AWWA JAW62288

This article discusses the second Unregulated Contaminant Monitoring Rule (UCMR2) that will require a national sampling of water utilities to monitor for 26 high-priority unregulated contaminants, including perchlorate. The UCMR2 features an assessment monitoringcomponent that would have 3,910 publicwater systems look for 11 prioritychemicals using six well-establishedanalytical methods. The rulealso includes a screening survey that wouldhave 1,122 systems monitor for 15 othertargeted chemicals usingspecialized and less commonly usedmethods.Scheduled for promulgation by August2006, the rule would apply to communitywater systems (CWSs) and nontransient-noncommunity water systems(NTNCWSs). The article discusses the US Environmental Protection Agency's (USEPA) selection method for the 26 chemicals, the USEPA's request for a second monitoring for perchlorate, and possible additions to the final screening survey. Assessment monitoring process is described, along with the screening survey and state participation. Includes tables.

Product Details

Edition:

Vol. 97 - No. 11

Published:

11/01/2005

Number of Pages:

6

File Size:

1 file , 120 KB