EPA Method 8240A Mix #2 Back Catalog number: 82492 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10167.25-K-IO Pentaethylene glycol mono(p-nonylphenyl) ether isomer mix, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 70314 Diphenylamine Price on request 674806 Oxyphenbutazone monohydrate, 50mg Price on request