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Page 1 of 1 <br /> Mike Infurna [EH] <br /> From: Clint Harms[charms@secor.com] <br /> Sent: Wednesday, October 01, 2003 10:00 <br /> To: Mike Infurna [EH] <br /> Cc: Ed Ralston <br /> Subject: Status Report- Circle K 1205, Lathrop <br /> Mike—The following is the status of work at Circle K 1205, <br /> 1. Downgradient well MW-16 was developed and sampled. The groundwater sample reported MtBE, TPHg <br /> (flagged as not matching the standard), and ethanol at concentrations of 140 ppb, 52 ppb, and 68 ppb, <br /> respectively. SECOR proposes to submit a work plan addendum to perform additional <br /> downgradient/crossgradient assessment prior to submission of an SCM for the site. <br /> 2. On September 30, 2003, SECOR inspected the irrigation well at Lathrop Middle School and there is a <br /> sampling port. The maintenance supervisor indicated that the well is currently pumping from 7 pm to 5 <br /> am. SECOR is scheduled to sample the well on Tuesday, October 7th at 4:45-5 am with the maintenance <br /> supervisor present. I will provide you the results of the sampling as soon as they are available. <br /> 3. Transducers are being placed in onsite and offsite wells on October 6— 10. We will be able to download <br /> the data from the transducers on Friday Oct 10th and determine if the irrigation well is affecting <br /> groundwater at the site. <br /> I will continue to update you on the status of work as information becomes available. <br /> Clinton Harms <br /> Project Scientist <br /> SECOR International <br /> charms@secor.com <br /> 916-861-0400 ext 228 <br /> 916-861-0430 fax <br /> 10/1/2003 <br />