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

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

4-Chlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 2051-62-9

d4 C27 alpha alpha alpha (20R)-Cholestane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205529-74-4