D W Kolpin
Affiliation: U.S. Geological Survey
- Pharmaceuticals, hormones, and other organic wastewater contaminants in U.S. streams, 1999-2000: a national reconnaissanceDana W Kolpin
US Geological Survey, Iowa City, Iowa 52244, USA
Environ Sci Technol 36:1202-11. 2002....
- Urban contributions of glyphosate and its degradate AMPA to streams in the United StatesDana W Kolpin
U S Geological Survey, 400 S Clinton Street, Iowa City, Iowa 52244, USA
Sci Total Environ 354:191-7. 2006..Thus, urban use of glyphosate contributes to glyphosate and AMPA concentrations in streams in the United States. Overall, AMPA was detected much more frequently (67.5%) compared to glyphosate (17.5%)...
- Mycotoxins: diffuse and point source contributions of natural contaminants of emerging concern to streamsDana W Kolpin
U S Geological Survey, Iowa Water Science Center, 400 S Clinton St Suite 269, Iowa City, IA 52244, United States Electronic address
Sci Total Environ 470:669-76. 2014..The ecotoxicological impacts from the long-term, low-level exposures to mycotoxins alone or in combination with complex chemical mixtures are unknown...
- Chemical contaminants in water and sediment near fish nesting sites in the Potomac River basin: determining potential exposures to smallmouth bass (Micropterus dolomieu)Dana W Kolpin
U S Geological Survey, Iowa Water Science Center, 400 S Clinton Street, Iowa City, IA 52244, USA
Sci Total Environ 443:700-16. 2013..Such significant correlations do not necessarily imply causation, as these chemical compositions and concentrations likely do not adequately reflect total SMB exposure history, particularly during critical life stages...
- Phytoestrogens and mycotoxins in Iowa streams: an examination of underinvestigated compounds in agricultural basinsDana W Kolpin
U S Geological Survey, 400 S Clinton St, Suite 269, Iowa City, IA 52244, USA
J Environ Qual 39:2089-99. 2010....
- Finding minimal herbicide concentrations in ground water? Try looking for their degradatesD W Kolpin
US Geological Survey, Iowa City, IA 52244, USA
Sci Total Environ 248:115-22. 2000..Furthermore, the prevalence of herbicide degradates documented in this study suggests that to accurately determine the overall effect on human health and the environment of a specific herbicide its degradates should also be considered...
- Degradates provide insight to spatial and temporal trends of herbicides in ground waterDana W Kolpin
US Geological Survey, 400 S Clinton St, Box 1230, Iowa City, IA 52244, USA
Ground Water 42:601-8. 2004..Finally, a temporal pattern in alachlor concentrations in ground water could only be identified when alachlor degradates were considered...
- Urban contribution of pharmaceuticals and other organic wastewater contaminants to streams during differing flow conditionsDana W Kolpin
U S Geological Survey, 400 S Clinton Street, Iowa City, IA 52244, USA
Sci Total Environ 328:119-30. 2004..Conversely, no significant differences in the concentrations were found during high-flow conditions. Thus, the urban contribution of OWCs to streams became progressively muted as streamflow increased...
- Occurence of cyanazine compounds in groundwater: degradates more prevalent than the parent compoundD W Kolpin
U S Geological Survey, Iowa City, Iowa 52244, USA
Environ Sci Technol 35:1217-22. 2001....
- Pharmaceutical formulation facilities as sources of opioids and other pharmaceuticals to wastewater treatment plant effluentsPatrick J Phillips
US Geological Survey, Troy, New York 12180, USA
Environ Sci Technol 44:4910-6. 2010..These findings suggest that current manufacturing practices at these PFFs can result in pharmaceuticals concentrations from 10 to 1000 times higher than those typically found in WWTP effluents...
- Major herbicides in ground water: results from the National Water-Quality AssessmentJ E Barbash
US Geological Survey, Tacoma, WA 98402, USA
J Environ Qual 30:831-45. 2001..The NAWQA results agreed closely with those from other multistate studies with similar designs...
- Biotransformation of caffeine, cotinine, and nicotine in stream sediments: implications for use as wastewater indicatorsPaul M Bradley
U S Geological Survey, 720 Gracern Road, Suite 129, Columbia, South Carolina 29210 7651, USA
Environ Toxicol Chem 26:1116-21. 2007..The potential for in situ biotransformation must be considered if these compounds are employed as markers to identify the sources and track the fate of wastewater compounds in surface-water systems...
- A national reconnaissance of pharmaceuticals and other organic wastewater contaminants in the United States--I) groundwaterKimberlee K Barnes
US Geological Survey, 400 South Clinton Street, Room 269, Iowa City, Iowa 52244, United States
Sci Total Environ 402:192-200. 2008..Future research will be needed to identify those factors that are most important in determining the occurrence and concentrations of OWCs in groundwater...
- 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...
- Biodegradation of 17beta-estradiol, estrone and testosterone in stream sedimentsPaul M Bradley
U S Geological Survey, 720 Gracern Rd, Suite 129, Columbia, South Carolina 29210 7651, USA
Environ Sci Technol 43:1902-10. 2009....
