Caffeine,100 µg/mL,MeOH,1mL,

2,2',4,4',5,6'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Arochlor 1260 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11096-82-5

3,4-Dinitrotoluene