Demonstration of spread-on peel-off consumer products for sampling surfaces contaminated with pesticides and chemical warfare agent signatures

被引：7

作者：

Behringer, Deborah L. ^{[1
]}

Smith, Deborah L. ^{[1
]}

Katona, Vanessa R. ^{[1
]}

Lewis, Alan T., Jr. ^{[1
]}

Hernon-Kenny, Laura A. ^{[1
]}

Crenshaw, Michael D. ^{[1
]}

机构：

[1] Battelle Mem Inst, CBRNE Def, Columbus, OH 43201 USA

来源：

FORENSIC SCIENCE INTERNATIONAL | 2014年 / 241卷

关键词：

Surface sampling; Chemical warfare agents; Pesticides; Latex body paint; Rubber cement; Building materials; VAPOR-PRESSURES;

D O I：

10.1016/j.forsciint.2014.04.030

中图分类号：

DF [法律]; D9 [法律]; R [医药、卫生];

学科分类号：

0301 ; 10 ;

摘要：

A terrorist attack using toxic chemicals is an international concern. The utility of rubber cement and latex body paint as spray-on/spread-on peel-off collection media for signatures attributable to pesticides and chemical warfare agents from interior building and public transportation surfaces two weeks post-deposition is demonstrated. The efficacy of these media to sample escalator handrail, stainless steel, vinyl upholstery fabric, and wood flooring is demonstrated for two pesticides and eight chemicals related to chemical warfare agents. The chemicals tested are nicotine, parathion, atropine, diisopropyl methylphosphonate, dimethyl methylphosphonate, dipinacolyl methylphosphonate, ethyl methylphosphonic acid, isopropyl methylphosphonic acid, methylphosphonic acid, and thiodiglycol. Amounts of each chemical found are generally greatest when latex body paint is used. Analytes with low volatility and containing an alkaline nitrogen or a sulfur atom (e.g., nicotine and parathion) usually are recovered to a greater extent than the neutral phosphonate diesters and acidic phosphonic acids (e.g., dimethyl methylphosphonate and ethyl methylphosphonic acid). (C) 2014 Elsevier Ireland Ltd. All rights reserved.

引用

页码：7 / 14

页数：8

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