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8. The Environmental Protection Agency (EPA) recommends the minimum permissible free chlorine residual of 0.2 mg/L to 0.
Posted: Sun May 08, 2022 9:26 pm
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- 8 The Environmental Protection Agency Epa Recommends The Minimum Permissible Free Chlorine Residual Of 0 2 Mg L To 0 1 (16.21 KiB) Viewed 25 times
8. The Environmental Protection Agency (EPA) recommends the minimum permissible free chlorine residual of 0.2 mg/L to 0.5 mg/L. A 6.2 mgd water treatment plant uses 25 lb/day of chlorine for disinfection. a) If the daily chlorine demand is 0.4 mg/L, what is the daily chlorine residual? b) Is the disinfection process adhering to the EPA recommendation?