EPA Method 8240A Sys Perf Check Cmpds

Solvent for ASTM D 664-01 1 L and 10x1L Toluene 50.0 % Isopropanol 49.5 % Water, ionfree 0.5 %

Prothiofos, 100 µg/ml, Ethyl acetate, 5ml

Diflufenican, 100µg/mL in Acetonitrile, 1ml