Laserfiche WebLink
MEOMATR1X <br /> CORRECTIVE ACTION PLAN <br /> ' Former ContiGroup Gram Elevator <br /> 1805 Harbor Street <br /> Stockton, California <br /> ' This proposed Corrective Action Plan(CAP)was developed for affected soil and groundwater <br /> beneath the former Continental Grain Elevator(the site) located at 1805 Harbor Street, in Stockton, <br /> California(Figure 1) The CAP was prepared for ContiGroup Companies, Inc , and their consultant, <br /> Huff&Huff,Inc,by Geomatrix Consultants, Inc (Geomatnx) The site is regulated by the San <br /> Joaquin Department of Public Health Services,Environmental Health Division (PHS/EHD) The <br /> CAP was prepared to be consistent with the Underground Tank Regulations presented in Title 23 of <br /> the California Code of Regulations <br /> Soil and groundwater beneath the site is reported to be affected by residual petroleum hydrocarbons <br /> following the permitted removal of a 10,000-gallon underground fuel storage tank(UST) from the <br /> site in 1988 This CAP contains the technical data and rationale necessary for selecting a corrective <br /> action strategy that is technically feasible and cost effective <br /> 1.0 BACKGROUND <br /> The project site is located on the property of an active grain storage and transportation facility in <br /> Stockton,California currently occupied by the Penny-Newman Grain Company The grain terminal <br /> property is situated south of the Port of Stockton's Deep Water Channel and immediately north of a <br /> mixed light commercial and residential area(Figure 1) Additional industrial and commercial <br /> ' properties are located adjacent to the east and west of the subject property <br /> Four USTs,two 12,000-gallon USTs,one 10,000-gallon UST,and one 750-gallon UST,were <br /> removed from the property on January 22, 1988 under the supervision of PHS/EHD Two soil <br /> samples,U-1 and U-2,were collected by Canonie Environmental Services Corporation(Canonie) <br /> from the excavation for the 10,000-gallon tank at depths of approximately 17 feet below ground <br /> surface(bgs) The tank excavation reportedly extended to a depth of approximately 14 feet bgs <br /> Analytical results reported for these samples indicated the presence of total extractable petroleum <br /> hydrocarbons(TEPH)at concentrations of 160 and 24 milligrams per kilogram(mg/kg) No <br /> benzene,toluene, ethylbenzene,or xylenes (BTEX)were reported as detected in the samples No <br /> • significant concentrations of petroleum hydrocarbons were reported as detected in soil samples <br /> ' collected from the excavations associated with the two 12,000-gallon USTs Low concentrations of <br /> [\Doc_Safe19000s199631CAPNCAP txt doc 1 <br />