1,4,5,8-Tetrachloronaphthalene (96%), 1.2ml x 48ug/ml, nonane

Pseudomorphine (free base), neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 125-24-6

EPA Method 525 - Internal Standard

5-Methyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2809-64-5