PCB Mix 0.3 ppb

n-Pentacosane-d52, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 121578-13-0

Congener alcohols, 500μg/ml in Water, 10 x1ml

L-Dehydro Ascorbic Acid, 250mg