Association Water Quality Technology Conference, Portland, Oregon. Denver, CO: AWWA.
Tabak, H., and H. Bunch. 1970. Steroid hormones as water pollutants. Developments in Industrial Microbiology 11:367-376.
TPRC (Third Party Review Committee). 2002. Third Party Review of the ALCOSAN Regional Long Term Wet Weather Control Concept Plan. Pittsburgh, PA: ALCOSAN.
Trax, E. 1916. A new raw water supply for the City of McKeesport, Pennsylvania. Journal of the American Water Works Association 3:947-958.
Trussell, R. 2001. Endocrine disruptors and the water industry. Journal of the American Water Works Association 93(2):58-65.
USACE (U.S. Army Corps of Engineers). 1997. Montour Run Watershed, Allegheny County, Pennsylvania: Water Quality and Aquatic Life Resources. Pittsburgh, PA: U.S. Army Corps of Engineers.
USDA (U.S. Department of Agriculture). 1997. 1997 Census of Agriculture: Pennsylvania State and County Data. Available on-line at http://www.census.gov/prod/ac97/ac97a-38.pdf. Accessed June 16, 2004.
USGS (U.S. Geological Survey). 1995. The Allegheny-Monongahela River Basin NAWQA Project. Available on-line at http://pa.water.usgs.gov/almn/. Accessed June 16, 2004.
USGS. 1996. Quality of ground water at selected sites in the upper Mahoning Creek basin, Pennsylvania. Fact Sheet 176-96. Available on-line at http://pa.water.usgs.gov/reports/fs_176-96/report.html. Accessed June 16, 2004.
VADEQ (Virginia Department of Environmental Quality). 2000. Fecal Coliform TMDL for Muddy Creek, Virginia: Revised Final Report. Available on-line at http://www.deq.virginia.gov/tmdl/apptmdls/shenrvr/muddyfe.pdf. Accessed November 30, 2004.
WHO (World Health Organization). 1990. The WHO Recommended Classification of Pesticides by Hazard and Guidelines to Classification. Geneva, Switzerland: WHO.
WHO. 2000. Monitoring Bathing Waters: A Practical Guide to the Design and Implementation of Assessments and Monitoring Programmes, J. Bartram and G. Rees (eds.). London: E. and F.N. Spon.