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f � f <br /> JUL 2 3 1930 <br /> ENV1Ru1vMEN AL HEALTH <br /> PERMIT/SERVICES <br /> 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 taken; one at each <br /> end of the tank and one . about 2' below the tank. Samples delivered <br /> to Canonie labs under Chain-of-Custody. Spoil was returned to hole. <br /> July 31, 1989 - Sample analysis completed; see Table 1 for results. <br /> January 19-23, 1990 - Site re-entered, existing spoil removed, and <br /> an estimated 300 CY of additional spoil was removed, which resulted <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 FGL Environmental Laboratory <br /> for analysis. The spoil was placed on plastic on an asphalt storage <br /> area, and covered with plastic. <br /> February 12, 1990 - 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 sidewall 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 /> Dibromide. Only the sample on the southwest side of the pit, <br /> (SW-2W, ) showed detectable levels of TPH-G. <br /> June 20, 1990 - Correspondence from EHD requiring a work plan for <br /> borings and/or groundwater monitoring wells. <br /> In order to define the extent and configuration of the plume, we are <br /> submitting the fallowing Workplan for your review. Work will <br /> commence as soon as approval is received from your office. <br /> PROPOSED WORKPLAN: <br /> 1. Drill five (5) 41' auger holes to a maximum depth of 40' at the <br /> approximate locations shown on the attached Exhibit A. If it is <br /> logistically feasible, boring No. B-2 will be started from the <br /> bottom of the existing excavation. If that is not possible, it will <br /> be located as close to the side of the pit as passible. <br /> 2. Split-spoon soil samples will be taken at 1 ' & 5' , and every 5' <br /> to and including the bottom of the each boring. The lithology will <br /> be described, and samples taken and/or supervised by a Registered <br /> Geologist. Upon completion of this phase of the work, all borings <br /> 2 <br />