| Abstract: | A nationally consistent approach was used to assess the occurrence and potential sources of pyrethroid insecticides in stream bed sediments from seven metropolitan areas across the United States. One or more pyrethroids were detected in almost half of the samples, with bifenthrin detected the most frequently (41%) and in each metropolitan area. Cyhalothrin, cypermethrin, permethrin, and resmethrin were detected much less frequently. Pyrethroid concentrations and Hyalella azteca mortality in 28-d tests were lower than in most urban stream studies. Log-transformed total pyrethroid toxic units (TUs) were significantly correlated with survival and bifenthrin was likely responsible for the majority of the observed toxicity. Sampling sites spanned a wide range of urbanization and log-transformed total pyrethroid concentrations were significantly correlated with urban land use. Dallas/Fort Worth had the highest pyrethroid detection frequency (89%), the greatest number of pyrethroids (4), and some of the highest concentrations. Salt Lake City had a similar percentage of detections but only bifenthrin was detected and at lower concentrations. The variation in pyrethroid concentrations among metropolitan areas suggests regional differences in pyrethroid use and transport processes. This study shows that pyrethroids commonly occur in urban stream sediments and may be contributing to sediment toxicity across the country. |
| Genre: | Article |
| ProdID: | 70040563 |
| Citation Author: | Kuivila, Kathryn M.; Hladik, Michelle L.; Ingersoll, Christopher G.; Kemble, Nile E.; Moran, Patrick W.; Calhoun, Daniel L.; Nowell, Lisa H.; Gilliom, Robert J. |
| Citation Contributing Office: | California Water Science Center |
| Citation Datum: | |
| Citation Day: | 28 |
| Citation Edition: | |
| Citation Editor: | |
| Citation End Page: | 4303 |
| Citation Issue: | 8 |
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| Citation Language: | English |
| Citation Larger Work Title: | Environmental Science and Technology |
| Citation LatN: | 49.0 |
| Citation LatS: | 29.8 |
| Citation LonE: | -70.15 |
| Citation LonW: | -124.8 |
| Citation Month: | 3 |
| Citation No Pagination: | |
| Citation Number Of Pages: | 13 |
| Citation Online Only Flag: | |
| Citation Phsyical Description: | 7 p. |
| Citation Projection: | |
| Citation Public Comments: | |
| Citation Publisher: | ACS Publications |
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| Citation Series Code: | |
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| Citation Search Results Text: | Occurrence and potential sources of pyrethroid insecticides in stream sediments from seven U.S. metropolitan areas; 2012; Article; Journal; Environmental Science and Technology; Kuivila, Kathryn M.; Hladik, Michelle L.; Ingersoll, Christopher G.; Kemble, Nile E.; Moran, Patrick W.; Calhoun, Daniel L.; Nowell, Lisa H.; Gilliom, Robert J. |
| Citation Start Page: | 4297 |
| Citation Volume: | 46 |
| Citation Year: | 2012 |
| Type: | citation/reference |
| Text: | Occurrence and potential sources of pyrethroid insecticides in stream sediments from seven U.S. metropolitan areas; 2012; Article; Journal; Environmental Science and Technology; Kuivila, Kathryn M.; Hladik, Michelle L.; Ingersoll, Christopher G.; Kemble, Nile E.; Moran, Patrick W.; Calhoun, Daniel L.; Nowell, Lisa H.; Gilliom, Robert J. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| URL (DIGITAL OBJECT IDENTIFIER): | http://dx.doi.org/10.1021/es2044882 |
| Date Other: | Wed, 31 Oct 2012 00:00 -0500 |
| Publisher: | ACS Publications |
