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. First Quarter 1998 VES Report- Tosco 76 Branded Station No 6981 <br /> April 28, 1998 <br /> million vapor (ppmv) of TPHg and 0 21 ppmv of xylenes However, these concentrations are <br /> within the permit requirement of 95% or greater destruction efficiency or <2 pounds per day <br /> emission rate <br /> Second Quarter 1998 Scheduled Activities <br /> The following activities are planned for the site during the second quarter 1998 <br /> • GR will monitor and sample groundwater wells at the site, and will submit the quarterly <br /> groundwater monitoring and sampling report to the appropriate agencies <br /> • GR will continue to monitor VES operational parameters every two weeks Influent and <br /> effluent vapor stream samples will be collected monthly and analyzed as required in the <br /> operating permit The Second Quarter 1998 Status Report will be submitted to the <br /> appropriate regulatory agencies by July 31, 1998 <br /> If you have questions, please call us in Sacramento at (916) 631-1300 <br /> Sincerely, <br /> Gettler-Ryan Inc. J. <br /> i No 5577 <br /> Stephen J Carter <br /> Senior Geologist <br /> R G 5577 9TFor GAL�F���` <br /> 7c <br /> Greg A Gurss <br /> Project Manager <br /> Attachments Table 1 - Summary of VES Chemical Analytical Data <br /> Table 2 - Summary of VES Operation <br /> Figure 1 Vicinity Map <br /> Figure 2 Site Plan <br /> Field Methods and Procedures <br /> VES Chemical Analytical Data and Cham-of-Custody Forms <br /> • <br /> 140124 02 2 <br />