EPA Method 602/8020 Back Catalog number: 19197 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677344 8,9-Z-Avermectin B1b, 100 µg/ml, Acetonitrile, 1 Price on request 50752 IC Anion Standard Custom Mix Price on request 676198 Foramsulfuron, 100 µg/ml, Acetonitrile, 5ml Price on request