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to the site of the removed leach field Locations of that work are shown on GATE VI; more complete details are given in prior reports. Refer to .TABLE I for a summary of laboratory analyzes of the work done. November, 1993 - Two hand-auger samples were taken 5' & 10 ' west of the second chamber of the concrete septic tank, (which is still in place, ) to depths of about 12' bgl The samples were analyzed for kerosene, diesel, & motor oil; the east sample was below detection limits, but the west sample measured 20 mg/kg of TEPH The excavation was filled with clean material; we do not have details of that work Se t tuber 30 1994 - A 1, 000 gallon waste oil tank was removed from a site adjacent to the wash rack by Jim Thorpe Oil, Inc. ; it' s location is shown on PLATE VII . Soil samples were taken from the excavation & the spoil pile, and analyzed for BTEX, TPHG, TEPH, EPA 8010 , EPA 8270, & CAM-TTLC. 10 metals. The results of those analyzes are summarized on TABLES II . III , IV, & V The excavation was filled with clean material, and the spoil pile moved to a site adjacent to the diesel tanks_ Laboratory worksheets were included with the November workplan. October 4 1994 - Jim Thorpe Oil, Inc. removed a 10 ,000 gallon, a 5, 000 gallon, and a 3, 000 gallon UST which had contained diesel fuel; refer to PLATE VIII for their locations. Soil samples were taken from beneath the tanks & the fill line connecting the two sets, as well as along the product line leading to the northeast end of the shop building. Details of that work has been discussed in detail in prior reports. Results of laboratory analyzes are summarized on TABLE VI_ November 7 . 1994 - Wm. J. Hunter & Associates, (WJH, ) submitted a workplan to the CRWQCB for placing three (3) soil borings, (& converting one to a groundwater monitoring well, ) for the purpose of attempting to determine the source and extent of hydrocarbon contaminants found in the groundwater in the vicinity of the leach field. A copy of that workplan, (w/o exhibits, ) is included as EXHIBIT A. December 7 1994 - Jim Thorpe submitted a workplan to the San Joaquin County EHD proposing to overexcavate the site of the three diesel tanks, and take additional samples as required_ A copy of the workplan is included as EXHIBIT I7. December 9 1994 - The CRWQCB responded to the WJH workplan, stating that the proposed work was not sufficient, and required that a more thorough investigation be conducted A copy of that letter is included as EXHIBIT B. 3