2,4-D, 100 µg/ml, Acetonitrile, 5ml

3-Fluoro-2,3',4,4',6-pentabromodiphenyl ether, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 876310-26-8

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)

EPA Method 507Mix #8, 100µg/ml in Aetone, 1ml