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Beck Property,Tracy,CA November 1988 Site Investigation Property Research AEMC conducted property research activities to obtain more detailed information of reservoir operation, future land use, critical environments, and are well information. Supplemental research information can be reviewed in the Draft Preliminary Site Assessment for the Beck Property (10 February 1988) prepared for State DHS by the Radian Corporation. Reservoir Operation Southern Pacific Railroad (SPRR) operated the subject locomotive fuel oil storage reservoir during the years 1926 through 1945. Details of the reservoir operation and associated facilities are either not available or sketchy at best. AEMC obtained the available information from Mr. Gilmore, an attorney for SPRR, and from legal depositions which are documented in Beck's application submitted to DHS in February 1988. Evidence indicates that locomotive fuel oil was transported via pipeline to and from the reservoir through the Associated Pipeline Pumping Station (Renown parcel). Apparently railway tanker cars delivered the fuel oil to the pumping yard for piping (and heating?) to the storage reservoir. In turn, fuel oil was discharged out of the reservoir to the pumping station, then loaded onto tanker cars for regional distribution. Refer to the SPRR drawing depicted on Figure 5 to review the pipeline (identified as a 12" discharge pipe) traversing from the northwest corner of the reservoir to the southwest corner of the Associated Pipeline Pumping Station. Existence of this pipeline (at least 18" underground) is confirmed in deed documents between the Pacific Oil Company and SPRR in 1926. A pump house was located immediately outside the northwest corner of the reservoir. AEMC found no evidence to indicate any other pipelines or methods of oil recharge/discharge from the reservoir. In August 1953, eight years after operation, the empty reservoir (1-foot of water with est. 4 inches of oil residue) caught fire and burned for a day and a half. A photograph of the reservoir fire was printed in the Tracy Press on 29 July 1987. This te�tt�i Page 19