Chlorpyrifos, 100 µg/ml, Toluene, 1ml

rac-(1R,2R)-1,2-dibromo-(4R)-4-((1R)-1,2-dibromoethyl)cyclohexane, 1.2ml x 50ug/ml , toluene

17 alpha(H),21ß(H)-(22R)-Homohopane, 50µg/mL in isooctane, 1ml

2,2',3,4,4',5,5'-Heptabromodiphenyl ether, 1.2ml x 50ug/ml, nonane