EPA Method 507 Pesticide Standard Back Catalog number: 91974 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 13100.5-10MG Chlormequat-1,1,2,2-d4 chloride, 10mg Price on request 677414 Simvastatin, 10mg Price on request XA13020100AC Diuron D6, 100 µg/mL in Acetone, 1,1ml Price on request