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provisional tolerable weekly intake

   Also found in: Acronyms 0.01 sec.
provisional tolerable weekly intake,
n the acceptable level of toxic metal that can be ingested on a weekly basis, as determined by the World Health Organization and the Food and Agriculture Organization. Also called
PTWI.
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The provisional tolerable weekly intake (PTWI) of lead has been set at 25 [micro]g/kg body weight for children [World Health Organization (WHO) 1993], equivalent to 3.
Lead contamination in cocoa and cocoa products: isotopic evidence of ... by Flegal, A. Russell / Environmental Health Perspectives
Sale levels of dietary intake, known as the provisional tolerable weekly intake (PTWI), have been established for Cd and Pb (World Health Organization 1989).
Evidence for concurrent effects of exposure to environmental cadmium ... by Moore, Michael R. / Environmental Health Perspectives
Further, such Cd-linked bone and kidney toxicities were observed in people whose dietary Cd intakes were well within the provisional tolerable weekly intake (PTWI) set by the Joint Food and Agriculture Organization/World Health Organization Expert Committee on Food Additives of 1 [micro]g/kg body weight/day or 70 [micro]g/day.
Adverse health effects of chronic exposure to low-level cadmium in ... by Moore, Michael R. / Environmental Health Perspectives
 
 
 
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