alpha-Endosulfan, 100 µg/ml, Ethyl acetate, 5ml

PAH - Mix 6, 50µg/ml in Cyclohexane, 5ml

Arochlor 1232, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11141-16-5

3-Methyl-2-nitrophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 4920-77-8