Video Demonstrates Use of Analyzer for GWR Compliance

Hach Company has released a video demonstrating how companies can comply with the U.S. Environmental Protection Agency's Ground Water Rule using the agency-approved Hach CL17 Chlorine Analyzer for on-line chlorine monitoring. The video can be viewed at www.gwrule.com.

The Ground Water Rule applies to all public water systems using groundwater. The GWR requirements began in March with six months of investigative monitoring (IM) for source water E.coli for systems currently applying disinfection only. All other requirements begin in December 2009.

"Using DPD colorimetry, the Hach CL17 is the only on-line continuous measuring technology approved by the EPA," noted Jim Huntley, global product manager.

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