1,3,7,8-Tetrabromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

EPA Method 502/524 Volatile Standard

Fipronil-sulfide, 10.0 µg/ml, Acetonitrile, 10ml

n-Docosane, ?13C: -30.35, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-97-0