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Extramural Research

Grantee Research Project Results

NCER Grantee Research Project Results

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: Jones, Brandon
Project Period: August 1, 1999 through August 1, 2002
Project Amount: $102,000
RFA: STAR Graduate Fellowships (1999)
Research Category: Academic Fellowships , Engineering and Environmental Chemistry , Fellowship - Civil/Environmental Engineering

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

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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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