2,3,5,6-Tetrabromo-p-xylene, 1.2ml x 50ug/ml , toluene

Cleaning solution for electrodes (box of 25x20mL sachet)

PCB Congener Mix, 100µg/ml in Isooctane, 1ml

1,1,1,3,12,13-Hexachlorotridecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 865306-23-6