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® PRELIMINARY CONTAMINATION ASSESSMENT FOR MDPR PARKS Firm Name: Milian, .Swain & Associates. Inc. Telephone: (305) 826 -5588 Client Name: Miami -Dade Counry Park and Type of Service: Environmental Planning Recreation DepartmemAQ4CTEC (Prime) Services Prime Address: 5845 A'{f' 158i° Street. ,l-Liami Lakes, Project Cost: 559,363.75 FL 33014 Start Date: September 2011 Prime Contact Person: Ricardo Fraxedas Completion Date: 2013 Milian, Swain & Associates. Inc. (MSA) is providing Environmental Planning services for the preliminary contamination assessment at Miami -Dade County Parks. The project consists of providing environmental planning services to the Miami -Dade County Park and Recreation Department (MDPR), specifically related to preliminary contamination assessment of over 250 existing parks. MSA will assist MDPR with the following services: • N1SA will attend kick off meeting at local MDPR offices to confirm project approach, roles and responsibilities. In addition, Consultant will confer with the MDPR Design Development Division to identify /confirm existing MDPR properties currently identified as potentially contaminated sites and obtain status of any undergoing remediation action by the MDPR — Design Development Division. • MSA will assign technical staff to conduct review of existing files for the MDPR parks with emphasis on review of historical documentationteorrespondence /records related to potential site contamination currently on file for each of the listed properties. • MSA will query existing DERNI G.I.S. layers to identify MDPR properties listed as contaminated by DER IA or with potential for contamination due to proximity to adjacent contaminated sites. ® Based on the results of the above tasks. Consultant will tabulate each of the properties, following Format coordinated with MDPR. The tabular listing will be populated with results of the documented review /research conducted by the Consultant. Consultant will analyze and organize the tabulated results using a 3 -tier ranking approach: Tier 1 Properties of highest priority for likely presence of contamination and potential for direct exposure based on preponderance of factors as uncovered during review of available records, such as: • Parks listed as contaminated by regulatory agencies and: older parks acquired by Nliami- Dade County and developed prior to 1970; Neighborhood Parks, Active Parks with playgrounds and defined public access, Properties within the county /city urban core. Properties served by private well(s). Properties donated by developers. Properties used as borrow pits, landfills, rock pits prior to acquisition. Tier 2: • Properties considered passive parks with limited public access, Properties served by a public water system but directly adjacent to existing contaminated site(s). Parks acquired by Nliami -Dade County and developed between 1970 to 1985: Properties listed as contaminated but undergoing remediation activities. Tier 3: • Properties that are undeveloped and in their natural state prior /after acquisition. Parks acquired by Miami -Dade County and developed after 1985. • Upon completion of initial tabulation and tier - ranking above, MSA will obtain historical aerial imagery of up to 25 parks listed under Tier I to further analyze /confirm the accuracy of the preliminary ranking performed under Task 4. ® • NASA will update the initial Tier I ranking list performed under Task 04, prepare and submit final hard & electronic copies of the preliminary assessment results for each park. rma4.m �Adrg be