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Soil Suitability and Nitrate Loading Study <br /> THREE B'S TRUCK AND AUTO PLAZA <br /> 14749 Thornton Road/Pennant Drive, Lodi, California <br /> TABLE OF CONTENTS <br /> SECTION PAGE <br /> 1.0. INTRODUCTION AND PROPOSED DEVELOPMENT......................................... 1 <br /> 1.1. DESCRIPTION OF SITE.................................................................................... 1 <br /> 1.2. DESCRIPTION OF PROPOSED DEVELOPMENT ........................................... 1 <br /> 1.3. PARCEL VICINITY LOCATION MAP................................................................. 2 <br /> 1.4. SITE MAP ..........................................................................................................2 <br /> 2.0. PRESENT AND PAST USAGE OF SITE.............................................................. 2 <br /> 2.1 POTENTIAL SITE PROBLEM ASSESSMENT .................................................. 2 <br /> 3.0. EXISTING AND PROPOSED SEPTIC TANK USAGE......................................... 2 <br /> 3.1 . EXISTING ON-SITE SEPTIC TANK USAGE..................................................... 3 <br /> 3.2. SITE SEPTIC PERMIT HISTORY...................................................................... 3 <br /> 3.3. ON-SITE SEPTIC TANK REPAIR HISTORY..................................................... 3 <br /> 3.4. EXISTING SEPTIC TANK USAGE IN THE GENERAL AREA...........................4 <br /> 3.5. GENERAL AREA SEPTIC PERMIT HISTORY..................................................4 <br /> 3.6. PROPOSED MAXIMUM SEPTIC TANK USAGE ON SITE ...............................4 <br /> 4.0. GROUNDWATER INFORMATION - REGIONAL HYDROGEOLOGY.................5 <br /> 4.1 . GROUNDWATER DESCRIPTION FOR THE GENERAL AREA ....................... 5 <br /> 4.2. GROUNDWATER CONTAMINATION IN THE AREA OF THE SITE................. 5 <br /> 4.3. ON-SITE EXISTING WELL DESCRIPTION....................................................... 6 <br /> 5.0. SOIL PROFILE .....................................................................................................6 <br /> 5.1. SOIL PROFILE PIT INCLUDING DEPTH AND DIMENSIONS .......................... 6 <br /> 5.2. SOIL LITHOLOGY AS RELATED TO FUTURE ONSITE SEPTIC USES.......... 7 <br /> 6.0. PERCOLATION TEST INFORMATION................................................................7 <br /> 6.1. NUMBER OF PERCOLATION TESTS PERFORMED....................................... 7 <br /> 6.2. CONSTRUCTION OF PERCOLATION TEST HOLE......................................... 7 <br /> 6.3. DESCRIPTION OF THE PERCOLATION TEST HOLE - POST SOAK ............. 7 <br /> 6.4. PERCOLATION TEST CONFORMED TO SJC POLICY EHD 98-02 ................ 8 <br /> 6.5. COMPLETED PERCOLATION TEST FORM..................................................... 8 <br /> 6.6. POTENTIAL PROBLEMS PREDICTED............................................................. 8 <br /> 6.7. PERCOLATION TEST FINDINGS ..................................................................... 8 <br /> 7.0. CHEMICAL AND PHYSICAL PROPERTIES OF SOIL ........................................8 <br /> 7.1 . CHEMICAL AND PHYSICAL PROPERTIES OF SITE SOILS........................... 9 <br /> 7.2. MASS TRANSPORT PROPERTIES OF UNDERLYING SITE SOILS ............... 9 <br /> 8.0. GROUNDWATER ANALYSIS ..............................................................................9 <br /> 8.1 . DESCRIPTION OF LOCAL GROUNDWATER .................................................. 9 <br /> 8.2. EXISTING OR POTENTIAL GROUNDWATER CONTAMINATION .................. 9 <br />