EPA Method 8270 Additionals

Docosanoic acid (Behenic), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 112-85-6

Heptachlor epoxide

3,4,5-Trichloro[13C6]phenol, 1.2ml x 100ug/ml, isooctane