EPA Method 551 - Disinfection By-Products

Mono-n-butyl phthalate (ring-1,2-13C2, dicarboxyl-13C2, 99%) 100 µg/mL in MTBE, 1,2ml

n-Dotetracontane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 7098-20-6

Fipronil, 1000µg/ml in Acetonitrile, 1ml