PCB No. 189, 10µg/ml in Isooctane, 10ml

a,2,4-Trichlorotoluene

6-Nitrochrysene-d11, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 203805-92-9

4-Bromo-3,5-dimethylphenyl-N-methylcarbamate