PCB Isomer Standard “Dutch 7”, 10µg/ml in Isooctane, 1ml

Monomethyl tetrachloroterephthalate

Pentachlorophenol, 1000µg/ml in MTBE, 1ml

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)