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What is the recommended chlorine dosage when disinfecting a water main using the slug method?
A | 50 mg/L |
B | 300 mg/L |
C | 500 mg/L |
D | 100 mg/L |
Sample test question:
Hydraulic gradient tests are used for what purpose?Start preparing!. Sign up today!
An aquifer that supplies 50 percent or more of the drinking water of an area.