QC Check Sample

EPA O-FID Quantitative Calibration Check Standard (without Internal Standard) 4 Analytes, each Wt.% as listed in RFA Gasoline; units: 1x10mL, 5x10mL Name Wt.% Name Wt.% Methanol 4.0Methyl tert-butyl et

4,4'-DDD (=TDE), 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 72-54-8

N-Nitroso-N-methylaniline, 100μg/ml in MeOH, 5ml