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2 <br /> JR Page 11 <br /> Consulting, Inc. March 19, 2009 <br /> Environmental• Engineering• Geology Project Number 2009007 <br /> level of the percolation test hole. The readings were taken every 30 minutes for a period of four <br /> hours. <br /> "'Percolation Test Form <br /> Percolation test forms are located in the appendix. <br /> c/biscussion of the Peculation Test Results <br /> The soils in the area tested indicated an adequate percolation rate. <br /> Parcel 1 —Test Hole 1 (Shallow)—22.73 minutes per inch—Acceptable <br /> Parcel 1 —Test Hole 2 (Deep)—62.5 minutes per inch—Not Acceptable <br /> Based on the EHD Onsite Wastewater Disposal Standards a standard septic design may <br /> be used. <br /> Discussion of the Septic System Size <br /> Septic System Construction should follow the San Joaquin County On-Site Wastewater <br /> Disposal Standards where applicable. <br /> 7. CONCLUSION <br /> In summary, a satisfactory percolation rate of the soil was achieved in the proposed septic <br /> disposal area of the Site. The septic disposal area appears suitable for a standard septic system. <br /> No ground water was encountered in the borings drilled on the property. The Water results <br /> reported 15.2 mg/1 of Total Nitrogen as NO3 and <0.02 ug/L (ppb) of DBCP. California MCL <br /> for Total Nitrogen as NO3 is 10 mg/L and for DBCP is 0.2 ug/l. <br /> JR SQUARED CONSULTING,INC. ENVIRONMENTAL•ENGINEERING•GEOLOGY <br /> 6532 MCNEIL COURT,VALLEY SPRINGS,CA 95252 PHONE(209)772-3841 •FAX(209)740-4303 <br />