WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml

2,2,4,4,5,5,7,7-Octamethyloctane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5171-85-7

D4-1,4-Dichlorobenzene, 100 µg/ml, Methanol, 1ml

Glycerol-d5, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 62502-71-0