Here is some reading material while you wait. http://www.treehugger.com/green-architecture/chemicals-spray-polyurethane-foam-how-can-something-so-toxic-be-considered-green.html http://www.treehugger.com/green-architecture/spray-polyurethane-foam-manufacturer-may-face-class-action-lawsuit.html http://www.treehugger.com/green-architecture/losing-their-health-and-homes-spray-polyurthane-foam.html GLTA Longs