Modified 525.2 Pesticide Standard #1 Back Catalog number: 31006 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92287 Pesticide Mix #2 Price on request 679162 13C,15N2-2-NP-SCA, 10mg Price on request 676463 Nonafluoropentanoic acid, 100mg Price on request