Diflufenican, 100 µg/ml, Acetonitrile, 5ml

1,2,5,7-Tetrachloronaphthalene, 1.2mL x 50ug/mL, nonane

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

Crotonaldehyde-DNPH