IP 391-95 Calibration Level 3 Back Catalog number: 98403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8764.6-50-IO Bis(2,3-dibromopropyl)phosphate, tech., 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5412-25-9 Price on request 59294 Acid Mix Price on request 82402R EPA Method 8240A Mix #2 Price on request