Surrogate Spiking Solution, 1.2ml, nonane

Chlorpyrifos, 100µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 2921-88-2

BHC (epsilon isomer), 100ug/ml in Toluene, 1ml

5,6-Chrysenequinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 2051-10-7