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HomeMy WebLinkAboutWI0400551_Monitoring (Report)_20221025 acoM 2022 Annual Infiltration Report UIC Permit No. W10400551 Duke Energy Carolinas Belews Creek Steam Station 3195 Pine Hall Road, Belews Creek, Stokes County, North Carolina 60639236 October 25,2022 Delivering a better world 2022 Annual Infiltration Report 60639236 Quality Information Prepared by Reviewed by Verified by / Beth Donovan, PG B n ght,PE Bob Wyrick, PG Staff Geologist Senior Project Manager Senior Project Manager 2022 Annual Infiltration Report UIC Permit No. W10400551 Duke Energy Carolinas Belews Creek Steam Station 3195 Pine Hall Road, Belews Creek, Stokes County, North Carolina Prepared for: Duke Energy Carolinas 526 South Church Street Charlotte, NC 28202 Prepared by: AECOM 701 Corporate Center Drive Raleigh, NC 27607 T. 919.854.6200 F: 919.854.6259 aecom.com Copyright©2022 by AECOM All rights reserved. No part of this copyrighted work may be reproduced, distributed, or transmitted in any form or by any means without the prior written permission of AECOM. AECOM 2022 Annual Infiltration Report 60639236 Table of Contents 1. Introduction and Background..............................................................................................................................1 1.1 Introduction..............................................................................................................................................1 1.2 Regulatory Framework............................................................................................................................1 2. Pilot Test.............................................................................................................................................................2 2.1 Pilot Test Operation .................................................................................................................................2 2.2 Infiltration Source Water Monitoring.........................................................................................................2 2.3 Groundwater Monitoring..........................................................................................................................2 3. Summary and Recommendations.......................................................................................................................3 4. References .........................................................................................................................................................4 Tables Table 1. Well Construction Details Table 2. Current Clean Infiltration Water Monitoring Plan Table 3. Summary of Clean Infiltration Water Analytical Data Table 4. Groundwater Analytical Results—Monitoring, Extraction, and Infiltration Wells Figures Figure 1. Site Location Figure 2. General Site Map Figure 3. Pilot Test Well Location Map-West Area Appendices Appendix A. North Carolina Department of Environmental Quality Injection Record Forms AECOM 2022 Annual Infiltration Report 60639236 Acronyms 02L Standard Title 15A North Carolina Administrative Code Subchapter 02L Groundwater Standard AECOM AECOM Technical Services of North Carolina, Inc. BCSS Belews Creek Steam Station CAP Corrective Action Plan Update CAMA North Carolina Coal Ash Management Act of 2014 CCR Coal Combustion Residuals CO Consent Order COI constituents of interest Duke Energy Duke Energy Carolinas, LLC EPA United States Environmental Protection Agency NCDEQ North Carolina Department of Environmental Quality Site Duke Energy Belews Creek Steam Station located at 3195 Pine Hall Road,Walnut Cove, Stokes County, North Carolina SVOC Semi-volatile compound SynTerra SynTerra Corporation Tech Memo Demonstration of 02L Compliance for the Belews Creek Ash Basin technical memorandum UIC Underground Injection Control VOC Volatile organic compound AECOM iii 2022 Annual Infiltration Report 60639236 1 . Introduction and Background 1.1 Introduction AECOM Technical Services of North Carolina, Inc. (AECOM)prepared this Annual Infiltration Report on behalf of Duke Energy Carolinas, LLC(Duke Energy) in accordance with the requirements of the Underground Injection Control (UIC) Permit(Permit#W10400551)at the Belews Creek Steam Station (BCSS)located in Stokes County, North Carolina (the Site)(Figure 1).This document provides the monitoring information listed in Part VI of the permit. A general layout of the Site is included in Figure 2. Figure 3 shows the locations of the extraction, infiltration, and performance monitoring wells in the western pilot test area of the Site. The Corrective Action Plan(CAP) Update(SynTerra Corporation [SynTerra], 2019a)and the Demonstration of 02L Compliance for the Belews Creek Ash Basin technical memorandum (Tech Memo)(SynTerra, 2020)presented the proposed remediation strategy to address constituents of interest(COI) in groundwater above the applicable regulatory criteria at or beyond the ash basin Geographic Limitation.The Pilot Test Work Plan(AECOM, 2020) summarized the field-testing plan of the proposed CAP implementation.The CAP strategy includes groundwater extraction and treatment combined with clean-water infiltration for the area northwest of the ash basin. In June of 2020, Duke Energy submitted a UIC permit application for North Carolina Department of Environmental Quality(NCDEQ)approval of the installation and operation of up to 74 clean water infiltration wells.At the request of NCDEQ, additional information was provided in a letter dated August 12, 2020.Approval of UIC permit#WI0400551 was received on October 5, 2020.A permit modification application was submitted to NCDEQ on July 12, 2021, to adjust the reporting requirement and approval of the modification was received on October 7, 2021. The purpose of this Annual Infiltration Report is to summarize the progress of the clean water infiltration system per the UIC permit.The groundwater extraction system was started on August 4, 2021, and clean water infiltration began on November 1, 2021.This report summarizes CAP pilot testing activities from system startup to September 30, 2022. Clean water infiltration will continue as part of the groundwater CAP system and future annual reports will summarize site progress. 1.2 Regulatory Framework Duke Energy has conducted extensive site investigation activities to comprehensively characterize environmental conditions in soil,groundwater, surface water, and sediments associated with the presence of coal combustion residuals(CCR)in and around the BCSS coal ash basin and the Pine Hall Road landfill. Duke Energy performed these activities in compliance with the North Carolina Coal Ash Management Act of 2014, as amended (CAMA), as well as the United States Environmental Protection Agency's(EPA's)CCR Rule. Human health and ecological risk assessments performed at the Site using EPA guidance demonstrate that risks to potential human health and ecological receptors associated with the coal ash basin are not measurably greater than risks posed by naturally occurring background conditions. In 2018,the NCDEQ ranked the ash basin at the BCSS as low-risk pursuant to CAMA.The corrective action discussed in this annual infiltration report is in response to Title 15A North Carolina Administrative Code, Subchapter 02L Groundwater Standard (02L Standard)exceedances beyond the Geographic Limitation shown on Figure 2. Assessment activities identified two contiguous areas located north and northwest of the Geographic Limitation of the ash basin with COI groundwater concentrations above applicable regulatory standards.The Consent Order(CO) signed by Duke Energy on February 5, 2020, specifies obligations related to the closure of coal ash impoundments and groundwater corrective action at six Duke Energy coal combustion sites.The CO defines the BCSS Geographic Limitation of the ash basin as 500 feet from the ash basin waste boundary. Groundwater concentrations greater than applicable 02L Standards, Interim Maximum Allowable Concentrations, or background threshold values(whichever is greater)outside of the ash basin Geographic Limitation must be addressed through corrective action at the Geographic Limitation. AECOM 1 2022 Annual Infiltration Report 60639236 2. Pilot Test The pilot test for the BCSS groundwater CAP was performed in the western treatment area shown in Figure 3.The purpose of the pilot test was to start treatment of the groundwater while providing information to help develop the full-scale infiltration and extraction systems proposed in the CAP.A well construction table summarizing details of the extraction, infiltration and monitoring wells is included as Table 1.The pilot test included 23 groundwater extraction wells and 23 infiltration wells. In addition, 26 performance monitoring wells have been installed to evaluate groundwater quality. Copies of the GW-1 well construction records were included in the Pilot Test Construction Completion Report dated February 2022(AECOM, 2022). Groundwater is being extracted from shallow, deep, and bedrock wells,treated through a modular(Evoqua Water Technologies)treatment system on site and then discharged to permitted outfall 006 as allowed in the National Pollutant Discharge Elimination System permit approved on March 21, 2019.The infiltration water is supplied from nearby Belews Lake.The water is pumped through particulate filtration, metal precipitation, and ultraviolet light treatments and then pumped into the clean water infiltration wells as proposed in the CAP. 2.1 Pilot Test Operation The groundwater extraction system was started on August 4, 2021, and the clean water infiltration began on November 1, 2021. Since startup, clean water infiltration has been conducted at all the infiltration wells.The total volume of clean water infiltrated between November 1, 2021, and September 30, 2022, is approximately 25,599,208 gallons. In addition, approximately 38,528,158 gallons of groundwater have been extracted between August 4, 2021, and September 30, 2022.Appendix A includes the NCDEQ Injection Event Record forms. 