Unregulated Contaminant Monitoring Rule 3 (UCMR3)

Oct 25

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10/25/2011 12:00 AM  RssIcon

EPAWeck Laboratories has provided analytical support for the Environmental Protection Agency's UCMR program for UCMR1 & UCMR2 and will do so again for UCMR3. The laboratory has developed the methods for compliance with the Rule. All List 1 methods are currently availabe for analysis in-house at Weck Laboratories! Utilities now have the opportunity to do preliminary monitoring to determine vulnerability to UCMR3 contaminants.

As proposed, UCMR 3 would require public water systems (PWSs) to monitor for 28 chemicals and two viruses. All PWSs serving more than 10,000 people, and a representative sample of 800 PWSs serving 10,000 or fewer people, would be required to conduct Assessment Monitoring for 28 "List 1" chemicals during a continuous 12-month period from January 2013 through December 2015. In addition, a targeted group of 800 PWSs serving 1,000 or fewer people would be required to conduct Pre-Screen Testing for two "List 3" viruses during a 12-month period from January 2013 through December 2015. EPA UCMR3 website info

UCMR 3 Proposed Contaminants

  • Assessment Monitoring (List 1)
    • Hormones EPA 539
    • Volatile Organic Compounds EPA 524.3
    • Synthetic Organic Compounds EPA 522
    • Metals (V, Mo, Co, Sr) EPA 200.8 Rev 5.4
    • Oxyhalide Anion - Chlorate EPA 300.1
    • Perfluorinated Compounds EPA 537
  • Pre-Screening Testing (List 3)
    • Enteroviruses
    • Noroviruses

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