Atrazine-desethyl, 100µg/ml in Acetonitrile, 5ml

2,2',3,4,5,5'-Hexachloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

1-Octanol, 1ml

2,3,3',5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,