Michael J Focazio
Affiliation: U.S. Geological Survey
- A national reconnaissance for pharmaceuticals and other organic wastewater contaminants in the United States--II) untreated drinking water sourcesMichael J Focazio
US Geological Survey, Office of Water Quality, MS 412, 12201 Sunrise Valley Dr, Reston, Virginia 20192, United States
Sci Total Environ 402:201-16. 2008....
- The occurrence of glyphosate, atrazine, and other pesticides in vernal pools and adjacent streams in Washington, DC, Maryland, Iowa, and Wyoming, 2005-2006William A Battaglin
US Geological Survey, P O Box 25046 MS 415, Denver Federal Center, Lakewood, CO 80225, USA
Environ Monit Assess 155:281-307. 2009..This concentration exceeded the freshwater aquatic life standard for glyphosate of 65 microg/l. Aminomethylphosphonic acid, triclopyr, and nicosulfuron also were detected at concentrations greater than 3.0 microg/l...
- Comparing wastewater chemicals, indicator bacteria concentrations, and bacterial pathogen genes as fecal pollution indicatorsSheridan K Haack
U S Geological Survey, 6520 Mercantile Way, Suite 5, Lansing, MI 48911, USA
J Environ Qual 38:248-58. 2009..Application of multiple water quality indicators with variable environmental persistence and fate may yield greater confidence in fecal pollution assessment and may inform remediation decisions...
- Historical trends in occurrence and atmospheric inputs of halogenated volatile organic compounds in untreated ground water used as a source of drinking waterStephanie Dunkle Shapiro
US Geological Survey, MS 432, 12201 Sunrise Valley Drive, Reston, VA 20192, USA
Sci Total Environ 321:201-17. 2004..Additional inputs from a variety of sources such as spills, underground injections and leaking landfills or storage tanks increasingly are providing additional sources of contamination to ground water used as drinking-water sources...