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Soil Suitability and Nitrate Loading Evaluation CTE Job # 25-0726G <br />Custom Home <br />5388 Fig Road <br />Manteca. California <br />May 18, 2020 Page 8 of 9 <br />The most common alternative systems are those that are evaluated and designed taking into <br />consideration additional site-specific characteristics and using the latest technologies and design <br />innovations. These systems may include organic fill systems, pressure dose systems, and <br />expanded treatment and dispersal systems. <br />A mounded system is a soil adsorption system that is elevated above the natural soil surface. The <br />purpose of the design is to overcome site restrictions that prohibit conventional OWTS. Such <br />restrictions include slowly permeable soils, slowly permeable soils with high water tables, and as <br />is the site soil and ground water conditions, permeable soils with high water tables. The design of <br />the system must conform to the EPA Design Manual for OWTS. October 1980 and the EHD <br />Sewage Standards. For parcels where a potential for groundwater impact has been identified, <br />package treatment plants or supplemental treatment plants are used. A Registered Civil Engineer <br />is required to evaluate and design these systems. Regular monitoring and reporting is required for <br />these systems as well as an annual inspection by the EHD. <br />10.0 LIMITATIONS OF INVESTIGATION <br />The field evaluation and geotechnical analysis presented in this report have been conducted <br />according to current engineering practice and the standard of care exercised by reputable <br />geotechnical consultants performing similar tasks in this area. No other warranty, expressed or <br />implied, is made regarding the conclusions, recommendations and opinions expressed in this <br />report. <br />Our conclusions and recommendations are based on an analysis of the observed conditions. <br />Variations may exist and conditions not observed or described in this report may be encountered <br />during construction. If conditions different from those described in this report are encountered, <br />our office should be notified and additional recommendations, if required, will be provided upon <br />request. <br />MLMM <br />CAL_rWZ_ <br />