2,2',3,4',5,6,6'-Heptachlorobiphenyl (188)

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)

Aromatics Calibration Standards Kit (3 Internal Standard Version) 24 Analytes + 3 ISTD, each Vol.% as listed in isooctane; units: 5x1mL Set, one of each Std. 1-5 + opt. 1x1mL (Std. 6) To these calibration standards are 3 deuterated Internal Standards

Terbuthylazine D5 (ethyl D5), certified, 5mg