(Office of Drinking Water)
Supersedes: Not applicable.
Issuing Entity: Washington state department of health, division of environmental health, office of drinking water.
Description: This policy clarifies the monitoring, operational, and reporting requirements for water systems that install ultraviolet reactors to inactivate Giardia lamblia to meet the disinfection requirements of the surface water treatment rule.
Office Contact: Sam Perry, Department of Health, Office of Drinking Water, Northwest Regional Office, 20435 72nd Avenue South, Suite 200, Kent, WA 98032, (253) 395-6755, firstname.lastname@example.org.
Effective Date: March 21, 2007.
Denise A. Clifford, Director
Office of Drinking Water