ASTM D-4815 Calibration Mixes

bis(4-Chlorophenyl)acetic acid

2,2’,3,3’,4,4’-Hexachlorobiphenyl (128)

Diisopentyl phthalate (diisoamyl phthalate), neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 605-50-5