Decabromobiphenyl, 35µg/mL in IO:AC (98:2), 1ml

2,4,5-T-methyl ester, 100 µg/ml, Acetonitrile, 1

1-Perfluoroheptyl ethanol (7:2 secondary), 1.2ml x 50ug/ml, methanol

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