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it EXHIBIT A AUTHORIZATION FOR PROFESSIONAL SERVICES .r INDIAN RIVER COUNTY SOLID WASTE DISPOSAL DISTRICT ENGINEERING SERVICES FOR 2016 PERMIT COMPLIANCE MONITORING AND REPORTING CCNA-2014 WO NO. 6 This Authorization,when executed,shall be incorporated in and become part of the Continuing Contract Agreement for Professional Services between the Indian River County Solid Waste Disposal District(COUNTY),and CDM Smith Inc. (CONSULTANT),dated December 6, 2011,and the Extension and Amendment of Continuing Contract Agreement for Professional Services,dated November 4,2014,hereafter referred to as the Contract. BACKGROUND Solid Waste Operation Permit Water Quality Compliance Semi-annual reports of groundwater quality at the COUNTY Landfill must be submitted to the Florida Department of Environmental Protection (FDEP) in accordance with Chapter 62-701.510, Florida Administrative Code (F.A.C.) and the Water Quality Monitoring Plan (WQMP) included as Appendix 3 of Permit Nos. SC31-0128769-022SC and S031-0128769-02350 for the Class I landfill and the Monitoring Plan Implementation Schedule (MPIS) dated March 7,2011,which includes the construction and demolition (C&D) debris landfill.The scope of work is based on the draft permit dated December 11,2015 that was included in the Notice of Intent to issue the new permit for the Class I landfill and the part of the MPIS for routine monitoring of the C&D debris landfill pending receipt of the FDEP-approved monitoring requirements for the C&D debris landfill.Assistance in the development of an FDEP-approved WQMP for the C&D debris landfill is included in this scope of work under the General Technical and Miscellaneous Permit Compliance Reporting task. Two semi-annual monitoring reports that document the sampling events will be required in calendar year 2016.In addition,four new wells will be installed and the initial sampling will be performed concurrently with the July 2016 monitoring event. Semi-annual sampling of the Class I and C&D debris landfill groundwater monitor wells shall be performed in January and July of 2016.The samples collected from the Class I monitoring wells during these events will be analyzed for the routine monitoring parameters listed in Paragraph I1.7 of the WQMP and Chapter 62-701.510(7)(a), F.A.C.The samples collected from the C&D landfill monitoring wells will be analyzed for the routine monitoring parameters listed in Chapter 62- 701.730(8)(c), F.A.C.and Paragraph 9 of the MPIS dated March 7, 2011. Samples from the four new Class I monitoring wells that will be installed within 90 days after the new permit is issued will be analyzed for the parameters listed in Paragraph I1.6 of the WQMP. In total, 35 wells will be sampled in January and 27 wells,including the four new wells,will be sampled in July. Samples from one surface water site shall be collected in January and July,if water is discharging from the stormwater pond.The samples,if collected,will be analyzed for the parameters listed in Paragraph II1.12 of the WQMP and Chapter 62-701.510(7)(d), F.A.C. A-1 rrvsa.ao«