EPA Method 8260 - Purgeable Internal Standard

Isobutylbenzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 538-93-2

1,3,4,7-Tetrachlorodibenzofuran , 1.2ml x 50ug/ml, nonane

Warfarin, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 81-81-2