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Revised Quarterly Monitoring Report – <br />Fourth Quarter/Annual 2024 <br />www.arcadis.com <br />Revised - Forward Landfill 4Q24 Quarterly Mon Report 06262025 10 <br />4.3.1 General <br />The current cannery season began in summer 2023 (when cannery waste was first applied) and continued <br />through spring 2024 (when the crops planted to remove nitrogen were harvested). A cannery waste land <br />application area (CWLAA) monitoring report for the 2023 to 2024 cannery season was prepared in early 2024 <br />after the conclusion of the season; the report is provided in Appendix G. <br />No unusual conditions were observed at the CWLAA during fourth quarter 2024, and no corrective actions were <br />taken. <br />4.3.2 Cannery Waste Land Application Area Groundwater Monitoring <br />Program <br />Under MRP Section D.3.c (RWQCB 2024a), alternative shallow groundwater monitoring wells were selected for <br />the CWLAA monitoring network to detect levels of waste constituents. The four shallow groundwater monitoring <br />wells are AMW-14, AMW-44, AMW-45, and AMW-46. Groundwater monitoring wells AMW-44, AMW-45, and <br />AMW-46 are considered to be hydraulically downgradient and are located on the northern edge of the CWLAA. <br />Groundwater monitoring well AMW-14 is also a downgradient well, but located approximately 775 feet northeast <br />of the CWLAA. Results of the waste constituents for the alternative wells are presented in Table 9. <br />In accordance with MRP Section D.3.d, the CWLAA monitoring wells are sampled quarterly for total Kjeldahl <br />nitrogen, nitrate, nitrite, total nitrogen, iron, and manganese (in addition to the monitoring parameters outlined in <br />MRP Tables 2 and 3 [RWQCB 2024a]). <br />4.3.3 Quarterly Results <br />The monitoring results for the CWLAA monitoring wells for fourth quarter 2024 are summarized in Table 9. The <br />water quality protection standards for the CWLAA constituents (total Kjeldahl nitrogen, nitrate, nitrite, total <br />nitrogen, iron, and manganese) were recalculated in fourth quarter 2024 using data collected through third quarter <br />2024. The detected analyte concentrations in the four wells were less than the applicable water quality protection <br />standards. <br />4.4 Site Monitoring <br />This section describes the types and quantities of waste handled at the Site during fourth quarter 2024, describes <br />the standard observations conducted for the Site, and provides an update regarding site compliance. Site <br />inspections are conducted in accordance with MRP Section D.4 (RWQCB 2024a). <br />4.4.1 Waste Types and Quantities <br />The types and quantities of waste handled at the Site during fourth quarter 2024 are summarized in Table 4-2 <br />below. Documentation of waste types and quantities is included in Appendix F. The compost facility is discussed <br />in more detail in Section 4.4.3, and the surface impoundments are discussed in more detail in Section 4.1.3.