PCB No. 121, 1000μg/ml in Isooctane, 1ml

1,2,3,6,7-Pentachloronaphthalene, 1.2mL x 50ug/mL, nonane

2-Isobutylthiazole, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-, Cas.no. 18640-24-9

6-Methylbenzo[a]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 2381-39-7