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�p E Rso NEIL O. AN"F.RSON & ASSOCIATES, INC. <br /> GEOTECIINICAL.I,.rtONMENTAL•GROUNDWATER•INSPECTIONS•TEST1Nt1..0AI3ORATORY SERVICES <br /> D ,n SACRAMENTO OFFICE CORPORATE OFFICE <br /> 4229 Northgate Boulevard,Suite 3 22 Houston Lane <br /> G CHICO (530)891-6304 Sacramento,California 95834 Lodi,California 95240 <br /> y �P <br /> STOCKTON (209)472-1091 (916)929-9267 (209)367-3701 <br /> r S O C <br /> RANCHO CORDOVA (916)6314455 FAX:(916)929-9269 FAX:(209)333-8303 <br /> December 18, 2001 <br /> SOIL SUITABILITYINITRATE LOADING STUDY <br /> APN 005-141-34 <br /> 25570 W. HWY 99 FRONTAGE ROAD <br /> ACAMPO, CALIFORNIA <br /> OUR JOB NUMBER: LGO1-375 <br /> I. INTRODUCTION <br /> At the request of Bob Liebig, our office conducted a soil suitability/nitrate loading study <br /> for the subject property which is located at 25570 W. Hwy 99 Frontage Road near Collier Road <br /> & State Route 99, Acampo, California(Plate 1). The assessors parcel number for the project site <br /> is APN 005-141-34. The property is 1.15 acres in size. <br /> The Soil Suitability/Nitrate Loading Study (SS/NLS) was conducted to determine if the <br /> soils are suitable for the use of a septic system and to estimate whether the proposed project will <br /> impact ground-water quality. The study was performed according to the requirements of Section <br /> 9-1105.2(d) of the San Joaquin County Development. Major elements of the field work included <br /> drilling one (1) soil profile boring and two (2)percolation tests, required by San Joaquin County <br /> Public Health Services for final approval of the lot line adjustment. One percolation test was <br /> shallow, the other was deeper. <br /> In addition to conducting the field work, a review of published soil information, geologic <br /> maps, and available ground water information was reviewed to determine the suitability of soils. <br /> Due to the County's concern with nitrate contamination of ground water in the area, a nitrate <br /> loading balance was a requirement for project approval. The nitrate loading study was conducted <br /> to estimate the potential impact of leaching nitrates from the septic system effluent into ground <br /> water. This report presents the results of our study. <br />