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San Joaquin County DIRECTOR
<br /> Donna Heran, REHS
<br /> caG Environmental Health Depairtment
<br /> 600 East Main Street ASSISTANT DIRECTOR
<br /> y ; o Laurie Cotulla,REHS
<br /> r z ` Stockton, California 95202-3029
<br /> • F - PROGRAM COORDINATORS
<br /> Mike Huggins,RENS,RDI
<br />'
<br /> C07. Lagorio, REHS
<br /> ac,"FORe�` Website: www.sjgov.org/ehd
<br /> I Phone: (209) 468-3420 Robert McClellon,REHS
<br /> Jeff Carruesco,REHS, RDI
<br /> Fax: (209) 464-0138 Kasey Foley,REHS
<br /> December 18, 2008
<br /> Mr. Monty Warren Mr. Mahmoud Maraach
<br /> Enterprise Investments Post Office Bax i 620
<br /> 1052 Amelia Drive
<br /> Long Beach, California 90807 Chino, California 91708
<br /> Subject: Enterprise Investments
<br /> 355 Enterprise Place
<br /> Tracy, California 95376
<br /> The San Joaquin County Environmental Health Department (EHD) has reviewed Well
<br /> Destruction Work Plan, dated December 16, 2008, prepared and submitted by Advanced
<br /> GeoEnvironmental, Inc. (AGE) on your behalf for the above-referenced site. In the work plan,
<br /> AGE proposes to destroy five onsite monitoring wells (MW-1 through MW-5) and one
<br /> groundwater extraction well (EW-1) by over drilling the boreholes to total depth using eight-inch
<br /> or ten-inch diameter hollow-stem augers. The boreholes will be grouted with neat cement, and
<br /> groundwater expelled from the wells during the grouting process and soil cuttings generated from
<br /> the over-drilling process will be containerized, characterized, and disposed of properly.
<br /> The EHD approves the work plan with these conditions. The five monitoring wells may be over
<br /> drilled to total depth using eight- or ten-inch-diameter hollow-stem augers; however, the
<br /> extraction well must be over drilled to total depth using fifteen-inch hollow-stem augers. Also, a
<br /> tremie pipe must be used to backfill the borehole to surface.
<br /> The EHD has received a well destruction permit application along with a check for$375, and has
<br /> been notified that the fieldwork will take place Monday,, December 22, 2008. Please contact
<br /> Vicki McCartney, Senior Registered Environmental Health Specialist, at (209) 468-9852, or by
<br /> email at vTnccat-tnev_(,.z%s cehd.coni if you have any questions.
<br /> Sincerely,
<br /> Victoria L. McCartney, REHS Nuel C. Henderson, Jr., PG
<br /> Senior Registered Environmental Health Specialist Engineering Geologist
<br /> c: Ms. Ally Colavita, Advanced GeoEnvironmental, Inc., 837 Shaw Road, Stockton, California
<br /> 95215
<br /> Mr. James L.L. Barton, PG, California Regional Water Quality Control Board Central Valley
<br /> Region, 11020 Sun Center Drive, Suite 200, Rancho Cordova, California 95670
<br />
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