Semi-Volatile Standard

2-Methylnaphthalene, 10.0 µg/ml, Acetonitrile, 1

2,2',5',2''-Terthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1081-34-1

2,3,7-Tribromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene