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Page 1 of 1 Vicki McCartney [EH] From: Tim Cuellar[tcuellar@advgeoenv.com] Sent: Friday, February 14, 2014 3:45 PM To: Vicki McCartney [EH] Cc: Nuel Henderson [EH]; Bill Little Subject: Pacific Car Wash Analytical Results Through January 2014 Attachments: Appendix C SVE Performance Charts.pdf; Appendix F- GWET Performance Charts.pdf, Table 1.pdf; Table 4.pdf, Table 5.pdf; Table 6.pdf; Appendix D -MW Plots.pdf Hi Vicki, As we discussed by telephone, the remediation system at Pacific Car Wash has been shut-down based on the EHD letter dated 01/31/14. I am forwarding you current tables and plots summarizing remediation results at Pacific Car Wash prior to shut-down (rebound). Based on the analytical data, it would appear the remediation extraction rates have steadily been increasing over the past 3-4 months. For January, the remediation extraction rate was estimated to be between 6-7 lbs./day (combined vapor & water). Please let me know if I can provide you with any additional data. Furthermore, the groundwater plume is still being detected at the site at concentrations of 100,000 ug/I, and that shutting down the remediation system (rebound) may have not been the appropriate time. Please let me know if I can provide you with any additional information. Thanks - Tim Timothy J. Cuellar Senior Project Geologist Advanced GeoEnvironmental, Inc. Stockton • Santa Rosa • Monterey • Brea • Spokane • Reno • Dallas 1-800-511-9300 tcuellar .advgeoenv.com www.advgeoenv.com This email/fax message is for the sole use of the intended recipient(s)and may contain confidential and privileged information.Any unauthorized review, use,disclosure or distribution of this email/fax is prohibited. If you are not the intended recipient., please contact the sender by email/fax and destroy all paper and electronic copies of the original message. 2/14/2014