2009年10月7日,美国环保署公布杀虫剂氯吡嘧磺隆(Halosulfuron-methyl)、Meptyldinocap、多杀菌素(Spinosad)、噻虫嗪(Thiamethoxam)许可限量的最终法规,规定如下:
1、氯吡嘧磺隆(Halosulfuron-methyl):
最终法规规定大豆种内的氯吡嘧磺隆(Halosulfuron-methyl)及其代谢物及降解物残留许可限量为:0.05ppm。许可限量合格性将通过检测产品内/表氯吡嘧磺隆(Halosulfuron-methyl, methyl3-chloro-5-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-1-methyl-1H-pyrazole-4-carboxylate来确定。
2、Meptyldinocap:
最终法规规定葡萄内/表Meptyldinocap,2-(1-methylheptyl)-4,6-dinitrophenyl (2E)-2-butenoate及按Meptyldinocap表示的2,4-DNOP, 2,4-dinitro-6-(1-methylheptyl)phenol混合残留的许可限量为:0.20 ppm。
3、多杀菌素(Spinosad)
最终法规规定以下作物内/表两种相关活性成分:Spinosyn A (Factor A; CAS#131929-60-7)或2-[(6-deoxy-2,3,4-tri-O-methyl-[alpha]-L-manno-pyranosyl)oxy]-13-[[5-(dimethylamino)-Tetra-hydro-6-methyl-2H-pyran-2-yl]oxy]-9-ethyl-2,3,3a,5a,5b,6,9,10,11,12,13,14,16a,16b-tetrad-cahydro-14-methyl-1H-as-Indaceno[3,2-d]oxacyclododecin-7,15- dione; 及Spinosyn D (Factor D; CAS#131929-63-0) 或2-[(6-deoxy-2,3,4-tri-O-methyl-[alpha]-L-manno-pyranosyl)oxy]-13-[[5- (dimethyl-amino)-tetrahydro-6-methyl-2H-pyran-2-yl]oxy]-9-ethyl-2,3,3a,5a,5b,6,9,10,11,12,13,14,16a,16b-tetradecahydro-4,14-methyl-1H-as-Indaceno[3,2-d]Oxacy-clododecin-7,15-dione组成的多杀菌素(Spinosad)残留许可限量:杏壳:19 ppm;坚果树14组:0.10 ppm;开心果:0.10 ppm;酸枣:0.10 ppm及石榴:0.30 ppm。
4、噻虫嗪(Thiamethoxam)
最终法规规定以下作物内/表噻虫嗪(Thiamethoxam) (3-[(2-chloro-5-thiazolyl)methyl]tetrahydro-5-methyl-N-nitro-4H-1,3,5-Oxadia-zin-4-imine)及其代谢物CGA-322704 [N-(2-chloro-thiazol-5-ylmethyl)-N'-methyl-N'-nitro-guanidine](按噻虫嗪化学当量计算)混合残留许可限量:鳄梨:0.40 ppm;矮浆果亚组13-07G,越橘除外:0.30 ppm; 唐棣属植物亚组13-07B,蓝靛果及梅、矮灌木除外:0.20 ppm;蔓越霉亚组13-07A:0.35 ppm;蛋黄果:0.40 ppm;小果实、攀藤植物亚组13-07F,猕猴桃除外:0.20 ppm;芒果:0.40 ppm;番木瓜:0.40 ppm;人心果:0.40 ppm;黑柿:0.40 ppm;曼密果:0.40 ppm;星苹果: 0.40 ppm; 根茎植物亚组1A :0.05 ppm;rice,稻谷:0.02 ppm。
4种杀虫剂可限量的最终法规具体内容请见:
氯吡嘧磺隆(Halosulfuron-methyl):
http://edocket.access.gpo.gov/2009/pdf/E9-22915.pdf
Meptyldinocap:
http://edocket.access.gpo.gov/2009/pdf/E9-22523.pdf
多杀菌素(Spinosad):
http://edocket.access.gpo.gov/2009/pdf/E9-22534.pdf
噻虫嗪(Thiamethoxam):http://edocket.access.gpo.gov/2009/pdf/E9-23628.pdf