Tri-n-pentyl phosphate,1000 µg/mL,MeOH,1mL,

4-Chlorophenoxyacetic acid, 250mg

3-Methylcholanthrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 56-49-5

PCB No. 21, 100µg/ml in Isooctane, 1ml