The atmosphere can be a source of certain water soluble volatile organic compounds in urban streams
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Abstract
Surface water and air volatile organic compound (VOC) data from 10 U.S. Geological Survey monitoring sites were used to evaluate the potential for direct transport of VOCs from the atmosphere to urban streams. Analytical results of 87 VOC compounds were screened by evaluating the occurrence and detection levels in both water and air, and equilibrium concentrations in water (Cws) based on the measured air concentrations. Four compounds (acetone, methyl tertiary butyl ether, toluene, and m- & p-xylene) were detected in more than 20% of water samples, in more than 10% of air samples, and more than 10% of detections in air were greater than long-term method detection levels (LTMDL) in water. Benzene was detected in more than 20% of water samples and in more than 10% of air samples. Two percent of benzene detections in air were greater than one-half the LTMDL in water. Six compounds (chloroform, p-isopropyltoluene, methylene chloride, perchloroethene, 1,1,1-trichloroethane, and trichloroethene) were detected in more than 20% of water samples and in more than 10% of air samples. Five VOCs, toluene, m- & p-xylene, methyl tert-butyl ether (MTBE), acetone, and benzene were identified as having sufficiently high concentrations in the atmosphere to be a source to urban streams. MTBE, acetone, and benzene exhibited behavior that was consistent with equilibrium concentrations in the atmosphere.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The atmosphere can be a source of certain water soluble volatile organic compounds in urban streams |
| Series title | Journal of the American Water Resources Association |
| DOI | 10.1111/jawr.12181 |
| Volume | 50 |
| Issue | 5 |
| Year Published | 2014 |
| Language | English |
| Publisher | American Water Resources Association |
| Publisher location | Herndon, VA |
| Contributing office(s) | South Dakota Water Science Center, Dakota Water Science Center |
| Description | 14 p. |
| First page | 1124 |
| Last page | 1137 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |