000 |
II | > 5 to < 50 | > 40 to < 200 | > 500 to < 2000 | V √ LC50 and LC50 < 3000 but not placed in packing group I |
III |
| > 200 to < 1000 | > 2000 to < 10000 | V √ 0.2 × LC50 and LC50 < 5000 but not placed in either packing group I or II |
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