ARCHIVED REPORTS XR0012673 - Laserfiche WebLink

Home Browse Search

'!wn,NAMUR p c.- 5 r'• ter` 1 '=' - "..a 7 i PROBLEM ASSESSMENT REPORT Moa re Petroleum, Inc. 1399 E. Yosemite Avenue, Manteca, CA Nr,A Project No. 10-90-480 Page 3 TABLE 1 Tank Information size Product Storee A�f� Status 10,000 gallons Regular gasoline 18-20 years Removed 10,000 gallons Unleaded gasoline 18-20 year.. Removed 10,000 gallons Premium Unleaded gasoline 18-20 years Removed J, 1,000 gallons Waste oil 18•-20 years Operating f 10,000 Premium Unleaded gasoline < 1 year Operating 10,000 Regular Unleaded gasoline < 1 year operating 8,000 Regular gasoline < 1 year operating 2.2 Summary of Previous Work Previous work perfcrmed at the site includes investigations performed by Earth Treatment Systems Environmental (ETS) in August, 1988, and Delta Environmental Consultants, Inc. (Delta) in May and September, 1989. Work ccmpleted by ETS included the drilling of four soil borings, installation of one monitoring well, and the collection of soil and ground-water samples from the soil borings and monitoring well. Results of the work performed by ETS was submitted in a report titled Environmental Preliminary Site Assessment. Work completed by Delta at the site in May, 1989, included the drilling of two soil. borings, completion o` two monitoring wells (MW-2 and MW-3) , collection of soil and ground-water samples for laboratory analysis, determination of the direction and velocity of ground-water flow, and the issuance of a report titled preliminar I3 dra sola is Assessment Re ort. In September, 1989, Delta representatives collected soil samples from beneath USTs at the site and supervised the installation of the below-ground components of a soil venting system. Resultsof this work by Delta, which has not been reported elsewhere, and more recent activities at the sive completed by NGA will be reported in the following sections.