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�rm H <br /> LZ <br /> Project 02260.01 November 20, 1990 <br /> TABLE OF CONTENTS <br /> - page <br /> s. INTRODUCTION ....... . . . . .......................................... . 1 <br /> BACKGROUND ....... ....... . .... ......................... ........ .. . . 1 <br /> PURPOSE AND SCOPE ....... ... ............................. ...... . ... 1 <br /> PROCEDURES ........ .... .. . ... ............... .......... .. ...... .. . 1 <br /> Soil Gas Survey .... . ...................... . . ..... . .. . ........ 2 <br /> Performance Test .... ... ...... .... ......................... . . <br /> RESULTS . .. . .. ......... . ... . ......... .......... . ....... ....... ... 3 3 <br /> Soil Gas Survey .. ... ..... ................................. r <br /> Performance Test .... .. . .... . ...... ....... ... . ...... . . ...... ... 3 j <br /> CONCLUSIONS ...... '. . .. .. ..... ...................... ........... .. . 4 <br /> TABLES <br /> 1. Soil Gas Survey Data, Beacon Station No. 695, 900 South <br /> a ... .. 5 <br /> Cherokee Lane, Lodi, California, 1?./fi-7/90 . <br /> ....... ... <br /> 2. Performance Test Data, Beacon Station No. 695, 900 South 6 <br /> - Cherokee Lane, Lodi, California, 11/7/90 ..••••••••••••• <br /> FIGURES11 <br /> 1 Site Map ..... .... . . ... . ............ ............. ........ . . .. 12 <br /> 2. Soii Gas V3par Concentrations .. . . .. .....• : <br /> ka 3. Sail Gas Vapor Concentrations and Contour Lines at 0 to 30` 13 <br /> 4. Soil Gas Vapor Concentrations and Contour Lines at 40' to 10' 14 <br /> APP,-'i;u3X A <br /> Figure A. Detail of Temporary Vacuum Probe and Probe Hole Closure <br /> 19 <br /> x� _ <br />