WS PAH Calibration Level 4

1-Ethyl-4-(2-methylpropyl)benzene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 100319-40-2

1,2,3,4,7,8,9-Heptachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

Chlorfenvinphos, 100µg/mL, Solvent-c.hexane, Unit 1mL, # of units-1, Cas.no. 470-90-6