stands for california redemption value. the money that individuals get back when they recycle their bottles and cans. the third miles down from 99 b was the blue book at curbside recycling program in san francisco. and then the fantastic free program that you see today with a cycling, compost, and landfill in 1999. a couple of other milestones. in 2000 there were 30 of these operating throughout san francisco. they adopted the zero goal by 2020. in 2006 the construction demolition ordinance mandated the comprised version of the conversion rate. 2008 was when we hit a milestone of diverting about 70% from the landfill in composting and recycling. probably more than that now. but those are the most recent numbers we were able to access. in 2009 the mandatory ordinance was adopted. there are 19 of these centers operating today. to drill down more on the bottle bill, a state piece of legislation, in california it does a number of things. first of all, it incentivizes beverage container recycling by offering cash back. states wi