2-Ethyltoluene, 200 µg/ml, Methanol, 1ml

1,2,4,6,7,9-Hexachloro(13C12)dibenzo-p-dioxin, 1.2mL x 50ug/mL, toluene

6-Nitrochrysene-d11, 100µg/ml in Toluene, 1ml

1,2,3,10b-Tetrahydrofluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 20279-21-4