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PUBLIC ALTH SERV]tES <br />SAN JOAQUIN COUNTY =' <br />ENVIRONMENTAL HEALTH DIVISION <br />Ernest M. Fujimoto, M.D., M.P.H., Acting Health Officer , ✓4.y -� <br />445 N. San Joaquin Street • P.O. Box 388 • Stockton, CA 95201-8 ;. t <br />(209) 468-3420 <br />March 10, 1994 .,, <br />, s°c <br />,%Kap°�o�� .� <br />Scott Walker <br />CIWMB <br />8800 Cal Center Drive <br />Sacramento, CA 95826 <br />RE: Alternative Daily Cover Report for Austin Road Landfill - 39 -AA -001 <br />Demostration Evaluation Period 10/93 - 10/94 <br />Report on Covertech C-440 Alternative Daily Cover (ADC) at Austin Road Landfill <br />This report reviews the ADC demonstration project from October 11, 1993 to January 31, 1994. <br />1. Flies <br />There has been no increase in the presence of flies seen during the weekly inspections. The fly <br />count has averaged around or below 1. The period from October 15, 1993 to November 3, 1993 <br />showed a higher fly count due to warmer weather. See enclosed inspections. <br />2. Mosquitos, Wasps Cockroaches and other Vectors <br />There has been no presence of vectors seen during the weekly inspections. <br />3. Domestic Rats <br />None were trapped and no signs of presence. <br />4. Field Rodents <br />There has no signs of presence during the weekly inspections. <br />5. Odor <br />No increase in odor observed during the weekly inspection. <br />6. Fire Hazard <br />No fires have been observed during the weekly inspections. <br />7. Litter <br />There has been an increase in litter adjacent to the working face where the ADC is being <br />utilized. There is more litter observed around the winter pad area.. <br />8. QpggLti ns <br />Some litter has migrated off-site to the North when the ADC has been used at the winter pad. <br />The push trail at the winter pad has had exposed garbage that has not been covered with soil or <br />ADC. The ADC Covertech 440 has large rips that need to be repaired or replaced to prevent <br />odors, vectors and additional leachate. An additional amount of stockpiled soil is needed for <br />cover adjacent to winterAW working fac aunty Health Care Services <br />