EPA Method 551.1 Performance Check Soln

PCB No. 31, certified, 25mg

Gliotoxin, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 67-99-2

Wheat Flour, Ochratoxin A, 2. 7+/- 1.0µg/kg, Solvent-, Unit 100g, # of units-1, Cas.no.