Time tendency of organochlorine pesticide residues in cow's milk from agricultural region of Veracruz (Mexico)

被引:0
|
作者
Waliszewski, SM [1 ]
Pardio, VT [1 ]
Waliszewski, KN [1 ]
Chantiri, JN [1 ]
Aguirre, AA [1 ]
Infanzon, RM [1 ]
Rivera, J [1 ]
机构
[1] Univ Veracruzana, Inst Med Forense, Lab Invest Plaguicidas, Boca Del Rio 91950, Veracruz, Mexico
来源
FRESENIUS ENVIRONMENTAL BULLETIN | 1998年 / 7卷 / 3-4期
关键词
organochlorine pesticides; cow's milk;
D O I
暂无
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Organochlorine pesticide levels in 150 cow's milk samples collected from a central agrarian region of Veracruz State during 1996 were determined. p,p'-DDE was detected in all samples with a mean level of 0.053 mg/kg, beta-HCH was found in 99% of the samples analyzed at a mean level of 0.104 mg/kg followed by p,p'-DDT detected in 97% of the samples with a mean level of 0.085 mg/kg. The gamma-HCH mean levels were higher on March and December due to anti-livestock ectoparasite programs during the dry season. Meanwhile, p,p'-DDT mean levels were significantly higher in February, June, September and October due to anti-malaria actions.
引用
收藏
页码:238 / 243
页数:6
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