Volatile organic compounds in storm water from a parking lot
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Abstract
A mass balance approach was used to determine the most important nonpoint source of volatile organic compounds (VOCs) in storm water from an asphalt parking lot without obvious point sources (e.g., gasoline stations). The parking lot surface and atmosphere are important nonpoint sources of VOCs, with each being important for different VOCs. The atmosphere is an important source of soluble, oxygenated VOCs (e.g., acetone), and the parking lot surface is an important source for the more hydrophobic VOCs (e.g., benzene). VOCs on the parking lot surface appear to be concentrated in oil and grease and organic material in urban particles (e.g., vehicle soot). Except in the case of spills, asphalt does not appear to be an important source of VOCs. The uptake isotherm of gaseous methyl tert-butyl ether on urban particles indicates a mechanism for dry deposition of VOCs from the atmosphere. This study demonstrated that a mass balance approach is a useful means of understanding non-point-source pollution, even for compounds such as VOCs, which are difficult to sample.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Volatile organic compounds in storm water from a parking lot |
| Series title | Journal of Environmental Engineering |
| DOI | 10.1061/(ASCE)0733-9372(2000)126:12(1137) |
| Volume | 126 |
| Issue | 12 |
| Year Published | 2000 |
| Language | English |
| Publisher | ASCE |
| Publisher location | Reston, VA, United States |
| Contributing office(s) | Minnesota Water Science Center |
| Description | 7 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Environmental Engineering |
| First page | 1137 |
| Last page | 1143 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |