Permethrin, 10.0 µg/ml, Acetonitrile, 10ml

Benzyldimethyloctadecylammonium chloride, 100 µg/m

N-Nitrosodiisopropylamine,100 µg/mL,MeOH,1mL,

2,2’,3,3’,4,5-Hexachlorobiphenyl (129)