Enviromental Real Estate assessment-1989

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Mr. Maurlce J. Wagener Pro�ect No. 890831 .202 , ; September 22, 1989 � Page 3 In summary. no sprayed-on or other suspected asbestos' contatning materials were observed on the buildtng surfaces or as part of the bu11d1ng systems or appllances for the former gas stafilon or malntenance bulldings. �The roofing materials present on the former gas station may contain asbestos; however. this was not verlfied by sample analysis. The presence of asbestos containing materlals in the other bulldings is unknown. QQlxchlorinated Bi�enyls Interlor 1lghtinq tn the former garage buildtng 1s a combination of incandescent and fluorescent. The cabins and duplex most 1lkely have lncandescent lighting. The age of these buildings 1s unknown. PCBs may have been used 1n fluorescent 11ght ftxtures unt11 this usage Nas banned in 1979. Since the aqe of the buildings is not known, it 1s possible that some of the fluorescent light fixture ballasts could contaln PCBs. Currently, fluorescent 11ght flxtures containing PCB ballasts may be disposed wlth munlcipal solid waste, although there ts proposed state legislatlon which would stop thts practice. A dry type transformer Nas observed in the former garage building. Dry type transformers do not contain PCBs. Outside of the buildings a ground mounted and pole mounted transformer was observed. It is assumed the transformers are owned by the local electric company. These transformers were unlabeled with respect to PCB content. However. electrtc compantes are requlred to label any transformer contalning PCBs in regulated quantities� whlch 1s deflned as PCBs at or above 500 parts per milllon (ppm). Therefore 1t is assumed the transformers contaln less than 500 ppm of PCBs. Drinking Nater Sunnlv Drinking water is supplied by three private ground water wells on-site. The Mlnnesota Department of Health was contacted for requlrements of private drinking water wells. The Minnesota Department of Health stated that there are no rules governing private wells. HoNever, the Department of Health recommends testing the drinking water for coliform and nitrates. SanitarY.Sewer The buildings on-slte are served by the municlpal sewer system. Currently no Hastewater other than sanitary 1s discharged to the seaer system. Storm Nater Run-off The storm Nater run-off from the buildings and property 1s discharged to Lake Minnetonka. Currently� storm water run-off is not required to have a permit. Regulations regarding storm water run-off are being updated to reflect the Congresslonal passage of the Water Quality Act of 1987. If such a permit is required 1n the future. it probably would be granted by the City of Orono or other governmental body.