EPA Method 525 - Pesticide Standard Back Catalog number: 30027 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676450 Penthiopyrad, 10 µg/ml, Cyclohexane, 10ml Price on request 32852 EPA Method 551 - Disinfection By-Products Price on request 675432 Prometryn, 250mg Price on request