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Drinking Water and Wastewater Systems Security

Description:

Innovative technologies that can remove contaminants that become trapped on or adhere to the inside of pipe walls or other such surfaces in the event that a drinking water system becomes contaminated. Technologies should be reliable and easy for water utilities to implement are of interest. Ideally the technology would be non-hazardous—additional PPE not required beyond that normally used in water utility maintenance; scalable—able to be implemented over a wide water distribution network; and non-damaging to water infrastructure. Specifically technologies that are able to remove contaminants from common drinking water infrastructure material are of interest. The following infrastructure materials are of most interest: cement mortar lined iron and unlined cast and/or ductile iron that is heavily corroded. In addition, household plumbing materials such as PVC and copper are of interest. Decontamination technologies that are able to destroy, or otherwise remove, the following contaminants are of interest: chlorine resistant pathogens such Bacillus anthracis (or surrogate) in spore form, persistent, soluble radionuclides (including stable surrogates), common chemicals such as hydrocarbons, pesticides and inorganic compounds that adhere strongly to plumbing surfaces and that are not easily removed by conventional flushing.

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