Urban-Soil Pedogenesis Drives Contrasting Legacies of Lead from Paint and Gasoline in City Soil

Urban-Soil Pedogenesis Drives Contrasting Legacies of Lead from Paint and Gasoline in City Soil

This study analyzed the impact of urban-soil pedogenesis on soil lead (Pb) contamination from paint and gasoline in the historic core of Durham, North Carolina. Total soil Pb in 1000 samples from streetsides, residential properties, and residual upland and floodplains ranged from 6 to 8825 mg/kg (me...

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Veröffentlicht in:Environmental science & technology 2021-06, Vol.55 (12), p.7981-7989
Hauptverfasser: Wade, Anna M, Richter, Daniel D, Craft, Christopher B, Bao, Nancy Y, Heine, Paul R, Osteen, Mary C, Tan, Kevin G
Format: Artikel
Sprache:eng
Schlagworte:
Accelerated erosion
Contaminants in Aquatic and Terrestrial Environments
Contamination
Engineering
Engineering, Environmental
Environmental Sciences
Environmental Sciences & Ecology
Floodplains
Gasoline
Impact analysis
Lead
Life Sciences & Biomedicine
Public health
Science & Technology
Sediment pollution
Soil analysis
Soil contamination
Soil erosion
Soil formation
Soil pollution
Soils
Technology
Traffic flow
Urban development
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Zusammenfassung:This study analyzed the impact of urban-soil pedogenesis on soil lead (Pb) contamination from paint and gasoline in the historic core of Durham, North Carolina. Total soil Pb in 1000 samples from streetsides, residential properties, and residual upland and floodplains ranged from 6 to 8825 mg/kg (mean = 211 mg/kg), with 50% of samples between 50 and 200 mg/kg soil Pb. The highest Pb concentrations were within 1 m of pre-1978 residential foundations, with concentrations inversely correlated with house age. Streetside soil Pb concentrations were elevated over the geologic background of
ISSN:0013-936X
1520-5851
DOI:10.1021/acs.est.1c00546