Learn abbreviations used in water distribution with these study blocks.
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Learn abbreviations used in water distribution with these study blocks.
What is the recommended chlorine dosage when disinfecting a water main using tablets?
A | 50 mg/L |
B | 4 mg/L |
C | 25 mg/L |
D | 10 mg/L |
Sample test question:
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Learn abbreviations used in water distribution with these study blocks.