Found at http://www.wrres.com/wrr11p0.htm : "While most environmental firms specialize in one narrow area of waste management, WRR has been able to "team technologies" and to harness the synergy from that teaming. For example, still bottoms from the recycling of spent solvents can be blended as fuel for the incinerator which in turn provides the energy necessary to recycle the spent solvents."