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<br /> ENVIRONMENTAL HEALTH DEPARTMENT
<br /> SAN JOAQUIN COUNTY
<br /> Q;• r g,�, •�� Unit Supervisors
<br /> Donna K.Heran,R.E.H.S.
<br /> Director 304 East Weber Avenue, Third Floor Carl Borgman,R.E.H.S.
<br /> Al Olsen,R.E.H.S. Stockton, California 95202-2708 Mike Huggins,R.E.H.S.,R.D.I.
<br /> Douglas W.Wilson,R.E.H.S.
<br /> c4�iFoa�'�PProgram Manager Telephone: (209) 468-3420 Margaret Lagorio,R.E.H.S.
<br /> Laurie A.Cotulla,R.E.H.S.
<br /> Program Manager Fax: (209) 464-0138 Robert McClellon,R.E.H.S.
<br /> Mark Barcellos,R.E.H.S.
<br /> NOTICE OF OFFICE HEARING
<br /> May 10,2004 Sent Certified and U.S.Mail
<br /> Oxford Farms Inc. COPY
<br /> 6748 E.Kettleman Ln. FILE
<br /> Lodi,CA 95240
<br /> RE: Methane gas monitoring requirements at 15100 E.Harney Lane,Lodi,CA.(APN: 06504001)
<br /> The San Joaquin County Environmental Health Department(EHD)is sending you a notice of office hearing regarding the
<br /> property located at 15100 E. Harney Lane, Lodi, CA (APN: 06504001). In the previous letter sent to you on April 6"',
<br /> 2004, the EHD determined that the established home on 15100 E. Harney Lane is located within 1000 feet of the closed
<br /> Harney Lane Landfill,and must comply with Title 27 CCR,Section 21090(g)(6)and(g)(7), listed below:
<br /> Title 27 CCR, Section 21190,Postclosure and Land Use,
<br /> (g) All on site construction within 1,000 feet of the boundary of any disposal area shall be designed and
<br /> constructed in accordance with the following, or in accordance with an equivalent design which will prevent gas
<br /> migration into the building,unless an exemption has been issued:
<br /> (1) a geomembrane or equivalent system with low permeability to landfill gas shall be installed between
<br /> the concrete floor slab of the building and subgrade;
<br /> (2) a permeable layer of open graded material of clean aggregate with a minimum thickness of 12 inches
<br /> shall be installed between the geomembrane and the subgrade or slab;
<br /> (3) a geotextile filter shall be utilized to prevent the introduction of fines into the permeable layer;
<br /> (4) perforated venting pipes shall be installed within the permeable layer, and shall be designed to
<br /> operate without clogging;
<br /> (5) the venting pipe shall be constructed with the ability to be connected to an induced draft exhaust
<br /> system;
<br /> (6) automatic methane gas sensors shall be installed within the permeable gas layer, and inside the
<br /> building to trigger an audible alarm when methane gas concentrations are detected;and
<br /> (7) periodic methane gas monitoring shall be conducted inside all buildings and underground
<br /> utilities in accordance with Article 6,of Subchapter 4 of this chapter(section 20920 et seq.).
<br /> In addition,the previous letter sent to you on April 6tb,2004,required submitting a written plan within 30 days of
<br /> receipt, for review and approval how methane gas monitoring sensors shall be installed inside buildings located t
<br /> within 1000 feet from the closed Harney Lane Landfill.
<br /> Therefore,an Office Hearing has been scheduled on Wednesday,May 26,2004 at 2:00 PM,at 304 East Weber
<br /> Avenue,3'd Floor,Stockton,California. An Administrative Office Hearing fee of$178.00 will be collected at the
<br /> time of the hearing.
<br /> YOU ARE REQUIRED TO BRING THIS NOTICE WITH YOU
<br /> If you have any questions please contact Ted Tasiopoulos R.E.H.S.,of my staff at 09)953-7698.
<br /> Robert McClellon,Supervisor R.E.H.S.
<br /> Environmental Health Department ��II _
<br /> Certified Letter# [SOI 025140 0005 77
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