daniela cortes, the brightline program coordinator will of course introduce each community stakeholderd really try to uplift their voices and ultimately despite the stress that i have been over the last year in trying to get this program up and running it's been really an honor to work alongside all of the folks who are involved in this program and maybe i will just pause for a moment too and also recognize my fellow colleague commissioner sarah ching ting wan who is also very heavily involved in this program too. >> can we move onto the next presentation? katy do you have it to pull? >> thank you katy. good evening commissioners i'm daniela the program coordinator for brightline. i will be copresenting today on this budget. and also our stanford partners who have been helping us with our data analysis. really happy to be here to share with we have done in the last year. just quickly, i want to mention how air quality is currently monitored and why we begin budgets in the first place. this shows you the reference stations in currently # 50. 250.in san francisco there is oy one. you can