title: Organochlorine pesticide levels in blood serum samples taken at autopsy from auto accident victims in Veracruz, Mexico.
abstract: Samples of human blood sera (N = 118) for the determination of organochlorine pesticide levels were obtained at autopsy from auto accident victims in Veracruz, Mexico, during the years 2000 and 2001. The presence of hexachlorobenzene (HCH), beta-hexachlorocyclohexane (beta-HCH), 2,2-bis(p-chlorophenyl)-1,1-dichloroethylene (p,p'-DDE), 1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane (p,p'-DDT), and o,p'-DDT was confirmed by gas-liquid-electron-capture detection chromatography. During the years 2000 and 2001, the respective mean levels of (a) HCB, (b) beta-HCH, (c) p,p'-DDE, (d) o,p'-DDT, (e) p,p'-DDT, and (f) total DDT were (a) 2.1 ng/ml and 1.4 ng/ml, (b) 3.0 ng/ml and 3.6 ng/ml, (c) 21.1 ng/ml and 23.8 ng/ml, (d) 1.2 ng/ml and 0.8 ng/ml, (e) 3.3 ng/ml and 2.5 ng/ml, and, finally, (f) 25.4 ng/ml and 27.1 ng/ml, respectively. High levels of persistent organochlorine pesticides were--and continue to be--present in the blood of individuals who live in Mexico. Levels of insecticide metabolites (e.g., beta-HCH, p,p'-DDE) in blood have increased during recent years (1997-2001), but levels of p,p'-DDT decreased in 2001 because the use of DDT for the control of malaria in Mexico was restricted.
authors.affiliation: Institute of Forensic Medicine, University of Veracruz, Mexico. swal@uv.mx
authors.forename: Stefan M
authors.initials: SM
authors.lastname: Waliszewski
authors.forename: Octavio
authors.initials: O
authors.lastname: Carvajal
authors.forename: Rosa M
authors.initials: RM
authors.lastname: Infanzón
authors.forename: Sandra
authors.initials: S
authors.lastname: Gómez-Arroyo
authors.forename: Rafael
authors.initials: R
authors.lastname: Villalobos-Pietrini
authors.forename: Patricia
authors.initials: P
authors.lastname: Trujillo
authors.forename: Mary Maxwell
authors.initials: MM
authors.lastname: Hart
mesh_terms: D000063:Accidents, Traffic; D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006306:Health Surveys; D006801:Humans; D006843:Hydrocarbons, Chlorinated / Q000097:blood*; D008297:Male; D008800:Mexico; D008875:Middle Aged; D010575:Pesticides / Q000097:blood*
chemical_list: D006843:Hydrocarbons, Chlorinated; D010575:Pesticides