EPA Method 601 Internal Standard Back Catalog number: 19094 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675043 Alachlor OA, 10mg Price on request 30027 EPA Method 525 - Pesticide Standard Price on request 1581.2-100MG Dicyanodiamide (Cyanoguanidine), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 461-58-5 Price on request