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EC number: 200-756-3
CAS number: 71-55-6
The distribution model predicts
that concentrations in soil and sediments will be extremely low (<0.01%
of total releases to the environment). Toxicity to aerobic and anaerobic
bacteria has already been addressed in previous summaries and it is
evident that under the correct conditions bacteria are capable of
degrading 1,1,1-trichloroethane by a number of different routes. Studies
on the effects on macroorganisms are limited to earthworm which is not
sensitive to 1,1,1-trichloroethane. Similarly protozoa also appear to be
In view of the very low levels
expected to reach this environmental compartment the opinion of experts
in this area is that this compartment can be discounted for risk
assessment purposes. The applicant supports this view.
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