Laserfiche WebLink
Metadata
Document management portal powered by Laserfiche WebLink 9 © 1998-2015 Laserfiche. All rights reserved.
PAGE <br /> QUARTERL�'Y_MONITQRING-REPORT 4of61 <br /> QUARTER DATE <br /> Third Quarter 2005 19-Oct-2005 <br /> 1.0 Introduction <br /> 1 1 Scope of Work <br /> 1 1 1 Environeenng Inc (EI)has been retained by California Tank Lines, Inc (CTL)to provide <br /> professional environmental services at 3105 South EI Dorado Street, Stockton,CA(the Site) <br /> The location of the Site is shown on Figures 1 and 2 This report documents the third <br /> quarter of groundwater sampling conducted at the Site on 12 September 2005 The period <br /> covered in this report is from July 2005 to September 2005 <br /> 12 Monitoring Activities Performed <br /> 1 2 1 Groundwater monitoring and sampling at the Site during this quarter took place on 12 <br /> September 2005 This quarter's sampling included the following <br /> • Groundwater elevation measurements in all wells <br /> • Testing for natural attenuation indicators of groundwater samples, including pH, <br /> conductivity,and temperature <br /> • Removal of free product in MW-2 <br /> Quarterly groundwater sampling of monitor wells MW-1, MW-2, MW-3,and MW-4 <br /> • Laboratory analysis of ground water samples for <br /> Volatile Organic Compounds[benzene, toluene, ethylbenzene and xylenes <br /> (BTEX)], Fuel Oxygenates[methyl-tert-butyl ether(MTBE), di-isopropyl ether <br /> (DIPE),ethyl-tertiary-butyl ether(EtBE),tertiary-amyl-methyl ether(TAME), tertiary- <br /> butanol (TBA), 1,2-dibromoethane (EDB), 1,2-dichloroethane(OCA12)],and TPH- <br /> gasoline by EPA Method 8260B Volatile Organic Compounds by Gas <br /> Chromatography/Mass Spectrometry(GC/MS) <br /> -� Total petroleum hydrocarbons as diesel and motor oils(TPM-diesel and TPH-oil)by d <br /> Method LUFT GC/MS � <br /> 1 2 2 The locations of all monitor wells as well as historical boreholes are shown on Figure 3 <br /> Appendix A provides a histoncal summary of field activities at the site and Appendix B— i a � <br /> contains this quarter's original Well Purging and Sampling Documentation The laboratory <br /> results of the groundwater analyses for the current monitoring period as well as historical <br /> results are shown on Table 2 Laboratory Analytical Reports and the Chain-of-Custody Form <br /> are provided in Appendix C 140, <br /> 2.0 Site <br /> 21 Description <br /> 21 1 The site is located in the southern part of the City of Stockton, California at 370 55'7 67" <br /> latitude and 1210 16'43 45"longitude(Figures 1 and 2) The site is an essentially level <br /> commercial trucking facility,which contains an office building,two truck maintenance shops, <br /> a truck-washing facility, a small above-ground storage tank compound, a vehicle fueling <br /> facility and a large parking area for tank trailers <br /> 3.0 Geology <br /> 31 Description <br /> 31 1 The site is situated in the northern part of the San Joaquin Valley, in an area underlain by <br /> i <br /> THIS DOCUMENT AND CONTENTS ARE THE PROPERTY OF ENVIRONEERING, INC <br /> I <br /> I <br />