- Fate of sulfamethoxazole, 4-nonylphenol, and 17beta-estradiol in groundwater contaminated by wastewater treatment plant effluentLarry B Barber
U S Geological Survey, 3215 Marine Street, Boulder, Colorado 80303, USA
Environ Sci Technol 43:4843-50. 2009..There was little difference in mineralization potential between sites...
- 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....
- Potential for 4-n-nonylphenol biodegradation in stream sedimentsPaul M Bradley
US Geological Survey, Columbia, SC 29210 7651, USA
Environ Toxicol Chem 27:260-5. 2008..These results suggest WWTP procedures that maximize the delivery of dissolved oxygen while minimizing the release of BOD to stream receptors favor efficient biodegradation of 4-NP contaminants in wastewater-impacted stream environments...
- VOCs, pesticides, nitrate, and their mixtures in groundwater used for drinking water in the United StatesPaul J Squillace
U S Geological Survey, Rapid City, South Dakota 57702, USA
Environ Sci Technol 36:1923-30. 2002..Only 14 compounds (seven VOCs, six pesticides, and nitrate) contributed over 95% of the detections in these 402 mixtures; however, most samples with these mixtures also contain a variety of other compounds...
- Widespread detection of N,N-diethyl-m-toluamide in U.S. streams: comparison with concentrations of pesticides, personal care products, and other organic wastewater compoundsMark W Sandstrom
U S Geological Survey, P O Box 25046, MS 407, Denver, Colorado 80225, USA
Environ Toxicol Chem 24:1029-34. 2005..1 microg/L). The results of the present study suggest that the movement of DEET to streams through wastewater-treatment systems is an important mechanism that might lead to the exposure of aquatic organisms to this chemical...
- Bioassay of estrogenicity and chemical analyses of estrogens in streams across the United States associated with livestock operationsD A Alvarez
U S Geological Survey, Columbia Environmental Research Center, 4200 New Haven Road, Columbia, MO 65201, USA
Water Res 47:3347-63. 2013..POCIS resulted in more frequent detections of estrogens than discrete water samples across all sites, even when applying the less-sensitive YES bioassay to the POCIS extracts...
- Nutrient and sediment concentrations and corresponding loads during the historic June 2008 flooding in eastern IowaL Hubbard
U S Geological Survey, 400 S Clinton St, Rm 269, Iowa City, IA 52240, USA
J Environ Qual 40:166-75. 2011..This study demonstrates the importance of large flood events to the total annual nutrient load in both small streams and large rivers...
- Waste-indicator and pharmaceutical compounds in landfill-leachate-affected ground water near Elkhart, Indiana, 2000-2002P M Buszka
US Geological Survey, 5957 Lakeside Blvd, Indianapolis, IN 46278, USA
Bull Environ Contam Toxicol 82:653-9. 2009..Acetaminophen, caffeine, and cotinine detections confirm prior indications of pharmaceutical and nicotinate disposal in the landfill...
- Bioaccumulation of pharmaceuticals and other anthropogenic waste indicators in earthworms from agricultural soil amended with biosolid or swine manureChad A Kinney
Department of Chemistry, Colorado State University at Pueblo, 2200 Bonforte Blvd, Pueblo, Colorado 81001, USA
Environ Sci Technol 42:1863-70. 2008..05 (galaxolide) to 27 (triclosan). This study documents that when AWls are present in source materials that are land applied, such as biosolids and swine manure, AWls can be transferred to earthworms...
- Groundwater vulnerability: interactions of chemical and site propertiesFred Worral
Department of Geological Sciences, University of Durham, Science Laboratories, South Road, Durham, DH1 3LE, UK
Sci Total Environ 299:131-43. 2002....
- Antimicrobial residues in animal waste and water resources proximal to large-scale swine and poultry feeding operationsEnzo R Campagnolo
Epidemic Intelligence Service, Epidemiology Program Office, Centers for Disease Control and Prevention, 1600 Clifton Rd NE, Atlanta, GA 30333, USA
Sci Total Environ 299:89-95. 2002..More sensitive LC/ESI-MS techniques are required in environmental samples, where low levels of antimicrobial residues are more likely...
- Transport of chemical and microbial compounds from known wastewater discharges: potential for use as indicators of human fecal contaminationSusan T Glassmeyer
U S Environmental Protection Agency, Office of Research and Development, National Exposure Research Laboratory, 26 West Martin Luther King Drive, MS 564, Cincinnati, Ohio 45268, USA
Environ Sci Technol 39:5157-69. 2005..This research suggests that selected chemicals are useful as tracers of human wastewater discharge...
- Effects of sorbate speciation on sorption of selected sulfonamides in three loamy soilsSudarshan T Kurwadkar
Environmental Research Center for Emerging Contaminants, Department of Civil, Architectural and Environmental Engineering, Butler Carlton Hall, University of Missouri Rolla, 1870 Miner Circle, Rolla, MO 65401, USA
J Agric Food Chem 55:1370-6. 2007....
- Are veterinary medicines causing environmental risks?Alistair B A Boxall
Cranfield Centre for EcoChemistry, United Kingdom
Environ Sci Technol 37:286A-294A. 2003