EPA Method 551.1 Standard Back Catalog number: 94519 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1269.9-K-IO 1,3,5-Trimethylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 108-67-8 Price on request 79306 Chloroneb Price on request 79325 Decafluorobiphenyl Price on request