·        The Board for Certified Professional Soil Scientist should be the place to license soil evaluators.  Unlike installers and operators, evaluators are designers.  They must design a system with what they think is the site and soil conditions, based on their evaluation and the regulations.  All licensed soil evaluators should be able to write an evaluation for a conventional or alternative design.  An engineer should design alternative systems based on the GMP’s.  Some sites are easier than others as are the systems designed.  It’s been said that it isn’t rocket science but in reality there is very little science to go on and a lot of experience is required.