2.2 Infiltration Source Water Monitoring In compliance with the UIC permit, a sampling program was initiated to confirm constituents in the source water were below applicable groundwater standards. Samples are collected monthly from a port following the treatment system and prior to infiltration.A table summarizing the current NCDEQ approved sampling program for the clean water infiltration source is included as Table 2. Source water is analyzed monthly for total alkalinity, nitrate, select inorganic ions, select dissolved and total metals, mercury, geochemical parameters and bacterial counts.Additionally, each quarter the source water is analyzed for total polychlorinated biphenyls(PCBs), pesticides, lead and silver,volatile organic compounds (VOCs), semi-volatile organic compounds(SVOCs), and three per-and polyfluorinated substance compounds at the request of NCDEQ. It should be noted that the constituents requested by NCDEQ are unrelated to the Duke Energy operations. A baseline source water sample was collected in April 2021 prior to commissioning the extraction and infiltration well systems. Laboratory analytical results indicated the source water was in compliance with the applicable groundwater standards. Table 3 summarizes the laboratory analytical results between April 2021 and August 2022. Constituent concentrations have been below applicable groundwater standards. 2.3 Groundwater Monitoring Prior to startup of the extraction and infiltration system, a baseline groundwater sampling event was conducted in April 2021. Following startup, quarterly groundwater samples were collected in November 2021, February 2022, and June 2022. Groundwater samples were analyzed for total and dissolved metals, mercury, chloride, sulfate, pH, and total dissolved solids. Laboratory analytical results are summarized on Table 4. AECOM 2 2022 Annual Infiltration Report 60639236 3. Summary and Recommendations A CAP pilot test system was constructed to begin implementation of the proposed corrective action at the Site. Following is a brief summary of site activities: • Pilot test extraction and infiltration wells were installed between September 21 and December 31, 2020. • Groundwater extraction started on August 4, 2021. • Clean water infiltration began on November 1, 2021. • Approximately 25,599,208 gallons of clean water have been infiltrated to enhance groundwater remediation. • Approximately 38,528,158 gallons of groundwater have been extracted since startup. • Quarterly groundwater monitoring has been conducted to monitor remediation progress. • Monthly and quarterly water samples of the clean water source were collected. • Constituents of concern have not been detected in the source water samples above applicable groundwater standards. Based on the source water analytical data collected, Duke Energy recommends modifying the source water monitoring program. Duke Energy requests NCDEQ concurrence for the source water monitoring program proposed below.A reduced sampling program is requested since the constituents analyzed have consistently been below the applicable groundwater standards. Proposed Future Source Water Analytical Monitoring Program Monthly Laboratory Analyses Annual Laboratory Analyses(3) ■ Select Dissolved and Total Metals(1) Select Dissolved and Total Metals(1) ■ Geochemical Parameters(2) ■ Mercury ■ Lead And Silver ■ Bacterial Counts ■ Polychlorinated Biphenyls(PCBs), ■ Pesticides, ■ Volatile Organic Compounds(VOCs), ■ Semi-Volatile Organic Compounds(SVOCs) ■ Perfluorooctanesulfonic acid (PFOS) ■ Perfluoro-n-octanoic acid (PFOA) ■ Perfluoro-1-butanesulfonic acid (PFBS) Notes: (1)Select Dissolved and Total Metals: antimony, arsenic, barium beryllium, boron, cadmium, chloride, chromium, chromium, (hexavalent), cobalt, iron, lithium, manganese molybdenum, selenium, strontium, sulfate,thallium,total dissolved solids, (total), and vanadium. (2)Geochemical Parameters:Alkalinity, Bicarbonate Alkalinity, Calcium, Magnesium, Nitrate+ Nitrite, Potassium, and Sodium. (3)Constituents detected in the annual sampling event will be sampled to evaluate presence/absence in the source water.Additions or modifications to sampling/monitoring program will be determined based on evaluation of laboratory data and discussions with the NCDEQ. AECOM 3 2022 Annual Infiltration Report 60639236 4. References AECOM Technical Services, Inc., 2020. Pilot Test Work Plan, June 2020. AECOM Technical Services, Inc., 2022. Pilot Test Construction Completion Report. February 2022. SynTerra Corporation, 2019a. Corrective Action Plan Update, December 2019. SynTerra Corporation, 2020. Demonstration of 02L Compliance for the Belews Creek Ash Basin technical memorandum. AECOM 4 2022 Annual Infiltration Report 60639236 Tables AECOM Table 1 Well Construction Details Duke Energy Belews Creek Stream Station Belews Creek, North Carolina Easting Northing .. of Casing RRMIMMIM.M Well sump Bottom Top Sand Pack Bentonite MM Depth s) Screen Screen (ft .. .. .. .. .. Extraction Wells EX-18 1681239.98 928483.15 759.11 757.20 187 177-182 157-177 123-133 30-187 20-30 2-20 EX-21 1681270.31 928518.47 758.07 757.09 181 176-181 156-176 NA 30-181 20-30 2-20 EX-22 1681275.78 928572.35 756.58 755.33 185 175-180 155-175 NA 30-185 20-30 2-20 EX-23 1681286.46 928540.10 757.99 756.91 190 180-185 160-180 130-140 30-190 20-30 2-20 EX-25 1681291.79 928604.77 755.89 754.46 184 174-179 154-174 124-134 30-184 20-30 2-20 EX-26 1681299.06 928625.55 755.08 753.95 183 173-178 153-173 NA 30-183 20-30 2-20 EX-28 1681320.36 928644.93 755.04 753.85 174 169-174 149-169 124-134 30-174 20-30 2-20 EX-29 1681324.57 928523.69 760.29 758.68 183 173-178 153-173 NA 30-183 20-30 2-20 EX-30 1681334.37 928612.86 756.62 755.58 180 170-175 150-170 NA 30-180 20-30 2-20 EX-32 1681334.66 928688.21 754.11 752.91 181 171-176 151-171 102-112 30-181 20-30 2-20 EX-34 1681351.88 928660.17 755.84 754.52 184 174-179 154-174 NA 30-184 20-30 2-20 EX-35 1681354.69 928761.36 753.13 751.79 182 172-177 152-172 NA 30-182 20-30 2-20 EX-36 1681359.14 928719.64 754.43 753.21 183 173-178 153-173 NA 30-183 20-30 2-20 EX-37 1681371.48 928800.73 752.00 750.33 185 175-180 155-175 65-75 30-185 20-30 2-20 EX-38 1681372.03 928611.70 758.76 757.28 182 173-177 152-172 NA 30-182 20-30 2-20 EX-39 1681382.64 928690.37 756.61 754.80 184 174-179 154-174 124-134 30-184 20-30 2-20 EX-40 1681384.90 928785.03 753.34 751.61 181 171-176 151-171 NA 30-181 20-30 2-20 EX-41 1681384.89 928758.84 754.31 753.18 185 173-180 153-173 63-73 30-185 20-30 2-20 EX-43 1681396.17 928790.52 752.96 751.71 187 177-182 157-177 67-77 30-187 20-30 2-20 EX-44 1681395.25 928725.97 755.99 754.92 185 175-180 155-175 45-55 30-185 20-30 2-20 EX-45 1681401.17 928614.23 759.54 758.00 175 170-175 150-170 NA 30-183 20-30 2-20 EX-46 1681406.22 928799.60 752.74 751.21 187 177-182 157-177 NA 30-187 20-30 2-20 EX-47 1681422.62 928832.80 753.36 751.53 188 178-183 158-178 56-68 30-188 20-30 2-20 1 of 3 AECOM Table 1 Well Construction Details Duke Energy Belews Creek Stream Station Belews Creek, North Carolina .. o f C a s 1 in g Well sump Bottom Top Sand Pack Bentonite "M Depth or( - (ft AMSL) (amsi) (ft .. .. .. .. .. Infiltration Wells IW-28 1681264.06 928474.68 760.59 758.53 168 NA 148-168 NA 30-168 20-30 2-20 IW-30 1681271.98 928486.08 759.50 758.14 169 NA 149-169 NA 30-169 20-30 2-20 IW-31 1681283.69 928505.60 759.99 758.14 167 NA 147-167 NA 30-167 20-30 2-20 IW-33 1681294.62 928521.51 759.34 757.66 169 NA 169-149 NA 30-169 20-30 2-20 IW-35 1681304.36 928537.74 758.58 757.35 159 NA 139-159 NA 30-159 20-30 2-20 IW-38 1681313.00 928550.54 758.39 757.46 165 NA 145-165 NA 30-165 20-30 2-20 IW-39 1681321.63 928565.05 758.87 757.12 168 NA 148-168 NA 30-168 20-30 2-20 IW-44 1681333.31 928580.80 758.67 756.70 165 NA 145-165 NA 30-165 20-30 2-20 IW-45 1681337.16 928636.92 757.08 755.07 168 NA 148-168 NA 30-168 20-30 2-20 IW-48 1681346.49 928601.50 758.74 756.75 165 NA 145-165 NA 30-165 20-30 2-20 IW-51 1681357.26 928617.40 757.26 756.58 164 NA 144-164 NA 30-164 20-30 2-20 IW-53 1681359.75 928677.16 755.94 753.95 170 NA 150-170 120-130 30-170 20-30 2-20 IW-54 1681367.26 928632.68 757.68 756.40 164 NA 144-164 NA 30-164 20-30 2-20 IW-59 1681377.44 928647.43 757.83 756.26 166 NA 146-166 NA 30-166 20-30 2-20 IW-62 1681386.95 928662.58 757.45 755.64 165 NA 145-165 NA 30-165 20-30 2-20 IW-63 1681399.50 928681.32 757.66 756.06 165 NA 145-165 NA 30-165 20-30 2-20 IW-65 1681410.45 928700.81 757.88 756.31 165 NA 145-165 NA 30-165 20-30 2-20 IW-67 1681428.22 928729.23 757.16 755.81 167 NA 145-165 NA 30-167 20-30 2-20 IW-68 1681440.21 928747.67 756.43 754.98 167 NA 147-167 NA 30-167 20-30 2-20 IW-69 1681448.21 928760.58 756.04 755.01 170 NA 150-170 NA 30-170 20-30 2-20 IW-70 1681458.33 928775.13 755.73 754.19 170 NA 150-170 NA 30-170 20-30 2-20 IW-71 1681470.41 928791.16 756.03 754.32 168 NA 148-168 30-73 30-178 20-30 2-20 IW-72 1681483.03 928811.18 756.51 754.85 175 NA 155-175 55-65 30-175 20-30 2-20 Notes and Abbreviations: 1.Survey conducted on August 12,2021 by FEI 2.Depth of well construction features below ground surface are approximate based driller installation construction logs. ft AMSL-feet above mean sea level ft bgs-feet below ground surface NA-Not applicable NAD 83-North American Datum of 1983 2of3 AECOM Table 1 Well Construction Details Duke Energy Belews Creek Stream Station Belews Creek, North Carolina � Screen Interval Neat Cement Pilot Test Monitoring Wells PMW-Old 1681523.97 928697.02 774.14 771.56 50 53 40-50 37-53 35-37 2-35 PMW-02br 1681466.93 928599.11 770.88 768.02 173 173 163-173 160-173 135-160 2-135 PMW-02d 1681463.28 928601.51 770.73 768.31 50 53 40-50 37-53 35-37 2-35 PMW-03d 1681373.42 928521.27 762.83 760.20 32 37 20-30 15-37 13-15 2-13 PMW-04br 1681276.42 928793.80 745.36 742.21 140 170 130-140 127-145 115-127 2-115 PMW-04d 1 1681283.44 928781.45 749.96 749.83 50 47 40-50 38-53 36-38 1 2-36 PMW-04s 1681278.78 928787.92 747.35 744.21 32 32 22-32 20-32 18-20 2-18 PMW-05br 1681143.65 928636.66 756.51 754.57 120 170 105-115 102-120 90-102 2-90 PMW-05d 1681141.11 928620.34 758.53 755.84 45 57 45-55 43-57 35-43 2-35 PMW-05s 1681142.00 928628.68 758.53 755.08 37 37 27-37 25-37 23-25 2-23 PMW-06br 1680984.55 928765.91 742.75 740.05 165 201 155-165 145-175 130-145 2-130 PMW-06d 1680987.83 928749.24 745.08 742.46 52 52 42-52 40-52 37-40 2-37 PMW-07br 1681154.78 928941.57 733.49 728.76 155 203 145-155 135-165 120-135 2-120 PMW-07d 1681172.29 928926.17 732.59 729.35 54 54 44-54 42-54 39-42 2-39 PMW-07s 