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I � <br /> 16 Closure Report 3 <br /> Golden Grain Manieca Bean Facility,299 Moffat Boulevard,Manteca,California July 16,1996 <br /> t <br /> 'f.9.3 Operating Permits <br /> Following approval of the Remedial Plan, final design work for the site remediation system and <br /> permitting procedures began During this period of design,testing, and permitting, quarterly <br /> monitoring and sampling was carred out according to SJCPHS requirements <br /> An Industrial Waste Water Discharge Permit for the treated groundwater effluent was approved by <br /> the City of Manteca as documented in their letter of April 17, 1992 An Authority to Construct Permit <br /> was issued by the San Joaquin Valley Unified Air Pollution Control District's(UAPCD) Stockton office <br /> ' on June 1, 1992 for the vapor treatment system The Waste Water Discharge Permit was issued on <br /> June 18, 1992, by the City of Manteca Public Works Department Construction work began on <br /> ' August 11, 1992, and system Installation was completed on September 4, 1992 The building permit <br /> was Issued on September 10, 1992, and system startup was on September 14, 1992 Following a <br /> Plant Observation and Reinspection Report on December 3, 1992 (Groundwater Technology 1992), <br /> the final Permit to Operate was approved by the San Joaquin Valley UAPCD <br /> 2.0 SITE CHARACTERIZATION <br /> ' Site charactenzation began in 1986 when a 700-gallon leaded gasoline fuel tank was removed from <br /> the site A chronology of the assessment work performed at the site is presented in table 1 As <br /> noted in table 1, Steams, Conrad and Schmidt Consulting Engineers, Inc (SCS), provided oversight <br /> for the tank removal, installation of eight groundwater monitoring wells, and associated groundwater <br /> sampling from 1986 through 1989 (SCS 1986, 1987a, 1987b, 1988) In 1989, Groundwater <br /> Technology, Inc (present corporate name Fluor Daniel GTI), began providing consulting services for <br /> the site and has continued to do so Assessment of the subsurface geology and hydrogeology, <br /> ' extent of petroleum hydrocarbon impacted soil and groundwater was accomplished using the <br /> following methods <br /> ' ■ collecting soil and groundwater data from fourteen groundwater monitoring wells and one <br /> groundwater extraction well <br /> ■ performing a soil gas survey <br /> in conducting slug and aquifer tests <br /> • <br /> 4202=3 CR <br /> FLUOR DANIEL GTI <br />