Field investigation experience includes soil profile logging and mapping, percolation testing, monitoring well installation, groundwater determinations and topographic mapping in connection with the upgrading and new development of on-site waste water systems for individual residences, commercial facilities and small communities. Extensive experience inspecting, testing and evaluating the condition and performance of existing septic systems in terms of functional capacity, water quality impacts and code compliance. This typically involves research and field exploration of older septic systems to determine what the system consists of, evidence of problems, and potential repair/upgrade/expansion alternatives.