Oh OK....well the companies out here aren't as green as the ones out west, so on average....about 0% of glass is recyled, 10% of wood, 95% of scrap metal, 50% of green waste, 0% drywall, 50% red brick/block, 90% concrete!!! I guess that's about it, but remember, these are from what I see with my customers!!!

I think what James is looking for is similar to what I use to calculate a clients needs based on how much of what type of debris they handle. Yo look at your total waste stream and make as accurate a determination as possible how many different things make up the total and then figure the percentages of each constituent. I use this to determine what type of sorting technology will work better for a potential client.
IE: Metals, glass, insulation, drywall, paper, OCC, wood (treated and untreated), concrete etc.

Just now getting that adressed. the company I work for grew fast and has been playing catch up in the office end, I know when we send roll offs of wood to a local pallet recycler,weight is noted on the daily time sheet and seems like it would be easy to track at years end.no different than the scrap. Lots of organizing going on in the farm field based company I am employed with. (56 employees) We dontate usable building materials as well for the 501c3 tax credits, also wetake part in the Armstrong ceiling tile program for LEEDS.