Emerging Contaminants In the Environment
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"Emerging contaminants" can be broadly defined as
any synthetic or naturally occurring chemical or any microorganism that is
not commonly monitored in the environment but has the potential to enter the
environment and cause known or suspected adverse ecological and(or) human
health effects. In some cases, release of emerging chemical or microbial
contaminants to the environment has likely occurred for a long time, but may
not have been recognized until new detection methods were
developed. In other cases, synthesis of new chemicals or changes in use and
disposal of existing chemicals can create new sources of emerging
contaminants.
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Research is documenting with increasing frequency that many chemical and microbial constituents that
have not historically been considered as contaminants are present in the environment on a global
scale. These "emerging contaminants" are commonly derived from municipal, agricultural,
and industrial wastewater sources and pathways. These newly recognized contaminants represent a
shift in traditional thinking as many are produced industrially yet are dispersed to the environment
from domestic, commercial, and industrial uses.
The major goal of the Emerging Contaminants Project is to
provide information on these compounds for evaluation of their potential threat to environmental and
human health. To accomplish this goal, the
research activities of this
project are to: (1) develop analytical methods to measure chemicals and
microorganisms or their genes in a variety of matrices (e.g. water, sediment, waste) down to trace
levels, (2) determine the environmental occurrence of these potential contaminants,
(3) characterize the myriad of sources and source pathways that determine
contaminant release to the environment, (4) define and quantify processes that determine their
transport and fate through the environment, and (5) identify potential
ecologic effects from exposure to these chemicals or microorganisms. Project
research on emerging contaminants is being conducted within these five areas. The following links
provide more detailed information.
- Analytical Methods Development
- Environmental Occurrence
- Sources and Source Pathways
- Transport and Fate
- Ecological Effects
Emerging Contaminant Headlines
Meetings and Conferences
New Publications
Upcoming Publications
- Contamination of nonylphenolic compounds in creek water, wastewater treatment plant effluents, and sediments from Lake Shihwa and vicinity, Korea--Comparison with fecal pollution: Choi, M., Furlong, E.T., Moon, H.-B., Yu, J., and Choi, H.-G., Chemosphere, doi:10.1016/j.chemosphere.2011.08.016 (IN PRESS).
- Earthworm bioassays and seed germination for monitoring biosolids toxicity, aging and bioaccumulation of anthropogenic waste indicator compounds in biosolids-amended soil: Kinney, C.A., Campbell, B.R., Thompson, R., Furlong, E.T., Kolpin, D.W., Burkardt, M.R., Zaugg, S.D., Werner, S.L., and Hay, A.G., Environmental Science and Technology (IN PRESS).
- Chiral pesticides--Identification, description, and environmental implications: Ulrich, E.M., Morrison, C.N., Goldsmith, M.R., and Foreman, W.T., Reviews of Environmental Contamination and Toxicology (IN PRESS).
Newly Published
- Fish endocrine disruption responses to a major wastewater treatment facility upgrade: Barber, L.B., Vajda, A.M., Douville, C., Norris, D.O., and Writer, J.H., 2012, Environmental Science and Technology, doi:10.1021/es202880e.
- Effects of the antimicrobial sulfamethoxazole on groundwater bacterial enrichment: Underwood, J.C., Harvey, R.W., Metge, D.W., Repert, D.A., Baumgartner, L.K., Smith, R.L., Roane, T.M., and Barber, L.B., 2011, Environmental Science and Technology, v. 45, no. 7, p. 3096-3101, doi:10.1021/es103605e.
- Reproductive endocrine disruption in smallmouth bass (Micropterus dolomieu) in the Potomac River Basin--Spatial and temporal comparisons of biological effects: Blazer, V., Iwanowicz, L., Henderson, H., Mazik, P., Jenkins, J., Alvarez, D., and Young, J., 2011, Environmental Monitoring and Assessment, p. 26, doi:10.1007/s10661-011-2266-5 (Advanced Web release).
- Role of biofilms in sorptive removal of steroidal hormones and 4-nonylphenol compounds from streams: Writer, J.H., Ryan, J.N., and Barber, L.B., 2011, Environmental Science and Technology, v. 45, no. 17, p. 7275-7283, doi:10.1021/es2008038.
- Methods for evaluating in-stream attenuation of trace organic compounds: Writer, J.H., Keefe, S.K., Ryan, J.N., Ferrer, I., Thurman, M.E., and Barber, L.B., 2011, Applied Geochemistry, v. 26, Supplement, p. S344-S345, doi:10.1016/j.apgeochem.2011.03.071.
- Biodegradation and attenuation of steroidal hormones and alkylphenols by stream biofilms and sediments: Writer, J.H., Barber, L.B., Ryan, J.N., and Bradley, P.M., 2011, Environmental Science and Technology, v. 45, no. 10, p. 4370-4376, doi:10.1021/es2000134.
- Occurrence of antibiotic resistance and characterization of resistance genes and integrons in Enterobacteriaceae isolated from integrated fish farms in south China: Su, H.-C., Ying, G.-G., Tao, R., Zhang, R.-Q., Fogarty, L.R., and Kolpin, D.W., 2011, Journal of Environmental Monitoring (Advanced Web release).
Select Information on Emerging Contaminant Research Outside the Toxic Substances Hydrology
Program
- Endocrine Disruptor Research,
Contaminant Biology Program, USGS
- Pharmaceuticals and Personal Care Products (PPCPs),
U.S. Environmental Protection Agency
- Pharmaceuticals and
Personal Care Products (PPCPs) as Environmental Pollutants, National Exposure Research Laboratory,
U.S. Environmental Protection Agency
- Pharmaceuticals in the Environment, Information for
Assessing Risk (PEIAR) Project, National Oceanic and Atmospheric Administration (NOAA)
- Antibiotic/Antimicrobial
Resistance, Centers for Disease Control and Prevention
- Materials of Emerging Regulatory Interest Team
(MERIT), Emerging Contaminants Directorate, Department of Defense (The official DoD source
for emerging contaminants information)
- EU-Project Poseidon, Assessment of
Technologies for the Removal of Pharmaceuticals and Personal Care Products in Sewage and
Drinking Water Facilities to Improve the Indirect Potable Water Reuse, European Union
More Information
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