Permethrin, 10 µg/ml, Ethyl acetate, 10ml

Perfluoro-4-ethylcyclohexane sulfonic acid, potassium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 335-24-0

Octachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Benzo(k)fluoranthene