EPA Method 23 Calibration Kit, 5 ampoules, nonane

Triallate, 100 µg/ml, Acetonitrile, 5ml

2,4-Di-tert-butylphenol, 100 µg/ml, Methanol, 1m

1,2,3,4,8,9-Hexachlorodibenzofuran, 1.2ml x 50ug/ml, toluene