标准值:
二氯甲烷(Dichloromethane),1,1
二氯乙烷(1 ,1-
dichloroethane),1,2,二氯乙烷
(1 ,2-dichloroethane),三氯乙烯
(Trichloroethylene),四氯乙烯
(Tetrachloroethylene),一溴二氯
甲烷(Bromodichloromethane);
二溴一氯甲烷
(Chlorodibromomethane),反式-
1,2-二氯乙烯(Trans-1 ,2-
dichloroethylene) :0.1mg/ml,
U=5%