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ti./ <br /> Wright <br /> July 13, 1995 " Environmental <br /> Services, Inc. <br /> San Joaquin County, PHS-EHD <br /> P.O. Box 2009 <br /> 445 N. San Joaquin Street <br /> Stockton, CA 95201 <br /> Attn: Ms. Linda Turkatte <br /> Re: Diesel spill at Greystone Station, Tracy, CA. <br /> Dear Linda, <br /> Wright Environmental Services, Inc. (Wright) has been retained by Veri Built <br /> Construction of Dixon, CA to perform environmental sampling services at Greystone <br /> Station, a housing subdivision located in Tracy CA. <br /> Background <br /> An aboveground diesel storage tank used by the construction crew was vandalized <br /> resulting in a spill of approximately 200 gallons into a secondary containment box <br /> filled with sand with some subsequent leakage into the near surface soils in the <br /> vicinity of the containment box and the tank. Veri Built's on site staff removed the <br /> tank and containment debris and excavated the visibly contaminated soil and placed <br /> all the material between plastic at a remote location at the site. At that time, Wright <br /> contacted the San Joaquin County Public Health Service-Environmental Health <br /> Division (PHS-EHD) of the spill and forwarded the correct notification forms to Veri <br /> Built to complete and submit with their fee for oversight. <br /> Technical Approach <br /> Wright will collect soil samples as required by PHS-EHD in the area of the former <br /> aboveground diesel tank. The samples will be analyzed for Petroleum Hydrocarbons <br /> as Diesel (TPHD) by method 8015 and Benzene, Toluene, Ethylbenzene, and Xylene <br /> (BTEX) by method 8020. The samples will be placed in new 2" brass liners and capped <br /> with Teflon' paper and sealed with plastic end caps and placed on ice for transport to <br /> Priority Environmental Lab in Milpitas, CA, a state certified laboratory. The <br /> stockpiled soil was sampled in four locations and composited into one sample and <br /> analyzed for TPHD and BTEX as required for disposal as Class II, daily cover material at <br /> Waste Management Inc., Altamont landfill (profile #368702). During soil disposal <br /> activities, visibly impacted soil beneath the stockpile's plastic liner was over <br /> excavated and disposed of. A copy of the analytical results required for disposal are <br /> included with this workplan. <br /> If you have any questions, please call our Tracy office at (209) 833-0758. <br /> W fight Environmental Services, Inc. <br /> L <br /> Lester Messina <br /> Project Manager <br /> cc: Steve Surano, Greystone homes, Inc. <br /> Cory Strack, Veri Built Construction <br /> enclosure: Chemical analytical data for disposal <br /> 4220 Commercial Dr. #5 - Tracy, California 95376 its, <br /> Telephone (209) 833-0758 • Fax(209) 832-5152 <br />