bill typier, d steiner, the ceo of the world rest biggest waste product. he said if i had the technology i'm sitting on 10 bill worth of material that comes into my land fills. we haven't figured out how to do that in a cost effective way, in a way that will make a profit. and of course that's the barrier. >> we are doing that actually with some of the wastewater, the solids removed. 600-tons a day in l.a. of sludge or what the like to say biosolids, and that's the reused and financially all over the country, a couple of firms are making a lot of money with sludge that's being removed from the wastewater plants and are being applied to land, sometimes just forestry but most of it is agricultural, and while it's not really directly food-related, eventually it does go into the food chain, but it's -- for example, l.a. has 4800-acre farm in kearn county called green acres, where they grow wheat and they sell that to dairy farms. so it is a profitable reuse, and it's surprising -- at one time we were dumping all our sludge into the ocean. seven miles, and creat