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SOIL SUITABILITY STUDY <br /> FOR THE <br /> JOE DUTRA JR. PROPERTY <br /> AT 29707 GROOMS ROAD,OAKDALE CA 95361 Q�pFE84lp� <br /> May 21, 2003 <br /> Prepared By Q �` <br /> 3 11584 y .� <br /> Walter E. Curtis m ^' <br /> Civil Engineer <br /> C.E. # 11584 ��tp A CµtFpO� <br /> 418 Matthew Plaza <br /> Lodi, California 95240 <br /> Phone: (209) 368-4159 <br /> PROJECT DESCRIPTION: To divide two parcels totaling 55 acres into four 10 acres <br /> parcels and a Remainder Parcel of 15 acres. <br /> TEST RESULTS: <br /> Minimum Usable <br /> Parcel No. Test Hole 3' Deep Percolation 25' Max. Deep Percolation Disposal Area <br /> No. Rate (Minuteslinch) Rate (Minutes/Inch) (Square Feet) <br /> 1 SPH 1 Failed to meet S.J. Co. Stds. No Recommend. <br /> 1 DPH 1 30 12,000 Sq. Ft. + Pits <br /> 2 SPH 2 Failed to meet S.J. Co. Stds. No Recommend. <br /> 2 DPH 2 30 12,000 Sq. Ft. +Pits <br /> 3 SPH 3 30 10,000 Sq. Ft. <br /> 4 SPH 4 30 10,000 Sq. Ft. <br /> SOIL PROFUX No water was encountered in excavating the shallow, 3-feet deep, <br /> percolation test holes, SPH 1,2, 3 & 4, one test hole on each of the planned four parcels. <br /> Preliminary one-hour tests on the 3-feet deep percolation test holes on Parcels 3 and 4 <br /> revealed that 25' deep maximum deep percolation testing would be required. The 25' feet j <br /> maximum deep percolation test holes serve as the needed Soil Profile Test hole. See the <br /> attached "Percolation Test Details" sheets as well as the text of this report for the specific <br /> soil layers character and the "Test Hole Location Map"for test hole location details. <br /> WELL WATER ANALYSIS: The results of earlier well water testing for <br /> Dibromochloropropane(DBCP)and Nitrates(NO3)are made an integral part of this study <br /> by including the results of A&L Western Agricultural Laboratories testing which is <br /> contained in their attached letters dated 09/12/2002 and 09/25/2002 which are attached to <br /> this report. <br /> RECOMMENDATIONS: Discharging effluent into 12,000 square feet minimum usable <br /> disposal areas with seepage pits is recommended for Parcels 1 & 2. 10,000 sq. ft. <br /> minimum usable disposal areas with subsurface leach lines are recommended for Parcels 3 <br /> & 4. <br />