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Otto G Bonestroo, PE <br />Keith A Gordon. PE <br />Bonestroo <br />Robert W Rosene. PE <br />Richard W Foster, PE <br />Joseph C. Andenik, PE <br />Donald C. Burgardt. PE. <br />Rosene <br />Rradford A Lemberg, PE <br />Richard E turner. PE <br />Jerry A Bourdon. PE <br />Mark A Hanson. PE <br />C� <br />AnderIlk & <br />James C Cook, E <br />Glenn R Cook. PE <br />Ted K Field. PE <br />ut PE <br />mi'Robe" i t gaffed,, <br />Thomas E. Noyes, PE <br />P <br />Robert R Pleffene, PE. <br />Associates <br />Robert G Schumcht. PE <br />David O Loskota, PE <br />Marvin L Sorvala. PE <br />Engineers & Architects <br />September 27, 1988 <br />City o' Orono <br />Box 66 <br />Crystal Bay, MN 55323 <br />Attn: Ms. Jeanne Mabusth <br />Re: File No. 139-1341 Washington Scientific <br />Dear Jeanne, <br />Thomas W Petersnn PF <br />Michael C Lynch. PE <br />James R Maland. PE <br />Kerneth P Anderson, PE <br />Keith A Bachmann. PE <br />Mark R Roils. PE <br />Robert C Russek. A I A <br />Thomas E Angus, PE <br />Howard A Sanford, PE <br />Charles A ErKkson <br />Leo M PaAelsky <br />Harlan M Olson <br />Susan M Fbe,kn <br />Mark A Seip <br />We have reviewed the information submitted for the Washington Scientific <br />property. The company has been working with the PCA and the cleanup work is <br />progressing. <br />The information provided indicates that the contaminants appear to be con- <br />tained in a relatively small area. The plan would provide for construction of <br />a recovery trench and treatment of the water collected. The treated water <br />would then be discharged into the City sanitary sewer bystem. <br />The City should request that all new information come to the City for review <br />as soon as possible. The time lag has been significant in the past. The City <br />should control the discharge into the sanitary sewer along with MWCC. The <br />protection of the area with small earth dikes may be desirable in that failure <br />of the system would allow t' contaminants to ge, into Long Lake. <br />We have made a very general review of the treatment proposal. If the City <br />desires a more specific review of the chemical analysis and the potential <br />hazard I will have to involve our environmental engineers as discussed. <br />if you have any questions, please contact this office. <br />Yours very truly, <br />BONESTR00, ROSENE, ANDE:ZLIK i ASSOCIATES, INC. <br />Glenn R. Cook <br />GRC:li <br />24 <br />10 <br />233S West Highway 36 • St. Paul, Minnesota SS113 • 612 636-4600 <br />