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Office of the <br /> County Administrator n yLVE`EAI TII <br /> Capital Projects Divis'on <br /> P i <br /> c'4tiFoai+�� mir <br /> PM : 34 <br /> COUNTY OF SAN JOAGQUiI� <br /> Courthouse, Room 678 <br /> 222 East Weber Avenue <br /> Stockton, California 95202-2778 <br /> (209) 468-2180 FAX (209)468-2186 <br /> August 14, 1995 <br /> Ms. Diane Hinson, R.E.H.S. <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> P. O. Box 388 <br /> Stockton, CA 95201-0388 <br /> Tear Mc. Pinson- <br /> 145 South Sutter Street, Stockton <br /> UST No Further Action Request <br /> The County of San Joaquin recently completed a review of underground storage tanks assigned to <br /> the above—referenced address and identified six former USTs that should not require further envi- <br /> ronmental corrective action. These six tanks and associated soil sample results are as follows: <br /> Tank 4: 1,000 gallon Waste Oil Tank Removed April 14, 1988 <br /> Two soil samples collected at a depth of 7 feet below ground surface (bgs) from beneath <br /> the UST contained up to 5.53 ppm Xylene, 0.86 ppm Toluene, 0.75 ppm Ethylbenzene. <br /> Concentrations of Benzene were Not Detected (ND) (< 0.066 ppm) and Total Volatile <br /> Petroleum Hydrocarbons were ND (< 10 ppm). <br /> Tank 6: Unknown Size Waste Oil Tank Removed May 3, 1988 <br /> One soil sample collected at a depth of 7 feet bgs from beneath the UST was ND for <br /> BTEX (<0.062 ppm) and ND for Total Volatile Petroleum Hydrocarbons (< 10 ppm). <br /> Taal, 7• Tgn4 of[,T1n4nn_yn iia a�er� �'nnto.:t Rarrenver�A/tay 3. 1QRR <br /> One soil sample collected at a depth of 7 feet bgs from beneath the UST was ND for <br /> BTEX (<0.062 ppm) and ND for Total Volatile Petroleum Hydrocarbons (< 10 ppm). <br /> Tank 8: Tank of Unknown Size and Content Removed May 3, 1988 <br /> One soil sample collected at a depth of 7 feet bgs from beneath the UST was ND for <br /> BTEX (<0.061 ppm) and ND for Total Volatile Petroleum Hydrocarbons (< 10 ppm). <br /> Tank 9: Tank of Unknown Size and Content Removed May 3, 1988 <br /> One soil sample collected at a depth of 7 feet bgs from beneath the UST was ND for <br /> BTEX (<0.062 ppm) and ND for Total Volatile Petroleum Hydrocarbons (< 10 ppm). <br />