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Determination of Parent and Hydroxy PAHs in Personal PM₂.₅ and Urine Samples Collected During Native American Fish Smoking Activities Public Deposited

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  • A method was developed for the measurement of 19 parent PAHs (PAHs) and 34 hydroxylated PAHs (OH-PAHs) in urine and personal air samples of particulate matter less than 2.5 um in diameter (PM[subscript 2.5]) using GC-MS and validated using NIST SRM 3672 (Organic Contaminants in Smoker’s Urine) and SRM 3673 (Organic Contaminants in Nonsmoker’s Urine). The method was used to measure PAHs and OH-PAHs in urine and personal PM[subscript 2.5] samples collected from the operators of two different fish smoking facilities (tipi and smoke shed) burning two different wood types (alder and apple) on the Confederated Tribes of Umatilla Indian Reservation (CTUIR) while they smoked salmon. Urine samples were spiked with β-glucuronidase/arylsulfatase to hydrolyze the conjugates of OH-PAHs and the PAHs and OHPAHs were extracted using Plexa and C18 solid phases, in series. The 34 OH-PAHs were derivatized using MTBSTFA, and the mixture was measured by GC-MS. The personal PM[subscript 2.5] samples were extracted using pressurized liquid extraction, derivatized with MTBSTFA and analyzed by GC-MS for PAHs and OH-PAHs. Fourteen isotopically labeled surrogates were added to accurately quantify PAHs and OH-PAHs in the urine and PM[subscript 2.5] samples and three isotopically labeled internal standards were used to calculate the recovery of the surrogates. Estimated detection limits in urine ranged from 6.0 to 181 pg/ml for OH-PAHs and from 3.0 to 90 pg/ml for PAHs, and, in PM[subscript 2.5], they ranged from 5.2 to 155 pg/m³ for OH-PAHs and from 2.5 to 77 pg/m³ for PAHs. The results showed an increase in OH-PAH concentrations in urine after 6 hours of fish smoking and an increase in PAH concentrations in air within each smoking facility. In general, the PAH exposure in the smoke shed was higher than in the tipi and the PAH exposure from burning apple wood was higher than burning alder.
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  • Motorykin, O., Schrlau, J., Jia, Y., Harper, B., Harris, S., Harding, A., ... & Simonich, S. L. M. (2015). Determination of parent and hydroxy PAHs in personal PM₂.₅ and urine samples collected during Native American fish smoking activities. Science of The Total Environment, 505, 694-703. doi:10.1016/j.scitotenv.2014.10.051
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  • 505
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  • This publication was made possible in part by grant number P30ES00210 from the NationalInstitute of Environmental Health Sciences (NIEHS), NIH and NIEHS Grant P42 ES016465.
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  • description.provenance : Approved for entry into archive by Erin Clark(erin.clark@oregonstate.edu) on 2014-10-21T17:17:19Z (GMT) No. of bitstreams: 2 MotorykinOleksiiChemistryDeterminationParentHydroxy.pdf: 1152259 bytes, checksum: 4fb03e1511c0446d534ffd2ff2f54c3d (MD5) MotorykinOleksiiChemistryDeterminationParentHydroxy_SupportingInformation.pdf: 547202 bytes, checksum: 20c33f2d86ffb8caec618037a3ba1f2e (MD5)
  • description.provenance : Submitted by Erin Clark (erin.clark@oregonstate.edu) on 2014-10-21T17:15:35Z No. of bitstreams: 2 MotorykinOleksiiChemistryDeterminationParentHydroxy.pdf: 1152259 bytes, checksum: 4fb03e1511c0446d534ffd2ff2f54c3d (MD5) MotorykinOleksiiChemistryDeterminationParentHydroxy_SupportingInformation.pdf: 547202 bytes, checksum: 20c33f2d86ffb8caec618037a3ba1f2e (MD5)
  • description.provenance : Made available in DSpace on 2014-10-21T17:17:19Z (GMT). No. of bitstreams: 2 MotorykinOleksiiChemistryDeterminationParentHydroxy.pdf: 1152259 bytes, checksum: 4fb03e1511c0446d534ffd2ff2f54c3d (MD5) MotorykinOleksiiChemistryDeterminationParentHydroxy_SupportingInformation.pdf: 547202 bytes, checksum: 20c33f2d86ffb8caec618037a3ba1f2e (MD5)

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