EPA Method 507/525 Analytes Mix #2 Rev.1 Back Catalog number: 31083 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1493.18-10MG 3-Hydroxychrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 63019-39-6 Price on request 674879 Malachite green oxalate salt, 250mg Price on request 674012 D6-Monuron, 5mg Price on request