Heptachlor

2,2-Dimethyloctane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 15869-87-1

EPA Method 601 Internal Standard

1,3,4,9-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane