A treatment protocol is provided for the in-situ remediation of Polynuclear Aromatic Hydrocarbons and other contaminants such as DNAPL compounds and PCB’s present both in soil and in groundwater. Cured films containing the polymer can exhibit at least one of the following properties: Tg from 160\xb0 C. The invention also relates to a television apparatus provided with a circuit according to the invention, and a display device for displaying the output composite picture signal. Each sensing element comprises a circumferential groove, an axial groove and a coil.