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I P4,;I SFS ACE <br /> WE❑ GROUNDWATER ► <br /> .JAN r_ i Pro 1 ' 55 <br /> 11:11:1E! TECHNOLOGY, INC. 4057 Port Chicago Highway,Concord CA 94520(415)6712387 <br /> � <br /> FAX (415)685-9148 <br /> January 14, 1994 <br /> Project No 020702819 <br /> Mr Harlan Knoll <br /> San Joaquin County Public Health Services <br /> 445 N San Joaquin Street <br /> Stockton, CA 95201 <br /> SUBJECT Quarterly Groundwater Monitoring Report, October-December 1993 <br /> Manna Pro Facility <br /> 4004 South EI Dorado <br /> Stockton, California <br /> Dear Mr Knoll <br /> Groundwater Technology, Inc is pleased to submit this Quarterly Groundwater Monitoring Report for <br /> the quarter ending December 31, 1993 Groundwater monitoring and sampling were performed and <br /> this report prepared according to Section 2652(d) of the Underground Storage Tank regulations <br /> Or (California Code of Regulations, Title 23, Subchapter 16) and as requested in the May 20, 1991, letter <br /> from Public Health Services (PHS) to Mr Dean Willis of O'Melveny and Myers In accordance with <br /> the May 20, 1991, letter, this report presents <br /> ■ Status of site investigation and clean-up activities, <br /> ■ Groundwater monitoring data, and <br /> ■ Groundwater quality data <br /> Status of Site Investigation and Clean-Up Activities <br /> The following activity was conducted during the quarter ending December 31, 1993 <br /> ■ Conduct quarterly monitoring and sampling of wells on October 27, 1993, <br /> ■ Installed one groundwater extraction well and three observation/nested vapor point <br /> wells in September 1993, and <br /> ■ Conducted a 72-hour aquifer test and vacuum-enhanced pumping test in <br /> October 1993 <br /> 2819RO43 070 <br /> Offices throughout the U S Canada and Overseas <br />