Anions Standard

EPA Method 8141 Surrogate Standard

Onocerane II (8ß(H),14ß(H)), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 13384-96-8

17 alpha(H),21ß(H)-(22RS)-Pentakishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54370-82-0