Heptaldehyde, 1000µg/ml in Acetone, 1ml

1,2,4,5,8,9-Hexachloroundecane, 100µg/ml in Isooctane, 1ml

Surrogate Solution, 1.2ml, isooctane

1,2,3,6-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane