Laserfiche WebLink
s r y <br /> Remedial Investigation/Feasibility Study Work Plan <br /> SIERRA LUMBER <br /> 375 West Hazelton Avenue, Stockton, California <br /> 1.0. INTRODUCTION <br /> Advanced GeoEnvironmental, Inc (AGE) has prepared this Work Plan for the installation of one <br /> ground water extraction well, two soil vapor extraction (SVE) wells, one ground water momtonng <br /> well and performance of a ground water/soil vapor extraction and an in-situ air sparging pilot study <br /> at 375 West Hazelton Avenue (the site), Stockton, California The location of the site is illustrated <br /> in Figure 1 A plan of the site is illustrated on Figure 2 <br /> This Work Plan is prepared in accordance with San Joaquin County Public Health Services - <br /> Environmental Health Division (PHS-EHD) and Central Valley Regional Water Quality Control <br /> Board (RWQCB) guidelines for the investigation of underground storage tanks (UST) sites <br /> The purpose of this Work Plan is to evaluate the lateral extent of dissolved petroleum hydrocarbons <br /> and to evaluate feasibility and cost effectiveness of remediation alternatives of hydrocarbon- <br /> impacted soil and ground water at the site <br /> • <br /> 2.0. BACKGROUND <br /> The site is located approximately 1,000 feet northwest of the intersection of Scott Street and <br /> Commerce Street in a topographically flat area of Stockton, California(Figure 1) The site is further <br /> described as being located in the southeast quarter of Section 8, Township 1 North, Range 6 East, <br /> Mount Diablo Base and Meridian (Stockton West Quadrangle, 7 5-Minute USGS Topographic <br /> Series, 1968, photo revised 1987) <br /> 2 1 SITE DESCRIPTION <br /> t , <br /> The property is currently occupied by a lumber manufacturing facility The facility consists of <br /> several warehouse buildings used for the manufacture and storage of lumber <br /> r <br /> 2 2 UNDERGROUND STORAGE TANK REMOVAL - <br /> In August 1988, one 1,000-gallon gasoline UST was removed from inside an eastern warehouse at <br /> the site (see Figure 1) Upon UST removal, two soil samples were collected from the floor of the <br /> excavation The first soil sample(UST-1) was collected from a depth of 9 feet below surface grade <br /> (bsg), the second soil sample (UST-2) was collected from a depth of 15 feet bsg Total petroleum <br /> hydrocarbons quantified as gasoline (TPH-g)were detected in UST-1 and UST-2 at concentrations <br /> Advanced GeoEm ironmental,Inc <br />