EPA Method 555 Herbicide Standard Back Catalog number: 83600 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9891.24-150MG Di-n-dodecylsulfide, neat, Solvent-neat, Unit 150mg, # of units-1, Cas.no. 2469-45-6 Price on request 676760 Chlorsulfuron, 100 µg/ml, Acetonitrile, 1ml Price on request 676304 Levamisole hydrochloride, 250mg Price on request