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Page 2 of 3 <br /> test, baseline measurements of static water level, dissolved-phase fuel hydrocarbon concentrations, <br /> dissolved total chromium and hexavalent chromium, bromate, pH, temperature, dissolved oxygen and <br /> oxidation-reduction potential will be collected from selected observation wells (MW-1, MW-2, MW-3, MW-4, <br /> MW-5, MW-6 and MW-7). These monitoring parameters will be measured periodically for the duration of <br /> the pilot testing. Groundwater samples will be analyzed weekly during the test period for hexavalent <br /> chromium and bromate." <br /> We approved the work plan with no conditions to any proposed monitoring or sampling, so I presumed it <br /> was being done. How was the hexavalent chromium level being monitored if no samples were collected? <br /> Lori <br /> Lori Duncan, Senior REHS <br /> San Joaquin County <br /> Environmental Health Department <br /> Idun...c_.an@sjcehd,cpm <br /> (209)468-0337 phone <br /> (209)468-3433 fax <br /> From: Jeanne Homsey [mailto:jeanne.homsey@atcassociates.com] <br /> Sent: Friday, April 29, 2011 1:41 PM <br /> To: Lori Duncan [EH] <br /> Subject: RE: Eggiman Pilot Test <br /> Hi Lori—We weren't scheduled to do any periodic sampling yet,just the baseline. I spoke to Alex <br /> this morning and he informed me we had a problem with the compressor. The equipment supplier <br /> just shipped a replacement so we haven't operated a month (the supplier doesn't charge us for the <br /> down time). I'll get a better idea from Alex when we'll actually have operated a month and when <br /> we'll collect our first set of samples. I can get you 'verbal' results when they come in and we can <br /> discuss. Thanks <br /> Jeanne H:omsey, PE ! Branch.Manager 1 ..A,TC Associates tne. ! Modesto <br /> 209.579.2221 extension .102 1209.601.9731 mobile <br /> 1.117 Lone Palm Ave. Sprite B1 Modesto, CA 95351 <br /> 209.579.2221. tel 1209-579.2225 faxatcassociates.corn <br /> ATC is a leader in developing innovative Environmental, Geotechnical/C.MTISpecial. <br /> Inspections and Health.& Saf:ety solutions. ViCW ouI,'yia«o 1;,,k to ].earn more. PLEASE <br /> DOTE: This tnessage, including any attachments, may include privileged, confidential <br /> and/or inside info:rnlat:ion. .Any distribution or use of tla_i.s communication.by anyone other <br /> than the intended recip:i.ent is strictly prohibited. and. may be unlaivful. l:f you are not the <br /> intended recipient, please notify the sender by replying to this message and.then delete it <br /> from your confuter. <br /> From: Lori Duncan [EH] [mailto:lduncan@sjcehd.com] <br /> Sent: Thursday, April 28, 2011 10:55 AM <br /> To: jeanne.homsey@atcassociates.com <br /> Subject: RE: Eggiman Pilot Test <br /> Hi Jeanne, <br /> According to the work plan long term ozone injection would be done if the pilot test proved effective. <br /> 5/24/2011 <br />