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1 sample was most likely from the south face. This location is situated between the tank and the fuel pump Product lines, fuel pump, and Tank B are all within close proximity of this location There is no record that the removed tank was damaged or otherwise leaking. ' The following conclusions are based on several interdependent factors These include but are not limited to evaluations of the technical information presented above, experience and professional judgement • On 26 March 1987 an underground storage tank was removed from the north side g g of warehouse 6 at Pacific Coast Producers' Lodi Cannery, 32 Tokay Street, Lodi, California At the time of the removal, an unauthorized release was noted by San Joaquin County Local Health District Directed soil sampling was performed and samples were transported to a State certified laboratory for analysis • Correlation between the date of sampling and the date of receipt conflict Inspection Reports of the San Joaquin Local Health District and Laboratory Soil analysis results are the only documentation validating soil sampling Inspection Reports dated 13 April 1987 and 30 April 1987 indicates soil sampling of the excavation sidewall and floor Laboratory reports from California Water Lab, Inc., P O Box 42, 1430 Carpenter Lane - Suite G, Modesto California 95352, received soil samples on 26 March 1987 and 13 April 1987 This discrepancy of date >� correlation indicates that there were at least three samplings performed in 1987 pertaining to this site. There are no Inspection Reports to describe the position of the sampling, but the 30 April 1987 copy describes this sampling location as a "resample". • The Underground Storage Tank Unauthorized Release (Leak)/Contamination Site Report issued by David Carls of the San Joaquin Local Health District dated 17 May 1988 has indicated several items for question First under the topic of "Source of Discharge" the box for UNKNOWN is checked and TANK LEAK or PIPING LEAK boxes were unmarked Second, under the topic of "Cause(s)", again the Unknown box is marked, and the OVERFILL, CORROSION, SPILL, RUPTURE/FAILURE boxes are unmarked Third, the topic of "Case Type" is ' described as SOIL ONLY, leaving the_groundwater and the undetermined boxes unmarked Fourth, the topic of "Current Status" is marked as NO ACTION TAKEN, with the boxes for SITE INVESTIGATION IN PROGRESS (DEFINING ' EXTENT AND PROBLEM), CLEANUP IN PROGRESS, SIGNED OFF (CLEANUP COMPLETED OR UNNECESSARY), POST CLEANUP MONITORING IN PROGRESS, NO FUNDS AVAILABLE TO PROCEED, ' EVALUATING CLEANUP ALTERNATIVES are left unmarked Last under the topic of "Comments", the statement "Soil contamination noted during tank removal" If there were any signs of corrosion , or spillage when the tank was removed it should have been noted at the time of the removal and in the unauthorized release report. The "Source of Discharge" category eliminates tank or pipe leaks The "Cause" category in the report eliminates corrosion, spilling, or DUFOUR ENVIRONMENTAL AND RESOURCE MANAGEMENT PCP LODI CANNING UST CLOSURE GSA WPCp-LORI SAM 10 JULY 1991 ' 5