2,2',3,3',4,5,5',6-Octachlorobiphenyl,neat,neat,5mg,

a,a,a-Trichlorotoluene

1,2,3,7,8,9-Hexachlorodibenzofuran ,50 µg/mL,n-nonane,1mL,

N-Phenyl-1,4-phenylenediamine