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COUNTY OF SAN JOA QUIN THOMAS R. FLINN <br /> x DEPARTMENT OF PUBLIC WORKS DEPUTY DIRECTOR <br /> P.O.BOX 1810—1810 E.HAZELTON AVENUE MANUEL LOPEZ <br /> STOCKTON,CALIFORNIA 95201 DEPUTY DIRECTOR <br /> (209)468-3000 STEVEN WINKLER <br /> FAX(209)468-2999 DEPUTY DIRECTOR <br /> HENRY M.HIRATA <br /> DIRECTOR <br /> January 26, 2000 <br /> MEMORANDUM <br /> TO: Robert McClellon, Lead Senior R.E.H.S. <br /> Public Health Services <br /> Environmental Health Division <br /> FROM: Wes Johnson <br /> Associate Civil Engineer <br /> SUBJECT: LANDFILL GAS MONITORING AT THE MIGRANT FARM LABOR CAMP <br /> County staff monitored the farm labor camp adjacent to Harney Lane Sanitary Landfill for <br /> methane on January 12, 2000, using the Landtec GEM 500 Gas Extraction Monitor which was <br /> calibrated by County staff prior to sampling.. The first fifteen structures nearest to the landfill <br /> and the vents from the first two structures were tested for methane. All of the structures and <br /> vents measured 0.0% of Lower Explosive Limit. <br /> The next monitoring event will be performed in April 2000. <br /> If you have any questions, please call me at 468-3066. <br /> WJ:MK:cg <br /> N:\WES\HL\GAS\l W000camp.wpd <br /> c: Scott Walker, California Integrated Waste Management Board <br /> LA 11458 <br />