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Mr. Steven Osborn • 3 • 14 November 2007 <br /> KMEP Holt Release Site, Holt <br /> • Upgradient wells M-2 and M-3 are removed from the program. KMEP should <br /> continue to sample M-1 because this well provides northeasterly plume definition <br /> and is the only well in this area. <br /> • Deep wells N-21 through N-23 are removed, but KMEP needs to continue <br /> monitoring N-24 due to the concentrations of benzene and TPHg. <br /> • MTBE and TBA are removed from the list of constituents. <br /> • General chemistry analyses associated with the bioremediation pilot study are <br /> removed, but field readings for dissolved oxygen and oxygen reduction potential are <br /> still required in order to provide data to monitor MNA progress. <br /> 3. The text of the Work Plan lists the 10 SVE wells as SVE-1 through SVE-10, but the <br /> figures and boring logs identify them as VEW-1 through VEW-10. KMEP should refer <br /> to the wells as VEW-1 through VEW-10 in future reports. <br /> 4. Regional Water Board staff concur with the destruction of the 10 SVE wells and deep <br /> wells N-21 through N-23. KMEP should destroy these wells as outlined in the Work <br /> Plan and notify Regional Water Board staff when the wells have been properly <br /> destroyed. <br /> In summary, by 5 December 2007, please review and provide comments on the attached draft <br /> MRP. KMEP should also proceed with the destruction of the 10 SVE wells and deep wells N- <br /> 21 through N-23 and notify Regional Water Board staff when completed. <br /> If you have any questions, you may contact me by phone at (916) 464-4819 or email me at <br /> kshelton(a�waterboards.ca.gov. <br /> sv� <br /> KRISTI SHELTON <br /> Water Resources Control Engineer <br /> Aboveground Tanks Cleanup Unit <br /> cc: Mr. Dennis Kalson, Solano County Department of Environmental Management, Fairfield <br /> Mr. Cleve Solomon, Delta Environmental Consultants, Monrovia <br />