PCB Congeners & Hexachlorobenzene Mix #5

Arochlor 1232, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11141-16-5

Calibration Std. #2

Silica (SiO2), 1000µg/ml in Water/0.5% NaOH, 100ml