Research Topics
| R A FenskeSummaryAffiliation: University of Washington Country: USA Publications
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Publications
Assessment of organophosphorous pesticide exposures in the diets of preschool children in Washington StateRichard A Fenske
Department of Environmental Health, University of Washington, Box 357234, Seattle 98195 7234, USA
J Expo Anal Environ Epidemiol 12:21-8. 2002..7 microg/kg/day was exceeded by one subject during one sampling event. This subject's cumulative daily dose of chlorpyrifos equivalents was estimated to be 2.5 microg/kg/day...- Strategies for assessing children's organophosphorus pesticide exposures in agricultural communitiesR A Fenske
Department of Environmental Health and Pacific Northwest Agricultural Safety and Health Center, School of Public Health and Community Medicine, University of Washington, Seattle 98195, USA
J Expo Anal Environ Epidemiol 10:662-71. 2000..Current studies include a community-based intervention to reduce parental transfer of pesticides from the workplace, and a systematic investigation of the role of agricultural spray drift in children's exposure to pesticides... 
Biologic monitoring to characterize organophosphorus pesticide exposure among children and workers: an analysis of recent studies in Washington StateRichard A Fenske
Department of Environmental and Occupational Health Sciences, School of Public Health and Community Medicine, University of Washington, Seattle, Washington 98195 7234, USA
Environ Health Perspect 113:1651-7. 2005..We surmise that differences in dietary exposure can explain the similar exposures observed among farmworker children, children living in the Seattle metropolitan area, and children sampled nationally...- The effect of the 14-day agricultural restricted entry interval on azinphosmethyl exposures in a group of apple thinners in Washington stateRichard A Fenske
Department of Environmental and Occupational Health Sciences, School of Public Health and Community Medicine, University of Washington, Seattle, WA 98195 7234, USA
Regul Toxicol Pharmacol 38:91-7. 2003..We conclude that the 14-day restricted entry interval provides an appropriate level of worker health protection under the field conditions studied... - Fluorescent tracer evaluation of chemical protective clothing during pesticide applications in central Florida citrus grovesR A Fenske
Pacific Northwest Agricultural Safety and Health Center, Department of Environmental Health, University of Washington, Seattle 98195, USA
J Agric Saf Health 8:319-31. 2002..Workers conducting airblast applications would be better protected by closed cab systems or any technology that places an effective barrier between the worker and the pesticide spray... - Health and safety hazards in Northwest agriculture: setting an occupational research agendaRichard A Fenske
Department of Environmental Health, Pacific Northwest Agricultural Safety and Health Center, School of Public Health and Community Medicine, University of Washington, Seattle, Washington 98195, USA
Am J Ind Med . 2002..The determination of research priorities can be problematic. Public participation approaches offer opportunities to identify and integrate various perspectives... 
New technologies and worker safety in western agricultureRichard A Fenske
Pacific Northwest Agricultural Safety and Health Center, School of Public Health, University of Washington, Seattle, Washington 98195, USA
J Agromedicine 14:417-20. 2009..Occupational safety and health research will need to adapt to and keep pace with rapid changes in agricultural production processes...- Children's exposure to chlorpyrifos and parathion in an agricultural community in central Washington StateRichard A Fenske
Department of Environmental Health, School of Public Health and Community Medicine, University of Washington, Seattle 98195 7234, USA
Environ Health Perspect 110:549-53. 2002..Parathion concentrations in house dust decreased 10-fold from 1992 to 1995, consistent with the discontinued use of this product in the region in the early 1990s... - For good measure: Origins and prospects of exposure science (2007 Wesolowski Award Lecture)Richard A Fenske
Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, 98195, USA
J Expo Sci Environ Epidemiol 20:493-502. 2010..Exposure science has a critical role to play in the prevention strategy that is central to public health... - State-of-the-art measurement of agricultural pesticide exposuresRichard A Fenske
Department of Environmental and Occupational Health Sciences, School of Public Health and Community Medicine, University of Washington, Seattle, Washington 98195 7234, USA
