Quick Guide To Drinking Water Sample Collection - Second ...

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United States Region 8 Laboratory September 2016 Environmental 16194 W. 45th Dr. Protection Agency Golden, CO 80403 Quick Guide To Drinking Water Sample Collection Second Edition, Update 2 Disclaimer This document provides a general summary of techniques used by EPA Region 8 Laboratory staff for the Collection of chemistry samples for Drinking Water analysis. Other approaches to Sample Collection may be acceptable or desirable under given conditions. This document is intended as a refresher for those already trained in Sample Collection . The user is urged to check with the laboratory performing the analysis to ensure that the bottles, preservatives, and holding times which are to be employed are compatible with the methods used by the laboratory. The Second edition corrects and expands on the guidance for sampling Water lines for compliance with the lead/copper rule.

flush the water line before the start of the 6 hour period. Place a wide-mouth 1 L bottle under the faucet. Open the faucet and collect the first water out of the tap. If you want to test a lead service line then 8 to 10 sequential sample bottles (the number depends on how far the lead service line is from the tap) would be needed to see the ...

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