supervisor mirkarimi: supervisor david shute's office. >> good morning. i am from david chiu's office. president chiu did this earlier this year, as one of the board's representative on the disaster council, like supervisor mirkarimi, and also because he represents many of the large office buildings in district 3 or this legislation might be relevant. i do have with me erica, the deputy health officer, but i just want to make a few brief remarks. she has a presentation, and we would be happy to answer any question that you have. in recent years, commercial vendors responded to concerns about by a terrorism among the broader target -- public, marketing to companies, building owners, a public institutions. unfortunately, many of these devices have not been tested in can create false alarms. there are hundreds of these products on the market right now. a false alarm about a buy note -- about to buy a terrorism agent could cost us up to $700,000 per incident. there have been false alarms and other parts of the country. there was proposed legislation in your to