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1 <br /> Harding Lawson Associates <br /> t <br /> p/ <br /> U l <br /> January 14, 1991 <br /> 20264,004.02 <br /> John Breuner Company <br /> 3201 Fostoria Way <br /> San Ramon; California 94583 <br /> Attention: Mr. Peter Meier /C e ' <br /> 198` T <br /> Gentlemen: <br /> Work Plan <br /> Evaluation of Petroleum Hydrocarbons in Soil 1 <br /> Breuners Stockton Facility <br /> Stockton,.California <br /> 1 <br /> Harding Lawson Associates(HLA)is pleased to present this work plan for an evaluation of petroleum <br /> hydrocarbons in soil at the Breuners facility, 7676 Pacific Avenue, Stockton, California(site). Plate 1 <br /> presents an area map. <br /> SIZE BACKGROUND <br /> RL-A's summary of the site background is based on information provided in Levine-Fricke's(LF) <br /> report dated November 9, 1989, on the removal of one underground storage tank at the site. <br /> Lone 10,000-gallon underground storage tank,product line and:dispenser was rreemc�ved from the site ; <br /> on SeptembeY8-through 21, 1989. The tank had been used most recently:for diesel storage but had <br /> been used previously for gasoline storage. The tank was approximately 10 feet east of the loading dock <br /> area and about 100 feet north of the store building. Plate 2 presents a site map. The tank had been <br /> covered by approximately 3 feet of sand backfill and asphalt pavement. <br /> BMs. Kasey Foley;?Environmental Health Specialist with the San Joaquin Local Health District, and <br /> Mr. Rodney Ezell, from the Stockton Fire Department were onsite to observe tank removal and soil � <br /> excavation/sampling activities. <br /> Approximately 250 gallons of residual fluid was pumped from the.tank into a vacuum truck and <br /> transported for disposal to H and H Ship Service Company(H&H)by California Oil Recyclers, Inc., of <br /> Newark, California. The tank was then rendered inert by inserting approximately 190 pounds of dry <br /> ice to displace gasoline vapors and oxygen. The tank was removed after explosivity meter readings in <br /> the tank, taken at least i hour after the dry ice was inserted, indicated that vapor concentrations were <br /> below 20 percent of the lower explosive limit. <br /> Engineering and 7655 Redwood Boulevard, PO. Box 578, Novato, CA 94948 415!892-0821 <br /> Environmental Services n Subeidirrry of Nursling ASY061 :e 4 OQres Nminnwide <br />