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June 22,' 1979 <br /> <br />Mr. Gamec: <br /> <br /> Regarding the survey and samples from the Kamacite St. residences <br />boundamy the dump on the West, it.seems plausible that the local, the <br />vemy local, impact of the landfill may be a contributing factor. That <br />is, the nature of large hill that is the landfill may be enough to <br />explain the loeat stress to these trees; a simple factor like drainage <br />or reflected temperature changes regardless of the question of toxicity. <br /> <br /> The samples showed no indication-of disease or insect problems. <br />This makes a local soil, drainage or temperature change more likely. <br />The attached photos also Support this interpretation. I walked the <br />North side as well as the West and the view there shows dying trees. <br />closest to the landfill fence; and an apparent gradient of increased <br />vigor of the stand of trees moving away from the boundary. Also, the <br />West line of trees continues past the NW corner of the landfill with <br />scarcely any impact visible a block North of the boundary':to the landfill. <br /> <br /> I'm not aware of results of soil tests reportedly sampled by another <br />agency by some of the residents. <br /> <br /> 'In temporary conclusion, I would suggest that the local environmental <br />impact of such a large hill moved into such close proximity could plausibly <br />affect the optimal ~onditions of drainage, temperature and even wind <br />differences may create "needle droop" (pr 8) "winter burn" ~pp 9-10) <br />This condition may also be psmtially a function of the severe drought <br />of the summer of 1976, (since one resident reported notable mortality <br /> "2 years ago" which would be '77 the.year after when the symtoms beeame <br />noticeable.) Because of the afore mentioned gradient of appartently <br />increased vigor, the very local affect oflandfill is likely contributory <br />independently of the quest of toxicity, which is perhaps indicated <br />through the soil samples, or not ..... <br /> <br /> Attached is a pamphlet perhaps is a help; "How to Identify mnd Control <br />NON-Infectious Diseases of Trees" from USDA, St. Paul, Mn. <br /> <br /> Environmental question of impact and change on living species is most <br />often a partial function, a variable, and not easily assigned % or quant- <br />itative cause. Nor are causes often singular in the environment, rather <br />a web, a network of interacting commulative affects. <br /> <br />SincerelY, <br />Bruce Bacon <br /> <br />Attach: <br /> <br />Sample reply, Ag. Ext Service <br />How to Indentify g Control NON-Infectious... <br />Page of Landfill Photos <br /> <br /> <br />