EPA Method 531.1 - Performance Check Solution

PAH Internal Standard Spiking Solution, 1.2ml, isooctane

n-Butylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104-51-8

4-Hydroxyamphetamine HCl, 1000µg/ml in MeOH, 1ml