Interference Standard 4

o,p'-Methoxychlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 30667-99-3

Benzo(b)fluoranthene, 100µg/ml in Acetonitrile, 1ml

Sodium perfluoroethanesulfonate, 50µg/ml in MeOH, 1,2ml