PCB Congeners (10 ppm)

Di-n-pentyl phthalate-3,4,5,6-d4, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 358730-89-9

Fenthion-sulfone, 100µg/ml in Acetonitrile, 1ml

Retrorsine