A group of related bacteria whose presence in drinking water may indicate contamination by disease-causing microorganisms.
Coliform
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A group of related bacteria whose presence in drinking water may indicate contamination by disease-causing microorganisms.
A | 65 mg/L |
B | 0.65 mg/L |
C | 6.5 ppm |
D | 0.065 mg/L |
To convert ppb to mg/L simply divide by 1,000.
65 ppb / 1,000 = 0.065 mg/L
Sample test question:
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