Ethanol standard in serum,1.1g/L,serum, 3mL

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)

TOC Calibration Standard (C)

O,O-Diethylthiophosphate-13C2, sodium salt