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EPA collected data required by the Information Collection Rule
(May 14, 1996) to support future regulation of microbial contaminants,
disinfectants, and disinfection byproducts. The rule was intended
to provide EPA with information on chemical byproducts that form
when disinfectants used for microbial control react with chemicals
already present in source water—disinfection byproducts (DBPs);
disease-causing microorganisms (pathogens), including Cryptosporidium;
and engineering data to control these contaminants.The information
collected for the ICR is now available in EPA's Envirofacts
Data Warehouse.
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