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Mr. Himanshu H. Mehta, P.E. 5 January 2023 Page 4 monitoring well not installed downgradient of MW -14S since MW -14S was already located at the edge of the Class I landfill zone of discharge), sampled the four (4) quarterly wells and collected field parameters from two staff gauges (C5 -SWI and C5-SW3) for Total Ammonia Nitrogen [TAN] calculation in November 2020. During the 2021 quarterly sampling, Geosyntec working on behalf of SWDD reduced the quarterly parameters analyzed and negotiated the use of a site-specific ammonia GCTL based on TAN calculations thus adding a surface water screening location north of MW -53S. Therefore, sampling of the four Class I landfill groundwater evaluation monitoring wells and four surface water field parameter screening locations will be included in the 2023 quarterly monitoring and reporting program. Title V Air Operation Permit Compliance The SWDD was issued a Title V Air Operation renewal permit (Permit No. 0610015 -008 -AV), proposed on 7 December 2022. The permit requires that the SWDD prepare and submit to FDEP and the U.S. Environmental Protection Agency (USEPA), Region 4 the following: • Annual statement of compliance (within 60 days after the end of the calendar year); • Electronic Annual Operating Report (AOR) and Title V Emissions Fee (on or before April 1 of each year, for the previous calendar year); • Semi -Annual Monitoring Report (scheduled for March 1 and August 29); and • Results of an annual landfill gas (LFG) sulfur content test (Annual Emissions Report for Sulfur Dioxide letter report and included in the Electronic Annual Operating Report). The annual emissions fee is automatically calculated based on emissions reported for marked pollutants on the FDEP's electronic Annual Operating Report (EAOR). Upon submission of the EAOR, the Annual Title V Emissions Fee invoice is generated, and this must be paid by April 1, 2023 for the 2022 reporting period. Landfill Gas Migration Monitoring The Class I Landfill solid waste permit also requires quarterly monitoring of LFG migration around the perimeter of the site and within enclosed structures. NCP2022_222465/JL22076_2023 Compliance Monitoring Proposal