D4-Prochloraz, 100 µg/ml, Acetonitrile, 1ml

1,2,3,9-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

EPA Method 525.2 Standard

2,3,7,8-Tetrachlorodibenzo-p-dioxin ,50 µg/mL,n-nonane,1mL,