Scand J Work Environ Health 31:67-73; discussion 63-5. 2005..Biological monitoring can help to characterize exposure pathways in agricultural communities... - Biologically based pesticide dose estimates for children in an agricultural communityR A Fenske
Department of Environmental Health, School of Public Health and Community Medicine, University of Washington, Seattle, Washington 98195, USA
Environ Health Perspect 108:515-20. 2000..They also demonstrate that biologically based exposure measures can provide data for health risk evaluations in such populations... - Pesticide exposure of children in an agricultural community: evidence of household proximity to farmland and take home exposure pathwaysC Lu
Department of Environmental Health, School of Public Health and Community Medicine, University of Washington, Seattle, Washington 98195 7234, USA
Environ Res 84:290-302. 2000..These findings indicate that children living with parents who work with agricultural pesticides, or who live in proximity to pesticide-treated farmland, have higher exposures than do other children living in the same community.. - Impact of dermal absorption factors in occupational exposure assessment: comparison of two models for agricultural reentry workers exposed to azinphosmethylE M Doran
School of Public Health and Community Medicine, University of Washington, Seattle, Washington, USA
Appl Occup Environ Hyg 18:669-77. 2003..01). Thus, time-integrated treatment of absorption appeared to provide more realistic dose estimates than did the traditional approach... - Biological monitoring of organophosphorus pesticide exposure among children of agricultural workers in central Washington StateC Loewenherz
Department of Environmental Health, University of Washington, Seattle, WA 98195, USA
Environ Health Perspect 105:1344-53. 1997..It is unlikely that any of the observed exposures posed a hazard of acute intoxication. This study points to the need for a more detailed understanding of pesticide exposure pathways for children of agricultural workers... - Biological monitoring survey of organophosphorus pesticide exposure among pre-school children in the Seattle metropolitan areaC Lu
Department of Environmental Health, University of Washington, Seattle, WA 9819507234, USA
Environ Health Perspect 109:299-303. 2001..It is unlikely that these exposure levels would cause acute intoxication, but the long-term health effects of such exposures are unknown. We recommend that OP pesticide use be avoided in areas where children are likely to play... - Residential arsenic and lead levels in an agricultural community with a history of lead arsenate useSarah Wolz
Department of Environmental Health, School of Public Health and Community Medicine, Health Sciences Building, Room F-233, University of Washington, Box 357234, Seattle, WA 98195-7234, USA
Environ Res 93:293-300. 2003..None of the measured lead levels exceeded current US Environmental Protection Agency guidelines. Public health education programs focused on residential hygiene would be of value in areas of historic PbHAsO4 use... - Dermal transfer of chlorpyrifos residues from residential surfaces: comparison of hand press, hand drag, wipe, and polyurethane foam roller measurements after broadcast and aerosol pesticide applicationsC Lu
Department of Environmental Health, School of Public Health and Community Medicine, University of Washington, Seattle, Washington 98195 7234, USA
Environ Health Perspect 107:463-7. 1999..Although this paper focuses on quantifying residue transfer from surface to skin using different surface sampling techniques, no attempt is made to quantify the amount of chlorpyrifos residue that is subsequently absorbed... - Temporal association of children's pesticide exposure and agricultural spraying: report of a longitudinal biological monitoring studyDenise Koch
Department of Environmental Health, School of Public Health and Community Medicine, University of Washington, Seattle, Washington, USA
Environ Health Perspect 110:829-33. 2002.... - The Washington aerial spray drift study: children's exposure to methamidophos in an agricultural community following fixed-wing aircraft applicationsSarah Weppner
Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, Washington 98195-7234, USA
J Expo Sci Environ Epidemiol 16:387-96. 2006..The association of metabolite levels with time spent outside, and the absence of methamidophos in homes indicates that children's exposures occurred primarily outdoors... - Organophosphate pesticide metabolite levels in pre-school children in an agricultural community: within- and between-child variability in a longitudinal studyW Griffith
Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, WA 98195 7234, USA
Environ Res 111:751-6. 2011.... - Para niños saludables: a community intervention trial to reduce organophosphate pesticide exposure in children of farmworkersBeti Thompson