1681164.42 928934.05 732.23 729.13 40 40 30-40 28-40 25-28 2-25 PMW-08br 1681123.45 928246.83 779.33 774.55 185 200 175-185 165-195 150-165 2-150 PMW-08d 1681135.92 928252.46 778.52 775.37 65 65 55-65 52-65 49-52 2-49 PMW-09br 1680878.86 928447.02 760.78 755.92 155 200 145-155 135-165 120-135 2-120 PMW-09d 1680876.99 928457.91 759.18 756.06 65 65 55-65 53-65 50-53 2-50 PMW-10s 1680681.10 928365.69 726.38 723.18 45 45 35-45 33-45 30-33 2-30 PMW-11br 1682600.68 929383.23 NA 746.27 140 150 130-140 120-150 105-120 2-105 PMW-11d 1682613.69 929377.73 746.92 744.50 55 55 45-55 43-55 40-43 2-40 PMW-12br 1683056.18 929712.89 NA 629.21 133 154 123-133 113-143 98-113 2-98 PMW-12d 1683070.70 929697.56 NA 629.07 20 24 10-20 8-24 5-8 2-5 PMW-13br 1682693.66 929589.34 NA 732.78 164 200 154-164 144-174 129-144 2-129 PMW-13d 1682702.07 929603.22 734.37 731.93 45 45 35-45 33-45 30-33 NA Notes and Abbreviations: 1.Survey conducted on August 12,2021 by FEI and December 15,2021 2.Depth of well construction features below ground surface are approximate based driller installation construction logs. ft AMSL-feet above mean sea level ft bgs-feet below ground surface NA-Not applicable NAD 83-North American Datum of 1983 3of3 AECOM Table 2 Current Clean Water Infiltration Source Monitoring Plan Pilot Test Monitoring Plan Duke Energy-Belews Creek Steam Station Belews Creek, North Carolina 2021 QuarterlyConstituent 2021 (—April-December) Pre-Startup Sample Monthly Total Alkalinity i Alkalinity, Bicarbonate x x Alkalinity, Carbonate x x Total Alkalinity as CaCO3 x x Nitrate(EPA 353.2,EPA 365.1) Nitrite+Nitrate(Colorimetric) x x Total Phosphorus(Colorimetric) x x Inorganic Ions(EPA 300.0) Chloride x x Fluoride x x Sulfate x x Sulfide x x Site • ii Lithium x x Cobalt x x Manganese x x Thallium x x Beryllium x x Strontium x x CAP Excluded • 00 Antimony x x Barium x x Chromium and Hexavalent Chromium(3500Cr B-2011) x x Molybdenum x x Vanadium x x Dissolved and Total Metals(by ICP EPA 00 Aluminum x x Calcium x x Iron x x Magnesium x x Potassium x x Sodium x x Mercury(EPA 245.1) Mercury I x x Geochemical Parameters pH x x Oxidation-Reduction Potential x x Dissolved Oxygen(DO) x x Specific Conductivity x x Total Dissolved Solids x x Total Suspended Solids x x Total Organic Carbon x x Biological Oxygen Demand x x Total Hardness x x Ferrous Iron x x Ferric Iron x x Bacterial Counts(biofouling) x x Page 1 of 2 Table 2 Current Clean Water Infiltration Source Monitoring Plan Pilot Test Monitoring Plan Duke Energy-Belews Creek Steam Station Belews Creek, North Carolina 2021 Constituent 2021 (—April-December) Pre-Startup Sample Monthly Quarterly Unrelated Site Constituents b Total PCBs EPA 8082 x x Pesticides(EPA 8081) x x Lead and Silver 200.7/245.1 x x VOCs(EPA 8260) x x SVOCs EPA 8270 x x PFAS (EPA 537.1 aqueous) x x Perfluorooctanesulfonic acid PFOS x x Perfluoro-n-octanoic acid(PFOA) x x Perfluoro-1-butanesulfonic acid PFBS x x Notes: a If analytical results show consistent water quality below the applicable groundwater standards,a reduced sampling program may be implemented for future operations. b Unrelated site constituents will be monitored,including select PFAS compounds,at NCDEQ's request.These constituents are unrelated to Duke Energy and the operations and activities at the Belews Creek Steam Station. PFAS=per-and polytluoroalkyl substances PCB=polychlorinated biphenyl SVOC=semi-volatile organic compound VOC=volatile organic compound Page 2 of 2 Table 3 Summary of Clean Infiltration Water Analytical Data Duke Energy Belews Creek Stream Station Belews Creek, NC Collection Datel 4122/2021 1 8/5/2021 3/14/2022 4114/2022 6/1412022 7/1412022 Method Analyte CAS# Fraction Units NC 2L IMAC BTV BTV(deep) BTV EPA9040C H PH T pH 6.5-8.5 8.01 7.31 1.6J 6.8J 7.OJ 7.7J 7.8J 7.8J 6.8J 7.5J 7.6J SM2540C Total Dissolved Solids TDS D m /L 500.00 93 134 181 69 54 46 66 61 61 53 59 54 62 64 60 SM2540D Total Suspended Solids TSS N m /L NS <2.5 <2.6 <2.5 <2.6 <2.5 <2.5 <2.5 <2.5 <2.5 <2.5 <2.6 <2.5 SM5310B Total Organic Carbon TOC T m /L NS 2.8 2.7 2.2 2.1 2.6 1.9 1.9 2 2.2 2.3 2.2 2.4 SM5210B BOD BOD5 T m /L NS <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.OUJ <2.0 E200.7 Hardness,Total SM 23406 HARDNESS D u /L NS 23400 23300 23200 24700 21400 23100 24400 24300 26600 27000 22300 25500 E200.7 Hardness,Total SM 2340B HARDNESS T u /L NS 25300 24600 24600 25500 26100 27700 25000 25800 25400 27400 24900 27000 SM3500 Ferrous Iron FE2+ T m /L 0.3 <0.040 UJ <0.040 UJ <0.040 UJ <0.040 UJ <0.040 UJ 0.045 J <0.040 UJ 0.046 J <0.040 UJ <0.040 UJ <0.040 UJ <0.040 UJ SM3500 CAL Ferric Iron FE3+ T m /L 0.3 <0.25 UJ <0.25 UJ <0.25 UJ <0.25 UJ <0.25 UJ <0.25 UJ <0.25 UJ <0.25 UJ <0.25 UJ <0.25 UJ <0.25 UJ <0.25 UJ SM2320B Alkalinity ALKALINITY T m /L NS 29.5 26.6 24.6 28.4 28.7 27.4 25.9 32.9 32 27.1 27.7 28.4 SM2320B Bicarbonate 71-52-3 T m /L NS 29.5 26.6 24.6 28.4 28.7 27.4 25.9 32.9 32 27.1 27.7 28.4 SM2320B Carbonate alkalinity 3812-32-6 T m /L NS <5.0 <5.0 <8.45 <8.45 <8.45 <8.45 <8.45 <8.45 <8.45 <5.0 <5.0 <5.0 E353.2 Nitrite+Nitrate as N NO2+NO3-N T m /L NS <0.017 <0.017 0.094 0.11 0.13 0.15 0.15 0.14 0.12 0.059 0.061 0.029 J E365.1 Phosphorus 7723-14-0 T m /L NS 0.028 J <0.025 <0.025 <0.025 <0.025 <0.025 <0.025 <0.025 <0.025 <0.025 <0.025 0.027 J E300.0 Bromide 24959-67-9 T m /L NS NM 0.079 J <0.060 <0.060 <0.060 <0.060 <0.060 <0.060 0.069 J- 0.085 J 0.080 J <0.060 E300.0 Chloride 16887-00-6 T m /L 250 19 19 3 4.8 4.8 4.9 <0.60 5.0 J+ 4.8 4.7 4.7 5.2 5.2 5.5 5.4 E300.0 Fluoride 16984-48-8 T m /L 2000 0.068 J 0.065 J 0.074 J <0.050 0.063 J 0.059 J 0.055 J <0.050 0.094 J 0.11 0.1 0.12 E300.0 Sulfate 14808-79-8 T m /L 250 2 8 15 5 5.4 4.9 4.9 5.0 J+ 4.8 4.6 4.6 5 5 5.5 5.5 SM4500-S2-D Sulfide 18496-25-8 T m /L NS <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 E218.7 Chromium,Hexavalent 18540-29-9 T u /L 10 4 0.6 0.4 0.042 0.018 J <0.012 UJ <0.012 0.021 J- <0.012 UJ <0.012 <0.012 <0.012 UJ 0.095 <0.012 <0.012 E200.7 Aluminum 7429-90-5 D u /L NS <72.0 <72.0 <72.0 <72.0 <72.0 <72.0 <72.0 <72.0 <30.7 <30.7 <72.0 <72.0 E200.7 Aluminum 7429-90-5 T u /L NS <72.0 <72.0 <72.0 <72.0 <72.0 <72.0 <72.0 <72.0 <72.0 <30.7 <72.0 <72.0 E200.7 Barium 7440-39-3 D u /L 700 123 16 11 14.9 13.1 13.4 15 12.3 13.1 13.5 13.5 15.5 16.7 12.2 14.3 E200.7 Barium 7440-39-3 T u /L 700 123 16 11 16.3 13.8 15.2 14.4 14.5 16 15 14.9 14.4 15.5 14.2 15.3 E200.7 Beryllium 7440-41-7 D u /L 4 0.3 0.1 0.2 <0.70 <0.70 <0.70 <0.70 <0.70 <0.70 <0.70 <0.70 <0.17 <0.17 <0.70 <0.70 E200.7 Beryllium 7440-41-7 T u /L 4 0.3 0.1 0.2 <0.70 <0.70 <0.70 <0.70 <0.70 <0.70 <0.70 <0.70 <0.70 <0.17 <0.70 <0.70 E200.7 Boron 7440-42-8 D u /L 700 50 50 50 NA 46.2 J 40.0 J 41.8 J 34.7 J 38.7 J 37.1 J 40.4 J 42.2 J 48.7 J 43.4 J 40.9 J E200.7 Boron 7440-42-8 T u /L 700 50 50 50 NA 43.7 J 33.9 J 41.7 J 42.5 J 48.3 J 39.9 J 45.3 J 41.2 J 42.3 J 40.2 J 44.7 J E200.7 Calcium 7440-70-2 D u /L NS 5670 5260 5280 5650 4880 5340 5430 5450 6040 6300 4970 5780 E200.7 Calcium 7440-70-2 T u /L NS 6050 5420 5560 5790 5930 6370 5700 5800 5780 6290 5670 6240 E200.7 Chromium 7440-47-3 D u /L 10 11 3 11 <3.7 <3.7 <3.7 <3.7 <3.7 <3.7 <3.7 <3.7 <1.7 <1.7 <3.7 <3.7 E200.7 Chromium 7440-47-3 T u /L 10 11 3 11 <3.7 <3.7 <3.7 <3.7 <3.7 <3.7 <3.7 <3.7 <3.7 <1.7 <3.7 <3.7 E200.7 Iron 7439-89-6 D u /L 300 1600 226 341 115 <41.5 <41.5 <41.5 <41.5 <41.5 <41.5 <41.5 37.8 J <25.0 <41.5 <41.5 E200.7 Iron 7439-89-6 T u /L 300 1600 226 341 118 59.2 101 <41.5 <41.5 <41.5 48.2 J <41.5 46.2 J <25.0 53.6 <41.5 E200.7 Magnesium 7439-95-4 D u /L NS 2230 2460 2420 2560 2240 2380 2640 2600 2800 2750 2390 2700 E200.7 Magnesium 7439-95-4 T u /L NS 2470 2690 2590 2680 2740 2870 2610 2740 2660 2830 2600 2780 E200.7 Manganese 7439-96-5 D u /L 50 1 40 57 1 64 6.5 <3.4 <3.4 <3.4 <3.4 <3.4 <3.4 <3.4 9.6 <1.1 <3.4 <3.4 E200.7 Manganese 7439-96-5 T u /L 50 40 57 64 6 14.2 50.3 7.5 9 3.9 J 14 4.8 J 9.6 8.7 21.5 26.8 E200.7 Potassium 7440-09-7 D u /L NS 3170 J <3040 <3040 <3040 <3040 <3040 <3040 <3040 2450 2780 <3040 <3040 E200.7 Potassium 7440-09-7 T u /L NS 3510 J <3040 <3040 <3040 <3040 <3040 3070 J <3040 <3040 2410 <3040 <3040 E200.7 Sodium 7440-23-5 D u /L NS NA 4860 J 4570 J 4910 J 4260 J 4470 J 4710 J 4890 J 4660 5470 4590 J 4480 J E200.7 Sodium 7440-23-5 T u /L NS 4730 J 5010 4860 J 4950 J 4770 J 5380 4920 J 5010 4850 J 4640 4640 J 4930 J E200.7 Strontium 7440-24-6 D u /L 2000 46 73 99 43 47 46.8 50.3 43.5 44.4 46.4 49.1 54 61 46 54.3 E200.7 Strontium 7440-24-6 T u /L 2000 46 73 99 48.1 48.5 50.1 52 51.2 53.4 49.7 50.1 49.8 55.4 50.6 56.2 E200.7 Zinc 7440-66-6 D u /L 1000 NA <9.5 <9.5 <9.5 <9.5 <9.5 <9.5 <9.5 <11.0 <11.0 <9.5 <9.5 E200.7 Zinc 7440-66-6 T u /L 1000 NA 11 <9.5 <9.5 <9.5 <9.5 <9.5 <9.5 <9.5 <11.0 <9.5 <9.5 E200.8 Antimony 7440-36-0 D u /L 1 1 1 1 <3.0 <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 E200.8 Antimony 7440-36-0 T u /L 1 1 1 1 <3.0 <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 E200.8 Arsenic 7440-38-2 D u /L 10 1 1 2 NA 0.53 J 0.51 J 0.44 J 0.38 J 0.34 J 0.35 J 0.36 J 0.39 J 0.52 J 0.57 J 0.50 J E200.8 Arsenic 7440-38-2 T u /L 10 1 1 2 NA 0.53 J 0.62 J 0.50 J 0.48 J 0.41 J 0.42 J 0.36 J 0.43 J 0.50 J 0.48 J 0.58 J E200.8 Cadmium 7440-43-9 D u /L 2 1 0.08 0.08 NA <0.060 <0.060 <0.060 <0.060 <0.060 <0.060 <0.060 <0.060 <0.060 <0.060 <0.060 E200.8 Cadmium 7440-43-9 T u /L 2 1 0.08 0.08 NA <0.060 <0.060 <0.060 <0.060 <0.060 <0.060 <0.060 <0.060 <0.060 <0.060 <0.060 E200.7 Cobalt 7440-48-4 D u /L 1 1 0.6 2 0.8 <3.6 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 E200.7 Cobalt 7440-48-4 T u /L 1 0.6 2 0.8 <3.6 <0.050 0.063 J <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 E200.8 Copper 7440-50-8 D u /L 1000 NA 7.8 <1.1 <1.1 1.2 J <1.1 <1.1 <1.1 1.5 J 1.7 J <1.1 <1.1 E200.8 Copper 7440-50-8 T u /L 1000 NA 11.7 1.3 J 1.3 J 1.6 J <1.1 1.2 J <1.1 1.3 J 1.3 J 1.2 J 1.5 J E200.8 Lithium 7439-93-2 D u /L NS 2.00 95.00 30.00 0.95 J <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 E200.8 Lithium 7439-93-2 T u /L NS 2.00 95.00 30.00 0.64 J <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 E200.8 Molybdenum 7439-98-7 D u /L NS 0.50 2.00 6.00 <3.9 0.72 J 0.65 J 0.72 J 0.69 J 0.77 J 0.54 J 0.65 J 0.60 J 0.68 J 0.76 J 0.73 J E200.8 Molybdenum 7439-98-7 T u /L NS 0.50 2.00 6.00 <3.9 0.63 J 0.70 J 0.75 J 0.80 J 0.78 J 0.74 J 0.57 J 0.79 J 0.62 J <1.0 U 0.83 J