

@book {7448,
	title = {Development and application of health-based screening levels for use in water-quality assessments},
	year = {2007},
	publisher = {US Geological Survey},
	organization = {US Geological Survey},
	url = {http://pubs.water.usgs.gov/sir20075106/pdf/sir20075106.pdf},
	author = {Toccalino, Patricia}
}
