EPA Method 551 “Mix B” Back Catalog number: 30395 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0430.13-K-IO 2-Methylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 643-58-3 Price on request 681575 L-Alanin, 100mg Price on request 94832 Volatile Standard Price on request