EPA Method 539Mix #1, 100µg/ml in MeOH, 1ml Back Catalog number: 96884 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 52358 ICP-MS Verification Kit Price on request 677100 Imidacloprid urea, 10.0 µg/ml, Acetonitrile, 10m Price on request 94987 Organonitrogen Pesticides Price on request