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/O <br />To: Mayor Grabek & Orono Council Members w . <br />Planning Commission Chairman Kelley <br />Orono Planning Commission Members <br />City Administrator Bernhardson <br />From: Jeanne A. Mabusth, Building & Zoning Administrator <br />Date: April 12, 1989 <br />Subject: #1393 Washington Scientific Inc., 2605 Wayzata Boulevard - <br />Conditional Use Permit - Public Hearing <br />Pertinent Ordinance - <br />Section 10.03, Subdivision 19 - Conditional use permit required for <br />placement of approximately 800 cubic yards of contaminated soils <br />excavated from recent addition to structure and from soils excavated <br />from the trench/pumping system constructed last fall to treat <br />contaminated soils found on site. The first phase of treatment of <br />contaminated soils was approved by the City on October 10, 1988. <br />Resolutin #2510 has been enclosed for your review. The current <br />application involves the treatment of soils that were stored above <br />ground. <br />List of Exhibits <br />Exhibit A - Application <br />Exhibit B - Property Owners List <br />Exhibit C - Plat Map <br />Exhibit D - Resolution #2510 <br />Exhibit E - Applicant's Consultant's Report - <br />Delta Environmental Consultants Inc. - Pages 9 & 10 <br />Exhibit F - Map of Existing Condition <br />Exhibit G - Area of Thin Spread/Erosion Plan <br />Review of Application - <br />The second phase of the recovery program was postponed due to the on­ <br />coming winter. The Air Quality Division of the MPCA had approved the thin <br />spreading treatment for this speed *’c contaminate, organic solvent. The <br />stockpiled contaminated soils wil a spread over approximately^ a 2 acre <br />area as shown on Exhibit G. The soils will be placed over existing grassy <br />ground surface in a single layer 3-6" thick. The report notes that the <br />nearest building on the WSI property is within 200' and structures on <br />adjacent properties are approximately 2,000' from the soil treatment area. <br />The consultant finds that the low level of contaminate in the soils will <br />present no potential impact to the nearby surface water run-off or to local <br />air quality. This would pretty much confirm what the PCA had advised staff <br />last fall. The applicant will have to provide the City with an updated PCA <br />permit approving the proposed plan of treatment of thin rjoreading/air <br />stripping.