Chlorobenzenes Mix

Atrazine-2-hydroxy D5, 100µg/mL in MeOH, 1,1ml

PCN Native Stock Solution, 1000ng/ml in Nonane, 1,2ml

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light 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)