EPA Method 500 Series Internal Standard

Chlorimuron-ethyl, 100 µg/ml, Acetonitrile, 5ml

Hexaconazole, 100 µg/ml, Acetonitrile, 5ml

Daily Quality Control Standard (with 3 Fluorinated Compounds Internal Standard) 14 Analytes + 3 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene