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PUBLIC TIEALTHPq��k <br /> SERVICES <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Ernest M. Fujimoto, M.D., M.P.H., Acting Health Officer <br /> �4�!F pSte`P <br /> 445 N. San Joaquin Street • P.O. Box 388 • Stockton, CA 951��1--egg=� <br /> (209) 468-3420 <br /> PETER WALLACE <br /> P O BOX 99308 F���j�� <br /> STOCKTON CA 95201 <br /> RE : Hess-Dubois Cleaners SITE CODE : 2504 <br /> 348 W. Harding Way <br /> Stockton, CA 95203 <br /> Thank you for submitting to San Joaquin County Public Health <br /> Services, Environmental Health Division (PHS-EHD) the " Interim <br /> Work Plan" dated December 1994 . A review of this plan as well as <br /> the Quarterly Groundwater Monitoring Report for the third quarter <br /> of 1994 has been completed and the following items require your <br /> attention. <br /> The quarterly report does not contain the Quality Analysis or <br /> Quality Control (QA/QC) data sheets that are required. Please <br /> have your consultant or laboratory submit the original to PHS-EHD <br /> as soon as possible and ensure that this data is included in all <br /> future quarterlies . <br /> PHS-EHD hereby modifies its monthly groundwater monitoring <br /> requirement to quarterly monitoring. Please have your consultant <br /> make appointments for witnessing these events by calling me with <br /> no sooner than 48 hours working time advance notice . <br /> Monitoring well 3 has consistently failed to produce enough <br /> groundwater to meet minimum purge requirements prior to sampling. <br /> This well shall be brought into usable condition immediately or <br /> destroyed under permit and replaced by another well that will <br /> provide valid data at this location on site . PHS-EHD recommends <br /> redevelopment and adequate surging of this well in an attempt to <br /> remove the blocked condition prior to destruction. <br /> PHS-EHD recommends that in future workplan submittals site <br /> specific conditions only be related and the generic entries such <br /> as item 15 on page 6 be deleted. Since no 'entire-depth't cement <br /> grouting of soil borings are included in this plan, PHS-EHD <br /> requests that this item be amended to reflect well grouting <br /> procedures only. The entry " . . . EPA Methods GCFID/5030 and <br /> 602 . . . "on item 12 , page 6 suggests that TPH as Stoddard Solvent <br /> and BTEX can be tested by the one method. Please utilize EPA <br /> Method 8015mod for TPH analysis and EPA Method 8020 for the BTEX <br /> constituents . <br /> Oini%ion of San Juaiiuio Cimm.% Health (:are Scr.'icc� <br />