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b. The death of ired in this area before sludge was placed <br /> on the landfill. <br /> <br /> c. Evergrcens prefer a low soil pH. We have taken soil samples from three <br /> lots. Samples were taken from an area of live trees and from an area <br /> of dead trees on each of the three lots. The laboratory report indicates <br /> that the soil pH tends to be higher in an area of live trees and lower <br /> J_n the area of dead trees. The laboratory data doesn't appear to support <br /> soil pH change as a cause of tree losses. <br /> <br /> 8. ODORS: Residents west of the landfill have had problems with odors and fear <br /> that as the height increased the odors will increase. <br /> <br /> a. Some odor has been noted on the site, but the intensity of odor was not <br /> felt to be excessive or inconsistent with that which one might expect to <br /> find in the operating area. <br /> <br /> b. As the height increases, odors should be reduced since better mixing and <br /> greater dispersal (dilution~ will occur with the increased height. <br /> <br /> 9. FLIES AND RATS: Residential areas have em/Derienced problems with. flies and <br /> rats as a result of landfill operation. <br /> <br /> a.It is impossible to ascertain where rats may have come from originally <br /> that might be present in this area. <br /> <br /> b. Rat migration on a daily basis is fairly limited, It is not likely that <br /> they live in the residential area and migrate to the landfill for feeding <br /> purposes and then return to the residential area, Normally rats require <br /> that food and harborage both be present very close together. <br /> <br /> c. If there are rats present in the residential areas, they are present because <br /> they have found food and harborage suitable for maintaining their lifestyle. <br /> <br /> d. Inspections of the landfill site by the Department and the pest control <br /> operator engaged by the landfill have not indicated the presence of any <br /> rat activity on the landfill property. <br /> <br />10. NOISE: The operation creates excessive noise whick is not consistent with the <br /> adjacent residential environment. <br /> <br /> a. Landfill equipment and vehicles used on the site do generate a significant <br /> amount of noise. The noise generated, however, is not consistently of a <br /> high volume. <br /> <br /> b. Measurements made by the Department indicate that the noise level in the <br /> adjacent residential area do not normally exceed the ~LPCA regulations. It <br /> may be possible that noise levels might approach the recommended maximums <br /> of the MPCA when landfill construction activities are carried out on the <br /> far west side. <br /> <br />11. GROUND WATER POLLUTION: The landfill has adversely affected the ground water <br /> and is affecting the wells of the neighboring property, owners-. <br /> <br /> a. The groundwater monitoring program that has been conducted since 1971 at <br /> this facility has not shown any significant changes in groundwater quality, <br /> <br /> b. Lysimeters, which have been installed underneath the Phase II and III fill <br /> areas, have not been able to obtain any sample. This would indicate no <br /> leachate was being produced from these fill areas at this time, <br /> <br /> c. The bottom and sides of the landfill excavation are not lined with an <br /> impervious material. However, a program of capping fill deposits with <br /> lime sludge has been undertaken. The purpose of this capping is that <br /> lime sludge is faily impervious and tends to shed water rather than <br /> permitting water to percolate through to the refuse fill. The shedding <br /> of water will reduce the rate at which leachate will be generated, thus <br /> assisting in maintaining a leachate generation rate which will not exceed <br /> the soi]_s attenuation capacity. <br /> <br /> <br />