4,4'-Methylenedianiline,100 µg/mL,acetonitrile,1mL,

Ethion, 10.0 µg/ml, Cyclohexane, 10ml

Atenolol, 100 µg/ml, Acetonitrile, 5ml

1,1,1,3-Tetrachlorotetradecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 865306-25-8