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Wastewater Revision Date: 03-Jun-2015 Component Information Chemical Name LD50 Oral LD50 Dermal LC50 Inhalation Water > 90 mL/kg ( Rat ) Sodium hydroxide = 1350 mg/kg ( Rabbit ) Mixed cresols = 1454 mg/kg ( Rat )= 2000 mg/kg ( Rabbit ) = 242 mg/kg ( Rat ) Chronic toxicity Carcinogenicity There are no known carcinogenic chemicals in this product.
The data of heavy metals measurement in wastewater treatment effluent has been shown in Table 2 and Fig. 1. Also they are WHO, EPA, and department of environment of Iran standards about acceptable heavy metals concentration wastewater treatment effluent for agriculture fields irrigation has been shown in Table 2 [1] .
