2,4-DB, 100 µg/ml, Acetonitrile, 1ml

Lead in oil

5-Methyl-2,3',4,4'-tetrachlorodipehnylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.

Theophylline,1000 µg/mL,MeOH,1mL,