EPA Method 8270C - B/N Matrix Spiking Solution

(13C9)Endosulfan Sulfate, 100µg/ml in Nonane, 1,2ml

3-Chloro-1,2-propanediol-d5, 100µg/ml in MeOH, 5ml

Hexazinone, 10.0 µg/ml, Acetonitrile, 10ml