EPA Method 8260B Mix #4 Back Catalog number: 82466 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50410 Sulfate (SO4-2) Price on request 3660.6-50-IO 1,3,5-Tribromobenzene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 626-39-1 Price on request 2979.7-100 Aldicarb sulfone, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1646-88-4 Price on request