Mefenacet, 10 µg/ml, Acetonitrile, 10ml

2,6-Dimethylnaphthalene-d12,neat,neat,25mg,

trans-Nonachlor, 10 µg/ml, Cyclohexane, 10ml

Heptachlor endo-epoxide, 100µg/ml, Acetonitrile, 5ml