Global HCH usage with 1 degrees x1 degrees longitude/latitude resolution

被引：143

作者：

Li, YF ^{[1
]}

McMillan, A ^{[1
]}

Scholtz, MT ^{[1
]}

机构：

[1] ORTECH,MISSISSAUGA,ON L5K 1B3,CANADA

来源：

ENVIRONMENTAL SCIENCE & TECHNOLOGY | 1996年 / 30卷 / 12期

关键词：

D O I：

10.1021/es960312v

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The global usage of technical HCH and lindane in 1980 and 1990 are presented. The total global usage for technical HCH was estimated to be 40 000 t in 1980 and 29 000 t in 1990, and for lindane it was 5900 t in 1980 and 4000 t in 1990. Based on these data, the global usage of both alpha-HCH and gamma-HCH were calculated. The total usage of alpha-HCH was around 28 000 t in 1980 and 20 400 t in 1990, while the total usage of gamma-HCH was around 11 900 t in 1980 and 8400 t in 1990. The ratio of gamma-HCH to alpha-HCH was 0.43 in 1980 and 0.41 in 1990. The usage data on countries are then mapped to a grid system with 1 degrees x 1 degrees longitude/latitude resolution to be useful for modeling. It is suggested that banning usage of technical HCH by a number of countries, such as China in the early 1980s and the former Soviet Union in the beginning of 1990s, may contribute to the decline of the atmospheric concentrations of both alpha-HCH and gamma-HCH in 1992-1993. While many countries banned use of technical HCH in 1980s, lindane was still used by many countries around world in 1990.

引用

页码：3525 / 3533

页数：9

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