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Determinants of Short-Term Exposure to Trihalomethanes in the Household

EPA Grant Number: U915551
Title: Determinants of Short-Term Exposure to Trihalomethanes in the Household
Investigators: Miles, Amy M.
Institution: University of North Carolina at Chapel Hill
EPA Project Officer: Thompson, Delores
Project Period: August 1, 1999 through August 1, 2002
Project Amount: $102,000
RFA: STAR Graduate Fellowships (1999)
Research Category: Academic Fellowships , Fellowship - Civil/Environmental Engineering , Engineering and Environmental Chemistry

Description:

Objective:

The objective of this research project is to determine the water-use activities and physical factors that dominate trihalomethane (THM) concentrations in the blood.

Approach:

Methods will include: (1) establishing the relative contributions of residential water-use activities to THM concentrations in the blood through a controlled exposure experiment; (2) examining the effect of variability in water-use activities (i.e., water temperature, duration, and flow rate) on indoor-air concentrations and exposure; (3) measuring the concentrations of THM in indoor air and comparing the distribution of THMs to that measured in tap water; and (4) characterizing volatilization from sources other than showers and validating an existing indoor-air model.

Supplemental Keywords:

fellowship, trihalomethanes, blood, residential exposure, biomarkers, tap water use, halogenated organics. , HUMAN HEALTH, ENVIRONMENTAL MANAGEMENT, Water, Air, Scientific Discipline, Health, RFA, PHYSICAL ASPECTS, Air Pollution Monitoring, Risk Assessment, Drinking Water, indoor air, Risk Assessments, Health Risk Assessment, Physical Processes, Epidemiology, air toxics, Chemistry, Environmental Chemistry, Exposure, drinking water system, drinking water contaminants, exposure assessment, treatment, exposure and effects, indoor air quality, inhalation, metabolism, DBP exposure, air quality, chloramines, chlorine-based disinfection, human health risk, monitoring, chemical byproducts, disinfection byproducts (DPBs), human health effects, DBP effects, dose response, public water systems, trihalomethanes, residential water usage, household, indoor air chemistry, community water system, dermal exposure

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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoints of the principal investigator and may not represent the views and policies of ORD and EPA. Conclusions drawn by the principal investigators have not been reviewed by the Agency.

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