SITE INFORMATION AND CORRESPONDENCE

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V I CHRONOLOGY 25411 LONE TREE ROAD, ESCALON 12/08/86 Site evaluation made. PHS/EHD report notes the following UST's: 1-7000 gallon Regular gas UST, 1-2000 gallon Unleaded gas UST, 1-2000 gallon Diesel UST, 1-1000 gallon Unleaded gas UST. 09/08/87 Four UST's removed: 1-7000 gallon Regular gas UST, 2-3000 gallon Unleaded UST's, 1-1000 gallon Unleaded UST which was identified as a 2000 gallon Diesel UST at the time of the site evaluation on 12/08/86 (soil beneath this UST was not analyzed for Diesel). The 1000 gallon tank reportedly had a small hole under the fill pipe. Only one soil sample was taken from the area of the two 3000 gallon Unleaded UST's. PHS/EHD staff noted odor to the soil in the area of the 3000 gallon UST's. The soil sample results from the area of the 3000 gallon UST's confirmed BTX and TPH- gas contamination. The other sample results were non detect. 11/22/96 The site was placed in the Local Oversight Program. 06/30/98 Five soil borings were drilled and soil samples were collected. ; SBI, SB2, SB3 were in the area of the 3000 gallon UST's where soil sample results evidenced contamination at the time of the UST removals. Low levels of contamination were found at 15 and 20 feet below grade. All results were non detect at 25 feet below grade. SB 4 was in the area of the dispensers and the soil sample result was non detect. SB5 was in the area of the former UST which was reportedly Diesel and then Unleaded gas. The sample from this boring was analyzed for TPH diesel only and was non detect. 09/01/98 PHS/EHD reviewed the "Summary Report" dated 8/25/98 and agreed with closure of the site. ' i I i