(13C10)Heptachlor, 1.2mL x 100ug/mL, nonane

Picene, 50 µg/mL in Toluene, 1ml

4,4'-Oxydianiline, 100 µg/ml, Acetonitrile, 1ml

2,4'-DDT, 100 µg/ml, Ethyl acetate, 5ml