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_ 06/29/93 16:26 B&U WASTE SCIENCE AND TECHNOLOGY 002' <br /> B&V WASTE SCIENCE AND TECHWOWGY CORP. <br /> TELEPHONE MEMORANDUM <br /> East Bay Municipal Utility District BVWST Project 40429.100 <br /> Stockton Service Center BVWST File D.2 <br /> Detection limits June 29, 1993 <br /> 2:30 pm. <br /> From: Diane Hinson <br /> Company: San Joaquin County Public Health Services <br /> Phone No.. (209) 468-3452 <br /> Recorded by: G.R. Millikan/S.B. Owen <br /> Diane stated that the detection limits specified in the Tri-Regional <br /> Guidance for sail are actually more stringent than those required by <br /> San Joaquin county. San Joaquin county defers to the Leaking <br /> Underground Fuel Tank (LUFT) Field Manual for soil detection limits. <br /> The LUFT soil detection limits are as follows: <br /> TPHg-. 10 mg/kg <br /> TPHd: 10 mg/kg <br /> Benzene: 5 ug/kg <br /> Toluene: 5 ug/k9 <br /> Ethylbenzene: 5 ug/kg <br /> Xylenes: 15 ug/kg <br /> Diane .stated that San Joaquin County uses the detection limits <br /> specified by the Tri-Regional Guidance for water. <br /> BVWST indicated that we would pass these detection limits on to our <br /> client and the laboratory, and incorporate these limits into the work <br /> plan. <br /> Regarding the issue of double containment for the storage drums, Diane <br /> said that the National Fire Code requires double containment for <br /> storage of hazardous waste. Diane also stated that although the City <br /> of Stockton Fire Department enforces this, the County does not. Greg <br /> Millikan pointed out that the waste will be assumed to be nonhazardous <br /> until proven otherwise and unless free product is found. Wo will <br /> incorporate this assumption into the work plan. Greg Milliken also <br /> stated that if the characterization reveals that the waste is <br /> hazardous, it will be double contained pending disposal Diane agreed <br /> on this plan of action. <br />