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E t-Y_4173NIUME. <br />File No. 20-1329-01 <br />August 18, 1989 <br />P G & E <br />Post Office Box 930 <br />Stockton, CA 95201 <br />Subject: <br />BACKHOE <br />.,.. ,. <br />ITS <br />AND METHANE GAS MEASOREMENTS <br />SOUTH SIDE OF FRENCH CAMP LANDFILL <br />CALIFORNIA <br />i, <br />Gentlemen: <br />presented in this letter are the results of the eight test pits performed in the vicinity <br />of the PG & E 8 -inch steel gas line located south of French Camp Landfill. The <br />Purpose of the test pits, which were excavated by P G & B <br />between 3J to 5 feet, was to disclose the personnel to depths of <br />ossevaluate if Methane gas was migrating south f ombtheplandfin si erresence ofe fuse Our and also <br />Observationto <br />e <br />were made on August lo, 1989, The Iocations of the test pits are shown on the <br />attached sketch. In all eight test pits only native soils were encountered consisting <br />mostly of silty sand with minor interbedded layers of sandy silt. No debris was <br />encountered in any of the test pits. Methane gas was evaluated using a Sentury OVA <br />88 flame ironization device. A background reading of 5 parts <br />the gas meter. Gas samples taken adjacent to freshly excavated million <br />ong the sidon <br />es <br />and bottom of the trenches indicated no readings above the background value. <br />We trust this letter presents the information requested at this time. <br />drafted the Logs of Test Pits as all materials were native soils. The field Io ®f the We have not <br />test pits will be kept on file. If you have need any further information, <br />contact us. please <br />Respectfully submitted, <br />KLEINFELD INC. <br />Ron Heinzen, G.E. <br />Regional Manager <br />RTH:sfa <br />cc: Jim Giottinnini MD#80 <br />, <br />KLEIWFELDER 2825 East Myrtle Street, Stockton, CA 95205 (209) 948-1345 <br />0 <br />