1,8-Dinitropyrene, 100µg/ml in Toluene, 1ml

1,4,5,6,7,7-Hexachlorobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid,50 µg/mL,toluene,1mL,

1,3,4,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

Rutin hydrate, certified, 0.5g