EPA Method 524 & 624 - Internal Standard

n-Hexacontane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 7667-80-3

Metolachlor ESA sodium salt, 100 µg/ml, Acetonitr

2-Anilino-6-(dibutylamino)-3-methylfluoran, >99%, 100mg