ASTM D-4815 Calibration Mix #2A

Ethanol standard in water,0.2g/L,water, 3mL

Chlorpyrifos-d10 (O,O-diethyl-d10),100 µg/mL,isooctane,1mL,

6-Chloroperfluorohexylphosphonic acid, 50µg/ml in MeOH, 1,2ml