Metolachlor-d6 (propyl-d6),100 µg/mL,acetonitrile,1mL,

Fluorene-d10, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 81103-79-9

Benzo[a]pyrene,400µg/mL,cyclohexane,0.5mL,

Hexanal, 1000µg/ml in MeOH, 1ml