Arochlor 1221 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11104-28-2

Trace Metals 3

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)

Propoxur-d3 (N-methyl-d3), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1219798-56-7