I live in a rural area and our water supply is from our own well. Some people have had their wells contaminated by nearby gasoline=20 stations with leaky tanks. I am really opposed to returning water directly to the aquifer. On 6/29/2014 9:09 AM, Byron Jeff wrote: > On Sun, Jun 29, 2014 at 09:17:14AM +0100, pc wrote: >> >The cost is far more than air source --=20 John Ferrell W8CCW Julian NC 27283 At what age does a wish list become a bucket list? --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .