EPA Method 8240A Mix #2 Back Catalog number: 82402R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8345.28-100-IO Ergosterol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 57-87-4 Price on request 71745 5-Methyl-2-furfural Price on request 71353 2,2,3-Trimethylpentane Price on request