rain has gone i can see all measures and obstacles in my way gone are the dark city clubs that had miniblind it is going to be a bride, a bright justice day. supervisor mirkarimi: thank you. any other public comments? seen none, the public comment is closed. madam clerk, next item. >> item 3, ordinance amending the health code in the article 35 to grade requirements for biological agent detectors. 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 institu