4-Chlorophenol, 100 µg/ml, Methanol, 5ml

Difenoxuron,100 µg/mL,MeOH,1mL,

d-1,2,3,4,5,6-Hexachloro(13C6)cyclohexane, 1.2mL x 100ug/mL, nonane

Benzo[a]chrysene, neat, Solvent-neat, Unit 2mg, # of units-1, Cas.no. 213-46-7