The EL sampler: a press sampler for the quantitative estimation of dermal exposure to pesticides in housedust

被引:43
作者
Edwards, RD [1 ]
Lioy, PJ [1 ]
机构
[1] Rutgers State Univ, Joint Grad Program Exposure Measurement & Assessm, Piscataway, NJ 08854 USA
来源
JOURNAL OF EXPOSURE ANALYSIS AND ENVIRONMENTAL EPIDEMIOLOGY | 1999年 / 9卷 / 05期
关键词
dermal uptake; hand adhesion; particle size; pesticides; press sampler;
D O I
10.1038/sj.jea.7500048
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Indirect sampling techniques to estimate dermal exposure to pesticides on housedust-laden indoor surfaces should demonstrate collection efficiencies, for both particles and pesticide residues, which are similar to those that would adhere to the human skin. A spring-loaded press sampler has been developed that approximated the particle- and pesticide-collection efficiencies of a hand press of a human participant. Particle-collection efficiencies for the hand press and EL sampler, using housedust sieved to <250 mu m in diameter, indicated that both sampling techniques collected similar particle fractions over the range of particle sizes. pesticide-collection efficiencies measured on the participants hand (seven paired tests) were 42+/-7% atrazine, 29+/-8% diazinon, 43+/-8% malathion and 21+/-5% chlorpyrifos. The EL sampler collected 35+/-5%, 31+/-3%, 32+/-5% and 18+/-3% respectively. The collection efficiencies of the two sampling techniques were highly correlated for atrazine, diazinon, and chlorpyrifos (correlation coefficient=0.840, 0.815, and 0.706), but not for malathion (correlation coefficient=0.086).
引用
收藏
页码:521 / 529
页数:9
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