1,2,3-Trichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

Chrysene-trans-3,4-dihydrodiol, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 64920-32-7

Isoproturon, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 34123-59-6

1-(3,4-Dichlorophenyl)-3-methylurea, 250mg