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NtAT IST 5- 4-93 ; 8:84AM ; BROWN AND CALDWELL-+ 7643##12094 ,40188#;# 2/ 4 <br /> 1 <br /> MAY 0 4 7993 i <br /> WORK PLAN E NMENTAL HEALTH <br /> FOR BUREHOLE DRiLLMG AND SOIL SAW][ IT/SERVICES <br /> Pt(ASE 1 <br /> SIIELDON OIL COMPANY ST'OC1C'f0N FACILITY <br /> STOCIWTON, CALIFORNIA <br /> This work plan bas been prepared by Brown and Caldwell Consultants (RCC) for sheldon <br /> Oil Company (Shcicdon) to install fourteen boreholes at the Sheldon Stockton facility located at <br /> f Miner Street and Highway 99, Stockton, California (tate)_ <br /> The work plan will be submitted to Shciclon Oil and the San Requin County Department <br /> of l3nvironnental Health(County)for roview and approval. Before cotnmencing work at the site, <br /> all necessary permits will be acquired from the County, and Underground Services Akcrt will be <br /> notified- <br /> The <br /> otifiedThe work plan describes the purpose and scope of the Phase 1 investigation. Appendix A <br /> providets a desc,�ription of BCC's standard operating procedures for the work, propostxf. <br /> F <br /> Plll"OSE <br /> } <br /> The purpose of the Phase 1 investigation at the site is to begin to define the lateral and � <br /> vertical extent of petroleum hydrocarbons in soil beneath the site. Petroleum hydrocarbons were <br /> found in toil at the site during recent excavation activities. The Phase 1 work will be in close <br /> proximity to the existing excavation, and any permanent installation; will be destroyed by h <br /> bubseyuent excavation. The Phase 1 work will help determine where to place permaetrt � <br /> groundwater moultoring wells and additional sail boring%. <br /> SCOPF, <br /> The;scope of this investigation will include:: (1)acquisition of pertnits for installation of soil <br /> borch€tles and four temporary groundwater monitoring wells, (2)installation and sampling of the <br /> soil boreholes and installation of the tempcwy groundwater monitoring wells, and <br /> (3) coordination of soil disposal wid abandonment of the soil boreholes and temporary monitoz-,`.ug <br /> wells. <br /> x��quz�:xt�Rrs`sr�c�nsan.wP <br /> F� <br /> I � , <br />