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Lead and Copper Rule Clarification of Requirements for Collecting Samples and Calculating Compliance

EPA’s review of state programs has identified inconsistencies in how public water systems (PWSs) and states are carrying out the Lead and Copper Rule. This memo reminds states and PWSs of the requirements and clarifies key points.

Lead and Copper Rule - Clarification of Requirements for Collecting Samples and Calculating Compliance (pdf) (EPA-816-R-02-009)