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July 12, 1989 - UST removed along with about 25 CY spoil . Strong <br /> gasoline odor noted , and discolored soil observed at west end of <br /> tank near pump island. Three (3) soil samples tai en; one at each <br /> end of the tans and one about 2 ' below the tanL . Samples delivered <br /> to Canonxe labs under Chain-of-Custody. Spoil was returned to hole. <br /> July 31 , 1989 -- Sample analysis, completed; see Table l for results <br /> January 19--23, 1990 -- Site re-entered , e.,z st x ng spoil removed , and <br /> an estimated 300 CY of additional spoil was removed , which reSul ted <br /> in a pit approximately 30 ' long X 19 wide X 21 deep . A total of <br /> seven (7) samples were collected , (see Plates IX & X , ) and were <br /> transported under Chain--of--Custody to f-GL. Environmental Laboratory <br /> for analysis. The spoil was placed on plastic on an asphalt storage <br /> area , and covered with plasEic . <br /> February 12, 1997 -- FGL Environmental issued laboratory analysis of <br /> the above samples; refer to Table II for test results. <br /> The results of the lab tests showed that the two bottom samples <br /> showed very minor amounts of BTX&E , and no detectable levels of <br />• TPH--G, EDB, or organic lead. The sxdewall samples on the northeast , <br /> east , and southeast portions of the pit were clean. The two <br /> sidewall samples on the northwest and southwest end of the <br /> excavation revealed low levels of Toluene, Xylene, and Ethyl <br /> Dibromxde. Only the sample on the southwest side of the pit , <br /> (SW-2W , ) showed detectable levels sof TFH-G. <br /> June 2(), 1990 - Correspondence from EHD requiring a work plan for <br /> borings and/or groundwater monitoring wells. <br /> In order to define the e-tent and configuration of the plume, we are <br /> submitting the following Workplan for your revic-w. Worl will <br /> commence as soon as approval is received from your office. <br /> PROPOSED WORKPLAN <br /> 1 . Drill five (5) 4" auger holes to a maximury3 depth of 40 ' at the <br /> approAlmate locations shown on the attached Exhibit A. If it is <br /> logistically feasible , boring No. D--2 will be started from the <br /> bottom of the existing excavation. 1+ that is not possible , it will <br /> be located ai., close to the side of the pit as possible. <br /> 2. Split-spoon soil samples will be taken at 1 ' °v 5 ' , and every 5 ' <br /> to and including the bottom of the each boring. The lxthology will <br /> be described , and samples taken and/or supervised by a Registered <br /> Geologist. Upon completion of this phage of the work , all borings <br /> 2 <br />