Furan-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 6142-90-1

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)

3 alpha,17 alpha(H),21ß(H)-3-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no.

N,N-dimethylperfluoro-1-octanesulfonamide , 1.2ml x 50ug/ml, methanol