EPA Method 555 Herbicide Standard Back Catalog number: 83600 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673529 4,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 70795 Phorate sulfoxide Price on request 8966.25-100-T 3-Chloro-1,2-propandiol-2-monoerucidate Price on request