EPA Method 8141 Standard

Sodium perfluoro-1-[1,2,3,4-13C4]octanesulfonate, 1.2ml x 50ug/ml, methanol

Hydroxyisohexyl-3-cyclohexene carboxaldehyde, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 31906-04-4

Dehydroabietic Acid, 96%, 100mg