2,3,7,8-Tetrachlorodibenzofuran,50 µg/mL,n-nonane,1mL,

2,3'-Dichlorobiphenyl ,100 µg/mL,isooctane,1mL,

Vanillin, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 121-33-5

2,3,5-Trimethacarb, 100 µg/ml, Acetonitrile, 5ml