A delivery system and method for interstitial radiation therapy comprising a substantially axially stiff and longitudinally flexible elongated member made of material, which is bio-absorbable in living tissue and a plurality of radioactive seeds dispersed in a predetermined array within the member. Data descriptive of use of the media system is tracked based on the monitoring of the content download activity, the content playing activity, andor the remote control activity. The compounds and their derivatives are useful, for example, as hydrogen sulfide and mercaptan scavengers for use in both water and petroleum products.