Title: Parkling Lot Seal Coat
Url: http://water.usgs.gov/nawqa/pah_faq.html
Publisher: U.S. Geologic Survey
Description: The study of parking-lot surfaces by the USGS and the City of Austin has implications that extend beyond Texas as parking-lot sealants are used nationwide. Findings suggest that abraded sealcoat has the potential to be an important source of PAHs in urban and suburban water bodies. In the past, sources of PAHs in urban watersheds have been thought to be dominated by leaking motor oil, tire wear, vehicular exhaust and atmospheric deposition. This study may thereby influence the discussion of strategies for controlling PAHs in urban environments.
Classification: Land Use (LCSH)
Stormwater Runoff (LCSH)
Resource Type: Collection (DCMI Type Vocabulary)
Format: html
Audience: Undergraduate students
Graduate students
Faculty
Lifelong learners
Language: English
Date Of Record Creation: 2009-03-05 23:46:29 (W3C-DTF)
Date Of Record Release: 2009-03-05 23:46:29 (W3C-DTF)
Date Record Checked: 2009-03-05 (W3C-DTF)
Date Last Modified: 2009-03-05 23:46:29 (W3C-DTF)
Cumulative Rating: NOT YET RATED
Resource Comments:
Subject: Parkling Lot Seal Coat
 Posted By: Diana Date Posted: 2010-07-11 08:20:31
Subject: Parkling Lot Seal Coat
 Posted By: Diana Date Posted: 2010-06-24 12:55:13
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Subject: Parkling Lot Seal Coat
 Posted By: Tonyjones Date Posted: 2009-12-17 22:02:53
Subject: Parkling Lot Seal Coat
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Subject: Parkling Lot Seal Coat
 Posted By: essay Date Posted: 2009-12-10 05:14:35
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Subject: Parkling Lot Seal Coat
 Posted By: rashoodollison Date Posted: 2009-11-19 06:59:31
Studies in Austin, Texas, showed that particles in runoff from coal-tar based sealcoated parking lots had concentrations of PAHs that were about 65 times higher than concentrations in particles washed off parking lots that had not been sealcoated. Biological studies, conducted by the City of Austin in the field and in the laboratory, indicated that PAH levels in sediment contaminated with abraded sealcoat were toxic to aquatic life and were degrading aquatic communities, as indicated by loss of species and decreased numbers of organisms. life experience degree program | online masters degree
Subject: Parkling Lot Seal Coat
 Posted By: rashoodollison Date Posted: 2009-11-19 06:59:01
Identification of this source of PAHs may help to improve future strategies for controlling these compounds in urban water bodies across the Nation where parking lot sealcoat is used. graduate certificate | life experience associate degree | psychology degree

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