Environmental Health - Toxic Substances Hydrology Program

Photo Galleries from Completed Investigations

Graph of the average frequency of detection of emerging contaminants.
Average frequency of detection of emerging contaminants by compound class in 10 wastewater discharges from across the Nation. Numbers in parentheses indicate the number of compounds in each class.
-- from the Emerging Contaminants in the Environment Investigation

 

USGS Home Water Climate Change Science Systems Ecosystems Energy and Minerals Environmental Health Hazards

Accessibility FOIA Privacy Policies and Notices

USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
Page URL: toxics.usgs.gov/photo_gallery/completed_investigations_photo_galleries.html
Page Content Contact Information: webmaster@toxics.usgs.gov
Page Last Modified: 30-Aug-2016 @ 02:19:18 PM EDT