Cancer Prevention Program, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
Environ Health Perspect 116:687-94. 2008..Exposure to organophosphate (OP) pesticides is an occupational hazard for farmworkers and affects their children through the take-home pathway... - Occupational determinants of serum cholinesterase inhibition among organophosphate-exposed agricultural pesticide handlers in Washington StateJonathan N Hofmann
Department of Epidemiology, University of Washington, Seattle, Washington, USA
Occup Environ Med 67:375-86. 2010..To identify potential risk factors for serum cholinesterase (BuChE) inhibition among agricultural pesticide handlers exposed to organophosphate (OP) and N-methyl-carbamate (CB) insecticides... - Mechanisms underlying Children's susceptibility to environmental toxicantsE M Faustman
Center for Child Environmental Health Risks Research, University of Washington, Seattle, Washington 98105 6099, USA
Environ Health Perspect 108:13-21. 2000..The final section discusses the importance of putting these considerations of children's susceptibility into an overall framework for ascertaining relevancy for human risk assessment... - Evaluation of a clinic-based cholinesterase test kit for the Washington State Cholinesterase Monitoring ProgramJonathan N Hofmann
Department of Epidemiology, University of Washington, Seattle, Washington 98195 7236, USA
Am J Ind Med 51:532-8. 2008..In this study we explored the option of on-site testing at local clinics using the EQM Test-mate Kittrade mark, a portable cholinesterase test kit... - Children's inhalation exposure to methamidophos from sprayed potato fields in Washington State: exploring the use of probabilistic modeling of meteorological data in exposure assessmentJaya Ramaprasad
Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, Washington 98195 7234, USA
J Expo Sci Environ Epidemiol 19:613-23. 2009..However, this study did not consider any pathway of exposure other than inhalation (e.g. diet, dermal, etc.) and the risk assessment should be evaluated in that context... - Pacific Northwest health professionals survey on pesticides and childrenCatherine Karr
Department of Pediatrics, University of Washington, Seattle, WA 98104 9739, USA
J Agromedicine 11:113-20. 2006..This key informant survey indicates an important pesticide training gap among health care workers serving children at high risk of pesticide exposure... - Organophosphorus pesticide exposure of urban and suburban preschool children with organic and conventional dietsCynthia L Curl
Department of Environmental Health, School of Public Health and Community Medicine, University of Washington, Seattle, Washington, USA
Environ Health Perspect 111:377-82. 2003..Consumption of organic produce appears to provide a relatively simple way for parents to reduce their children's exposure to OP pesticides... - Noninvasive method for the assessment of dermal uptake of pesticides using attenuated total reflectance infrared spectroscopyAngela Carden
University of Washington, Department of Environmental and Occupational Health Sciences, Seattle, Washington 98195, USA
Appl Spectrosc 59:293-9. 2005.... - Size exclusion chromatographic cleanup for GC/MS determination of organophosphorus pesticide residues in household and vehicle dustThomas F Moate
University of Washington, Environmental Health Laboratory, Seattle 98195 7234, USA
J AOAC Int 85:36-43. 2002..5-110.8 +/- 4.9-19.6% over a fortification range of 0.20-10.00 microg/g. This optimized, automated, and reproducible SEC method does not require further treatment or cleanup for trace determination of these organophosphorus pesticides... - Evaluation of take-home organophosphorus pesticide exposure among agricultural workers and their childrenCynthia L Curl
Department of Environmental Health, School of Public Health and Community Medicine, University of Washington, Seattle 98195, USA
Environ Health Perspect 110:A787-92. 2002..The results of this work support the hypothesis that the take-home exposure pathway contributes to residential pesticide contamination in agricultural homes where young children are present... - Time-location analysis for exposure assessment studies of children using a novel global positioning system instrumentKai Elgethun
Department of Environmental Health, School of Public Health and Community Medicine, University of Washington, Seattle, Washington, USA
Environ Health Perspect 111:115-22. 2003..Durability of the wiring was improved early in the study to correct breakage problems. The use of GPS technology offers a new level of accuracy for direct quantification of time-location activity patterns in exposure assessment studies... - Multipathway organophosphorus pesticide exposures of preschool children living in agricultural and nonagricultural communitiesChensheng Lu
