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Monitoring peach harvest workers exposed to azinphosmethyl residues in Sutter County, California, 1991

Schneider, F ; Steenland, K ; Hernandez, B ; Wilson, B ; Krieger, R ; Spencer, J ; Margetich, S

Environmental health perspectives, 1994-06, Vol.102 (6/7), p.580-585 [Periódico revisado por pares]

United States: National Institute of Environmental Health Sciences. National Institutes of Health. Department of Health, Education and Welfare

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Título:
Monitoring peach harvest workers exposed to azinphosmethyl residues in Sutter County, California, 1991
Autor: Schneider, F ; Steenland, K ; Hernandez, B ; Wilson, B ; Krieger, R ; Spencer, J ; Margetich, S
Assuntos: ACETILCOLINESTERASA ; ACETYLCHOLINESTERASE ; AGRICULTURAL WORKERS ; AZINFOS METIL ; AZINPHOS METHYL ; biological monitoring ; CALIFORNIA ; CALIFORNIE ; Chemical hazards ; CHOLINESTERASE ; COLINESTERASA ; CONTROLE CONTINU ; COSECHA ; DURAZNO ; Environmental assessment ; EXPOSURE ; FARM WORKERS ; HARVESTING ; INDUMENTARIA DE PROTECCION ; Leaves ; METABOLITE ; METABOLITES ; METABOLITOS ; MONITORING ; OBREROS AGRICOLAS ; Orchards ; ORINA ; OUVRIER AGRICOLE ; Pain ; PEACHES ; PEAU ; PECHE (FRUIT) ; PESTICIDE ; PESTICIDES ; Phosphates ; PIEL (ANIMAL) ; PLAGUICIDAS ; PROTECTIVE CLOTHING ; RECOLTE ; RESIDU ; RESIDUES ; RESIDUOS ; SAFETY AT WORK ; SECURITE DU TRAVAIL ; SEGURIDAD EN EL TRABAJO ; SKIN ; T tests ; URINE ; VETEMENT DE PROTECTION ; VIGILANCIA
É parte de: Environmental health perspectives, 1994-06, Vol.102 (6/7), p.580-585
Notas: E50
T10
9503063
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Descrição: Peach harvest workers were evaluated for exposure to azinphosmethyl residues by measuring foliar residues, urinary alkylphosphate metabolites, butyrylcholinesterase (BChE), acetylcholinesterase (AChE), and dermal residues using clothing and skin washes. Workers entered orchards 51 days after application and worked in treated fields for 10 of the next 17 days. Dislodgeable foliar residues ranged from 0.82 to 1.72 μg/cm² and did not change significantly over the study period. Combined mean dermal exposure for the 3 consecutive monitoring days was 32 mg and ranged from 17.9 to 60.5 mg. Overall mean excretion levels for the 5 monitoring days were 1.7 mg dimethylphosphate and 1.9 mg dimethlythiophosphate. There was no significant difference in BChE between the exposed harvesters and minimally exposed sorters. The exposed group had significantly lower AChE values than the sorters for 2 post-exposure blood draws by three testing methods, while no significant difference was found for the pre-exposure blood draw. The AChE values for the post-exposure blood samples for the exposed workers decreased significantly about 10-20% over the 3-week exposure period but increased or remained constant for the sorters. Urinary metabolite excretion increased with continuous exposure and was inversely correlated with both AChE and BChE but was not correlated with dermal exposure measurements. High correlations were generally observed between AChE measurements taken in the field using a new spectrophotometric kit and laboratory AChE measurements.
Editor: United States: National Institute of Environmental Health Sciences. National Institutes of Health. Department of Health, Education and Welfare
Idioma: Inglês

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Monitoring peach harvest workers exposed to azinphosmethyl residues in Sutter County, California, 1991

Schneider, F ; Steenland, K ; Hernandez, B ; Wilson, B ; Krieger, R ; Spencer, J ; Margetich, S

United States: National Institute of Environmental Health Sciences. National Institutes of Health. Department of Health, Education and Welfare

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