EPA Method 539Mix #1, 100µg/ml in MeOH, 1ml Back Catalog number: 96884 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 1634.10-250MG Cimetidine (free base), neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 51481-61-9 Price on request 678450 Pendimethalin, 100 µg/ml, Acetonitrile, 5ml Price on request D4157 4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one, >98%, 25g Price on request