1,2,4,6-Tetrachloronaphthalene, 1.2mL x 50ug/mL, nonane

Atrazine D5 (ethylamino D5), 1000 µg/mL in Acetonitrile, 1ml

Chlorfenson, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 80-33-1

Precision and Recovery Stock Solution: WHO PCBs, 1.2ml, nonane