E200.8 Nickel 7440-02-0 D u /L 100 NA 0.67 J <0.42 <0.42 <0.42 <0.42 <0.42 <0.42 0.47 J <0.42 <0.42 <0.42 E200.8 Nickel 7440-02-0 T u /L 100 NA <0.42 <0.42 <0.42 <0.42 <0.42 <0.42 <0.42 <0.42 <0.42 <0.42 0.43 J E200.8 Selenium 7782-49-2 D u /L 20 1 0.5 0.5 NA 0.19 J 0.19 J 0.11 J 0.24 J 0.18 J 0.20 J 0.18 J 0.19 J 0.23 J 0.23 J 0.23 J E200.8 Selenium 7782-49-2 T u /L 20 1 0.5 0.5 NA 0.22 J 0.20 J 0.25 J 0.20 J 0.18 J 0.18 J 0.18 J 0.22 J 0.23 J 0.20 J 0.21 J E200.7 Thallium 7440-28-0 D u /L 2 0.2 0.1 0.1 <8.1 0.19 J <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 E200.7 Thallium 7440-28-0 T u /L 2 0.2 0.1 0.1 <8.1 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 <0.050 E200.7 Vanadium 7440-62-2 D u /L 7 3 2 2 <3.9 0.58 J 0.30 J 0.28 J <0.25 <0.25 0.25 J 0.27 J 0.33 J 0.49 J 0.50 J 0.48 J E200.7 Vanadium 7440-62-2 T u /L 7 3 2 2 <3.9 0.67 J 0.52 J 0.38 J 0.33 J 0.27 J 0.34 J 0.32 J 0.42 J 0.54 J 0.62 J 0.59 J E245.1 Mercury 7439-97-6 D u /L 1 0.2 0.2 0.2 NA <0.12 <0.12 <0.12 <0.12 <0.12 <0.12 <0.12 <0.12 <0.12 <0.12 <0.12 E245.1 Mercury 7439-97-6 T u /L 1 0.2 0.2 0.2 <0.12 <0.12 <0.12 <0.12 <0.12 <0.12 <0.12 <0.12 <0.12 <0.12 <0.12 <0.12 E200.7 Lead 7439-92-1 D u /L 15 NA <4.5 <4.5 <4.5 <4.5 <4.5 NA NA <4.6 <4.6 <4.5 <4.5 E200.7 Lead 7439-92-1 T u /L 15 <4.5 <4.5 <4.5 <4.5 <4.5 <4.5 NA NA <4.5 <4.6 <4.5 5.2 E200.7 Silver 7440-22-4 D u /L 20 <2.5 <2.5 <2.5 <2.5 <2.5 NA NA <1.0 <1.0 <2.5 <2.5 E200.7 Silver 7440-22-4 T u /L 20 NA <2.5 <2.5 <2.5 <2.5 NA NA <2.5 <1.0 <2.5 <2.5 Anarobic Bacteria CFU/ml NS NA NA NA NA NA <1 <1 <1 1 3 6 4 1 of 4 Table 3 Summary of Clean Infiltration Water Analytical Data Duke Energy Belews Creek Stream Station Belews Creek, NC Collection Datel 4/22/2021 8/5/2021 3/14/2022 1 4114/2022 6/1412022 1 7/1412022 Method Analyte CAS# Fraction Units NC 2L IMAC BTVw) BTV(deep) BTV Iron Related Bacteria NS NA NA NA NA NA Present Present Present Present Present Present Present Acremonium mold CFU/ml NS NA NA NA NA NA <1 <1 <1 <1 <1 <1 <1 Non-s orulatin fungi CFU/ml NS NA NA NA NA NA <1 <1 <1 <1 <1 <1 <1 Yeasts CFU/ml NS NA NA NA NA NA <1 <1 <1 <1 <1 <1 <1 PFAS BY ID SOP PFBS 375-73-5 N n /L NS <3.7 <3.6 <3.7 <3.8 <3.6 <3.9 NA NA 2.2 J NA NA 2.4 J PFAS BY ID SOP PFOS 1763-23-1 N n /L NS 4.5 3.7 <3.7 4.4 <3.6 <3.9 NA NA 3.9 NA NA 3.3 J PFAS BY ID SOP PFOA 335-67-1 N n /L NS 2000 <3.7 <3.6 <3.7 <3.8 <3.6 <3.9 NA NA 2.8 J NA NA 3.3 J E8081 4,4'-DDD 72-54-8 N I u /L 0.10 <0.012 <0.011 <0.0177 <0.0177 <0.0177 <0.017 NA NA <0.015 NA NA <0.015 E8081 4,4'-DDE 72-55-9 N u /L 0.10 <0.016 <0.014 <0.0154 <0.0154 <0.0154 <0.024 NA NA <0.022 NA NA <0.022 E8081 4,4'-DDT 50-29-3 N u /L 0.10 <0.048 <0.044 <0.0198 <0.0198 <0.0198 <0.026 NA NA <0.023 NA NA <0.023 E8081 Aldrin 309-00-2 N u /L 0.002 <0.026 <0.023 <0.0198 <0.0198 <0.0198 <0.014 NA NA <0.013 NA NA <0.013 E8081 al ha-BHC 319-84-6 N u /L 0.006 <0.026 <0.023 <0.0172 <0.0172 <0.0172 <0.012 NA NA <0.011 NA NA <0.011 E8081 beta-BHC 319-85-7 N u /L 0.02 <0.022 <0.020 <0.0208 <0.0208 <0.0208 <0.049 NA NA <0.044 NA NA <0.044 E8081 Chlordane 57-74-9 N u /L 0.10 <0.21 <0.19 <0.0198 <0.0198 <0.0198 <0.16 NA NA <0.14 NA NA <0.14 E8081 delta-BHC 319-86-8 N u /L nd <0.018 <0.017 <0.0150 <0.0150 <0.0150 <0.014 NA NA <0.013 NA NA <0.013 E8081 Dieldrin 60-57-1 N u /L 0.002 <0.013 <0.012 <0.0162 <0.0162 <0.0162 <0.015 NA NA <0.014 NA NA <0.014 E8081 Endosulfan 1 959-98-8 N u /L 40 <0.014 <0.013 <0.0160 <0.0160 <0.0160 <0.017 NA NA <0.016 NA NA <0.016 E8081 Endosulfan 11 33213-65-9 N u /L 40 <0.017 <0.016 <0.0164 <0.0164 <0.0164 <0.016 NA NA <0.014 NA NA <0.014 E8081 Endosulfan sulfate 1031-07-8 N u /L 40 <0.014 <0.013 <0.0217 <0.0217 <0.0217 <0.015 NA NA <0.013 NA NA <0.013 E8081 Endrin 72-20-8 N u /L 2 <0.014 <0.013 <0.0161 <0.0161 <0.0161 <0.018 NA NA <0.016 NA NA <0.016 E8081 Endrin aldehyde 7421-93-4 N u /L 2 <0.028 <0.025 <0.0237 <0.0237 <0.0237 <0.016 NA NA <0.015 NA NA <0.015 E8081 Endrin ketone 53494-70-5 N u /L 2 <0.020 <0.018 <0.0219 <0.0219 <0.0219 <0.012 NA NA <0.011 NA NA <0.011 E8081gamma-BHC 58-89-9 N u /L 0.03 <0.020 <0.018 <0.0209 <0.0209 <0.0209 <0.012 NA NA <0.011 NA NA <0.011 E8081 Heptachlor 76-44-8 N u /L 0.008 <0.036 <0.033 <0.0148 <0.0148 <0.0148 <0.020 NA NA <0.018 NA NA <0.018 E8081 Heptachlor epoxide 1024-57-3 N u /L 0.004 <0.015 <0.014 <0.0183 <0.0183 <0.0183 <0.028 NA NA <0.026 NA NA <0.026 E8081 Hexachlorobenzene 118-74-1 N u /L 0.02 <0.028 <0.025 <0.0176 <0.0176 <0.0176 <0.031 NA NA <0.028 NA NA <0.028 E8081 Metho chlor 72-43-5 N u /L 40.00 <0.12 <0.11 <0.0193 <0.0193 <0.0193 <0.042 NA NA <0.038 NA NA <0.038 E8081 Mirex 2385-85-5 N u /L NS <0.065 <0.059 <0.034 NA NA <0.031 NA NA <0.031 E8081 Toxa hene 8001-35-2 N u /L 0.03 <0.27 <0.25 <0.168 <0.168 <0.168 <0.22 NA NA <0.20 NA NA <0.20 E8082 Aroclor 1016 12674-11-2 N u /L NS <0.47 <0.47 <0.39 <0.43 <0.39 UJ <0.19 NA NA <0.20 NA NA <0.18 E8082 Aroclor 1221 11104-28-2 N u /L NS <0.45 <0.45 <0.38 <0.41 <0.38 <0.21 NA NA <0.22 NA NA <0.19 E8082 Aroclor 1232 11141-16-5 N u /L NS <0.36 <0.36 <0.30 <0.33 <0.30 <0.21 NA NA <0.22 NA NA <0.19 E8082 Aroclor 1242 53469-21-9 N u /L NS <0.26 <0.26 <0.22 <0.24 <0.22 <0.23 NA NA <0.24 NA NA <0.21 E8082 Aroclor 1248 12672-29-6 N u /L NS <0.40 <0.40 <0.34 <0.37 <0.34 <0.26 NA NA <0.28 NA NA <0.24 E8082 Aroclor 1254 11097-69-1 N u /L NS <0.25 <0.25 <0.21 <0.23 <0.21 <0.19 NA NA <0.20 NA NA <0.18 E8082 Aroclor 1260 11096-82-5 N u /L NS <0.42 <0.42 <0.35 <0.38 <0.35 <0.14 NA NA <0.15 NA NA <0.13 E8260 1,1,1,2-Tetrachloroethane 630-20-6 N u /L 1 <0.31 <0.31 <0.31 <0.31 <0.31 <0.31 NA NA <0.31 NA NA <0.31 E8260 1,1,1-Trichloroethane 71-55-6 N u /L 200 <0.33 <0.33 <0.33 <0.33 <0.33 <0.33 NA NA <0.33 NA NA <0.33 E8260 1,1,2,2-Tetrachloroethane 79-34-5 N u /L 0.2 <0.22 <0.22 <0.22 <0.22 <0.22 <0.22 NA NA <0.22 NA NA <0.22 E8260 1,1,2-Trichloroethane 79-00-5 N u /L 0.6 <0.32 <0.32 <0.32 <0.32 <0.32 <0.32 NA NA <0.32 NA NA <0.32 E8260 1,1-Dichloroethane 75-34-3 N u /L 6 <0.37 <0.37 <0.37 <0.37 <0.37 <0.37 NA NA <0.37 NA NA <0.37 E8260 1,1-Dichloroethene 75-35-4 N u /L 350 <0.35 <0.35 <0.35 <0.35 <0.35 <0.35 NA NA <0.35 NA NA <0.35 E8260 1,1-Dichloro ro ene 563-58-6 N u /L 0.6 <0.43 <0.43 <0.43 <0.43 <0.43 <0.43 NA NA <0.43 NA NA <0.43 E8260 1,2,3-Trichlorobenzene 87-61-6 N u /L NS <0.81 <0.81 <0.81 <0.81 <0.81 <0.81 NA NA <0.81 NA NA <0.81 E8260 1,2,3-Trichloro ro ane 96-18-4 N u /L 0.005 <0.26 <0.26 <0.26 <0.26 <0.26 <0.26 NA NA <0.26 NA NA <0.26 E8260 1,2,4-Trichlorobenzene 120-82-1 N u /L 70 <0.64 <0.64 <0.64 <0.64 <0.64 <0.64 NA NA <0.64 NA NA <0.64 E8260 1,2-Dibromo-3-chloro ro ane 96-12-8 N u /L 0.04 <0.34 <0.34 <0.34 <0.34 <0.34 <0.34 NA NA <0.34 NA NA <0.34 E8260 1,2-Dibromoethane 106-93-4 N u /L 0.2 <0.27 <0.27 <0.27 <0.27 <0.27 <0.27 NA NA <0.27 NA NA <0.27 E8260 1,2-Dichlorobenzene 95-50-1 N u /L 20 <0.34 <0.34 <0.34 <0.34 <0.34 <0.34 NA NA <0.34 NA NA <0.34 E8260 1,2-Dichloroethane 107-06-2 N u /L 0.4 <0.32 <0.32 <0.32 <0.32 <0.32 <0.32 NA NA <0.32 NA NA <0.32 E8260 1,2-Dichloro ro ane 78-87-5 N u /L 0.6 <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 NA NA <0.36 NA NA <0.36 E8260 1,3-Dichlorobenzene 541-73-1 N u /L 200 <0.34 <0.34 <0.34 <0.34 <0.34 <0.34 NA NA <0.34 NA NA <0.34 E8260 1,3-Dichloro ro ane 142-28-9 N u /L 0.4 <0.28 <0.28 <0.28 <0.28 <0.28 <0.28 NA NA <0.28 NA NA <0.28 E8260 1,4-Dichlorobenzene 106-46-7 N u /L 6 <0.33 <0.33 <0.33 <0.33 <0.33 <0.33 NA NA <0.33 NA NA <0.33 E8260 1-meth 1-4-meth Ieth I-benzene 99-87-6 N u /L NS <0.41 <0.41 <0.41 <0.41 <0.41 <0.41 NA NA <0.41 NA NA <0.41 E8260 2,2-Dichloro ro ane 594-20-7 N u /L NS <0.39 <0.39 <0.39 <0.39 <0.39 <0.39 NA NA <0.39 NA NA <0.39 E8260 2-Butanone 78-93-3 N u /L 4000 <4.0 <4.0 <4.0 <4.0 <4.0 <4.0 NA NA <4.0 NA NA <4.0 E8260 2-Chlorotoluene 95-49-8 N u /L 100 <0.32 <0.32 <0.32 <0.32 <0.32 <0.32 NA NA <0.32 NA NA <0.32 E8260 2-Hexanone 591-78-6 N u /L NS <0.48 <0.48 <0.48 <0.48 <0.48 <0.48 NA NA <0.48 NA NA <0.48 E8260 4-Chlorotoluene 106-43-4 N u /L 24 <0.32 <0.32 <0.32 <0.32 <0.32 <0.32 NA NA <0.32 NA NA <0.32 E8260 4-Meth 1-2- entanone 108-10-1 N u /L NS <2.7 <2.7 <2.7 <2.7 <2.7 <2.7 NA NA <2.7 NA NA <2.7 E8260 Acetone 67-64-1 N u /L 6000 <5.1 <5.1 <5.1 <5.1 <5.1 <5.1 NA NA <5.1 NA NA <5.1 E8260 Benzene 71-43-2 N u /L 1 <0.34 <0.34 <0.34 <0.34 <0.34 <0.34 NA NA <0.34 NA NA <0.34 E8260 Bromobenzene 108-86-1 N u /L NS <0.29 <0.29 <0.29 <0.29 <0.29 <0.29 NA NA <0.29 NA NA <0.29 E8260 Bromochloromethane 74-97-5 N u /L NS <0.47 <0.47 <0.47 <0.47 <0.47 <0.47 NA NA <0.47 NA NA <0.47 E8260 Bromodichloromethane 75-27-4 N u /L 0.6 <0.31 <0.31 <0.31 <0.31 <0.31 <0.31 NA NA <0.31 NA NA <0.31 E8260 Bromoform 75-25-2 N u /L 4 <0.34 <0.34 <0.34 <0.34 <0.34 <0.34 NA NA <0.34 NA NA <0.34 E8260 Bromomethane 74-83-9 N u /L 10 <1.7 <1.7 <1.7 <1.7 <1.7 <1.7 NA NA <1.7 NA NA <1.7 E8260 Carbon tetrachloride 56-23-5 N u /L 0.3 <0.33 <0.33 <0.33 <0.33 <0.33 <0.33 NA NA <0.33 NA NA <0.33 E8260 Chlorobenzene 108-90-7 N u /L 50 <0.28 <0.28 <0.28 <0.28 <0.28 <0.28 NA NA <0.28 NA NA <0.28 E8260 Chloroethane 75-00-3 N u /L 3000 <0.65 <0.65 <0.65 <0.65 <0.65 <0.65 NA NA <0.65 NA NA <0.65 E8260 Chloroform 67-66-3 N u /L 70 <1.6 <0.43 <0.43 <0.43 <0.43 <0.43 NA NA <0.43 NA NA <0.43 E8260 Chloromethane 74-87-3 N u /L 3 <0.54 <0.54 <0.54 <0.54 <0.54 <0.54 NA NA <0.54 NA NA <0.54 E8260 cis-1,2-Dichloroethene 156-59-2 N u /L 70 <0.38 <0.38 <0.38 <0.38 <0.38 <0.38 NA NA <0.38 NA NA <0.38 E8260 cis-1,3-Dichloro ro ene 10061-01-5 N u /L 0.4 <0.36 <0.36 1 <0.36 <0.36 <0.36 <0.36 NA NA <0.36 NA NA <0.36 2 of 4 Table 3 Summary of Clean Infiltration Water Analytical Data Duke Energy Belews Creek Stream Station Belews Creek, NC Collection Datel 4/22/2021 8/5/2021 3/14/2022 1 4114/2022 6/1412022 1 7/1412022 Method Analyte CAS# Fraction Units NC 2L IMAC BTVw) BTV(deep) BTV E8260 Dibromochloromethane 124-48-1 N u /L 0.4 <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 NA NA <0.36 NA NA <0.36 E8260 Dibromomethane 74-95-3 N u /L NS 70 <0.39 <0.39 <0.39 <0.39 <0.39 <0.39 NA NA <0.39 NA NA <0.39 E8260 Dichlorodifluoromethane 75-71-8 N u /L 1000 <0.35 <0.35 <0.35 <0.35 <0.35 <0.35 NA NA <0.35 NA NA <0.35 E8260 Diisopropyl ether 108-20-3 N u /L 40 <0.31 <0.31 <0.31 <0.31 <0.31 <0.31 NA NA <0.31 NA NA <0.31 E8260 Eth Ibenzene 100-41-4 N u /L 600 <0.30 <0.30 <0.30 <0.30 <0.30 <0.30 NA NA <0.30 NA NA <0.30 E8260 Hexachlorobutadiene 87-68-3 N u /L NS <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 NA NA <1.5 NA NA <1.5 E8260 Methyl tert-but I ether 1634-04-4 N u /L 20 <0.42 <0.42 <0.42 <0.42 <0.42 <0.42 NA NA <0.42 NA NA <0.42 E8260 Methylene chloride 75-09-2 N u /L 5 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 NA NA <2.0 NA NA <2.0 E8260 Naphthalene 91-20-3 N u /L 6 <0.64 <0.64 <0.64 <0.64 <0.64 <0.64 NA NA <0.64 NA NA <0.64 E8260 Styrene 100-42-5 N u /L 70 <0.29 <0.29 <0.29 <0.29 <0.29 <0.29 NA NA <0.29 NA NA <0.29 E8260 Tetrachloroethene 127-18-4 N u /L 0.7 <0.29 <0.29 <0.29 <0.29 <0.29 <0.29 NA NA <0.29 NA NA <0.29 E8260 Toluene 108-88-3 N u /L 600 <0.48 <0.48 <0.48 <0.48 <0.48 <0.48 NA NA <0.48 NA NA <0.48 E8260 trans-1,2-Dichloroethene 156-60-5 N u /L 100 <0.40 <0.40 <0.40 <0.40 <0.40 <0.40 NA NA <0.40 NA NA <0.40 E8260 trans-1,3-Dichloro ro ene 10061-02-6 N u /L 0.4 <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 NA NA <0.36 NA NA <0.36 E8260 Trichloroethene 79-01-6 N u /L 3 <0.38 <0.38 <0.38 <0.38 <0.38 <0.38 NA NA <0.38 NA NA <0.38 E8260 Trichlorofluoromethane 75-69-4 N u /L 2000 <0.30 <0.30 <0.30 <0.30 <0.30 <0.30 NA NA <0.30 NA NA <0.30 E8260 Vinyl acetate 108-054 N u /L NS 88 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 NA NA <1.3 NA NA <1.3 E8260 Vinyl chloride 75-01-4 N u /L 0.03 <0.39 <0.39 <0.39 <0.39 <0.39 <0.39 NA NA <0.39 NA NA <0.39 E8260 m& -X Iene 179601-23-1 N u /L 500 <0.71 <0.71 <0.71 <0.71 <0.71 <0.71 NA NA <0.71 NA NA <0.71 E8260 o-X Iene 95-47-6 N u /L 500 <0.34 <0.34 <0.34 <0.34 <0.34 <0.34 NA NA <0.34 NA NA <0.34 E8260 Xylenes,Total 1330-20-7 N u /L 500 <0.34 <0.34 <0.34 <0.34 <0.34 <0.34 NA NA <0.34 NA NA <0.34 E8270 BY SIM 1-Meth Ina hthalene 90-12-0 N u /L 1 <2.0 <0.033 0.0090 J <1.0 U <1.0 U <0.0074 NA NA <0.0074 NA NA <0.031 E8270 BY SIM 2-Meth Ina hthalene 91-57-6 N u /L 30 <1.9 <0.037 <0.023 <0.023 <0.023 <0.023 NA NA <0.023 NA NA <0.048 E8270 BY SIM Acena hthene 83-32-9 N u /L 80 <2.0 <0.061 <0.0084 <0.0084 0.025 J 0.073 J NA NA <0.0084 NA NA <0.036 E8270 BY SIM Acena hth Iene 208-96-8 N u /L 200 <2.0 <0.027 <0.018 <0.018 <0.018 <0.018 NA NA <0.018 NA NA <0.035 E8270 BY SIM Anthracene 120-12-7 N u /L 2000 <2.3 <0.029 <0.014 <0.014 <0.014 <0.014 NA NA <0.014 NA NA 0.072 J E8270 BY SIM Benz a anthracene 56-55-3 N u /L 0.05 <2.7 <0.037 <0.046 <0.046 <0.046 <0.046 NA NA <0.046 NA NA 0.057 J E8270 BY SIM Benzo a rene 50-32-8 N u /L 0.005 <2.8 <0.043 <0.0090 <0.0090 <0.20 U <0.0090 NA NA <0.0090 NA NA <0.049 E8270 BY SIM Benzo b fluoranthene 205-99-2 N u /L 0.05 <2.6 <0.035 <0.017 <0.017 <1.0 U <0.017 NA NA <0.017 NA NA 0.043 J E8270 BY SIM Benzo ,h,i a Iene 191-24-2 N u /L 200 <2.8 <0.031 <0.013 <0.013 <1.0 U <0.013 NA NA <0.013 NA NA <0.039 E8270 BY SIM Benzo k fluoranthene 207-08-9 N u /L 0.5 <2.7 <0.038 <0.014 <0.014 <0.014 <0.014 NA NA <0.014 NA NA <1.0 U E8270 BY SIM Chrysene 218-01-9 N u /L 5 <2.8 <0.032 <0.032 <0.032 <0.032 <0.032 NA NA <0.032 NA NA 0.078 J E8270 BY SIM Dibenz a,h anthracene 53-70-3 N u /L 0.005 <3.0 <0.029 <0.011 <0.011 <0.011 <0.011 NA NA <0.011 NA NA <0.036 E8270 BY SIM Fluoranthene 206-44-0 N u /L 300 <2.2 <0.045 <0.015 <0.015 <0.015 <0.015 NA NA <0.015 NA NA <1.0 U E8270 BY SIM Fluorene 86-73-7 N u /L 300 <2.1 <0.031 <0.012 <0.012 <0.012 <0.012 NA NA <0.012 NA NA <0.035 E8270 BY SIM Indeno 1,2,3-cd rene 193-39-5 N u /L 0.05 <2.9 <0.029 <0.011 <0.011 <0.011 <0.011 NA NA <0.011 NA NA <0.037 E8270 BY SIM Naphthalene 91-20-3 N u /L 6 <2.1 <0.064 <1.0 U <1.0 U <1.0 U <0.015 NA NA <1.0 U NA NA <0.076 E8270 BY SIM Pentachloro henol 87-86-5 N u /L 0.3 <3.8 <0.64 <0.64 <0.64 <0.64 <0.64 NA NA <0.64 NA NA <0.39 E8270 BY SIM Phenanthrene 85-01-8 N u /L 200 <2.0 <0.042 <0.030 <0.030 <0.030 <0.030 NA NA <0.030 NA NA <1.0 U E8270 BY SIM P rene 129-00-0 N u /L 200 <2.2 <0.10 U <0.052 <0.052 <0.052 <0.052 NA NA <0.052 NA NA <1.0 U E8270 1,2,4-Trichlorobenzene 120-82-1 N u /L 70 <1.7 <1.7 <1.4 <1.4 <1.6 <1.6 NA NA <1.7 NA NA <1.7 E8270 1,2-Dichlorobenzene 95-50-1 N u /L 20 <1.8 <1.8 <1.5 <1.5 <1.6 <1.6 NA NA <1.8 NA NA <1.8 E8270 1,3-Dichlorobenzene 541-73-1 N u /L 200 <1.6 <1.6 <1.3 <1.3 <1.5 <1.5 NA NA <1.6 NA NA <1.6 E8270 1,4-Dichlorobenzene 106-46-7 N u /L 6 <1.7 <1.7 <1.4 <1.4 <1.5 <1.5 NA NA <1.7 NA NA <1.7 E8270 2,4,5-Trichloro henol 95-95-4 N u /L 63 <1.4 <1.4 <1.2 <1.2 <1.3 <1.3 NA NA <1.4 NA NA <1.4 E8270 2,4,6-Trichloro henol 88-06-2 N uqjL 4 <1.6 <1.6 <1.3 <1.3 <1.4 <1.4 NA NA <1.6 NA NA <1.6 E8270 2,4-Dichloro henol 120-83-2 N u /L 0.98 <1.4 <1.4 <1.2 <1.2 <1.3 <1.3 NA NA <1.4 NA NA <1.4 E8270 2,4-Dimeth henol 105-67-9 N u /L 100 <1.7 <1.7 <1.4 <1.4 <1.5 <1.5 NA NA <1.7 NA NA <1.7 E8270 2,4-Dinitro henol 51-28-5 N u /L NS <26.0 UJ <26.0 <21.7 <21.7 <23.6 <23.6 NA NA <26.0 NA NA <26.0 E8270 2,4-Dinitrotoluene 121-14-2 N u /L 0.05 <1.6 <1.6 <1.4 <1.4 <1.5 <1.5 NA NA <1.6 NA NA <1.6 E8270 2,6-Dinitrotoluene 606-20-2 N u /L 0.05 <1.7 <1.7 <1.4 <1.4 <1.6 <1.6 NA NA <1.7 NA NA <1.7 E8270 2-Chlorona hthalene 91-58-7 N u /L NS <1.7 <1.7 <1.4 <1.4 <1.6 <1.6 NA NA <1.7 NA NA <1.7 E8270 2-Chloro henol 95-57-8 N u /L 0.4 <1.2 <1.2 <1.0 <1.0 <1.1 <1.1 NA NA <1.2 NA NA <1.2 E8270 2-Meth I henol 95-48-7 N u /L 400 <1.9 <1.9 <1.6 <1.6 <1.7 <1.7 NA NA <1.9 NA NA <1.9 E8270 2-Nitroaniline 88-74-4 N u /L NS <3.0 <3.0 <2.5 <2.5 <2.7 <2.7 NA NA <3.0 NA NA <3.0 E8270 2-Nitro phenol 88-75-5 N u /L NS <1.4 <1.4 <1.2 <1.2 <1.3 <1.3 NA NA <1.4 NA NA <1.4 E8270 3&4-Meth I henol m& Cresol MEPH3MEPH4 N u /L NS <1.2 <1.2 <1.0 <1.0 <1.1 <1.1 NA NA <1.2 NA NA <1.2 E8270 3,3'-Dichlorobenzidine 91-94-1 N u /L NS <8.1 <8.1 <6.8 <6.8 <7.4 <7.4 NA NA <8.1 NA NA <8.1 E8270 3-Nitroaniline 99-09-2 N u /L NS <3.8 <3.8 <3.1 <3.1 <3.4 <3.4 NA NA <3.8 NA NA <3.8 E8270 4,6-Dinitro-2-meth henol 534-52-1 N u /L NS <3.4 <3.4 <2.8 <2.8 <3.1 <3.1 NA NA <7.8 NA NA <7.8 E8270 4-Bromo hen phenyl ether 101-55-3 N u /L NS <1.8 <1.8 <1.5 <1.5 <1.6 <1.6 NA NA <1.8 NA NA <1.8 E8270 4-Chloro-3-meth I henol 59-50-7 N u /L NS <3.3 <3.3 <2.8 <2.8 <3.0 <3.0 NA NA <3.3 NA NA <3.3 E8270 4-Chloroaniline 106-47-8 N u /L NS <3.6 <3.6 <3.0 <3.0 <3.3 <3.3 NA NA <3.6 NA NA <3.6 E8270 4-Chloro hen I phenyl ether 7005-72-3 N u /L NS <2.0 <2.0 <1.7 <1.7 <1.8 <1.8 NA NA <2.0 NA NA <2.0 E8270 4-Nitroaniline 100-01-6 N u /L NS <5.1 <5.1 <4.2 <4.2 <4.6 <4.6 NA NA <5.1 NA NA <5.1 E8270 4-Nitro phenol 100-02-7 N u /L NS <6.6 <6.6 <5.5 <5.5 <6.0 <6.0 NA NA <6.6 NA NA <6.6 E8270 Aniline 62-53-3 N u /L NS <1.6 <1.6 <1.4 <1.4 <1.5 <1.5 NA NA <1.6 NA NA <1.6 E8270 Benzoic Acid 65-85-0 N u /L 30000 <3.4 UJ <3.4 <2.8 <2.8 UJ <3.1 <3.1 NA NA <22.0 NA NA <22.0 E8270 Benzyl alcohol 100-51-6 N u /L 700 <2.9 <2.9 <2.4 <2.4 <2.6 <2.6 NA NA <2.9 NA NA <2.9 E8270 Bis 2-chloroethox methane 111-91-1 N u /L NS <1.8 <1.8 <1.5 <1.5 <1.7 <1.7 NA NA <1.8 NA NA <1.8 E8270 Bis 2-chloroeth I ether 111-44-4 N u /L 0.03 <1.9 <1.9 <1.6 <1.6 <1.7 <1.7 NA NA <1.9 NA NA <1.9 E8270 Bis 2-chloroiso ro I ether 108-60-1 N u /L NS <1.2 <1.2 <0.96 <0.96 <1.0 <1.0 NA NA <1.2 NA NA <1.2 E8270 Bis 2-eth Ihex hthalate 117-81-7 N u /L 3 <3.7 <3.7 <3.1 <3.1 <3.4 <3.4 NA NA <3.7 NA NA <3.7 E8270 Butyl benzphthalate 85-68-7 N u /L 1000 <3.1 <3.1 <2.6 <2.6 <2.9 <2.9 NA NA <3.1 NA NA <3.1 E8270 Dibenzofuran 132-64-9 N u /L NS 28 <2.1 <2.1 <1.8 <1.8 <1.9 <1.9 NA NA <2.1 NA NA <2.1 3 of 4 Table 3 Summary of Clean Infiltration Water Analytical Data Duke Energy Belews Creek Stream Station Belews Creek, NC t:t SW-112921 SW-122021 SW-011922 SW-022522 SW-0314221 SW-041422 SW-051122 SW-0614221 SW-071422SW-081722 Method Analyte CAS# Fraction Units NC 2L IMAC BTVw BTV(deep) BTV E8270 Di Met h hthalate 84-66-2 N u /L 6000 <2.0 <2.0 <1.1 <1.7 <1.9 <1.9 NA NA <2.0 NA NA <2.0 E8270 Dir I phthalate 131-11-3 N u /L NS <2.1 <2.1 <1.8 <1.8 <1.9 <1.9 NA NA <2.1 NA NA <2.1 E8270 Di-n-butyl phthalate 84-74-2 N u /L 700 <2.2 <2.2 <1.8 <1.8 <2.0 <2.0 NA NA <2.2 NA NA <2.2 E8270 Di-n-octyl phthalate 117-84-0 N u /L 100 <3.9 <3.9 <3.3 <3.3 <3.6 <3.6 NA NA <3.9 NA NA <3.9 E8270 Hexachlorobenzene 118-74-1 N u /L 0.02 <2.2 <2.2 <1.8 <1.8 <2.0 <2.0 NA NA <2.2 NA NA <2.2 E8270 Hexachlorobutadiene 87-68-3 N u /L 0.4 <1.8 <1.8 <1.5 <1.5 <1.6 <1.6 NA NA <1.8 NA NA <1.8 E8270 Hexachloroc clo entadiene 77-47-4 N u /L NS <1.6 <1.6 <1.3 <1.3 <1.4 <1.4 NA NA <1.6 NA NA <1.6 E8270 Hexachloroethane 67-72-1 N u /L NS <1.4 <1.4 <1.2 <1.2 <1.3 <1.3 NA NA <1.4 NA NA <1.4 E8270 Iso horone 78-59-1 N u /L 40 <1.7 <1.7 <1.4 <1.4 <1.5 <1.5 NA NA <1.7 NA NA <1.7 E8270 Nitrobenzene 98-95-3 N u /L NS <1.9 <1.9 <1.6 <1.6 <1.7 <1.7 NA NA <1.9 NA NA <1.9 E8270 N-Meth I-N-nitrosometh famine 62-75-9 N u /L NS <1.9 <1.9 <1.6 <1.6 <1.7 <1.7 NA NA <1.9 NA NA <1.9 E8270 N-Nitrosodi-n- ro lamine 621-64-7 N u /L NS <1.3 <1.3 <1.1 <1.1 <1.2 <1.2 NA NA <1.3 NA NA <1.3 E8270 N-Nitrosodi hen lamine 86-30-6 N u /L NS <3.0 <3.0 <2.5 <2.5 <2.7 <2.7 NA NA <3.0 NA NA <3.0 E8270 Phenol 108-95-2 N u /L 30 <1.4 <1.4 <1.1 <1.1 <1.2 <1.2 NA NA <1.4 NA NA <1.4 Notes: INC 2L-Title 15A North Carolina Administrative Code 2L Groundwater Standard April 2013 IMAC-Interim Maximum Allowable Concentrations ng/L-nanogram per liter pg/L-micrograms per liter mg/L-milligrams per liter CFU/mL-Colony Forming Unit per mililiter NS-No Standard NA-compound not analyzed J-Estimated concentration above adjusted method detection limit and below adjusted reporting limit for Method 8260. UJ-the analyte was not detected;however,the reporting limit is approximate and may be inaccurate or imprecise 4of4 Table 4 Groundwater Analytical Results - Monitoring, Extraction, and Infiltration Wells Duke Energy Belews Creek Stream Station Belews Creek, NC "BTV allow 123 50 1600 40 46 1 1 0.3 1 11 0.6 2 0.5 1 0.2 3 4 0.2 19 2 NS 93 eep 16 50 226 57 73 1 1 0.1 0.08 3 2 95 2 0.5 0.1 2 0.6 0.2 19 8 NS 134 drock 11 50 341 64 99 1 2 0.2 0.08 11 0.8 30 6 0.5 0.1 2 0.4 0.2 3 15 NS 181 15A NCAC 2L Standard 700 700 300 50 2000 1 10 4 2 10 1 NS NS 20 2 7 NS 1 1 1 250 1 250 6.5-8.5 500 Shallow Wells 4/21/2021 232 916 283 55 228 <0.20 0.68 J 5.1 0.24 0.56 J 2.3 23.6 0.13 J 0.20 J 0.24 J 0.45 J 0.062 <0.12 95.7 <0.50 4.8 J 250 GWA-11 S 2/23/2022 209 943 191 42.9 250 <0.20 0.32 J 3.9 0.25 2.3 1.8 19.3 <0.13 <0.072 0.22 J <0.25 <0.012 <0.12 6/7/2022 226 885 477 55.5 286 <0.20 0.46 J 4.6 0.32 45.5 2.0 20.9 0.92 J <0.072 0.24 J 0.38 J 0.21 -- 84.5 J- <0.50 -- 262 GWA-21 S 4/21/2021 232 463 <41.5 162 182 <0.20 2.2 6.1 0.35 <0.50 14.6 16.8 <0.13 1.3 J 0.20 J <0.25 0.083 <0.12 