2,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml

4-n-Dodecylbenzoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 21021-55-6

1,2,7-Trichloronaphthalene, 1.2mL x 50ug/mL, nonane

TOC Calibration Standard (C)