Madrid Engineering Group, Inc. (MEG) specializes in geotechnical engineering for structure foundations, earthen structures, subsurface construction and providing other engineering, environmental and geologic services. We have completed literally thousands of foundation investigations and designs, including subsidence investigations to determine if sinkhole processes are active in Florida’s limestone bedrock and overlying soil. MEG has developed PhosphoCrete™, a proprietary method to chemically stabilize very soft clays including waste phosphatic clay. We have also researched and developed a patented system, PhosFilter™, which is an engineered filter media designed to reduce phosphorus and other pollutant