gamma-BHC-13C6,100 µg/mL,n-nonane,1mL,

Mevinphos, 100µg/mL in Acetonitrile, 1ml

11H-Benzo[b]fluorene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 243-17-4

Levoglucosan, 1000µg/mL, Solvent-Tetrahydrofuran, Unit 1mL, # of units-1, Cas.no. 498-07-7