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V <br /> TRACY COMMUNITY MEMORIAL HOSPITAL <br /> PAGE 5 <br /> water sample showed nondetect for TPH extractable <br /> MW#3 w <br /> and B at at detection limits of 100 ppb and 0.5 ppb, <br /> respective) However, a duplicate water sample . <br /> Y• ` <br /> indicated 0.9 ppb toluene. <br /> 12-04-89 PHS/EHD receives a WP for twslant gaslngs to be drilled <br /> t tank to be closed <br /> underneath the 1, 000 gallon regularM <br /> in place. This tank is <br /> dernremove cooling tower and <br /> would be difficult to physically. <br /> l boringsdrilled <br /> th the <br /> 12-28-89 Two angle soiasolinetankstoabe left rinaplace. <br /> 1, 000 gallon regular g <br /> ASB#s was drilled to a vertical depth of 24 ' BGS with the <br /> 14 ' and 21' samples being submitted for' analysis. The <br /> PID did notaptect any hydrocarbons. Groundwater was <br /> encountered at approx. 16' BGS. <br /> epth of 31 <br /> ASB#2 was drilled to a <br /> vertical submitted0 fore analysis <br /> 18 ' and the 22 ' sample m g n the 18 ' soil sample. <br /> The PI detected only 9 PP <br /> Ground water- was encountered at this depth also. <br /> 1994 <br /> 02-06-90 PHS/EHD receives the report discussing the results of the <br /> two angle soil borings. All .four soil samples were <br /> and EDB at <br /> nondetect for BTEX, TPH as gasoline, lead <br /> detection limits of 0. 005 ppm, 10.0 ppm, 1. 0 ppm, and <br /> 0.005 ppm, respectively- <br /> 02-21-90 1, 000 gallon regular gasoline tank closed in place this <br /> date with approx. 4 yards of cement slurry. <br /> 03-15-95 Site placed in -LOP <br /> 1229-95 Ground water sampling repot, monitoring wells sampled 5/3/95 and <br /> 8/31/95. No contaminants detected. -Closure of site recommended. <br /> I "- <br />