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n --\1,f n U""'-lk', 'JVq_~~\-eC-'0" p~~~e. ~~~v~1c ~f?-:;;t.fo<;c IUP to Allow Concrete and Asphalt Crushing Project Environmental Scope Twin Lal,es Phase I Roseville, Minnesota I) Pre-demolition Hazardous Building Materials Inspection per EP A/MPCA/MDH rules. 2) Removal and off-site disposal of asbestos containing materials and other hazardous building materials such as batteries, lighting, HV AC control devices, boiler meters and gauges and other areas of mercury concern, PCBs, lead, chlorofluorocarbons, petroleum and other chemicals. 3) Special inspection and testing to evaluate concrete/brick and asphalt for the presence of contaminants that would preclude their crushing and reuse on site per the MPCA Solid Wastc Beneficial Use Rules. Examples: asbestos in concrete and contaminated concrete. 4) Removal of additional concrete for off-site disposal based on results of special inspection and testing. 5) Deconstruction/demolition of buildings, roads and parking lots. Off-site disposal of concrete/brick and asphalt materials not meeting the requirements of the MPCA Solid Waste Beneficial Use Rules. Recycling of other building materials as possible. 6) Stockpile concrete/brick and asphalt materials meeting the requirements of the MPCA Solid Waste Beneficial Use Rules. Stockpiling in accordance with the MPCA Solid Waste Storage Rules. 7) Crushing of the stockpiled concretelbrick and asphalt in accordance with the contractor's MPCA air quality permit. Storage of crushed material in accordance with the MPCA Solid Waste Storage Rules. o Concunent testing for air quality permit compliance in accordance with the permit requirements and OSHA requirements for workers. 8) Reuse of crushed materials in accordance with the MPCA Solid Waste Beneficial Use Rules: o concrete to substitute for conventional aggregate o asphalt or concrete-asphalt mix as class VII aggregate per Mn/DOT specifications for road and parking lot base material under asphalt or concrete paving.