Guidelines for Canadian Drinking Water Quality: Guideline Technical Document – Bromoxynil
Table of Contents
The maximum acceptable concentration (MAC) for bromoxynil in drinking water is 0.005 mg/L (5 µg/L).
Identity, Use and Sources in the Environment
Analytical Methods and Treatment Technology
No information has been found on the effectiveness of current treatment technologies in removing bromoxynil from drinking water.
- 0.5 mg/kg bw per day is the NOAEL in an unpublished two-year rat feeding/oncogenicity studyFootnote 10
- 1000 is the uncertainty factor.
An maximum acceptable concentration (MAC) for bromoxynil in drinking water was derived from the NDI as follows:
- 0.0005 mg/kg per day is the NDI, as derived above
- 70 kg is the average body weight of an adult
- 0.20 is the proportion of total daily intake of bromoxynil allocated to drinking water (theoretical maximum food intake is 16% of the NDI)
- 1.5 L/d is the average daily consumption of drinking water for an adult.
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