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SB3. <br />The borings were grouted to the surface with a neat cement grout. Drill cuttings were contained in <br />appropriately labeled 55 -gallons drums and remain on site jpending further site investigation. <br />Soils encountered beneath the site consisted predominantly of elastic silt (MH) to approximately 17 to <br />20 feet and silt with sand (ML) from approximately 17/20 feet to approximately 26 feet, the maximum <br />depth explored. <br />LABORATORY ANALYSIS <br />Soil and groundwater samples were analyzed for total F <br />EPA method 8015 modified and benzene, toluene, ethy <br />8020. <br />The soil sample collected from SBI (20.0 feet below gr <br />TPHG, 0.056 ppm benzene, <0.005 ppm toluene, 0.15 <br />The groundwater sample collected from S131 contained 12 <br />benzene, 36 ppb toluene, 1,200 ppb xylenes, and <4.0 p <br />samples collected from borings S132 or S133 contained gas. <br />limits. Copies of the laboratory reports are included in A <br />Please call John Lane or Greg Stahl at Ground Zero if <br />Respectfully, <br />Ground Zero Analysis, Inc. <br />John P. Lane <br />Pro' ct Geologist <br />regory P. tahl <br />CA Registered Geologist No. 5023 <br />JPL <br />Attachments: Tabulated Historical Data <br />Field Boring Logs <br />Laboratory Reports <br />cc: Mr. Mark Ranuio <br />Mr. Bill Tryon, Wells Fargo Bank <br />GREGORY P. <br />STAAHL <br />No. 5023 <br />f <br />�� F <br />`Z aF CAt. <br />h: \wp51 \groundze\ranuio\ranuio. sum 3 <br />hydrocarbons as gasoline (TPHG) by <br />and xylenes (BTEX) by EPA method <br />le) contained 5.2 parts per million (ppm) <br />)m xylenes, and 0.018 ppm ethylbenzene. <br />100 parts per billion (ppb) TPHG, 470 ppb <br />i ethylbenzene. None of the soil or water <br />ine constituents above laboratory detection <br />achment C. <br />have any questions regarding the project. <br />CA <br />