1,3,6,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

EPA Method 8260B Surrogate Standard

N,N-Diethylanilin, 100 µg/ml, Methanol, 5ml

2,2',3,4,5-Pentachloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane