EPA Method 624 Internal / Surrogate Standard

Maleic acid

Benzyl-n-butyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 93951-88-3

Candesartan cilexetil, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 145040-37-0