Laserfiche WebLink
r <br /> GROUND ZERO ANALYSIS, INC. <br /> r� <br /> 3422 W Hammer Lane, Suite C-294 <br /> Stockton, California 95219 <br /> Telephone (209) 952-3481 <br /> Facsimile. (209) 952-9891 <br /> January 11, 1996 <br /> I <br /> Mr Harlin Knoll <br /> I San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 445 N San Joaquin Street <br /> I P O Box 388 <br /> Stockton, CA 95201-0388 <br /> I <br /> Subject Summar} Report for Soil and Groundwater Sampling <br />' Normac, 6215 Tam O'Shanter Drive, Stockton, California <br /> y Dear Mr Knoll <br /> This letter report is submitted by Ground Zero Analysis, Inc (Ground Zero) to summarize field <br />' activities and analytical results of soil and groundwater sampling at the subject site The work <br /> was conducted to explore the nature of contaminants previously documented at the site The <br /> location of the site is shown on Figure 1 <br /> BACKGROUND <br /> I On July 12, 1989 Jim Thorpe Oil, Inc removed a 1,000-gallon underground storage tank (UST) <br /> from the site Two soil samples were collected, one from beneath each end of the former UST <br /> Total petroleum hydrocarbons as gasoline (TPHg), benzene, toluene, ethylbenzene, total xylenes <br />' (BTEX), ethylene dxbromide (EDB), and organic lead were not detected in the sample collected <br /> from beneath the east end of the former UST TPHg, BTEX, and EDB were detected at <br /> concentrations of 2,200 parts per million (ppm), 34 ppm, 420 ppm, 230 ppm, 1,100 ppm, and <br />' 7 6 ppm, respectively in the sample collected from beneath the west end of the former UST <br /> Organic lead was not detected in the sample Historical soil and groundwater analytical results <br /> are included in Attachment A <br />' In January 1990, the former UST pit was deepened to approximately 21 feet b s to remove <br />' additional impacted soil Analytical results of soil samples collected from the floor and sidewalls <br /> groundzelnormaclsumrepor 95 <br />