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DRAFT [TENTATIVE] WASTE DISCHARGE REQUIREMENTS ORDER R5-2023-00XX 27 <br />FORWARD, INC. <br />FORWARD LANDFILL <br />SAN JOAQUIN COUNTY <br />Waste <br />Type Constituent Unit Avg 2014- <br />20212 Avg 2018-20213 Trend <br />Residuals <br />BOD mg/kg 21,909 21,428 Decreasing <br />Total <br />Nitrogen mg/kg 2,711 2,138 Decreasing <br />TKN mg/kg 2,705 2,127 Decreasing <br />TDS mg/kg 13,314 14,221 Increasing <br />Mud1 <br />BOD mg/kg 4,422 Stopped land <br />application in 2017 Decreasing <br />Total <br />Nitrogen mg/kg 2,489 Stopped land <br />application in 2017 Decreasing <br />TKN mg/kg 2,489 Stopped land <br />application in 2017 Decreasing <br />TDS mg/kg 3,971 Stopped land <br />application in 2017 Decreasing <br />Notes: <br />1.Mud application to the LAA was discontinued in the 2017 cycle. The average <br />value only includes data points from 2014 to 2016. <br />2.Data was taken from the submitted Cannery Waste Land Application Area <br />Monitoring Report which are included in the quarterly Water Quality <br />Monitoring Reports. <br />3.Average effluent concentrations are summarized for 2018 to 2021 to show <br />how concentrations changed after the 2017 Nutrient Management Plan was <br />implemented. <br />4.See Glossary for definitions of terms and abbreviations in table. <br />96.A summary of the annual effluent concentrations from 2018 to 2021 is <br />summarized below for rinsate and residuals. <br />Table 7—Annual Average Effluent Quality for Rinsate and Residuals <br />Waste <br />Type <br />Constituent Unit 2018 2019 2020 2021 <br />Rinsate <br />BOD mg/L 18,317 14,050 23,991 13,000 <br />Total <br />Nitrogen mg/L 477 253 288 380 <br />TKN mg/L 476 253 281 379 <br />TDS mg/L 14,313 12,721 23,282 12,877 <br />Residuals BOD mg/kg 21,674 24,122 16,475 16,720