beta-Endosulfan, 10.0 µg/ml, Ethyl acetate, 10ml

4,4'-DDT, 10.0 µg/ml, Cyclohexane, 10ml

ICP-OES Mix

EPA O-FID Quantitative Calibration Check Standard (with Internal Standard) 5 Analytes, each Wt.% as listed in RFA Gasoline; units: 1x5mL, 5x5mL Name Wt.% Name Wt.% Methanol 3.80Methyl tert-buty