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- Title
Characteristics Of Highway Stormwater Runoff in Los Angeles: Metals and Polycyclic Aromatic Hydrocarbons.
- Authors
Lau, Sim-Lin; Han, Younghan; Kang, Joo-Hyon; Kayhanian, Masoud; Stenstrom, Michael K.
- Abstract
Stormwater runoff from three highway sites in Los Angeles, California, was monitored, during the 2000 to 2003 wet seasons. Correlations among heavy metals, polycyclic aromatic hydrocarbons (PAHs), and storm characteristics were performed using datasets collected for 62 storm events. Statistical correlation analyses of the event mean con- centrations (EMCs) and mass first-flush ratios (MFFs) with storm character- istics were conducted to determine if the first flush is related to site or storm characteristics. This study agreed with other highway runoff characterization studies, in that strong correlations were observed among the heavy metals and between heavy metals and total PAHs, and total suspended solids were well correlated with most heavy metals. Only antecedent dry days among storm characteristics were reasonably well-correlated with the EMCs of heavy metals and total PAHs, and dissolved and total metals exhibited similar MFFs, with approximately 30 to 35% of the mass being discharged in the first 20% of the runoff volume. Water Environ. Res., 81, 308 (2009).
- Subjects
LOS Angeles (Calif.); CALIFORNIA; STORM water retention basins; STATISTICAL correlation; POLYCYCLIC aromatic compounds; HEAVY metals &; the environment; POLLUTANTS
- Publication
Water Environment Research (10614303), 2009, Vol 81, Issue 3, p308
- ISSN
1061-4303
- Publication type
Article
- DOI
10.2175/106143008X357237