93.7 1.0 4.8 J 157 8/20/2020 157 164 <50.0 65.6 65.5 <0.50 <0.10 3.5 0.096 <0.50 3.1 14.9 <0.50 <0.50 0.23 <0.30 <0.025 <0.20 45.9 <1.0 5.1 J 103 PMW-04S 4/21/2021 199 226 <41.5 UJ 34.1 102 <0.20 0.10 J 4.6 0.15 J 0.60 J 0.58 J 13.1 <0.13 0.091 J 0.29 J <0.25 0.057 <0.12 60.5 <0.50 4.8 J 114 4/21/2021 194 216 172 J 35.0 98.6 <0.20 0.21 J 4.5 0.16 J 0.62 J 0.65 J 13.5 <0.13 0.076 J 0.29 J 0.34 J 0.045 <0.12 60.8 <0.50 4.8 J 91 8/20/2020 23.0 <50.0 207 316 33.8 <0.50 0.62 <0.10 <0.080 0.55 5.5 15.2 <0.50 <0.50 <0.10 0.35 <0.025 UJ <0.20 19.8 <1.0 6.7 J 85 PMW-05S 4/20/2021 99.4 70 18000 785 91.5 <0.20 29.7 1.7 0.16 J 22.2 15.9 82 0.87 J 0.37 J 0.68 23.3 0.032 <0.12 46.6 <0.50 5.3 J 132 6/8/2022 18.2 <12.4 1320 122 25.2 0.26 J 1.1 0.16 <0.060 78.7 3 5.9 2.8 <0.072 0.092 J 0.77 J 0.14 -- 7.8 <0.50 -- 44.0 10/21/2021 28.3 <32.4 1270 358 452 <0.20 1.3 0.24 0.70 1.2 17.8 24.8 0.16 J 0.077 J 0.11 J 0.35 J <0.012 <0.12 136 J- 1.0 J+ 6.1 J 359 PMW-07s 2/22/2022 11.0 <32.4 83.0 48 468 <0.20 0.54 J 0.51 0.22 <0.50 6.4 22.9 <0.13 <0.072 0.070 J <0.25 <0.012 <0.12 6/8/2022 1 16.9 1 14.3 J 1 468 1 200 1 516 1 <0.20 0.63 J 1 0.35 1 0.23 1 11.1 1 7.2 1 24.7 1 0.26 J I <0.072 0.073 J 0.34 J 0.073 -- 1 134 1 1.8 1 -- 502 10/22/2021 181 1 245 1 390 411 1 685 1 <0.20 0.19 J 1 0.63 1 0.56 1 1.6 1 10.7 1 18.6 1 <0.13 <0.072 0.057 J 0.74 J <0.012 <0.12 1 107 1 1.1 1 5.9 J 537 PMW-10s 2/22/2022 436 1340 300 1 238 628 <0.20 0.15 J 2.8 0.70 3.3 5.6 7.1 0.19 J <0.072 0.14 J 0.46 J <0.012 <0.12 211 0.66 J 5.2 J 584 6/9/2022 449 1510 521 1 153 653 0.60 J 0.23 J 2.8 0.56 19.4 3 6.6 0.44 J <0.072 0.13 J 0.48 J 0.027 200 0.70 J 566 Deep Wells 4/21/2021 16.6 562 373 146 492 0.48 J 0.60 J 0.63 <0.060 3.4 2.5 107 0.67 J <0.072 <0.050 <0.25 0.15 <0.12 218 7.8 6.1 J 468 11/16/2021 8.6 157 227 71.3 278 0.20 J 0.51 J 0.22 <0.060 5.0 J+ 0.58 J 58.6 < 1.0 U <0.072 <0.050 0.28 J <0.90 U <0.12 113 6.6 6.4 J 320 GWA-11 D 11/22/2021 8.5 159 228 78.3 294 0.26 J 0.57 J 0.18 <0.060 5.1 J+ 0.58 J 61.5 1.0 J+ <0.072 <0.050 0.27 J <0.85 U <0.12 115 6.3 6.4 J 329 2/21/2022 10.1 173 298 91.4 275 0.34 J 0.33 J 0.24 <0.060 4.6 0.69 J 71.8 0.81 J <0.072 <0.050 0.37 J 0.32 <0.12 112 4.9 6.4 J 365 6/7/2022 7.3 J 164 198 75.6 275 <0.20 0.28 J 0.36 <0.060 4.9 J- 0.66 J 88.3 0.36 J <0.072 <0.050 <0.25 0.45 -- 111 4.6 -- 391 4/22/2021 74.2 8180 44.6 J 1850 651 <2.0 5.5 J 1.2 1.6 J <5.0 3.4 J 53.8 < 1.3 <0.72 <0.50 3.7 J 0.14 <0.12K30 59.4 5.4 J 720 GWA-20D 11/17/2021 59.8 7470 73.5 1640 544 1.3 3.3 1.5 1.8 6.4 J+ 1.7 42.8 <1.0 U 0.19 J 0.38 J <0.25 <0.16 U 0.18 J 54.6 7.5 J 645 2/22/2022 62.3 7300 46.3 J 1540 571 1.2 2.8 1.5 1.7 0.84 J 1.4 41.7 0.22 J 0.23 J 0.35 J <0.25 0.081 J+ 0.13 J 50.7 5.8 J 852 6/8/2022 61.6 7340 115 1430 502 0.80 J 2.8 1.4 1.4 4.1 0.68 J 39.1 0.16 J 0.22 J 0.42 J <0.25 0.072 -- 54.9 -- 810 4/21/2021 154 1130 <41.5 44.5 532 <0.20 0.29 J 3.3 0.63 1.2 0.54 J 25.1 <0.13 0.091 J 0.24 J <0.25 0.066 <0.12 <0.50 5.4 J 420 GWA-21 D 2/24/2022 64.6 300 <41.5 380 177 <0.20 0.58 J 2.1 0.43 <0.50 17.1 12.2 <0.13 0.093 J 0.18 J <0.25 0.026 0.15 J 0.63 J+ 5.8 J 209 6/7/2022 88.9 327 26.6 J 1700 165 <0.20 0.39 J 2.5 0.42 1.3 J- 93.6 12.3 0.20 J 0.078 J 0.35 J <0.25 <0.012 -- 1.3 -- 196 4/22/2021 103 5860 247 2960 532 <2.0 3.4 J 3.6 1.4 J <5.0 13.2 37.2 < 1.3 <0.72 <0.50 4.2 J 0.073 0.31 17.6 5.1 J 654 GWA-27D 2/21/2022 91.6 5540 765 2460 557 <0.20 7.0 3.3 1.2 1.3 7.7 42.5 0.55 J 0.26 J 0.39 J 0.81 J 0.20 0.26 249 17.1 1 5.3 J 580 6/7/2022 62.8 4920 133 2260 545 <0.20 4.0 3.7 1.2 9.5 5.3 53.2 0.24 J 0.24 J 0.31 J <0.25 0.74 -- 246 16.2 -- 784 8/18/2020 330 4260 648 1850 486 <0.50 2.4 1.5 0.76 0.94 41.1 25.7 <0.50 <0.50 0.47 0.87 <0.025 <0.20 226 3.7 5.3 J 528 PMW-01 D 4/22/2021 490 5250 17600 2050 581 <2.0 53.7 4.5 1.2 J 22.3 45 72.7 < 1.3 <0.72 1.0 J 26.3 0.034 0.13 J 297 2.5 5.1 J 692 2/22/2022 458 4890 48.4 J 1980 620 <0.20 0.48 J 2 1.1 <0.50 27.4 17.5 <0.13 0.075 J 0.57 <0.25 0.064 J+ 0.16 J 6/7/2022 453 4640 268 2030 542 0.22 J 0.84 J 1 2.3 1.1 6.9 J- 46.1 19.2 0.17 J 0.089 J 0.55 <0.25 0.20 -- 226 1.9 -- 1250 8/20/2020 278 2280 69.2 1770 388 <0.50 2.2 2.2 0.67 1.4 37.1 18.6 <0.50 0.58 0.56 <0.30 0.8 <0.20 224 3.3 J+ 5.0 J 444 PMW-02D 4/22/2021 205 2650 2490 1450 519 <1.0 5.8 0.88 3.9 12.7 133 34.8 2.9 J 0.68 J 0.51 J 4.9 J 0.31 <0.12 250 3.0 5.7 J 522 6/6/2022 245 2810 1510 1760 551 <0.20 2.6 1.2 2.4 48 50.8 26.4 1.3 0.55 J 0.48 0.60 J 0.047 -- 207 2.3 -- 614 8/20/2020 196 1210 108 1410 224 <0.50 2.3 2.9 0.47 <0.50 23.8 14.3 <0.50 <0.50 0.47 <0.30 <0.025 <0.20 156 1.9 5.6 J 312 PMW-03D 4/22/2021 232 2460 1 225 1890 382 <1.0 2.2 J 6.4 1.1 <2.5 40.6 21.0 <0.63 <0.36 0.57 J 1.3 J 0.050 0.17 J 220 1.3 4.8 J 500 6/7/2022 168 1730 2510 2350 344 0.24 J 12.5 3.9 0.82 11.1 45.3 12.3 0.34 J 0.11 J 0.54 <0.25 <0.012 -- 170 0.87 J -- 484 8/18/2020 53.5 <50.0 <50.0 286 375 <0.50 0.30 0.75 0.27 <0.50 6.4 14.5 <0.50 <0.50 0.20 <0.30 <0.025 <0.20 112 1.8 5.5 J 271 4/21/2021 63.8 223 242 33.1 466 <0.20 0.47 J 2.1 0.39 1.3 0.90 J 16.6 <0.13 0.10 J 0.22 J 0.43 J 0.053 J- <0.12 157 J- 1.1 5.4 J 402 PMW-04D 11/16/2021 67.5 227 67 773.8 455 0.27 J 0.80 J 2.3 0.47 1.5 J+ 1.6 12.1 0.18 J <0.072 0.23 J 0.81 J <0.012 <0.12 135 0.84 J 6.6 J 316 2/24/2022 63.1 221 889 45.6 345 0.38 J 1.1 2.1 0.37 1.5 0.99 J 13.0 0.16 J <0.072 0.24 J 1.1 0.018 J <0.12 99.9 0.65 J 5.9 J 257 6/6/2022 53.1 414 273 20.7 499 <0.20 0.22 J 1.6 0.38 3.9 0.71 J 16.8 <0.13 <0.072 0.20 J <0.25 0.024 J 121 0.88 J 376 1 of 4 Table 4 Groundwater Analytical Results - Monitoring, Extraction, and Infiltration Wells Duke Energy Belews Creek Stream Station Belews Creek, NC "BTV allow 123 50 1600 40 46 1 1 0.3 1 11 0.6 2 0.5 1 0.2 3 4 0.2 19 2 NS 93 eep 16 50 226 57 73 1 1 0.1 0.08 3 2 95 2 0.5 0.1 2 0.6 0.2 19 8 NS 134 drock 11 50 341 64 99 1 2 0.2 0.08 11 0.8 30 6 0.5 0.1 2 0.4 0.2 3 15 NS 181 15A NCAC 2L Standard 700 700 300 50 2000 1 10 4 2 10 1 NS NS 20 2 7 NS 1 250 250 6.5-8.5 500 8/20/2020 248 4180 135 442 693 <0.50 0.72 2 1 <0.50 7.8 37.9 <0.50 <0.50 0.41 <0.30 <0.025 <0.20 358 1.0 6.2 J 417 PMW-05D 4/20/2021 286 4620 142 330 756 <1.0 <0.43 2.8 1.1 4.4 J 1.2 J 39.6 <0.63 <0.36 0.34 J < 1.2 0.62 <0.12 338 1.8 5.0 J 644 11/15/2021 246 4520 616 266 831 <0.20 1.5 2.1 1 <1.4 U 2.5 39.7 2.2 0.074 J 0.34 J 0.70 J <0.012 <0.12 323 0.88 J 6.3 J 654 6/9/2022 163 3260 724 177 648 0.53 J 0.58 J 1.3 0.67 81.4 3.1 28.9 1.9 0.072 J 0.27 J 0.54 J 3.0 -- 229 0.60 J -- 674 10/21/2021 7.5 <32.4 88.9 11.9 160 <0.20 0.40 J 1.3 0.99 0.75 J 0.30 J 7.4 0.22 J <0.072 0.081 J <0.25 <0.012 <0.12 50.5 J- 0.56 J 5.8 J 150 PMW-06D 2/22/2022 5.6 <32.4 102 5.5 169 <0.20 0.10 J 2.4 0.33 <0.50 0.056 J 2.4 J <0.13 <0.072 <0.050 <0.25 <0.012 <0.12 6/8/2022 12.2 14.7 J 300 7.1 1 322 <0.20 <1.0 U 0.56 0.17 J 0.95 J 0.087 J 16.8 <0.13 <0.072 <0.050 <0.25 0.16 -- 97.7 <0.50 -- 349 10/21/2021 42.4 <32.4 261 276 185 <0.20 4.6 0.080 J 0.55 3.1 11.2 37.5 0.79 J 0.13 J 0.13 J 0.45 J <0.012 <0.12 112 4.8 6.8 J 331 PMW-07D 2/23/2022 36.9 <32.4 695 314 248 <0.20 2.2 0.13 0.069 J 0.67 J 13.9 45.2 0.40 J 0.072 J 0.094 J 0.51 J <0.012 <0.12 133 3.5 6.5 J 333 6/8/2022 28.3 17.8 J 2400 450 316 <0.20 10.6 0.056 J <0.060 0.52 J 13.9 47.8 0.31 J <0.072 0.061 J <0.25 <0.012 -- 157 2.2 -- 625 6/8/2022 29.0 16.9 J 2160 430 308 <0.20 9.4 0.054 J <0.060 <0.50 13.3 45.5 0.28 J <0.072 0.060 J <0.25 <0.012 -- 148 2.6 -- 493 10/22/2021 30.7 1930 230 40.0 518 <0.20 1.0 <0.050 0.36 0.60 J 1.4 121 0.16 J 0.079 J <0.050 0.27 J <0.012 <0.12 197 3.1 4.7 J 482 PMW-08D 2/21/2022 39.5 J+ 1610 1 225 365 463 1 <1.0 <5.0 U <0.25 <0.30 <2.5 13.2 1 103 <0.63 <0.36 <0.25 <1.2 <0.012 <0.12 167 4.5 5.8 J 462 6/8/2022 22.5 899 2840 528 338 <0.20 18.4 J <0.050 <0.060 11.9 J 7.6 106 0.43 J <0.072 <0.050 <0.25 <0.012 UJ -- 111 2.0 -- 456 6/8/2022 19.8 869 3210 471 331 <0.20 25.0 J <0.050 <0.060 8.5 J 5.8 111 0.30 J <0.072 <0.050 <0.25 <0.012 -- 110 2.0 -- 476 10/22/2021 699 5070 252 J 351 705 <0.20 0.34 J 6.6 1.6 1.3 1.6 28.8 0.13 J <0.072 0.5 <0.25 <0.012 <0.12 270 <0.50 4.7 J 562 10/22/2021 697 4990 405 J 349 700 <0.20 0.37 J 6.7 1.6 1.1 1.6 29.2 <0.13 <0.072 0.53 <0.25 <0.012 <0.12 267 <0.50 6.1 J 538 PMW-09D 11/16/2021 730 5360 727 371 752 <0.20 1.4 6.4 0.87 1.9 J+ 1.8 31.8 <1.0 U 0.084 J 0.51 0.76 J <0.012 <0.12 264 <0.50 6.8 J 583 2/21/2022 617 4560 415 289 780 <0.20 0.18 J 4.9 0.78 1.3 0.92 J 25.9 0.27 J <0.072 0.43 J <0.25 <0.012 <0.12 246 <0.50 5.0 J 524 2/21/2022 619 4680 1 118 J 291 790 <1.0 <0.43 5 0.92 J <2.5 0.86 J 26.2 <0.63 <0.36 0.41 J <1.2 <0.012 <0.12 244 <0.50 4.8 J 582 6/8/2022 609 4100 96.9 262 788 <0.20 <1.0 U 5 0.81 0.75 J 0.83 J 26.6 <0.13 <0.072 0.45 J <0.25 0.040 -- 230 <0.50 -- 812 PMW-11 D 2/21/2022 93.5 839 667 241 387 <0.20 <1.0 U 0.28 0.39 <1.0 U 3.6 18.0 J+ <0.13 0.31 J 0.17 J 0.50 J <0.012 <0.12 5/19/2022 80.1 898 2650 157 404 <0.20 2.5 0.89 0.43 2.5 3.9 30.7 < 1.0 U 0.24 0.23 3.3 <0.12 1/4/2022 3.7 J 339 145 62.2 167 <0.20 1.5 0.062 J <0.060 0.92 J 0.58 J 19.8 6.9 <0.072 0.056 J 0.78 J <0.038 U <0.12 83.6 J+ 5.6 J+ 6.8 J 271 PMW-12D 2/21/2022 <3.5 306 406 31.1 153 <0.20 2.6 0.13 <0.060 <0.50 0.36 J 20.5 J+ 2.4 <0.072 <0.050 1.0 <0.025 U <0.12 72.2 5.4 6.9 J 291 5/19/2022 4.2 347 354 71 149 <0.20 2.3 0.15 <0.060 0.63 0.78 21.6 1.7 J+ 0.092 0.052 0.95 <0.012 <0.12 79.3 J+ <5.1 U 6.9 J 277 6/6/2022 2.2 J 357 120 18.1 161 <0.20 1.2 0.087 J <0.060 0.59 J 0.075 J 20.9 1.1 0.090 J <0.050 0.39 J 0.11 -- 77.1 5.0 -- 317 Bedrock Wells 10/6/2020 87.3 2830 222 670 490 0.76 2.3 0.84 0.2 1.2 2 191 1.2 0.54 0.12 <0.30 <0.025 <0.20 263 7.1 499 10/6/2020 194 4550 266 2830 378 <0.50 3.1 4.1 0.94 7.2 7.5 48.8 0.66 1 0.41 <0.30 <0.025 <0.20 266 13.7 539 4/20/2021 49.1 4570 684 123 711 <1.0 1.8 J 0.35 J 0.34 J 98.5 4.7 J 190 2.1 J <0.36 <0.25 <1.2 0.074 <0.12 259 11.8 5.8 J 798 J EX-18 11/12/2021 7.4 510 764 J 116 151 <0.20 3.4 0.16 J <0.060 <0.50 1.2 51.2 7.2 <0.072 <0.050 <0.25 <0.012 <0.12 61.1 J- 8.6 6.8 J 246 11/12/2021 6.9 525 429 J 120 155 <0.20 3.4 0.22 J <0.060 0.60 J 1.2 60.7 7 <0.072 <0.050 <0.25 <0.012 <0.12 61.7 8.8 6.8 J 210 2/22/2022 12 187 898 10.1 73.2 <0.20 4.4 0.12 <0.060 <0.50 1.6 9.5 1.1 0.19 J <0.050 <0.25 <0.025 U <0.12 15.5 6.8 6.6 J 96.0 6/6/2022 10.4 271 44.2 60.0 1 141 <0.20 2.3 0.29 <0.060 <0.50 5.5 48.4 1.5 0.16 J <0.050 <0.25 <0.012 -- 54.5 11.9 -- 218 6/6/2022 10.5 265 33.3 J 58.1 141 <0.20 2.1 0.24 <0.060 <0.50 5 45.2 1.5 0.12 J <0.050 <0.25 <0.012 -- 54.5 12.0 -- 213 10/2/2020 90.2 2920 7490 1160 