EPA Method 8240A Calibration Check Compounds Back Catalog number: 82412 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended LGC2609 Tin - DSC calibration standard, 500mg Price on request 3777.7-K-IO 2-Ethyl-3-methylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 15707-23-0 Price on request 2499.13-100-T 3-Methyldibenzothiophene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 16587-52-3 Price on request