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At least 95 of monthly routine repeat water samples must be free of total coliform bacteria for a water system that collects at least 40 samples a month.
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To ensure that the water supplied by a public water system meets federal and state requirements the water system operator must regularly collect samples and a.
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Test the water at the nearest water testing laboratory b.
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This 5 question practice test is a demo of the full 100 question practice test available to members.
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It s a fairly short video but it contains helpful information that can be used as a study guide.
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What are check valves used for in a water distribution system.
Send all analysis results to the state periodically.
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California water treatment distribution and wastewater treatment collections continuing education and 100 guaranteed exam prep free sample lessons.
Determine a sampling schedule based on the lab s recommendations c.
Water distribution practice test demo.
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Stop the water flow in both directions.
Never flush once it s repaired.
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If 5 0 mg l of chlorine is added to water and the free chlorine residual of 2 3 mg l is maintained after 60 minutes the ct at that point is.