A  sampling and monitoring plan is established to assess the effectiveness of the modified soda ash mixing and delivery system recently installed and commissioned for the United States Coast Guard (USCG) at Base Kodiak, AK.  The plan will utilize samples collected from a combination of existing coupon stations, housing, locations near the end of distribution piping, and the municipal wastewater treatment plant (WWTP) to evaluate how the new soda ash system has affected overall drinking water quality and establishing an effective corrosion control treatment for the facility. The monitoring plan assess the effectiveness of the soda ash system in reducing the corrosiveness of the drinking water, preventing lead and copper dissolution from pipes and fittings, and verifying if scaling if occurring.

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