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MAY-25-1993 11-41 FROM GEOLOGICAL TECHNICS TO 14648138 F.04 <br /> : Lodi Ready Mex �A a <br /> Work Plan <br /> Px ject No. 93.1 <br /> May 25, 1943 <br /> Page 2 <br /> neat cement grout (<4% bentonite/cement) through the tremie tube up to <br /> grade. <br /> Soil Sampling and Analyses <br /> All soil samples will be screened using field methods by observing <br /> discoloration and organic vapor meter reading. <br /> Up to four soil samples, to include one from the capillary fringe, will be <br /> submitted to GeoAnalytical Laboratories (State Certified Laboratory#E757) far <br /> benzene, toluene, ethylbenzene and xylene (BTEX), and diesel range <br /> petroleum hydrocarbons (nPH) analyses. The detection limits for the EpA <br /> 8020 (BT'EX) analysis is 5.0 µg/kg and 5/50 mg/kg for TEPH. A Chain of <br /> Custody will be completed for all samplers collected and tracked to ensure <br /> sample integrity. <br /> Reporting <br /> The information gathered during this phase of work will be presented in a <br /> report which will include a summary of the geology and results of sample <br /> analyses. The report will be signed by a registered professional geologist <br /> responsible for the work. Copies of the report will be forwarded to both the <br /> appropriate County and State regulatory agencies. <br /> Respectfully submitted, <br /> GEOLOGICAL TECHMCS INC <br /> LOKSM <br /> Timothy Wald �� �, <br /> Geologist at.xaa�lu�rw� o <br /> c� <br /> a <br /> NO.X34 9r <br /> 1Z old 1. Kablanow II Ph.D. s cq � <br /> 7_` A <br /> Registered California Geologist#5234 <br /> Registered Environmental Assessor 4901 <br /> enclosures <br /> W. Mike Collins, San Joaquin County <br /> Beth Thayer, CRWQCBCVR <br /> TOTAL p.04 <br />