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• <br /> '�glforrl <br /> liaTank Lines,Inc <br /> e 2 of 2 <br /> used rather than ND, if the reporting limit is raised, then less than the raised reporting <br /> limit is appropriate to enter into Table 2 _ <br /> 6 Superscnpts in Table 1 are conveying incorrect detection limits Superscript 1 indicates <br /> that the detection limit for gasoline is 0 05 parts per million (ppm)but laboratory reports <br /> indicate that the detection limit for gasoline is 0 1 ppm, Superscript 2 indicates that the <br /> detection limit for methyl tertiary-butyl ether (MTBE), benzene, toluene, ethyl benzene, <br /> and total xylene is 0 0005 ppm but laboratory reports indicate that the detection limit for <br /> MTBE, benzene, toluene, ethyl benzene, m,p-xylene, and o-xylene is 0 001 ppm, and <br /> Superscnpt 4 indicates that the detection limit for diesel is 0 5 ppm but laboratory reports <br /> indicate that the detection limit for diesel is 0 1 ppm <br /> 7 Each oxygenate result should be reported in Table 2 <br /> 8 Two additional analytes, 1,2-dichloroethane (1,2-DCA), and 1,2-dibromoethane (EDB) <br /> should be added to the analytical list and reported at 0 5 µg/L,if possible <br /> 9 Section 5 2 of the narrative lists the methods used for analyses These do not agree with <br /> the laboratory reports Please correct the methods in future quarterly reports <br /> 10 Section 7 3 states that diesel results for MW-I peaked at 72 ppm in June 2002 but Table 2 <br /> indicates that the date was September 2001 <br /> 11 Section 8 1,paragraph two, is difficult to understand Please revise this paragraph <br /> 12 The TPH-gasoline result for MW-2 collected on 11/11/03 should be 0 78 ppm,not <br /> 0 75 ppm <br /> Advanced GeoEnvironmental,Inc (AGE), the consulting firm for the site at 3105 South <br /> El Dorado Street in Stockton, would like to coordinate sampling on the same day that EI is at <br /> 3105 South El Dorado Street for the groundwater monitoring events AGE is also interested in <br /> sharing data with EI Please advise EHD if you are willing to coordinate future sampling events <br /> Laboratory analytical results have not been electronically submitted to GeoTracker—the State <br /> Water Resources Control Board database program This is required by Water Code Section <br /> 13196 and commonly referred to as AB 2886 Electronic transmission of laboratory analytical <br /> results to GeoTracker must be initiated immediately <br /> Dawn Sorenson requested information pertaining to a closure summary report This report should <br /> include required data listed in Table 1 from Appendix B of the Tri-Regional Guidelines A copy <br /> of Appendix B is included with this letter All items in Appendix B should be addressed to <br /> facilitate closure consideration <br /> Should you have any questions or concerns regarding this letter,please contact Vicki McCartney, <br /> REHS, at(209)468-3456, or by e-mail at vmccartney@slcehd com <br /> Donna Heran,REHS,Director <br /> Environmental Health Department <br /> Vicki McCartney,REHS Nuel C Henderson,Jr,RG <br /> Unit IV-Site Mitigation Unit IV-Site Mitigation / <br /> cc James L L Barton—CVRWQCB i <br /> Dawn Sorenson and Guy Roy--EI <br />