Laserfiche WebLink
' IT Corporation <br /> 4005 Port Chicago Highway <br /> Concord, CA 945101120 <br /> Fel 925 288 9898 <br /> the <br /> Fax 925 288 0888 <br /> t1*0UP. <br /> A Alembe r of The IT Group <br /> c� <br /> October 4,2001 <br /> r <br /> Mr Bob DeNinno <br /> ' 7-Eleven, Inc _ <br /> 3130 S Owyhee Street <br /> Boise, ID 83705 <br /> � f <br /> Subject Third Quarter 2001 Monitoring and Sampling Report and Pre-Closure Sampling Workplan <br /> 7-Eleven Store No 17647 <br /> 1048 West Yosemite Avenue <br /> ' Manteca, California <br /> IT Corporation Project 781721 <br /> Dear Mr DeNinno <br /> This Third Quarter 2001 Monitoring and Sampling Report presents the results of monitoring and sampling <br /> ' activities performed by IT Corporation at the subject site (Figures 1 and 2,Attachment 1) on June 27, 2001 A <br /> summary of activities conducted during this reporting period is provided below <br /> • Depth to water(DTW)was gauged in three site-related groundwater monitoring wells <br /> • Groundwater samples were collected from the three monitoring wells and submitted to a <br /> ' California-certified laboratory for analysis of benzene,toluene, ethylbenzene and total xylenes <br /> (BTEX),total petroleum hydrocarbons-as-gasoline (TPH-G),the oxygenates methyl4ert-butyl-ether <br /> (MTBE),tert-butanol (TBA),dusopropyl ether(DIPS), ethyl-tert-butyl ether (ETRE), and tert- <br /> amylmethyl ether(TAME) <br /> 1 <br /> A September 26, 2001 conversation with Mr Harlin Knoll of the San Joaquin County Environmental Health <br /> Department(SJCEHD)indicated that no further action (requested initially in March, 2001)would be reviewed <br /> after completion of <br /> - Sampling of all groundwater monitoring wells at the site for 1,2-dichloroethane (1,2-DCA)and <br /> ethylene dibromide (EDB) <br /> - Collection of selected soil samples and at least one grab groundwater sample downgradient of <br /> the existing well configuration to complete plume delineation, results to be submitted with a <br /> residual mass calculation <br /> The foregoing data is proposed to be collected during the fourth quarter 2001, and the site submitted for final <br /> closure review This document contains a workplan for the referenced activities There are no active fueling <br /> r facilities at this location <br /> r <br />