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• upper sample was taken from the gray clay, the lower one imme- diately below it at 7 ' Refer to PLATE VII for details Laboratory results of those samples , ITABLE ,JI & EXHIBIT E 1 revealed that BTEX, EDS, TPH-G, and total lead were all below detection limits in the sample taken, at 7 ' , (S1 ) A small amount of Xylene was present in the soil sample taken at 4 ' , (S2 , ) all other components tested were below detection levels The removed spoil was returned to the hole After reviewing the results of the above work, the County EHD stated that site closure could not occur and that additional work would be required, refer to EXHIBIT F for documentation At this point , Wm J Hunter & Associates , (WJH, ) was retained to evaluate the situation and prepare a workplan for site cleanup WJH prepared a workplan on Feb 11 , 1993, to remove additional spoil from the site and take appropriate samples A copy of that workplan is attached as EXHIBIT G DISCUSSION OF OPERATIONS PEFORMED UNDER WJH WORKPLAN • Work commenced on April 6 , 1993, under the direction of Wm Hunter, RG, equipment was operated by Jamie Thorpe & Richard Thorpe from Jim Thorpe Oil Operations began by removing spoil from the west side of the existing excavation using a backhoe, the spoil was placed on plastic at a site to the northwest of the pit Soils consisted of gray to tan to brown sandy clays , clayey sands , & sticky dark gray plastic clays Bedding planes were indistinct, dipping to the south at about 15 degrees Some irregular beds of greenish-black clay were removed, some portions had a faint petroleum odor, while other portions did not Excavation continued from the west wall , and all evidence of contamination was removed While excavating at a depth of about 6 1/2 to 7 feet, water began seeping into the bottom Clean soil was stored at the northeast side of the area, separate from the contaminated spoil The backhoe moved to the south part of the hole, and continued to remove material from the site, soils consisted of a mixture of clays & sandy clays Water continued to seep into the hole, the depth was measured at 7 feet No "rainbow" or petroleum sheen was observed, but a slight film of unknown composition was apparent on portions of the water As the backhoe worked towards the southeast side, it encountered a lense of soft, loose, gray colored sand, which had a definite petroleum odor & apparent discoloration As additional material was removed, the evidence . of contamination decreased, and the sand changed to a tan to buff 4-