gpac helps organizations businesses recover from biological threats, bio hazard situations and real time crisis. we're a division of issa the worldwide cleaning industry association and we've been working with leading experts in prevention and control as well as professionals cleaning committee to develop comprehensive guidelines for cleaning and infectious disease prevention. we're pleased to see san francisco enhance cleaning disinfecting to the forefront of discussions regarding hoping the economy. we have two concerns about the proposal ordinance. one is that we recommend (inaudible) in hotel rooms given the current outbreak and cleaning disinfection every 30 minutes requirement is unworkable and does not follow the best practices and could do more thundershower an good frome the spread of sars covid 2. it only increases the risk of both the staff entering the room and the guest in the event the staff member is infected. living in that close ak is the best way to protect and mandating daily service is not supportive of that effort. guidelines from the health ministry of baldwin count