EPA Method 515.1 - Performance Check Solution

1,4-Naphthoquinone-d6, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 26473-08-5

Diethyl sebacate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 110-40-7

(±)-11-OH-Δ9-THC-d3, 100µg/ml in MeOH, 1ml