EPA Method 8250Mix #9

Ochratoxin B, 10µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 4825-86-9

Internal standard 3, 2000g/ml in MeOH, 1ml

1,2,3,4,6,7,9-Heptachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene