4,4'-Dibromodiphenyl ether, 1.2ml x 50ug/ml, nonane

2,3,6,7-Tetrachlorobiphenylene, 1.2ml x 1x10-4M, dimethylsulfoxide

PCB No. 209, 100µg/ml in Cyclohexane, 5ml

2-(4-Nonylphenoxy)acetic acid isomer mixture, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 3115-49-9