ARCHIVED REPORTS_XR0008953 - Laserfiche WebLink

Home Browse Search

QUARTERLY REPORT June 1995 Lammersville Elementary School 16555 W. Von Sosten Road Tracy, California 1.0. INTRODUCTION In accordance with a request from Mr Kenneth Olds of the Lammersville School District (LSD), Advanced GeoEnvironmental, Inc (AGE) has prepared this Quarterly Report of field activities for the property located at 16555 W Von Sosten Road in Tracy, California (the site) The location of the site is illustrated in Figure 1, a plan of the site is illustrated in Figure 2 2.0. BACKGROUND 2 1 SITE LOCATION The site is located at the northwest corner of the intersection of Von Sosten Road and Hansen Road in a rural area northwest of Tracy, California The property is approximately 10 acres in size and is occupied by Lammersville Elementary School A maintenancegaraga and house are located near the northeast corner of the site, two underground storage tanks(USTs)were formerly located in this area The tanks were used to fuel school vehicles The Lammersville Elementary School yard is located immediately west and south of the project area 2 2 UNDERGROUND STORAGE TANK REMOVAL LSD operated one 550-gallon regular UST and one 2,000-gallon diesel UST at the site The gasoline tank was removed in December 1986 and the diesel tank was removed in March 1989 Samples collected from beneath the gasoline tank indicated a release of hydrocarbons According to I representatives of LSD, samples collected from beneath the diesel tank "showed no contaminants " However, because ground water depth was approximately 10 feet, the San Joaquin County Public Health Services-Environmental Health Division (PHS-EHD) required a subsurface investigation of the site 2 3 MONITORING WELL INSTALLATION AND SAMPLING Between 1987 and 1992, a total of ten ground water monitoring wells were installed at the site by Groundwater Technology, Inc (GTI) No petroleum hydrocarbons were detected in soil samples collected during installation of the wells i