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Since 1898 <br /> Geotechnical and Environmental Engineering•Construction Inspection•Materials Testing•Analytical Chemistry <br /> February 1, 1993 TL 492-0181-01 <br /> PAYMENT <br /> San Joaquin County Public Health Services RECEIVED <br /> Environmental Health Division FEB 04 1993 <br /> 445 North San Joaquin SAN JOAQUIN COUNTY <br /> Stockton, California 95201 PUBLIC HEALTH SERVICES <br /> ENV IRONMENTAL HEALTH DIVISION <br /> Attention: Mr. Michael Infurna <br /> RE: Work Plan for Geotechnical Field Investigation <br /> 13170 Grantline Road (former) <br /> Tracy, California <br /> Dear Mr. Iniurna: <br /> This work plan presents the proposed methods for drilling, <br /> sampling, and backfilling test borings at the above referenced <br /> project site. This plan presents the purpose and scope of our <br /> field investigation, the field procedures to be used, and the <br /> materials to be used for the project. This drilling is part of a <br /> supplemental geotechnical investigation for the project. Twining <br /> previously conducted a geotechnical investigation at this project <br /> site. A permit was issued by your department, dated August 26, <br /> 1992. (permit No. 92-2902) , for the previous work. <br /> Purpose and Scope <br /> The purpose of our work . is to drill test borings for <br /> Geotechnical Purposes to investigate the soil types, physical <br /> properties, and groundwater depth along the existing west side <br /> irrigation district canal. The purpose of this investigation is <br /> not to collect soil or groundwater samples for chemical or <br /> environmental analysis. to <br /> c� V <br /> le <br /> ❑ 2527 Fresno Street•P.O.Box 1472 ❑ 9401 West Goshen Avenue <br /> Fresno,California 93716 Visalia,California 93291 <br /> (209)268-7021 •Fax(209)268-7126 (209)651-2190•Fax(209)651-2654 <br /> ❑ 4230 Kiernan Avenue,Suite 105 ❑ 3701 Pegasus Drive,Suite 124 <br /> Modesto,California 95356 Bakersfield,California 93308 <br /> (209)545-1050•Fax(209)545-1147 (805)393-5088•Fax(805)393-4643 <br />