Tribenuron-methyl, 100 µg/ml, Acetonitrile, 1ml

1,2,8,9-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane

Tm/Ts Mixture Tm – 0615,27 17alpha(H)-22,29,30-Trisnorhopane Ts – 2635,27 18alpha(H)-22,29,30-Trisnorneohopane With a spesific ratio between the two peaks based on a SIM spectra of ion m/z = 191

EPA Method 8270A - Mix #14