Biomonitoring and whole body cotton dosimetry to estimate potential human dermal exposure to semivolatile chemicals

Krieger, RI; Bernard, CE; Dinoff, TM; Fell, L; Osimitz, TG; Ross, JH; Ongsinthusak, T

HERO ID

1060443

Reference Type

Journal Article

Year

2000

Language

English

PMID

10703847

HERO ID 1060443
In Press No
Year 2000
Title Biomonitoring and whole body cotton dosimetry to estimate potential human dermal exposure to semivolatile chemicals
Authors Krieger, RI; Bernard, CE; Dinoff, TM; Fell, L; Osimitz, TG; Ross, JH; Ongsinthusak, T
Journal Journal of Exposure Analysis and Environmental Epidemiology
Volume 10
Issue 1
Page Numbers 50-57
Abstract Current methods of estimating absorbed dosage (AD) of chemicals were evaluated to determine residue transfer from a carpet treated with chlorpyrifos (CP) to humans who performed a structured exercise routine. To determine the dislodgeability of residue, a California Department of Food and Agriculture (CDFA) roller was applied to a flat cotton cloth upon a treated carpet. Levels ranged from 0.06 to 0.99 microg CP/cm2. Cotton whole body dosimeters (WBD) were also used to assess residue transfer. The dosimeters retained 1.5 to 38 mg CP/person. Urine biomonitoring (3 days) for 3,5,6-trichloro-2-pyridinol (TCP) of persons who wore only swimsuits revealed a mean AD of 176 microg CP equivalents/person. The results show that the AD depends on the extent of contact transfer and dermal absorption of the residue. Default exposure assessments based upon environmental levels of chemicals and hypothetical transport pathways predict excessive exposure. The cotton WBD retains chemical residues and may be effectively used to predict dermal dose under experimental conditions.
Doi 10.1038/sj.jea.7500072
Pmid 10703847
Wosid WOS:000087806600005
Is Certified Translation No
Dupe Override No
Is Public Yes
Language Text English