4,4'-DDD, 100 µg/ml, Acetonitrile, 5ml

Ethanol standard in serum,0.1g/L,serum, 3mL

1,4-Dihydroxy-9,10-anthraquinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 81-64-1

Phthalic acid, bis-iso-butyl ester, certified, 0.25g