Diisobutyl phthalate-3,4,5,6-d4,1000 µg/mL,isooctane,1mL,

1,2,4,7,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

1,2,4-Trimethyl-5-nitrobenzene

EPA Method 8280 Calibration Kit, 5 ampoules, nonane