Evaluation of several retrieval methods of ignitable liquid residues from concrete

ANYL 132

Christina Owen, Christina.Owen@merrimack.edu1, Gretchen Lajoie, gretchen.lajoie@maine.gov2, and Stephen M. Theberge, Stephen.Theberge@merrimack.edu1. (1) Department of Chemistry, Merrimack College, 315 Turnpike St, North Andover, MA 01845, (2) Forensic Chemistry Section, Maine State Police Crime Laboratory, 26 Hospital Street, Augusta, ME 04333-0133
This series of experiments was designed to assess and evaluate how differences in retrieval methods of ignitable liquid residues would produce variations in evidence processing for established and newer methods. The different methods combined various treatments of thermal desorption, solvent extraction, and absorption by activated charcoal. Samples were prepared using both ignited and un-ignited gasoline with varying absorption and desorption times. Results comparing the methods will be presented along with suggestions for future collection procedures.
 

General Posters
7:00 PM-9:00 PM, Sunday, August 19, 2007 BCEC -- Exhibit Hall - B2, Poster

Division of Analytical Chemistry

The 234th ACS National Meeting, Boston, MA, August 19-23, 2007