2,8-Dichlorodibenzofuran,50 µg/mL,n-nonane,1mL,

Dibenzo[a,e]pyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 192-65-4

2,3,6,7-Tetrachloroxanthene , 1.2ml x 50ug/ml, toluene

1,2,4-Butanetriol