CS4 Calibration Sol Dioxin/PCB, in Nonane, 500µl

1-Perfluoroheptyl ethanol (7:2 secondary), 1.2ml x 50ug/ml, methanol

2,2',3,4,5,6'-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 68194-15-0

4-Chlorophenoxyacetic acid, 250mg