I worked closely with Ruben Haro of Tonan Geotech to obtain a soil review required by my HOA and city planner in order to install a swimming pool in my backyard. Ruben was extremely helpful, always on time, and extremely responsive to any requests or questions I had. He also bid for the project at a 20% lower rate than his competitors. I have referred others looking for similar work to call Tonan Geotech / Ruben and I suggest anyone else do the same. You will be in good hands with Ruben.