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Ms Carol Oz Project 880-040 IA <br /> December 5, 2000 <br /> Page 2 of 6 <br /> s <br /> Remedial activities conducted on January 26, 2000 included removal of approximately 262 tons <br /> of impacted soil in the area below dispenser and product lines Excavation areas were selected <br /> based upon the results of January 7, 2000 sampling Excavation was restricted laterally by <br /> concrete canopy footings and asphalt surfacing Maximum excavation depth was 10 feet bgs due <br /> to the close proximity to groundwater Results of soil sampling and excavation were reported in <br /> IT's Product Line Upgrade and Soil Excavation Report dated March 15, 2000 The SJCPHS/ <br /> EHD requested further delineation of soil and groundwater impacts in their April 24, 2000 letter <br /> SCOPE OF WORK <br /> The assessment activities included tasks to define lateral and vertical extent of petroleum <br /> impacted soil and groundwater All work was done in accordance with the approved work plan <br /> and with stipulations of permits obtained from the SJCPHS/EHD Field and laboratory <br /> procedures are included as Attachment A <br /> Site-Specific Health and Safety Plan <br /> As required by the Occupational Health and Safety Administration(OSHA) "Hazardous Waste <br /> Operations and Emergency Response" guidelines (29 CFR 1910 120), and by California <br /> Occupational Health and Safety Administration (Cal-OSHA) "Hazardous Waste Operations and <br /> Emergency Response"guidelines (CCR Title 8, Section 5192), IT prepared a Site-Specific <br /> Health and Safety Pian The Site-Specific Health and Safety Plan was reviewed by the field staff <br /> and contractors prior to beginning field operations at the site <br /> Geoprobe Borings <br /> A total of five Geoprobe borings (GP-1 through GP-5) were completed on August 15 and 16, <br /> 2000 using a direct push rig (Figure 3) The borings were advanced to groundwater at which <br /> time a discrete water sample was collected Groundwater was encountered at approximately <br /> 14 feet bgs Following groundwater sample collection the borings were continued to a maximum <br /> depth of 30 feet bgs Soil samples were collected at four-foot intervals using a four-foot <br /> continuous core sampling device Borings were sealed with bentonite grout upon completion <br /> Monitoring Well Installation <br /> Three groundwater monitoring wells (MW-1 through MW-3) were installed on <br /> September 6, 2000 at the locations shown on Figure 2 The well locations were selected based <br /> upon results of the Geoprobe investigation The wells were completed to a depth of 25 feet bgs <br /> and were constructed using 2-inch diameter PVC casing with 15 feet of screen Well completion <br /> 3 <br /> SMDP It<SACRFPIIGOMHIOMConsvllingkiatalShoredlPrrlectslmiscIS800401Aaadoe IT CORPORATION <br />