(Target housing) may be defined in section of toxic substances.Logical formLearned from2 sentences. An (information system) may alert employers to dangers of toxic substances.Logical formLearned from2 sentences. Toxic substances may undergo a liberation.Logical formLearned from2 sentences. Regard can be to exposure to toxic substances.Logical formLearned from2 sentences. Workers may be exposed to some toxic substances.Logical formLearned from2 sentences. A standard can be for toxic substances.Logical formLearned from2 sentences. Toxic substances may assure an employee.Logical formLearned from2 sentences. (Substance exposure limits) can be toxic.Logical formLearned from2 sentences. Health of workers may be affected by exposure to toxic substances.Logical formLearned from2 sentences. A sanitary landfill can be for toxic wastes.Logical formLearned from2 sentences. Toxic effects may include damage.Logical formLearned from2 sentences. Standards may address toxic substances.Logical formLearned from2 sentences. Toxic effects can be synergistic.Logical formLearned from2 sentences. Hazardous chemicals can be toxic.Logical formLearned from2 sentences. Materials can be for toxic substances.Logical formLearned from2 sentences.