EPA Method 525.2 - IS/SS Mix Back Catalog number: 37031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1274.9-K-CY 1,2,3-Trimethylbenzene, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 526-73-8 Price on request 676608 1-Chloro-2,4-dinitrobenzene, 500mg Price on request XA20950009AL PAH-Mix 9, 100µg/mL in Acetonitrile, 1mL Price on request