EPA Method 624 Standard

2-Methylbutane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 78-78-4

Oxamyl, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 23135-22-0

Ochratoxin A (from Petromyces albertensis)