A passage may pertain-to toxic substances.Logical formLearned from4 sentences. A control can be toxic.Logical formLearned from4 sentences. A spillage can be toxic.Logical formLearned from4 sentences. Toxic effects may be reported.Logical formLearned from4 sentences. Contaminants can be toxic.Logical formLearned from4 sentences. A copper can be toxic.Logical formLearned from4 sentences. Toxic effects can be cumulative.Logical formLearned from4 sentences. (Employee exposure) can be to toxic substances.Logical formLearned from4 sentences. Milk can be toxic.Logical formLearned from4 sentences. (Phytoplankton species) can be toxic.Logical formLearned from4 sentences. A (chemical reaction) can be toxic.Logical formLearned from4 sentences. An iceberg can be toxic.Logical formLearned from4 sentences. An algae can be toxic.Logical formLearned from4 sentences. Toxic waste may undergo an importation.Logical formLearned from4 sentences. A moiety can be toxic.Logical formLearned from4 sentences.