with that, i'd like to ask aliana caruco to make a public presentation. >> good afternoon, supervisors, my name is aliana caruca, i'm with the department of public health and i'm tobacco free director so i'm representing the department of public health today. this policy would inform prospective tenants of which units have been designated as smoking optional. supervisor mar, you've already basically explained what the ordinance would require and i would just like to add that over the years as the public has become much more educated and aware of the dangers of second hand smoke we've been getting a lot more calls with tenant complaints about smoking and in particular we've seen a lot of people who have called like i remember we got a call from a mother with a brand new infant, seniors with lots of chronic diseases, people with hiv, people with cancer and heart disease, who had just moved into their apartment and had no idea they were going to be exposed to second hand smoke that was drifting from other units into their apartment and they were totally at a loss of what they could do. th