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e • • Page 1 of 3 <br /> Vicki McCartney [EH] <br /> From: Vicki McCartney [E ] <br /> Sent: Thursday, August 3), 2012 9:25 AM <br /> To: 'tcuellar@advgeoe v.com' <br /> Cc: Bill Little; Nuel Henderson [EH]; greg@comfortairinc.com <br /> Subject: RE: Comfort Air, 1 7 Turnpike Rd., Stockton CA <br /> Tim: <br /> Nuel Henderson, PG, a d I have reviewed the information provided in your email <br /> dated 29 August 2012 and now approve the installation of dual-phase extraction <br /> well DPE-2, screened between 25 and 45 feet below surface grade, at the Comfort <br /> Air site located at 1603 Turnpike Road in Stockton, California. <br /> I will post the 30-day public participation notice at the site today. The public has <br /> until 30 September 20 2 to comment. You may proceed with the installation of <br /> the dual-phase extract on system at that time unless notified otherwise by the San <br /> Joaquin County Enviro mental Health Department. <br /> Vicki McCartney, Senior REHS <br /> San Joaquin County <br /> Environmental Health Departm nt <br /> 1868 East Hazelton Avenue <br /> Stockton, California 95205 <br /> Phone: (209)468-9852 <br /> Email: vmccartney@sjcehd.c m <br /> From: Tim Cuellar [mai o:tcuellar@advgeoenv.com] <br /> Sent: Wednesday, August 29, 2012 11:05 AM <br /> To: Vicki McCartney [E ] <br /> Cc: Bill Little; Nuel Hen erson [EH]; greg@comfortairinc.com <br /> Subject: Comfort Air, 1507 Turnpike Rd., Stockton CA <br /> Vicki, <br /> AGE has reviewec further the request within the EHD letter (dated 07/26/12) <br /> for the Comfort A r site. The letter states that the EHD has reviewed the <br /> Corrective Action Plan (CAP) dated 06/25/12, in which AGE concluded that <br /> high vacuum DPE was the most viable option to remediate the vadose zone, <br /> capillary fringe ar d upper saturated zone (i.e. depths between 10' and 45' <br /> bsg). The CAP also recommended the installation of 2 DPE wells screened at <br /> depths between 0'-30' (DPE-1) and between 25'-45' (DPE-2). However in <br /> the letter, the EH stated that additional information was needed to justify <br /> the proposed screen interval at depths between 25'-45', and that it was <br /> necessary to demonstrate to the EHD that draw-down will occur at DPE-2 to <br /> de-water the well for actual dual phase extraction to occur. <br /> 8/30/2012 <br />