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Executive Summary <br /> On behalf of the California State Department of Transportation (Caltrans), IT Corporation (IT) <br /> has prepared re re d this ort to present the results of a soil and groundwater investigation at the <br /> p <br /> `i Lodi Yard Maintenance Station, in the city of Lodi, California(Figure 1). The site is located at <br /> 845 East Pine Street, east of Frontage Road. The property is an active maintenance yard and is <br /> owned by Caltrans. The objective of this investigation was to evaluate the presence, <br /> concentration, and the vertical extent of petroleum products in the soil.and groundwater at the <br /> site. jl; "+ <br /> d (I# <br /> } 11 2002, an underground utility location survey was conducted to assess the <br /> On February y cleared <br /> absence or presence of unreported underground utilities at the tWez found to be free of <br /> I proposed boring locations. The boring locations <br /> ! utilities for the p P . <br /> i <br /> anomaliesl. <br /> �> 14 and 15,2002;IT conducted an investigation that consisted o C evaluate nand <br /> On February methods for hthologi <br /> of two borings using Cone Penetrometer Trie CPT logng indicated that potential Water bearing <br /> soil and groundwater sample collection. T <br /> zones were located at 23.2 meters (76 feet) and 26.5 meters(87 feet). The second fo i gaud <br /> k� advanced was used to obtain a soil sample at 7.9 meters (26 feet)below group <br /> t groundwater samples from the targeted zones using Hydropunch methods. Petroleum ' <br /> hydrocarbons, VOC's, and fuel oxygenate compounds were not detected in the soil or to ' <br /> r <br /> groundwater samples collected at concentrations in excess of the analytical method report g <br />'f 1 limits. F <br /> Local regulatory agencies may require further investigation of the presence and concentration Of <br /> ' petroleum hydrocarbons within the soil and groundwater. - <br /> _ I <br /> +� p <br /> 4 _. <br /> t 0 <br /> jjj I 1 <br /> I <br /> ES-1 <br /> ! lnlormation Ted+aoh9Y•�lS4CRFPftCO11"j": a.... .... 52781aa.doc <br /> ' 1 4W2 , <br /> kt <br /> A - <br /> I <br /> x z I <br /> was also conducted acid the <br /> 2.2 Preparation of Workplan and HSP i-' <br /> A workplan was prepared that included the project objectives, scope of work, groundwater <br /> boring and sampling procedures, analytical methods and schedule. The workplan was reviewed ti <br /> and approved by Caltrans prior to the fieldwork. <br /> L <br /> A site-specific HSP (IT, 2001b) was prepared for the site in general accordance with 29 CFR <br /> L <br /> 1910.120 and Title 8, California Code of Regulations, Section 5192._The HSP included safety <br /> procedures for work to be performed at the site, chemical hazard information, site safety officers, <br /> I` 4 and a preferred medical emergency location.-" - - <br /> R Ink miafim TaohnoloQy%MiS RFPIICOMMOMsacDPl200MR APJ8 Dg35278.2aa.doc 2-1 <br /> a X02 <br /> it <br />