EPA Method 507 - Performance Check Solution

DL-Propranolol hydrochloride, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 318-98-9

Trinexapac-ethyl,100 µg/mL,MeOH,1mL,

1,3,8,9-Tetrachlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.