Search Results - "Krieger, R. I."

Perchlorate and Nitrate in Leafy Vegetables of North America by Sanchez, C. A, Crump, K. S, Krieger, R. I, Khandaker, N. R, Gibbs, J. P

“…In previous studies trace levels of perchlorate were found in lettuce (Lactuca sativa L.) irrigated with Colorado River water, which is contaminated with low…”
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Postapplication Fipronil Exposure Following Use on Pets by Cochran, R. C., Yu, Liu, Krieger, R. I., Ross, J. H.

“…Fipronil is a pyrazole acaricide and insecticide that may be used for insect, tick, lice, and mite control on pets. Residents' short-term and long-term…”
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Accumulation and Perchlorate Exposure Potential of Lettuce Produced in the Lower Colorado River Region by Sanchez, C. A, Krieger, R. I, Khandaker, N, Moore, R. C, Holts, K. C, Neidel, L. L

“…The Colorado River is contaminated with perchlorate concentrations of 1.5−8 μg/L, an anion linked to thyroid dysfunction. Over 90% of the lettuce (Lactuca…”
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Perchlorate in the Feed−Dairy Continuum of the Southwestern United States by Sanchez, C. A, Blount, B. C, Valentin-Blasini, L, Lesch, S. M, Krieger, R. I

“…Perchlorate has the potential to cause thyroid dysfunction by inhibiting iodide uptake by the sodium iodide symporter. Perchlorate-contaminated waters may lead…”
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Potential perchlorate exposure from Citrus sp. irrigated with contaminated water by Sanchez, C.A., Krieger, R.I., Khandaker, N.R., Valentin-Blasini, L., Blount, B.C.

“…Citrus produced in the southwestern United States is often irrigated with perchlorate-contaminated water. This irrigation water includes Colorado River water…”
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Perchlorate, Thiocyanate, and Nitrate in Edible Cole Crops (Brassica sp.) Produced in the Lower Colorado River Region by Sanchez, C. A, Blount, B. C, Valentin-Blasini, L, Krieger, R. I

“…The Colorado River is contaminated with low levels of perchlorate. Perchlorate has the potential to disrupt thyroid function by inhibiting the uptake of…”
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Hypochlorite Treatments are not a Significant Source of Perchlorate Exposure in Lettuce by Sanchez, C. A, Fonseca, J. M, Blount, B. C, Krieger, R. I

“…Leafy vegetables, such as lettuce (Lactuca sativa L), have been identified as a potential source of perchlorate exposure to humans. Perchlorate is of concern…”
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Malathion deposition, metabolite clearance, and cholinesterase status of date dusters and harvesters in California by Krieger, R.I, Dinoff, T.M

“…Date gardens in the Coachella Valley in California typically receive multiple treatments of malathion to control major insect pests. Variable amounts of…”
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Captan fungicide exposures of strawberry harvesters using THPI as a urinary biomarker by Krieger, R.I, Dinoff, T.M

“…Clothing affords harvesters considerable protection against the elements and can retain substantial amounts of pesticide residue from treated crops. Normal…”
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Implications of estimates of residential organophosphate exposure from dialkylphosphates (DAPs) and their relevance to risk by Krieger, R.I., Chen, L., Ginevan, M., Watkins, D., Cochran, R.C., Driver, J.H., Ross, J.H.

“…Recent epidemiological studies have claimed to associate a variety of toxicological effects of organophosphorus insecticides (OPs) and residential OP exposure…”
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Environmental residues and biomonitoring estimates of human insecticide exposure from treated residential turf by BERNARD, C. E, NUYGEN, H, TRUONG, D, KRIEGER, R. I

“…Intentional and unavoidable human exposure is a consequence of using pesticides to nurture and protect residential turf. Limited exposure studies have been…”
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Worker exposure to diazinon during flea control operations in response to a plague epizootic by Gerry, A.C, Zhang, X, Walker, T, Frederickson, S, Metzger, M, Hu, R, Krieger, R.I

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Urinary 3,5,6-trichloro-2-pyridinol levels of chlorpyrifos in Nicaraguan applicators and small farm families by Dowling, K.C, Blanco R, L.E, Martinez M, I, Aragon B, A, Bernard, C.E, Krieger, R.I

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Influence of moisture on chemical transferability from a nylon carpet by WILLIAMS, R. L, BERNARD, C. E, KRIEGER, R. I

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Pesticide exposure assessment by Krieger, Robert I.

“…Unintended, accidental, or unavoidable human exposures may result from pesticide use. Risk Characterization provides registrants, regulators, and the public a…”
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Transferable chlorpyrifos residue from turf grass and an empirical transfer coefficient for human exposure assessments by WILLIAMS, R. L, OLIVER, M. R, RIES, S. B, KRIEGER, R. I

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Reduction of pesticide residues of fruit using water only or plus fit fruit and vegetable wash by KRIEGER, R. I, BRUTSCHE-KEIPER, P, CROSBY, H. R, KRIEGER, A. D

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Child-like mannequin for observation and measurement of spray drift particle deposition for pesticide exposure assessment by WILLIAMS, R. L, BERNARD, C. E, KRIEGER, R. I

“…Child-like toy mannequins and a flat, alpha-cellulose paper were used to examine spray-drift particle deposition. A black airbrush paint was used to assess…”
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Stability studies on the cyanobacterial nicotinic alkaloid anatoxin-A by Stevens, D K, Krieger, R I

“…Anatoxin-a (ANTX-a) is a potent nicotinic cholinergic bicyclic secondary amine produced by some toxigenic strains of Anabaena spp. cyanobacteria (LD50 =…”
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Metabolism and excretion of dimethoate following ingestion of overtolerance peas and a bolus dose by Krieger, R I, Thongsinthusak, T

“…Data to guide an exposure assessment were obtained by giving sugar peas containing overtolerance dimethoate residues (17 ppm; 8% oxon) and a bolus dose of…”
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