PCB 95, 10 µg/ml, Isooctane, 10ml

Vinyl chloride, certified ref. material, 2000μg/mL in MeOH, 1ml

Caproic acid, 1ml

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)