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	title = {Drinking water criteria document on Giardia},
	year = {1998},
	institution = {Environmental Protection Agency},
	address = {Washington, D.C.},
	author = {USEPA,}
}
@article {1678,
	title = { Exposure Factors Handbook 2011 edition (Final)},
	year = {2011},
	url = {https://cfpub.epa.gov/ncea/risk/recordisplay.cfm?deid=236252},
	author = {USEPA,}
}
