Isodrin, 100 µg/ml, Methanol, 1ml

Hexavalent Chromium (Cr +6)

D7-Benzyldimethyldodecylammonium chloride, 10mg

2,2',3,3',4,4',5,5'-Octachloro[13C12]biphenyl, 50.0µg/mL in Nonane/10% toluene, 1,2ml