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Niveau de gravité
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Severity level, английский
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Sewage, английский
- Any liquid-borne waste, containing animal or vegetable matter in suspension or solution; may include liquids containing chemicals in solution; ground, surface, or storm water may become mixed with it as it is admitted into or passes through the sewers.
- Неочищенные сточные воды; бытовые сточные воды
Severity level, английский
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