Assessment of potential risk levels associated with U.S. Environmental Protection Agency reference values.
نویسندگان
چکیده
منابع مشابه
Assessment of potential risk levels associated with U.S. Environmental Protection Agency reference values.
The U.S. Environmental Protection Agency (U.S. EPA) generally uses reference doses (RfDs) or reference concentrations (RfCs) to assess risks from exposure to toxic substances for noncancer health end points. RfDs and RfCs are supposed to represent lifetime inhalation or ingestion exposure with minimal appreciable risk, but they do not include information about the estimated risk from exposures ...
متن کاملComparative assessment of carcinogenic risk of respiratory exposure to 1,3-Butadiene in a petrochemical industry by the US Environmental Protection Agency (USEPA) and Singapore Health Department methods
Introduction: 1,3-Butadiene is a carcinogenic compound that can be emitted to the atmosphere from several sources like petrochemical industry. One way to determine the level of carcinogenic and health effects of respiratory exposure to pollutants in the workplace is to use risk assessment methods. The aim of this study was to comparative assessment of carcinogenic risk of respiratory exposure t...
متن کاملHealth Risk Assessment of Some Heavy Metals in Groundwater Resources of Birjand Flood Plain Using Environmental Protection Agency (EPA) Model
Background & objectives: In general, contamination of drinking water sources by heavy metals can poses a serious threat to the living organism, especially human. Therefore, this research examines the concentration of some heavy metals in groundwater resources and their impact on consumer health. Methods: In this study, samples were collected from 17 wells in Birjand flood plain, in autumn of 2...
متن کاملPisces Conservation Ltd . Technical Evaluation of US Environmental Protection Agency
Contents INTROD UCTI ON 1 Backgro und 1 Analy tical and historical notes 1 2 LOCATION 3 Proposed delineation ofocean and estuarine areas 3 Proposed level of p rotection in estuarine and non-estuarine waters 4 The effects ofintakes within and outside the littoral zone 5 3 FLO\V AN D VO LUM E 7 Effects of volume p ump ed on fi sh impi ngement and entrainment 7 The choice of2 to 30 million gallons...
متن کاملAn Overview of Exposure Assessment Models Used by the US Environmental Protection Agency
Models are often used in addition to or in lieu of monitoring data to estimate environmental concentrations and exposures for use in risk assessments or epidemio logical studies, and to support regulatory standards and voluntary programmes (Jayjock et al., 2007; US EPA, 1989, 1992). The purpose of this chapter is to provide an overview of 35 models currently supported and used by the US EPA to...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Environmental Health Perspectives
سال: 2003
ISSN: 0091-6765,1552-9924
DOI: 10.1289/ehp.6185