378 0.61 11.1 2.3 0.42 14.7 8.6 84 0.75 <0.50 0.23 7.4 <0.025 <0.20 226 6.9 519 10/2/2020 99.6 2980 13900 1460 343 4.3 24.9 2.6 0.44 317 17.5 82.1 3.8 <0.50 0.32 13.1 <0.025 <0.20 227 6.7 522 EX-23 4/20/2021 51.1 5780 2120 609 650 <1.0 10.7 2.1 0.60 J 116 2.9 J 133 1.9 J 0.38 J 0.32 J 3.4 J 0.14 <0.12 318 20.1 5.5 J 720 11/12/2021 12.6 1380 172 180 226 <0.20 4.8 0.35 1 0.10 J 0.61 J 2.9 59.4 6.7 0.086 J I <0.050 <0.25 <0.012 <0.12 94.8 11.1 6.7 J 347 2/22/2022 14.9 810 1 50.6 53.1 130 <0.20 1 1.9 0.17 <0.060 0.50 J 1.4 18.5 0.80 J 0.19 J <0.050 <0.25 0.029 J+ <0.12 47 7.2 6.9 J 166 6/6/2022 13.2 633 58.9 51.4 132 <0.20 2.4 0.19 <0.060 0.99 J 0.93 J 26.1 1.2 0.19 J <0.050 0.33 J <0.012 -- 44.7 8.0 -- 185 EX-25 4/20/2021 32 4260 7370 529 660 <1.0 4.4 J <0.25 <0.30 188 22.4 88.9 11.2 <0.36 <0.25 1.7 J 0.018 J <0.12 301 8.2 7.0 J 724 6/6/2022 8.8 J 131 <25.0 34.6 85.4 <0.20 3.7 0.12 0.078 J <0.50 3.2 19.2 1.8 0.15 J 0.059 J 0.28 J 0.013 J -- 22.3 10.2 -- 123 10/1/2020 23.9 3400 2640 223 545 0.64 11.1 1.2 0.24 23.7 5.2 147 1.5 <0.50 0.1 2.4 <0.025 <0.20 306 8.4 654 10/2/2020 100 3190 48800 930 558 13.6 107 5.3 0.6 190 43.3 237 6.2 0.73 0.79 45.5 0.035 0.3 313 8.1 626 EX-30 4/21/2021 28.6 3060 7520 662 470 <1.0 2.4 J 0.69 <0.30 92.2 3.4 J 81.1 6.2 <0.36 <0.25 <1.2 <0.012 <0.12 248 6.8 6.6 J 738 11/15/2021 8.1 1 400 1 <41.5 140 171 0.55 J 6.5 0.38 0.091 J <1.0 U 12.8 50.3 4.9 0.19 J 0.065 J <0.25 <0.012 <0.12 71.5 13.3 7.0 J 227 2/23/2022 8.9 151 <41.5 7.6 57.0 <0.20 7.2 0.088 J <0.060 <0.50 4.8 5.0 1.2 0.23 J <0.050 0.26 J <0.012 <0.12 11.7 8.0 7.3 J 84.0 6/6/2022 10.0 110 <25.0 6.8 76.2 <0.20 3.9 0.20 <0.060 <0.50 2.2 13.1 1.4 0.17 J 0.052 J 0.30 J <0.012 17.5 8.6 97.0 2of4 Table 4 Groundwater Analytical Results - Monitoring, Extraction, and Infiltration Wells Duke Energy Belews Creek Stream Station Belews Creek, NC "BTV allow 123 50 1600 40 46 1 1 0.3 1 11 0.6 2 0.5 1 0.2 3 4 0.2 19 2 NS 93 eep 16 50 226 57 73 1 1 0.1 0.08 3 2 95 2 0.5 0.1 2 0.6 0.2 19 8 NS 134 drock 11 50 341 64 99 1 2 0.2 0.08 11 0.8 30 6 0.5 0.1 2 0.4 0.2 3 15 NS 181 15A NCAC 2L Standard 700 700 300 50 2000 1 10 4 2 10 1 NS NS 20 2 7 NS 1 250 250 6.5-8.5 500 9/30/2020 11.8 74.2 2310 77.8 113 <0.50 3.2 0.67 <0.080 154 4.2 59 3.9 <0.50 <0.10 1.9 0.025 <0.20 50.1 6.5 182 4/21/2021 38.9 1340 1320 359 391 <0.20 0.88 J 0.61 0.083 J 88.5 11.2 69.3 6.3 0.13 J 0.078 J 1.0 0.016 J <0.12 186 3.6 6.8 J 506 EX-32 11/16/2021 8.9 441 42.9 J 121 217 <0.20 0.49 J 4.1 0.24 6.6 J+ 85.6 61.5 0.34 J 0.38 J 0.066 J <0.25 <0.012 0.17 J 56.3 98.4 6.5 J 284 2/23/2022 5.0 J 790 71.1 71.5 232 <0.20 0.49 J 0.77 0.22 95.7 6.5 29.7 0.60 J 0.092 J 0.12 J 0.93 J 0.026 <0.12 112 12.7 6.1 J 348 6/6/2022 6.7 J 422 44.9 155 257 <0.20 0.62 J 6.2 0.26 2.8 67.6 68.6 0.34 J 0.26 J <0.050 <0.25 <0.012 -- 88.0 64.2 -- 367 9/25/2020 66.2 1080 1710 86.3 542 2.1 2.3 1.2 0.38 7.6 1.9 43.2 1.0 <0.50 0.16 2 0.026 <0.20 208 1.7 J+ 421 EX-35 4/21/2021 73.9 2090 4040 861 619 <1.0 7.9 0.35 J <0.30 22.3 14.5 19.8 1.2 J 0.46 J <0.25 <1.2 <0.012 <0.12 237 6.4 6.8 J 616 2/23/2022 39 1000 557 47.4 346 <0.20 0.69 J 1.3 0.22 3.8 20.9 43.7 0.93 J 0.11 J 0.050 J <0.25 0.20 <0.12 119 2.6 5.9 J 352 6/6/2022 45.4 770 35.9 J 33.2 448 <0.20 0.26 J 1.3 0.25 6.5 1.3 34.9 0.20 J 0.072 J 0.14 J <0.25 0.037 -- 135 2.1 -- 434 9/22/2020 233 2180 877 598 424 <0.50 0.80 3.7 0.62 13.9 1.4 21.1 0.59 <0.50 0.45 1.0 <0.025 <0.20 179 <1.0 377 4/22/2021 161 2590 2020 835 617 <1.0 2.0 J 3 0.66 J 170 19 37.1 <0.63 <0.36 0.30 J 3.7 J 0.029 J 0.27 270 1.8 6.4 J 730 J EX-44 4/22/2021 172 2750 1540 881 678 <1.0 1.6 J 3.1 0.70 J 148 19.8 29.9 <0.63 <0.36 0.34 J 2.8 J 0.061 J 0.24 259 2.3 6.0 J 496 J 11/16/2021 28.6 873 <41.5 78.5 204 <0.20 1.1 0.53 0.11 J 3.8 J+ 9.3 21.2 0.76 J 0.10 J 0.085 J <0.25 <0.061 U <0.12 75.3 10 1 6.5 J 214 6/7/2022 29.1 612 103 57.8 106 <0.20 1.3 0.37 0.084 J 8.4 J- 8.1 9.8 0.27 J 0.090 J 0.078 J <0.25 0.17 J -- 42.5 4.9 -- 136 9/24/2020 <5.0 62.9 1980 103 89.7 0.60 2.2 0.32 <0.080 117 2.8 71.9 2.5 <0.50 <0.10 1.6 <0.025 <0.20 22.7 4.8 155 4/22/2021 32.1 2110 7560 565 373 <1.0 10.9 0.62 <0.30 72.5 13.5 83 2.3 J <0.36 <0.25 2.5 J <0.012 <0.12 208 8.1 6.5 J 464 EX-45 11/15/2021 5.4 435 158 J 125 138 0.36 J 5.8 0.39 <0.060 <1.0 U 5.8 52.6 3.6 0.080 J <0.050 <0.25 <0.012 <0.12 61.2 14.6 6.8 J 216 11/15/2021 5.1 482 107 J 130 149 0.41 J 6.2 0.47 0.087 J <1.0 U 5.5 48.4 3.7 0.21 J 0.059 J <0.25 <0.012 <0.12 60.9 14.8 6.6 J 223 2/23/2022 5.7 106 1 49.8 J 26.9 58.5 0.41 J 8.2 0.15 <0.060 <0.50 6.7 16.7 2.2 0.19 J <0.050 <0.25 <0.012 <0.12 14.3 1 11.4 7.0 J 107 6/6/2022 6.0 J 336 1 143 104 134 0.41 J 7.8 0.28 0.097 J <0.50 7.3 51.0 3.9 0.079 J 0.079 J 0.34 J <0.012 -- 50.3 16.9 -- 220 9/23/2020 101 2170 4740 227 763 2.1 8 2 0.69 31.6 4.1 29.6 1.5 <0.50 0.28 5.5 0.046 <0.20 268 1.5 534 9/23/2020 201 2630 12300 690 862 1.0 17.6 7.3 1.3 88.7 12.8 36.7 1.8 <0.50 0.55 14.9 0.070 <0.20 290 <1.0 291 EX-47 4/22/2021 237 3620 1610 266 806 <1.0 <0.43 5.9 1.2 296 23.2 17.0 1.2 J <0.36 0.40 J 1.9 J 0.054 0.12 J 297 0.81 J 5.6 J 546 2/23/2022 56.1 2340 58.8 19.9 670 <0.20 0.11 J 2.9 0.75 12.5 1 18.1 <0.13 <0.072 0.20 J <0.25 0.26 <0.12 209 0.55 J 5.4 J 510 2/23/2022 53.2 2290 <41.5 18.4 642 <0.20 0.11 J 2.9 0.74 11.5 0.99 J 17.8 <0.13 <0.072 0.21 J <0.25 0.25 <0.12 209 0.57 J 5.5 J 616 6/6/2022 40.1 2160 34.6 J 15.1 568 <0.20 0.087 J 1.8 0.53 13.8 0.94 J 17.6 <0.13 <0.072 0.16 J <0.25 0.049 -- 160 J- 0.78 J -- 483 4/22/2021 4.3 J 47.2 J <41.5 <3.4 60.4 0.31 J 5.8 <0.050 <0.060 <0.50 <0.050 197 21.8 <0.072 <0.050 <0.25 0.025 <0.12 39.4 6.6 9.4 J 194 GWA-20BR 11/17/2021 9.2 <32.4 <41.5 12.8 114 0.48 J 16.4 <0.050 <0.060 <1.0 U <0.050 185 8.6 0.14 J <0.050 1.0 <0.012 <0.12 40.3 13.2 7.5 J 199 2/24/2022 45.6 97.3 <41.5 <3.4 263 0.54 J 1.1 <0.050 <0.060 0.84 J <0.050 1 13.1 3.6 0.48 J <0.050 1.7 0.44 <0.12 56.2 58.1 7.8 J 368 6/8/2022 59.2 103 259 27.9 371 1.7 1.7 <0.050 0.084 J 54.2 0.78 J 22.8 9.2 0.45 J 0.056 J 1.8 0.70 -- 78.9 114 -- 564 4/22/2021 33 <32.4 91.6 <3.4 81.6 2 6.5 <0.050 <0.060 2.5 0.062 J 84.2 2.8 0.21 J <0.050 1.1 1.3 <0.12 20.1 11.3 9.9 J 139 GWA-27BR 11/16/2021 7.8 141 96.6 106 112 0.30 J 2.3 0.14 <0.060 <1.0 U 0.50 J 68.2 2.3 <0.072 <0.050 0.73 J <0.012 <0.12 35.3 17.7 6.6 J 204 2/24/2022 4.1 J 43.9 J 1 906 136 92.4 <0.20 5.4 0.15 <0.060 1.3 0.25 J 75.2 1.6 <0.072 <0.050 0.56 J <0.012 <0.12 39.2 8.3 7.6 J 203 6/7/2022 5.2 J 49.1 J 1020 116 103 <0.20 5.0 0.056 J <0.060 1.2 J- 0.43 J 81.8 2.1 <0.072 <0.050 0.28 J <0.012 -- 40.6 10.3 -- 206 9/28/2020 226 4160 5070 886 637 10.4 4.9 2 1 27 5.2 38.4 2.0 <0.50 0.38 5.1 <0.025 <0.20 283 2.4 550 IW-72 9/28/2020 131 3740 196 678 618 <0.50 0.34 2.4 0.63 1 10.8 2.4 37.4 <0.50 <0.50 0.4 <0.30 0.029 <0.20 267 2.3 479 4/21/2021 310 2520 1540 564 547 <1.0 1.9 J 4.3 0.87 J 191 5.4 22.9 0.63 J <0.36 0.48 J 3.2 J 0.084 <0.12 231 1.8 5.1 J 446 8/21/2020 26.7 2410 1750 430 429 2.1 3 0.31 0.14 5.7 1.9 159 2.7 <0.50 <0.10 2.7 <0.025 <0.20 191 J- 11.0 7.0 J 498 8/21/2020 8.7 985 1090 199 218 1.3 8.2 0.33 <0.080 3.0 0.66 121 2.1 <0.50 <0.10 1.2 <0.025 <0.20 96.7 6.7 7.4 J 343 8/21/2020 <5.0 330 1140 127 140 0.57 3.1 0.30 <0.080 2.7 0.28 99.7 1.1 <0.50 <0.10 0.60 <0.025 <0.20 58.3 4.6 7.7 J 246 PMW-02BR 8/25/2020 6.6 950 1570 197 226 <0.50 3 0.18 <0.080 1.4 0.38 108 1.3 <0.50 <0.10 <0.30 <0.025 <0.20 122 11.8 6.8 J 347 4/22/2021 1 339 611 74.8 7.5 3090 9.5 1.6 <0.050 <0.060 3.7 0.056 J 1090 5.5 0.33 J <0.050 3.6 1.0 J <0.12 97.3 28.2 12.0 J 1080 4/22/2021 321 577 63.8 6.9 2900 9.4 1.5 <0.050 <0.060 3.5 <0.050 1050 5.6 0.30 J <0.050 3.5 0.67 J <0.12 98.5 29.2 11.9 J 980 2/24/2022 453 116 <41.5 <3.4 3750 1.1 J 2.9 <0.10 <0.12 <0.99 <0.10 950 2.8 0.20 J <0.10 0.68 J 0.089 <0.12 18.2 46.4 11.9 J 900 6/6/2022 336 61.2 182 4.9 J 2670 2.3 5.1 <0.050 <0.060 1.7 <0.050 498 2.1 0.18 J <0.050 1.5 0.10 -- 10 J+ 27.6 -- 460 8/20/2020 27.8 <50.0 5170 84.8 293 7.5 3.6 0.28 0.1 198 5.2 54.5 21.1 0.51 <0.10 10.4 2.3 <0.20 52.9 7.5 324 8/20/2020 23.5 <50.0 1 2440 42.7 302 3.6 1.9 0.13 <0.080 173 3.7 45.8 29 <0.50 <0.10 7.6 2.1 <0.20 53.6 1 7.2 1 316 8/26/2020 93.7 <50.0 <50.0 <5.0 883 1.6 1.1 <0.10 <0.080 1.1 <0.10 73.4 3.6 <0.50 <0.10 2.8 0.69 <0.20 13.4 10.6 11.3 J 360 J+ PMW-04BR 8/26/2020 92.7 <50.0 <50.0 <5.0 866 1.5 1.1 <0.10 <0.080 0.87 <0.10 72.5 3.5 <0.50 <0.10 2.8 0.7 <0.20 13.5 10.7 11.3 J 330 J+ 4/20/2021 1250 <32.4 78.3 <3.4 5680 0.23 J 0.33 J <0.050 <0.060 5.4 0.11 J 373 4.7 0.39 J <0.050 0.73 J 5.8 <0.12 95.5 1.9 12.6 J 2420 2/23/2022 189 <32.4 <41.5 <3.4 857 3.2 J <0.43 <0.25 <0.30 <2.5 <0.25 42.1 2.4 J <0.36 <0.25 <1.2 0.15 <0.12 132 1.2 12.6 J 2620 6/7/2022 192 <12.4 70.9 1.2 J 801 3 0.24 J <0.050 <0.060 5.3 J- 0.086 J 43.0 4.1 0.26 J <0.050 0.47 J 1.8 -- 132 2.1 -- 1870 3of4 Table 4 Groundwater Analytical Results - Monitoring, Extraction, and Infiltration Wells Duke Energy Belews Creek Stream Station Belews Creek, NC "BTV allow 123 50 1600 40 46 1 1 0.3 1 11 0.6 2 0.5 1 0.2 3 4 0.2 19 2 NS 93 eep 16 50 226 57 73 1 1 0.1 0.08 3 2 95 2 0.5 0.1 2 0.6 0.2 19 8 INS 134 drock 11 50 341 64 99 1 2 0.2 0.08 11 0.8 30 6 0.5 0.1 2 0.4 0.2 3 15 INS 181 15A NCAC 2L Standard 700 700 300 50 2000 1 10 4 2 10 1 INS INS 20 2 7 INS 1 250 250 6.5-8.5 500 8/19/2020 25 <50.0 2470 41.0 226 2.8 1.2 0.27 <0.080 4.8 0.35 142 15.7 <0.50 <0.10 1.5 1.4 <0.20 24.3 4.1 175 8/19/2020 19.1 <50.0 3350 54.5 182 1.2 1.4 0.34 <0.080 59.7 1.8 116 10.2 <0.50 <0.10 2.1 0.21 <0.20 24.5 3.9 165 8/19/2020 19 <50.0 1940 34.6 198 2.1 1.0 0.27 <0.080 10.5 0.51 144 11.5 <0.50 <0.10 1.6 0.25 <0.20 24.9 4.1 165 PMW-05BR 8/19/2020 <5.0 <50.0 884 33.3 76.4 <0.50 0.45 0.35 <0.080 6.1 0.20 66.1 1.2 <0.50 <0.10 <0.30 <0.025 <0.20 26 3.7 139 8/26/2020 39 <50.0 5140 124 294 <0.50 3.2 1.5 <0.080 3.3 2.4 72.7 6.0 0.73 0.12 12.8 0.13 <0.20 52.2 97.9 8.1 J 923 4/20/2021 707 116 166 7.6 5340 18.9 1.4 <0.050 <0.060 8.6 0.14 J 850 7.8 0.33 J <0.050 12.3 1.2 <0.12 55.1 82.1 12.1 J 920 6/7/2022 429 29.5 J 296 6.4 10800 3.5 0.59 J <0.050 <0.060 6.5 J- 0.26 J 1180 18 0.42 J <0.050 4.4 4.2 -- 126 636 -- 2600 PMW-06br 2/22/2022 56.6 <32.4 80.3 4.2 J 2060 1.3 3.4 <0.050 <0.060 1.9 0.57 J 59.8 56.7 2.4 <0.050 51 <0.037 U <0.12 6/9/2022 77.5 41.1 J 557 16.5 1940 9.4 5.4 0.071 J <0.060 9.9 0.30 J 34.1 52.3 2.5 <0.050 40.7 0.080 J- -- 127 942 -- 1890 1/6/2022 130 <32.4 188 8.0 1100 5.4 2.7 0.051 J <0.060 2.9 J+ 0.24 J 137 21.6 0.57 J <0.050 30.1 1.5 <0.12 20.6 33.3 11.8 J 394 PMW-07br 2/23/2022 