EPA Method 531.1 - Performance Check Solution

Di-n-pentyl phthalate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 131-18-0

Dimethyl terephthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

trans-Permethrin, 100 µg/ml, Cyclohexane, 1ml