Nil, if anyone looks deeper, there have been contractor questions submitted with answers provided by EPA, click on changed links on left hand side of front page: Complete View Original Synopsis Combined Synopsis/Solicitation Oct 29, 2012 2:52 pm Changed Nov 13, 2012 10:36 am Changed Nov 15, 2012 4:13 pm https://www.fbo.gov/index?s=opportunity&mode=form&tab=core&id=8bfab9a6d9aec17f987c89dc233db170&_cview=0