EPA Method 6020/6020A - Mix B

n-Octadecane, ?13C: -30.71, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 593-45-3

Chlorothalonil Metabolite R417888-13C2,15N2 sodium salt, 10µg/ml in MeOH, 1ml

Valproic acid, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 99-66-1