A chlorination kit can be used to confirm that there is no detectable level of chlorine in ... Additionally, the new general permit's "Clean Water Assurance ...
www.state.nj.us/dep/dwq/discharg/v7n1a.htm

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Note added at 5 mins (2007-07-19 15:12:47 GMT)
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The 2nd ref: PSI and its local partner in Zambia, the Society for Family Health (SFH), are implementing a pilot project to provide safe drinking water at the household level, to reduce the incidence of diarrheal diseases, especially in children under 5 years of age. The pilot project is using a community based social marketing approach to create demand for, access to, and use of an affordable home-based water treatment and storage kit. It will identify, test and evaluate appropriate product, pricing, packaging, distribution, and information/education/communications (IEC) strategies for achieving household use of a Home Chlorination Kit. The project is working in collaboration with the Centers for Disease Control (CDC), with funding from USAID