An enzymatically active reusable sponge or foam, capable of regeneration with oximes, made of a polymer such as polyurethane is prepared for detoxification of hazardous compounds such as organophosphorus and organosulfur compounds. An elongated raster scanner produces a digital representation of a line image in an object plane that is a fixed distance in front of the raster scanner’s input optics. The desktop color copier includes a single paper feed tray which is located under the transferring device. A method for sending data in multicarrier wireless communications by determining a set of available UL carriers and selecting an UL carrier from the set of available UL carriers.