Department of Environmental and Occupational Health Sciences, School of Public Health and Community Medicine, University of Washington, Box 357234, Health Sciences Building, Room F 225A, Seattle, WA 98195, USA
Environ Res 96:283-9. 2004..Quantifiable chlorpyrifos and azinphosmethyl were found on either agricultural children's hands or their toys. These findings suggest different exposure pathways for children living in agricultural and nonagricultural regions... - Lessons learned for the assessment of children's pesticide exposure: critical sampling and analytical issues for future studiesRichard A Fenske
Department of Environmental and Occupational Health Sciences, School of Public Health and Community Medicine, University of Washington, Seattle, Washington, USA
Environ Health Perspect 113:1455-62. 2005..Saliva measurements of pesticides, if feasible, would overcome the limitations of urinary metabolite-based exposure analysis. Global positioning system technology appears promising in the delineation of children's time-location patterns... - Comparison of organophosphorus pesticide metabolite levels in single and multiple daily urine samples collected from preschool children in Washington StateJohn C Kissel
Department of Environmental and Occupational Health Sciences, School of Public Health and Community Medicine, University of Washington, Seattle, Washington 98195, USA
J Expo Anal Environ Epidemiol 15:164-71. 2005..The results of this analysis suggest that if spot sampling is to be conducted as part of a biological monitoring study, first morning void samples should be preferentially collected... - Pesticide take-home pathway among children of agricultural workers: study design, methods, and baseline findingsBeti Thompson
Cancer Prevention Research Program, Fred Hutchinson Cancer Research Center, Department of Health Services, School of Public Health and Community Medicine, University of Washington, Seattle, WA, USA
J Occup Environ Med 45:42-53. 2003..The results support the take-home pathway of pesticide exposure. Ways must be found to reduce this pesticide exposure among children of farmworkers... - Serum cholinesterase inhibition in relation to paraoxonase-1 (PON1) status among organophosphate-exposed agricultural pesticide handlersJonathan N Hofmann
Department of Epidemiology, University of Washington, Seattle, Washington, USA
Environ Health Perspect 117:1402-8. 2009..However, few human studies have investigated associations between PON1 status and intermediate end points, such as serum cholinesterase [butyrylcholinesterase (BuChE)] inhibition, among OP-exposed individuals... - Biological monitoring of pesticide exposures among applicators and their children in NicaraguaTeresa Rodriguez
Programa de Salud Ocupacional y Ambiental, Universidad Nacional Autonoma de Nicaragua, Leon
Int J Occup Environ Health 12:312-20. 2006.... - Comparison of global positioning system (GPS) tracking and parent-report diaries to characterize children's time-location patternsKai Elgethun
Department of Geography and School of Rural Public Health, Texas A and M University, College Station, TX 77843 3147, USA
J Expo Sci Environ Epidemiol 17:196-206. 2007..It is concluded that automated GPS tracking measurements can improve the quality and collection efficiency of time-location data in exposure assessment studies, albeit for small cohorts... - Organic diets significantly lower children's dietary exposure to organophosphorus pesticidesChensheng Lu
Department of Environmental and Occupational Health, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
Environ Health Perspect 114:260-3. 2006..To our knowledge, this is the first study to employ a longitudinal design with a dietary intervention to assess children's exposure to pesticides. It provides new and persuasive evidence of the effectiveness of this intervention... - Agricultural task not predictive of children's exposure to OP pesticidesRichard A Fenske
Environ Health Perspect 112:A865-6; author reply A866. 2004 - The assessment of occupational exposure to diazinon in Nicaraguan plantation workers using saliva biomonitoringChensheng Lu
Department of Environmental and Occupational Health, Rollins School of Public Health, Emory University, Atlanta, GA 30322, USA
Ann N Y Acad Sci 1076:355-65. 2006..Regardless, this article has demonstrated that saliva can be used to assess exposures to diazinon in pesticide applicators and children... - Incorporating health and ecologic costs into agricultural productionRichard A Fenske
Environ Health Perspect 110:A228-9. 2002
Research Grants
- OPTICAL ASSESSMENT OF DERMAL EXPOSURE AND ABSORPTIONRichard Fenske; Fiscal Year: 2002....