Laserfiche WebLink
500 East Grant Line Road <br /> Chronology Page 408/04/97 <br /> 09-17-91 CVRWQCB correspondence concurring with all comments and requests made in PHS/EHD <br /> I correspondence dated September 5, 1991. The Board also requested information regarding sidewall <br /> samples. <br /> 09-30-91 Alton correspondence included the"PAR". <br /> 11-08-91 PHS/EHD correspondence'included CVRWQCB and PHS/EHD comments and commented on the <br /> PAR. PHS/EHD disagreed with the conclusion that additional investigation was not necessary. The <br /> PAR proposed periodic pumping. PHS/EHD requested an FRP and executive summary be <br /> submitted. <br /> 11-26-91 Alton correspondence indicated that they would proceed with submittal of a work plan to do the <br /> additional investigation requested and would install a pumping well to implement periodic pump out <br /> of groundwater from AW3 and the proposed recovery well. <br /> is <br /> 12-20-91 Alton correspondence included,a work plan for a supplemental site investigation and ground water <br /> remedial program. <br /> 3 <br /> 1992 k <br /> 02-06-92 Mobil correspondence included the"Quarterly Report"dated January 21, 1992. <br /> i <br /> 02-10-92 PHS/EHD correspondence commented on the "Work Plan" dated December 20, 1991. PHS/EHD <br /> concurred that additional soil/groundwater investigation was necessary. PHS/EHD recommended <br /> soil sampling every 2-2.5 feet. Direct discharge to sanitary sewer disallowed in the City of Tracy. <br /> Requested quarterly reporting. 1 <br /> 03-11-92 Alton correspondence regarding a telephone conversation with PHS/EHD staff on February 24, 1992 <br /> indicated that the quarterly report for November 1991 would be submitted to Mobil for review and <br /> forwarded the first week of March to PHS/EHD. . The quarterly report for February 21, 1992 <br /> sampling will be submitted by April 1, 1992. <br /> 03-24-92 Mobil correspondence included the"Quarterly Report"dated March 6, 1992. Manual pump outs for <br /> interim remediation are scheduled to begin April 1992. <br /> 03-25-92 Alton correspondence included a pen-nit application. <br /> F <br /> 03-26-92 PHS/EHD performed a site inspection to witness pump out of A-3. <br /> 03-27-92 Mobil correspondence included the "Quarterly Monitoring Report" dated March 26, 1992 for the <br /> February 21, 1992 sampling event. <br /> 04-03-92 PHS/EHD permit 492-0631 issued for an on site extraction well. PHS/EHD issued permit#92-0632 <br /> for off site soil investigation. PHS/EHD performed a site.inspection to witness drilling activities. <br /> Received faxed information from Kleinfelder regarding an investigation on the Leprino property. <br /> 04-17-92 PHS/EHD correspondence;commented on the March 26, 1992 "Quarterly Report". PHS/EHD <br /> requested the validity of the February 21, 1992 sampling event,since PHS/EHD was not notified and <br /> the normal QA/QC field procedures were not followed. <br /> 04-23-92 Scharff and Greben correspondence indicated a current address for the firm which is representing <br /> Tracy Venture. <br /> 04-24-92 PHS/EHD performed a site :inspection of groundwater sampling activities. Additional PHSIEHD k <br /> ,M <br /> I r <br />