Exam (elaborations)
Level 1 water distribution practice test Guide Questions and answers 100% correct
- Module
- Institution
The minimum and maximum chloride residual in a water distribution system is ? - CORRECT ANSWER-0.2 mg/l and 4mg/L of free chlorine Nitrate may not exceed what concentration when tested yearly for a groundwater treatment plant ? - CORRECT ANSWER-10 mg/L The minimum number of total coliform samp...
[Show more]