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,. \. ( #^., --' Exhibit "8" 200709680 Notification of Hazardous Substance Storage, Release or Disposal Property Description Name of Hazardous Substance(s) Date of Storage, Release, or Disposal Occurred during CHAAP operations, 1942-1973. Exact date unknown. Remedial Actions Land Tract 478 Approximately 0.665 of an Acre of Land. Asbestos-containing Debris. (Disposed) There is no written historical record of release, disposal, or storage of chemicals on Tract 478. During field activities for the 1993 Site Characterization Document (SCD), two soil samples were taken from Tract 47 A as part of the south magazine area investigation. Surface soil sampling and analysis detected no explosives and no metals exceeding action levels in the south magazine area. 8ased on the results of the 1993 SCD, no additional samples were taken from this area for the 1996 Remedial Investigation (Rl). There are no monitoring wells on the tract and no groundwater samples have been taken on the tract. There is no evidence that groundwater under Tract 478 has been impacted by CHAAP chemicals. No further action was recommended for the magazine areas in the 1996 RI. A ROD for no further action at OU2 (including the south magazine area that is adjacent to Tracts 47A and 478) was signed in September 1998. All sites within OU2 are considered to be either uncontaminated or no threat to human health or the environment. The Final First Five- Year Review Report for Cornhusker Army Ammunition Plant (March 2004) indicates that the selected alternative for OU2 (no further action) remains protective of human health and the environment. In late May 2005, heavy rains in the area revealed the presence of pieces of asbestos cement (transit) in the ground at Tract 478. This material appeared to be debris remaining from the on-site disposal of a former building at the site. The disposal date is unknown. In the year that followed, agreements were put in place for the designated buyer of the property (Heritage Disposal and Storage, LLC) to have a Nebraska licensed and certified asbestos contractor properly excavate, remove and dispose of the asbestos-containing material from the property. These agreements were part of the purchase agreement for the property between USACE and Heritage Disposal. This removal and disposal action was completed in June 2006 and Heritage Disposal prOVided documentation to USACE that the removal action was complete and was performed in accordance with applicable Federal and state regulations. *The information contained in this notice is required under the authority of regulations promulgated under section 120(h) of the Comprehensive Environmental Response, Liability, and Compensation Act 9 CERCLA or Superfund, 42 U.S.C. ~ 9620(h). This table provides information on the storage of hazardous substances for one year or more in quantities greater than or equal to 1,000 kilograms or the hazardous substance's CERCLA reportable quantity (which ever is greater). In addition, it provides information on the known release of hazardous substances in quantities greater than or equal to the substance's CERCLA reportable Iquantity. See 40 CFR Part 373. EXHIBIT "B" ATTACHED TO AND MADE A PART OF QUITCLAIM DEED-TRACT 47B oIIIl.