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Table 8.13: Organochlorine toxicity and half-lives.
| Organochlorine pesticide | Acute toxicity to rats (LD-50) (mg/kg) | Toxicity to fish (rainbow trout) (µg/l) | Half-life (time needed for 50% decay) | |
|---|---|---|---|---|
| On the surface | In the soil | |||
| Aldrin | 67 | 2.6 | 1-18 days | 5 years |
| Chlordane | 250 | 42 | 27-72 days | 5.7-10.6 years |
| DDT | 250-300 | 8 | 1 year | 10.5 years |
| Dieldrin | 40-87 | 1.2 | 2-26 days | 2.2-11.4 years |
| Lindane | 88-125 | 30 | 1-5 days | 0.5-2 years |
Source: Bingham (1992)
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