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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Non-Methane Hydrocarbon Source Apportionment and BTEX Risk Assessment of Winter 2015 in Roosevelt, Utah

Lamb, Jerimiah 01 December 2017 (has links)
Non-Methane Hydrocarbons (NMHC) monitored in Roosevelt Utah including Benzene, Toluene, Ethylbenzene and Xylene (collectively known as BTEX) are associated with deleterious effects including cancer. This study was designed to assess the origin and effect of the toxicants and addressed two points: 1) Source identification using the USEPA’s Positive Matrix Factorization (PMF) and NOAA’s Hybrid Single Particle Lagrangian Integrated Trajectory (HYSPLIT) model and 2) A human health risk assessment based on ambient concentrations of BTEX collected at the Roosevelt site. Model fit indicated that the primary contributor to total NMHCs was local oil and gas operations and was supported by previous assessments. Assessment of ambient BTEX concentrations was associated with slightly elevated carcinogenic risk.
non-methane
hydrocarbon
apportionment
BTEX
risk assessment
Winter 2015
Roosevelt
Utah
Climate
Plant Sciences
Soil Science

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