4,4'-DDE, 100 µg/ml, Ethyl acetate, 5ml

4-Chlorodiphenyl ether, 1.2ml x 50ug/ml, nonane

4-n-Nonylphenol pentaethoxylate

Levoglucosan, 1000µg/mL, Solvent-Tetrahydrofuran, Unit 1mL, # of units-5, Cas.no. 498-07-7