Identification of legacy and active sources of metal contamination in soils in Brooklyn, NY.
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2022/07/01
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English
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Description:The purpose of this study was to examine the spatial distribution and potential anthropogenic sources of lead (Pb), zinc (Zn), copper (Cu), manganese (Mn), and iron (Fe) in surface soils throughout Brooklyn, New York. We collected soil samples (n = 1,373) from 176 different New York City parks. Samples were analyzed ex-situ using a portable X-ray fluorescence with a subset of samples laboratory confirmed. The effect of multiple sources on concentrations were determined by multivariable linear regression with generalized estimating equations. Median concentrations of Pb, Zn, Cu, Fe, and Mn were 108 ppm, 145 ppm, 49 ppm, 14,034 ppm, and 279 ppm, respectively. All metals were significantly correlated with one another (p < 0.001), with the strength of the correlation ranging from a low of approximately rho = 0.3 (Pb-Mn and Zn-Mn) to a high of rho = 0.7 (Pb-Cu). In final multivariate modeling significant association were observed between scrap yards and Mn concentration (beta = 0.075, 0.019), National Priorities List (NPL) sites and Pb, Fe and Mn (beta = 0.134, p = 0.004; beta = 0.038, p = 0.014; beta = 0.057, p = 0.037, respectively), and bridges nearby and Pb and Zn (beta = 0.106, p = 0.003; beta = 0.076, p = 0.026, respectively). Although manufacturing and industry have mostly left the area, smaller scrap metal recyclers are abundant and associated with increased Cu and Mn soil concentrations. In addition, NPL sites contributed to increased concentrations of all five metals within 800 m. Roadways have long been established to be sources of urban pollution; however, in our study we also found the presence of bridges within 800 m were also strongly predictive of increased Pb, Cu, and Zn concentrations. [Description provided by NIOSH]
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ISSN:0090-4341
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Pages in Document:67-76
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Volume:83
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Issue:1
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NIOSHTIC Number:nn:20065488
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Citation:Arch Environ Contam Toxicol 2022 Jul; 83(1):67-76
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Contact Point Address:Brian Pavilonis, City University of New York Graduate School of Public Health and Health Policy, 55 W. 125th Street, New York, NY 10027, USA
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Email:brian.pavilonis@sph.cuny.edu
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CAS Registry Number:
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Federal Fiscal Year:2022
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Performing Organization:Mount Sinai School of Medicine
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Peer Reviewed:True
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Start Date:20050701
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Source Full Name:Archives of Environmental Contamination and Toxicology
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End Date:20270630
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Main Document Checksum:urn:sha-512:7e7b54006d2d1a4e19fac1435f6f00f0299800513b411d9fc7184bf4662375eb63d0573b1e81f6f5e45222692d447838167db882cf623a2a58cbcbd6697518c0
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English
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