EPA Method 502.2 Surrogate Standard

24-Methylcholestane isomer Kit; includes 3054,3055,0607,0643, , Solvent-, Unit Kit, # of units-, Cas.no.

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)

1,2,3,7,8,9-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene