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• • Page 2 of 3 <br /> collected? <br /> Thank you, <br /> Lori Duncan <br /> -----Original Message----- <br /> From: Murphy, Mike [mailto:mmurphy@cambria-env.com] <br /> Sent: Monday, September 25, 2006 5:08 PM <br /> To: Lori Duncan [EH] <br /> Subject: RE: 6131 Pacific Ave., Stockton <br /> Lori, <br /> I am still coming up to speed on this project and wasn't involved in the temp system install, but my thinking <br /> is the reason is that VEW-7 has the highest petroleum hydrocarbon concentrations in soil. For example, <br /> TPI-Ig and benzene were detected in soil samples collected from boring VEW-7 at max concentrations of <br /> 1,600 ppm and 0.45 ppm, respectively. Max TPHg in VEW-6 was 4.3 ppm. No benzene detected in VEW- <br /> 6. VEW-1 soil data is not included in the table I reviewed, but I'd guess the soil results were lower <br /> concentrations than those detected in VEW-7. <br /> Regards, <br /> Mike <br /> From: Lori Duncan [EH] [mailto:lduncan@sjcehd.com] <br /> Sent: Monday, September 25, 2006 4:32 PM <br /> To: Murphy, Mike <br /> Subject: RE: 6131 Pacific Ave., Stockton <br /> Thank you, Mike. Just curious,why not VEW-1 or VEW-6 that were not built into GW at all? <br /> Lori <br /> -----Original Message----- <br /> From: Murphy, Mike [mailto:mmurphy@cambria-env.com] <br /> Sent: Monday, September 25, 2006 1:10 PM <br /> To: Lori Duncan [EH] <br /> Subject: RE: 6131 Pacific Ave., Stockton <br /> Lori, <br /> Target start date is the 231d, not the 22nd. Our tech was onsite this morning and the system was off. <br /> Not sure why it shutdown at this point. The system was restarted and appears to be operating <br /> correctly. The system is currently operating as a SVE unit only because we do not have a water <br /> discharge permit in place yet. We are extracting from well VEW-7 because it does not produce <br /> water during vapor extraction as do the other wells. The cost of water storage, transportation, and <br /> disposal make groundwater extraction through DPE, cost prohibitive. <br /> Regards, <br /> Mike <br /> From: Lori Duncan [EH] [mailto:lduncan@sjcehd.com] <br /> Sent: Monday, September 25, 2006 8:57 AM <br /> To: Murphy, Mike <br /> Subject: RE: 6131 Pacific Ave., Stockton <br /> Mike, thank you for this information. When we were out the other day the system did not sound like <br /> it was in operation. The generator was on, but the Solleco was quiet. I've been curious, why is <br />