EPA Method 8141 Standard Back Catalog number: 93543 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79191 Oryzalin Price on request 9774.4-1G 2,3-Butandione, neat, Solvent-neat, Unit 1G, # of units-1, Cas.no. Price on request 92160 PAH Standard Price on request