1,3,5-Trichlorobenzene, 100µg/ml in MeOH, 1ml

1,2,3,7,8,9-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

EPA Method 8270C - B/N Matrix Spiking Solution

4-tert-Octylphenol-di-ethoxylate, 1 µg/ml, Aceton