Toxicological Evaluation and Limit Values for Nonylphenol, Nonylphenol Ethoxylates, Tricresyl, Phosphates and Benzoic Acid 9. Quality criteria9. C-value 9.1 Quality criteria in soil o-TCP A limit value of 15 mg/kg has been calculated for o-TCP based on children’s ingestion of soil. A quality criterion of 15 mg/kg soil is proposed. TCP containing less than 0.1% o-TCP A limit value of 350 mg/kg has been calculated for TCP containing less than 0.1% o-TCP based on children’s ingestion of soil. A quality criterion of 350 mg/kg soil is proposed. Quality criteria 15 mg/kg soil for o-TCP. 350 mg/kg soil for TCP containing less than 0.1% o-TCP. 9.2 Quality criteria in drinking water o-TCP A limit value of 11 mg/l has been calculated for o-TCP based on intake of drinking water. A quality criterion of 10 mg/l is proposed. TCP containing less than 0.1% o-TCP A limit value of 250 mg/l has been calculated for TCP containing less than 0.1% o-TCP based on intake of drinking water. A quality criterion of 250 mg/l is proposed. The limit value of 10 µg/l for AOX should also be observed. Quality criterion 10 mg/l for o-TCP. 250 µg/l calculated for TCP containing less than 0.1% o-TCP and 10 µg/l for AOX.
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