Marker PCB Extraction Standard, 1.2ml, nonane

1,1-Difluoroethane, 20mg/mL in MeOH, 1ml

Metoxuron, 100 µg/ml, Acetonitrile, 5ml

1,2-Propanediol, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 57-55-6