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?� R so NEIL O. ANDERSON & ASSOCIATES, INC. 22 Houston Lane <br /> P ti GEOTECHNICAL SERVICES-ENGINEERING LA13OF ATORIES <br /> Lodi, California.95240 <br /> Lodi (209) 367-3701 ' <br /> y +y FAX: (209) 333-8303 <br /> 4SS0 <br /> P <br /> May 26, 1999 / <br /> Job Number SN-110 ; &4 <br /> 8x999 � <br /> Mr. Dick Burge <br /> K.E. Curtis Construction <br /> 11338 S. Harlan Road E I V S D <br /> Lathrop, CA 95334 <br /> Subject: Shell Station, Old Fuel Tank Backfill J U L 0 7 1999 <br /> 1313 Charter Way <br /> Stockton, California ENVIRONMENTAL HEALTH <br /> PERMIT 1 SERVICES <br /> Dear Mr. Surge: <br /> This report presents the results of the compaction and field density tests performed on the old fuel tank <br /> backfiil at the subject project. ASTM D 1557 Compaction lests were conducted on samples of the fill. The <br /> results of these tests are presented next. <br /> SITEYISIT/01B.S.ERVATIONS <br /> Date Representative X Time Mileage <br /> 5-17-99 T. Schiess 1 hour 37 miles <br /> SUMMARY OF ON-SITE OBSERVATIONS: Picked tip proctor sample. <br /> ASTM D1557 COMPACTIO .TEST RESULTS <br /> Material 1VI7x►m m Dry Density Optimum Moisture Content <br /> ef % <br /> 314" Class II aggregate base 136.8 6.5 <br /> FIELD DENSITY ESTING <br /> Date Representative Time Mileage <br /> 5_17-99 M. Cozad 3 hours 55 miles <br /> 5-18-99 M. Cozad 2.5 hours 60 miles <br /> 5-19-99 M. Cozad 2 hours 30 miles <br /> 5-20-99 M. Cozad 2 hours 30 miles <br /> The field density tests were performed per ASTM D2922 and D3417. The results of the field density <br /> tests are oresented next. <br /> f �R <br />