Diphenylamine, 100 µg/ml, Acetonitrile, 1ml

o,p'-Methoxychlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 30667-99-3

2,3,4-Tribromodibenzofuran, 1.2ml x 50ug/ml, toluene

DOW 624 Volatile Internal/Surrogate Standard