Drinking water criteria document for Cryptosporidium :
updated and revised by Environmental Management Support, Inc. ; prepared for Health and Ecological Criteria Division, Office of Science and Technology, Office of Water, U.S. Environmental Protection Agency.
Washington, D.C. : The Agency, 
Drinking water > Drinking water / Contamination > Drinking water / Contamination / Health aspects.
1 v. (various pagings) :
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