Metolachlor (ring-13C6), 100µg/ml in n-Nonane, 1,2ml

Pentadecafluorooctanoic acid, 100 µg/ml, Methanol

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)

Multi-Element Internal Standard