EPA Method 525.2 - IS/SS Mix

1,2,3-Trimethylbenzene, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 526-73-8

1-Chloro-2,4-dinitrobenzene, 500mg

PAH-Mix 9, 100µg/mL in Acetonitrile, 1mL