EPA Method 502.2/624Mix Back Catalog number: 93600 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677501 D5-Cyanazine, 100 µg/ml, Acetone, 1ml Price on request 97910 Diquat Price on request 2726.16-K-IO 4-Isopropylthioxanthone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 83846-86-0 Price on request