EPA Method 601 Purgeable Halocarbons

2-n-Butyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147792-31-2

Norcodeine hydrochloride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 14648-14-7

Benzo[b]naphtho[1,2-d]thiophene, 10mg