EPA Method 8141 / 1618 Pesticide Mix A Back Catalog number: 91397 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676785 Paraquat dichloride, 100 µg/ml, Water, 1ml Price on request 2231.20-5MG Ochratoxin A, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 303-47-9 Price on request 677943 n-Heptyltin trichloride, 1000 µg/ml, Methanol, 5 Price on request