EPA Methd 8330 Standard

n-Butyl iso-pentyl phthalate (n-Butyl 3-methylbutyl phthalate), neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 144648-76-0

Chlorothalonil Metabolite R417888-13C2,15N2 sodium salt, 10µg/ml in MeOH, 1ml

EPA Method 552.1, 552.2 - Haloacetic Acids