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RTCR and GWR Sample Labeling Instructions

These instructions are specific to the Revised Total Coliform Rule (RTCR) and the Ground Water Rule triggered monitoring (TG GWR) samples collected in Wyoming and on Tribal Lands in EPA Region 8. They do not pertain to samples collected for Nitrates, Chemicals, Lead, Copper or any other contaminants. ONLY RTCR and TG GWR.

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