Dimethylheptylbenzene (Isomer mixture), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 145057-44-9 / 87119-26-4 / 87119-27-5 / 145057-45-0 / 92724-73-7 / 52033-95-1

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)

EPA Method 552 Haloacetic acids

ICP-MS Memory Check Solution B