Perfluoro-n-[1,2,3,4-13C4]butanoic acid, 50µg/ml in MeOH, 1,2ml

Arochlor 1242 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 53469-21-9

Etofenprox D5 (ethyl D5), 100 ng/µl, 1.1ml

PAH Standard, 1000µg/ml in methylene chloride, 1ml