Ranitidine hydrochloride, 100mg

1,3,4,6,8-Pentachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

Tridemorph, 10.0 µg/ml, Isooctane, 10ml

4,4'-DDE, 100 µg/ml, Methanol, 1ml