Laserfiche WebLink
Metadata
Document management portal powered by Laserfiche WebLink 9 © 1998-2015 Laserfiche. All rights reserved.
' Quarterly Report,- December 1999 <br /> • PACIFIC PRIDE - SOUTH EL DORADO STREET <br /> I , 3147 South El Dorado Street, Stockton, California <br /> ' 1.0. INTRODUCTION <br /> Advanced GeoEnvironmental, Inc (AGE) has prepared this Quarterly Report for well installation <br /> ' and ground water monitoring and sampling activities at 3147 South El Dorado Street(site), Stockton, <br /> California The location of the site is illustrated in Figure 1, general features at the site are illustrated <br /> ' in Figure 2 <br /> The scope of work of this investigation included installation of four ground water monitoring wells <br /> with the objective of assessing and monitoring the impact of petroleum hydrocarbons on ground <br /> ' water This report is prepared in accordance with guidelines established by the San Joaquin County <br /> Public Health Services - Environmental Health Division (PHS-EHD) and by the Central Valley <br /> Regional Water Quality Control Board for investigation of underground storage tank (UST) sites <br /> Background information is summarized in the Preliminary Investigation and Evaluation Report- <br /> June 1999, dated 26 July 1999 and prepared by AGE <br /> • 2.0. PROCEDURES <br /> ' In December 1999, monitoring wells MW-1, MW-2, MW-3 and MW-4 were installed on-site, <br /> ground water monitoring and sampling was performed on each newly installed well Ground water <br /> ' monitoring procedures for the site were outlined in Monitoring Well Installation Work Plan - <br /> September 1999, dated 01 September 1999, prepared by AGE and approved by the PHS-EHD,by <br /> letter on 23 September 1999 <br /> ' 2 1 DRILLING AND SAMPLING <br /> On 13, 14 and 15 December 1999, four soil bonngs/monitonng wells (MW-1, MW-2, MW-3 and <br /> ' MW-4)were advanced on-site as part of site assessment activities related to the former USTs at the <br /> site Soil borings MW-2, MW-3 and MW-4 were advanced vertically to depths of 50 feet below <br /> surface grade (bsg), MW-1 was advanced vertically to 60 feet bsg Soil borings were advanced <br /> ' utilizing a CME-75 high torque, truck-mounted drill rig equipped with 8-inch diameter hollow-stem <br /> augers Soil cuttings were stockpiled ori and covered by plastic sheeting at the site, the soil <br /> bonng/monitonng well locations are depicted in Figure 2 <br /> 2 1 1 Soil Sample Collection <br /> ' Discrete soil samples were collected at 5-foot intervals beginning at 5 feet bsg from all four soil <br /> ie borings Soil samples were collected utilizing a California split-spoon sampler loaded with 2-inch <br /> l <br /> Advanced GeAnvironmental,Inc <br />