SFGTV June 11, 2014
A couple of feet of clean soil that would be between the impacted areas and the bottom of garage slabs which are in and of itself a mitigation layer. Certainly there is no gardening activity that is allowed in soils like this that are impacted. It has very clear guidelines that restrict development of cites like this. There is also several thousands yards of soil that was impacted at a higher level taken to a class 2 facility for the safe storage of those materials. But the stuff that was less contaminated but is still contaminated is still there and there was a layer of clean soil put on top ...