Azinphos-methyl, 10.0 µg/ml, Ethyl acetate, 10ml

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

Ethyl methane sulfonate

EPA Method 300.0 Anions Mix A