Tricresyl phosphate (mixture of isomers), 250mg

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)

2-Butanone, certified, 1ml

ISO 10382 Multicomponent Solution of PCBs and Organochlorine Pesticides. each 400µg/mL in isooctane; unit: 1x1ml Chiron No. Compound Abbr. CAS No Conc. 1mL Polychlorinated biphenyls 1999.12-100-IO 2,4,4’-Trichlorobiphenyl PC