Modified 525.2 Pesticide Standard #1 Back Catalog number: 31006 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95490 EPA Method 524.3Gases Price on request 1226.16-10MG Di-n-butyl phthalate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 84-74-2 Price on request 1989.9-2K-ME Tri-n-propyltin chloride Price on request