EPA Method 508 Standard

4-Chloro-2-nitrotoluene, certified, 0.25g

Fluoxetine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 54910-89-3

17 alpha(H),21ß(H)-30-Norhopane, 50µg/mL in Isooctane, 1ml