EPA Method 8260B Surrogate Standard

2,3,6,7-Tetrachloroxanthene , 1.2ml x 50ug/ml, toluene

2,3,7-Tribromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Carbofuran, 100 µg/ml, Acetonitrile, 5ml