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ENVIRINMENT AL HEALTH DEPARTMENT <br /> ,oPgUN co SAN JOAQUIN COUNTY <br /> Donna K.Heran,R.E.H.S. Unit Supervisors <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 /> Program Manager <br /> Douglas W.Wilson,R.E.H.S. <br /> FOR Laurie A.Cotulla,R.E.H.S. Telephone: (209)468-3420 Margaret Lagorio,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 /> November 1, 2004 <br /> Michael Carroll <br /> Sr. Civil Engineer <br /> County of San Joaquin <br /> Department of Public Works <br /> P.O. BOX 1810 E. Hazelton Ave. <br /> Stockton, CA 95201-3018 <br /> SUBJECT: Comments on Remediation Plan for methane gas release at Harney Lane Landfill, <br /> (SWIS# 39-AA-0003). <br /> The remediation plan does not adequately address the following concerns: <br /> 1. The plan needs a detailed evaluation of the gas extraction system including well spacing, <br /> size of header line, size of blowers and any other factor that you might think effects the <br /> overall operation of the system. <br /> 2. The plan does not explain what action will be taken if gas concentrations remain above the <br /> regulatory limit. <br /> 3. The plan does not explain how often will the LFG header line be monitored to identified <br /> and removed low spots that will lead to line blockages, and what ongoing action will be <br /> taken to ensure the maintenance and fimctioning of the LFG header. <br /> If you have any questions, please contact Ted Tasiopoulos R.E.H.S. at(209) 953-7698. <br /> Robert McClellon, Supervisor R.E.H.S. <br /> Environmental Health Department <br /> CC: Gino Yekta, CIWMB,MS-20 <br />