3,4-Dichloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

2,2',3,3',4,4',6-Heptabromodiphenyl ether, 1.2ml x 50ug/ml, nonane

1H,1H,2H,2H-Perfluorooctanesulfonic acid; 6:2FTS, 97%, 5g

Parathion-methyl, 100 µg/ml, Toluene, 1ml