PAH-Mix 20, 10 ng/µl, 10ml

n-Hexatriacontane-d74, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16416-34-5

1,2,3,7,8-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

2,2,5-Trichlorobiphenyl (BZ-18)