The 1996 Amendments to the Safe Drinking Water Act established an unregulated contaminant monitoring program by which public water systems (PWSs) monitor, on a five-year cycle, for up to 30 contaminants considered to be potential drinking water contaminants. The U.S. Environmental Protection Agency, Office of Water, Office of Groundwater and Drinking Water is responsible for implementing this program under the applicable Unregulated Contaminant Monitoring Rule (UCMR). UCMR program outcomes benefit public health by providing EPA with scientifically valid data on the national occurrence of selected contaminants in drinking water for use in regulatory action. In August 2017, GLEC was awarded a six year $11.4 million contract to provide UCMR technical support. Support includes: designing and implementing the monitoring program; coordinating with states/tribes/territories and individual PWSs; designing sampling logistics; assembly and distribution of sampling equipment; tracking sampling and analysis completeness; outreach and education; laboratory oversight and data quality review; evaluation of results; and compliance assistance to water system operators. This is the fourth UCMR support contract awarded to GLEC since 2000.
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GLEC operates one of only a few U.S. laboratories accredited for whole sediment toxicity testing. GLEC also maintains NELAP accreditation for chlorophyll and nutrient chemistry testing.