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f <br /> L <br /> 3 <br /> F; <br /> M. 110-0 H IVS 11M <br /> l0U {eet. <br /> There are <br /> feet p, with casr.ng seals below Main Street, {Beacon oil <br /> dee 470 NO- currentlY active <br /> wells located at to the <br /> monitoring and adjacent refer to Plate VIII <br /> Co. .) and 14 located on (229 Moffat Blvd, of those wells. ) <br /> project at Manteca Bean, the location are no <br /> indicai:�ng n{#ice, there <br /> for a larger scale map Engineering <br /> According to the Manteca thelvicinity of this site. <br /> known domestic wells in to the latest map issued by the <br /> According District, <br /> DEPTH TO GROUNDWATER; 1989 in the <br /> Flood Control and WinetheoFallvafxon <br /> San Joaquin County depth to groundwater about 2'? feet below <br /> IX) the deP about 15' M5L, ar, measurements <br /> (Plate site was water level with <br /> vicinity Of this is supported by wells associated <br /> ground level. This to Plate X) <br /> r of 1990 in the monitoring (refer <br /> taken in March aticn: <br /> the Manteca Bean groundwater <br /> investig locations of <br /> REMOVED TANKS; refer, to Plate IIs for <br /> LOCATION OF anon and 2,800 gallon fuel tanks that were removed <br /> both the 550 g <br /> from this property_ storage of <br /> '-" had been used for <br /> The 5,0 gallon tank o{ leaking was noted when <br /> TANp: USAGE: No evidence o{ soil samples <br /> uld, laboratory results and organic <br /> regular leaded gasoline. <br /> ullRd, and BTX&C:, EDB, TEPH-G, <br /> that tank was P used far <br /> The 2,000 gallon tank had been <br /> showed non-detectable limits or <br /> Table 1.) to the trustee for the estate' <br /> lead; (refer to but according records indicate <br /> storing diesel fuel , 5 years. Available <br /> used far over it was pulled. <br /> had not been the time <br /> ' the tank was empty at re arts, there <br /> As stated in previous p this tank- <br /> ESTIMATED AMOUNT <br /> OF LEAFAGE. or possible leakInt <br /> age from found <br /> of fuel UVer' small amount of uentare excav <br /> However, based ation, <br /> upon the <br /> are no records and during subseq <br /> " when the tank was removed, and quite small . <br /> the total. amount must have <br /> SUMMARY OF WORK PERFORMED TO DATE; gallon <br /> removed an empty 2,000 <br /> - Thorpe Oil Co. required by San Joaquin <br /> 1988 fuel. As <br /> November g+ soil samples were taken f�.°e <br /> UST which had contained diesel surface. <br /> two s}dewar (2) round <br /> Co, regulations'excavated area, 10" below g a{ Custody, <br /> end of the transferred under Chain Canonie <br /> each collected and and organic leaandythe void <br /> samples were BTXY,G, EDB, TPH-D, <br /> analyzed for was re dirt. <br /> '-o the hale, <br /> and The spoil Lean dirt. <br /> _ laboratories�ne tank was filled with c- <br /> accupied by from Canonie <br /> _... ......... repot LabsEa -- <br /> shawl <br /> _.... _.. __ __... tit,. was <br /> ......... ..... <br /> `2 I9$8 - Ldbara o ....... of the excava l.o ,..__ t TVPH. <br /> November -�+ from the east end tested excep <br /> tate sample taken all constituents <br /> below detection limits for <br /> 2 <br /> MMILM- -- �� <br />