Prothiofos, 100 µg/ml, Acetonitrile, 1ml

17 alpha(H),21ß(H)-(22RS)-Tetrakishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 67069-13-0

Oxygenated Quantitative Calibration Mixtures (without Internal Standard) 4 Analytes, each Wt.% as listed in isooctane/xylene (65:35); unit: 5x10mL one of each Std. Analyte Analyte Std. 1 Std. 2 Std. 3 Std. 4 Std.

Perfluorokerosene (bp. 70-200) for Mass spectrometry, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no.