SOURCES OF MUTAGENS IN CONTRA-COSTA-COUNTY COMMUNITY AEROSOLS DURING POLLUTION EPISODES - DIURNAL-VARIATIONS AND RELATIONS TO SOURCE EMISSIONS TRACERS

被引：8

作者：

FLESSEL, CP ^{[1
]}

GUIRGUIS, GN ^{[1
]}

CHENG, JC ^{[1
]}

CHANG, KI ^{[1
]}

HAHN, ES ^{[1
]}

TWISS, S ^{[1
]}

WESOLOWSKI, JJ ^{[1
]}

机构：

[1] CALIF DEPT HLTH SERV,AIR & IND HYG LAB,BERKELEY,CA 94704

来源：

ENVIRONMENT INTERNATIONAL | 1985年 / 11卷 / 2-4期

关键词：

AEROSOLS - Chemical Analysis - BACTERIOLOGY - Testing - HYDROCARBONS - ORGANIC COMPOUNDS;

D O I：

10.1016/0160-4120(85)90021-2

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This study measured the mutagenic activity of ambient aerosol extracts collected in Contra Costa County, CA, and quantitated a number of organic compounds which contribute to the mutagenicity. Solvent extracts of particulate organic matter (POM) were analyzed for mutagenic activity in the Ames Salmonella test and for polycyclic aromatic hydrocarbons (PAH) by high pressure liquid chromatography (HPLC) with fluorescence detection. Mutagenicity was found to be consistently and strongly associated with lead-containing fine particles, emitted primarily by gasoline-powered vehicles without catalysts. During a winter inversion, possible contributions to PAH from residential wood combustion were also noted.

引用

页码：293 / 301

页数：9

共 15 条

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