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« Previous AbstractOccurrence of organic pollutants in recovered soil fines from construction and demolition waste    Next AbstractCharacterization of roadway stormwater system residuals for reuse and disposal options »

J Environ Manage


Title:Characterization of pollutants in Florida street sweepings for management and reuse
Author(s):Jang YC; Jain P; Tolaymat T; Dubey B; Townsend T;
Address:"Department of Environmental Engineering and Sciences, University of Florida, P.O. Box 116450, Gainesville, FL 32611-6450, USA"
Journal Title:J Environ Manage
Year:2009
Volume:20091002
Issue:2
Page Number:320 - 327
DOI: 10.1016/j.jenvman.2009.08.018
ISSN/ISBN:1095-8630 (Electronic) 0301-4797 (Linking)
Abstract:"Disposal and beneficial-use options for street sweeping residuals collected as part of routine roadway maintenance activities in Florida, USA, were assessed by characterizing approximately 200 samples collected from 20 municipalities. Total concentrations (mg/kg or microg/kg) and leachable concentrations (mg/L or microg/L) of 11 metals and a number of organic pollutant groups (volatile organics, semi-volatile organics, pesticides, herbicides, carbamates) in the samples were measured. The synthetic precipitation leaching procedure (SPLP) was performed to evaluate the leachability of the pollutants. From the total metal analysis, several metals (e.g., arsenic, barium, chromium, copper, nickel, lead, and zinc) were commonly found above their detection limits. Zinc was found to have the highest mean concentration of all metals measured (46.7 mg/kg), followed by copper (10.7 mg/kg) and barium (10.5mg/kg). The metal with the smallest mean concentration was arsenic (0.48 mg/kg). A small fraction of the total arsenic, barium, lead, and zinc leached in some samples using the SPLP; leached concentrations were relatively low. A few organic compounds (e.g., 4,4'-DDT, endrin, and endosulfan II) were detected in a limited number of samples. When the total and leaching results were compared to risk-based Florida soil cleanup target levels and groundwater cleanup target levels, the street sweepings were not found to pose a significant human-health risk via direct exposure or groundwater contamination"
Keywords:Environmental Pollutants/*analysis *Environmental Restoration and Remediation Florida;
Notes:"MedlineJang, Yong-Chul Jain, Pradeep Tolaymat, Thabet Dubey, Brajesh Townsend, Timothy eng Research Support, Non-U.S. Gov't England 2009/10/06 J Environ Manage. 2009 Nov-Dec; 91(2):320-7. doi: 10.1016/j.jenvman.2009.08.018. Epub 2009 Oct 2"

 
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