148 <32.4 69.4 J <3.4 1560 2.8 3.2 <0.050 <0.060 3.2 0.27 J 52.9 26.1 1.4 J <0.050 37.3 0.9 <0.12 23.6 110 11.8 J 690 2/23/2022 141 <32.4 308 J 3.4 J 1490 2.9 3.1 <0.050 <0.060 2.9 0.25 J 54.1 25.5 1.5 J <0.050 35.9 0.89 <0.12 23.3 104 11.8 J 678 6/8/2022 114 <12.4 1 114 2.4 J 1060 7.1 2.3 <0.050 <0.060 1 9.9 0.21 J 137 22.8 0.59 J <0.050 32.3 0.52 -- 31.2 49.8 -- 422 1/4/2022 41.1 437 185 14.6 498 2.5 18.3 0.096 J <0.060 2.6 0.58 J 101 14.2 0.28 J <0.050 1.3 0.26 J+ <0.12 UJ 109 31.0 J+ 7.4 J 369 PMW-08br 2/21/2022 25.8 J+ 289 121 20.0 364 1.6 J 22.2 <0.25 <0.30 <2.5 0.37 J 52.9 8.7 <0.36 <0.25 <1.2 <0.012 <0.12 57.7 28.9 7.3 J 267 6/8/2022 17.1 137 59.1 17.1 266 0.47 J 16.9 <0.050 <0.060 1.1 0.16 J 48.5 3.8 <0.072 <0.050 0.34 J 0.016 J -- 25.6 21.0 -- 187 1/6/2022 93.4 819 <41.5 <3.4 754 1.5 0.99 J <0.050 <0.060 <1.0 U <0.050 129 4.0 0.11 J <0.050 1.6 0.30 J+ <0.12 236 17.8 6.6 J 546 PMW-09br 2/21/2022 82.3 868 <41.5 <3.4 730 1.9 1.5 <0.050 <0.060 <1.0 U <0.050 1 92.9 4.6 0.15 J <0.050 1.6 <0.084 U <0.12 200 53.2 8.2 J 566 6/8/2022 46.7 686 34.9 J 5.3 497 1.6 3.0 <0.050 <0.060 0.96 J 0.057 J 65.8 5.1 0.17 J <0.050 1.1 0.024 J -- 122 64.0 -- 522 1/4/2022 66.7 804 <41.5 40.0 709 0.33 J 0.71 J <0.050 <0.060 1.7 0.28 J 75.1 1.4 0.30 J 0.061 J 0.51 J 2 <0.12 159 9.8 J+ 7.2 J 414 1/4/2022 64.7 781 <41.5 38.9 686 0.37 J 0.76 J <0.050 <0.060 1.9 0.29 J 73.9 1.4 0.30 J 0.068 J 0.50 J 2 <0.12 157 9.8 J+ 7.2 J 403 PMW-11 br 5/19/2022 39.6 616 97.8 66.9 544 0.81 1.2 <0.050 <0.060 1.7 0.34 30.7 2.9 J+ 0.13 <0.050 0.45 <0.012 <0.12 122 J+ <16 U 7.4 J 441 5/19/2022 40.5 608 100 67.8 551 0.76 1.2 <0.050 <0.060 1.6 0.35 30.9 3.0 J+ 0.15 <0.050 0.45 <0.012 <0.12 124 J+ <16 U 7.4 J 420 6/6/2022 31 525 437 208 547 <0.20 3.6 <0.050 <0.060 2.4 0.42 J 1 11.5 3.7 0.14 J <0.050 <0.25 <0.012 -- 112 49.3 -- 464 2/22/2022 19.8 37.1 J 531 9.0 372 0.47 J 2.2 0.11 <0.060 1.1 0.32 J 5.1 1 12.3 0.23 J <0.050 7.9 <0.012 <0.12 27.3 279 8.0 J 712 PMW-12br 5/19/2022 20.6 43.8 312 15.8 405 0.63 2.6 1 <0.050 <0.060 1.1 0.15 6.2 13.7 J+ 0.077 <0.050 3.3 <0.012 <0.12 28.1 J+ 214 J+ 8.1 J 577 6/6/2022 29.1 38.5 J 1520 40.0 494 0.64 J 2.8 0.16 <0.060 1.1 0.28 J 5.2 15.5 0.13 J <0.050 3.3 <0.012 -- 27.6 225 -- 602 1/4/2022 35 238 <41.5 63.5 831 2.2 1.7 <0.050 <0.060 1.6 0.080 J 34.9 2.9 0.16 J <0.050 1.3 0.71 <0.12 69.7 J+ 28.1 J+ 7.5 J 335 PMW-13br 2/21/2022 33.5 J+ 157 <41.5 89.2 823 0.63 J 3.1 <0.050 <0.060 <0.50 0.15 J 18.7 J+ 5.2 0.15 J <0.050 0.86 J <0.012 <0.12 57.7 49.6 7.7 J 343 5/19/2022 35.8 104 506 363 792 <0.20 11.3 <0.050 <0.060 1.4 0.47 21.6 14.0 J+ <0.072 <0.050 <0.25 <0.012 <0.12 76.4 J+ 377 7.7 J 980 6/6/2022 32.6 114 545 356 758 <0.20 11.7 <0.050 <0.060 1.4 0.44 J 26.0 13 <0.072 <0.050 <0.25 <0.012 -- 76.2 373 -- 910 Notes: 15A NCAC 2L Standard-Title 15A North Carolina Administrative Code 2L Groundwater Standard April 1,2022 BTV-Background threshold value Shaded-compound concentration exceeds corresponding standard(BTV for each aquifer zone or 2L)=== > 1600 BTV Shallow OBTV Deep 64 BTV Bedrock 2000 NCAC 2L <-Analyte not detected above the laboratory reporting limit pg/L-micrograms per liter mg/L-milligrams per liter INS-No Standard J-Estimated concentration above adjusted method detection limit and below adjusted reporting limit for Method 8260. UJ-the analyte was not detected;however,the reporting limit is approximate and may be inaccurate or imprecise ---compound not analyzed TDS-total dissolved solids 4of4 2022 Annual Infiltration Report 60639236 Figures AECOM 600 o � �goo" a ASH BASIN GEOGRAPHIC LIMITATION LINED RETENTION BASIN �L • ASH BASIN/ {� ST Zo ��l PARCEL LINE U � J COAL PILE 0 l 80L �oZ you r1l l BELEWS CREEK STEAM STATION ro CC • � t�/f� Ill `,I� \I b ��7 j n PINE HALL �OJ ROAD LANDFILL` C (CLOSED) STRUCTURAL FILL (CLOSED) FGD LANDFILL CRAIG ROAD LANDFILL L �r QLt M T fI O 60 1 NOTES: �U°J) 1.2016 USGS TOPOGRAPHIC MAP,BELEWS LAKE QUADRANGLE, OBTAINED FROM THE USGS STORE AT https://sWm.usgs.go,/,aPlocat., WERE LOCATIONS O FALLBOUNDARIES,REION AN ION AND MONITORINGDOCUMENTEDINTDWETLANDS WERE PROVIDED ACTION PI-AN URA CORPORATIONAND ORIGINALLY DOCUMENTED N THE CORRECTIVE ACTION PLAN UPDATE(DEASH AS N B AND THE DEMONSTRATION OF 02L MEMORANDUM FOR (MARCH 2O20)AND SHEOULD BE CONSIDERED PPROEMBER XIMATE.TECHNICAL STOKES FIGURE 1DUKE 3 TE LOCATION ENERGY. couNry BELEWS CIREEK STEAM STATION CAROIINAS WINSTON-SALEM PILOT STUDY WORK PLAN - BELEWS CREEK, NORTH CAROLINA E(i� ASHEVILLE DRAWN BY:T.EISCHEN DATE:05/05/2020 GRAPHIC SCALE ` CHARLOTTE REVISED BY: DATE: 1,000 0 1,000 2,000 CHECKED BY: DATE: C APPROVED BY: DATE: (IN FEET) PROJECT MANAGER: LEGEND " Duke EergyCreek Plant Site nas Boundary ews Ash Basin Waste Boundary PROJECT —————— / Ash Basin Geographic Limitation BELEWS CREEK STEAM _----_ Unnamed Unpaved Roads Wetland(AMECNRTR) STATION ANNUAL IN- FILTRATION REPORT I o �\ l BELEWS CREEK STEAM STATION BC-150 WET WELL SOURCE NOTES \ 3195 Pine Hall Road DISCHARGE LINE 1. The aerial photograph was taken from Google Earth, TO NPDES PERMITTED Belews Creek,North Carolina 27009 ¢ \\ OUTFALL 11006 1 dated cations f al I � 2. The locations of all boundaries,remediation and monitoring wells,and wetlands were provided by \\ \ and originally ntema Corporation inall S y P y documented in PREPARED FOR .. the Corrective Action Plan Update(December 2019) � \ and the Demonstration of 02L Compliance for the Belews Creek Ash Basin by December 31,2019 Technical Memorandum(March 2020)and should ��DUKE I be considered approximate. ENERGY, ` LN Y y n DUKE ENERGY(OWNER) 3195 Pine Hall Road Belews Creek,North Carolina 27009 BC-1 so I WET WELL L— PREPARED BY _ t / DAM AECOM 5438 Wade Park Blvd,Suite 200 m h- EVOQUA WATER TECHNOLOGIES ` Raleigh,North Carolina 27607 / GROUNDWATER TREATMENT SYSTEM i / �\ / .�• F 919.461.1100 tel 919.461.1415 fax 2 PILOTSTUDYAREA www.aecom.com a ASH BASIN/ I / / _ � REGISTRATION LINED ❑ RETENTIO d I BASIN / I Ito / U Y I of r . UI \ �� W ISSUE/REVISION w oZ BELEWS LAKE ¢ _ Qr FgA.j co of Oq0 O 1 12020-05-071 ISSUE FOR DRAFT o / I' 0 2020-05-06 FOR INTERNAL REVIEW I I/RI DATE I DESRIPTION w � 1 - w / 'I w w of DATE 2020-05-07 0 / a6 m z / PROJECT NUMBER n / COAL PILE 60629990 D 90 / y Lo / \ / \ SHEET TITLE H // �� // /��- EXISTING 8"DIP -O i w / FIRE MAIN FIGURE 2 0 0 — -- / • — GENERAL SITE MAP w of - PINE HALL / / BELEWS CREEK Z m / STRUCTURAL FILL m ROAD LANDFILL STEAM STATION K N (CLOSED) / / (CLOSED) �,� /•: / 400 0 400 Boo SHEET NUMBER w m / /. m� / / SCALE IN FEET: 1"=400' .,F ter` ,•T � \ � ' ,• �: ; '1• •: -ti ���' ��; •�- •� � _ � 'l . �. -�` /.�<<��'•� �•)r���-� G' �I►" y► - �@ 'aa: _` arj. .�. -?s ' . 4. • �'��. ° �� , � LEGEND QWA-30DGDGWA-30 �c 0m "a Duke Energy Carolinas Belews Creek Plant Site Boundary PROJECT CCR 13S` ` e BELEWS CREEK STEAM CCR-13BR� a ■ Existing Extraction Well VA 1M1� �•• ' �� CCR-13D � �• � s �'',` STATION ANNUAL • Pilot Test Extraction Well INFILTRATION REPORT A Pilot Transition Zone i .�7F �• ' M BELEWS CREEK STEAM STATION Monitoring Well • a \\ • 4 ` �` - , R — 3195 Pine Hall Road a ;` \ ��\ .� .a`I, y,• • '� - 4�, •� • Effectiveness Monitoring Well Belews Creek,North Carolina 27009 YI" . .. s P...N • f ` 1 �" '�� j • Pilot Saprolite Monitoring Well . ` Pilot Transition Zone � � �, � .•� • ��•• '►' 1 �y r PREPARED FOR •N/+ • Monitoring Well t4 .� • r` I, -, •+ ,R , }' ; R+ • Pilot Bedrock Monitoring Well DUKE ~�4 Geographic Limitation ENERGY® ��► •• � •� •• � ��� - DUKE ENERGY(OWNER) 3195 Pine Hall Road o '. �� �_ y • Belews Creek,North Carolina 27009 PMW-07BR PM_W_-07S , '- N•' P_MW-07D GWA-21D , A-11W PREPARED BY E ^�'— 1 GWA-21 GWA-11S s AECOM EX-47• �• • i 5438 Wade Park Boulevard,Suite 200 e ¢ _ Raleigh,NC 27607 ' •' '2 __ �• • — 9www.aecomcom 919.46L1415fax a PMW-04s EX-37 EX-46 IW_72 ♦a i `. :.,.<. . �'• w IW-71 • PMW-04d PMW-04br EX 40 EX 43 IW-70 ! �� PMW-06BR REGISTRATION PMW-06DT EX-35 EX-41 IW-68 ,%�EXOB EX-4 y IW-67 d . s EX-3EX-3 PMW-01d / ❑EX-01 a , � � EX_3 IW-63 - A I ~ EX-34 IW 5 W-62 i 1 - Pli S EX 2 IW-45 IW-59 X ®® •� a a Pli 5d PMW-05br p1W-54 O ¢ EX-2 W-5 EX-4 5 P_MW-02br' 0 X o WA-31S EX-2 IW_4 �X-3 •� GWA-20SA / ❑EX-02 L A-31 IW-44 PMW-02d , ,-20Q GWA 20S -- GWA o EX-2 � ' /ice GWA 20BR" w EX-23 IW-35 • ( EX-03 31 EX-21 X-29 ~' ► N IW 31 PM EX-1 IW-30 c �.' `` EX-04 i, co PMW-09D -28 GWA-276 o MW-09BR`;`,. GWA-27S •' � � c ISSUE/REVISION —r� ► GWA-27D -� /i SOURCE NOTES o \ ' EXOB-2 1. The locations of all boundaries and monitoring wells h \\ • • were provided by Synterra Corporation and originally zl \\ , p / EX- documented in the Corrective Action Plan Update Y y \ PMW-10S. �ylf. �l • (December2019). w ' •i : ,• �.• ti 2. The locations of all remedialion wells were provided �,'•+. '�: ,,• •• / / by Synlema Corporation and should be considered al ��` l I' • EX-07 approximate. •, __ •• - ` l 3. The locations of streams and wetlands were originally 1► • documented in the 2015 AMEC Natural Resources m \\_ ' • t • Ali ' Technical Reports. I/R DATE DESCRIPTION PMW-08D - 4. The contours were taken from NC One Map, �. \� C , ( ° , published by the NCDOT-GIS Unit,dated z PMW-086R r '/ EX-08 2013-11-01.The contours may not be exact and r / w may contain small errors over open water or sounds. w \\ GWA-19D s - Y GWA-19SA o \\\ GWA-19S G�W gR EX-09 c `V • DATE N is N \ s ❑EX-10 1 2022-02-24 18 N o s(`' i i— CCR-2S PROJECT NUMBER ul + �•'� 60629990 c? w' N J , , ,, ,, 4 .�_ , SHEET TITLE N GWA-1ODA `, ,,� • A PILOT TEST WELL LOCATION MAP- Of, WEST AREA 75 0 75 150 �U " aft f. - - SCALE IN FEET: 1" 75' �� •,' +•., 1 ,� 1 i . A � i GWA-18S FIGURE �\ .� / • •GWA-18SA JLL • •y •*� , y�• 7 •' 3 GWA-18D •� ANSI 220IZX34.0" 2022 Annual Infiltration Report 60639236 Appendix A North Carolina Department of Environmental Quality Injection Record Forms AECOM MONTHLY INJECTION EVENT RECORD(IER)* PERMIT NO.:W10400551 FACILITY NAME:Belews Creek Steam Station WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-28 November 2021 53,506 December 2021 87,715 January 2022 78,092 February 2022 121,797 March 2022 94,826 April 2022 69,869 May 2022 76,475 June 2022 98,391 July 2022 50,751 August 2022 62,908 September 2022 84,821 879,151 ITOTAL FOR WELL WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-30 November 2021 62,569 December 2021 79,767 January 2022 79,455 February 2022 150,853 March 2022 148,365 April 2022 136,442 May 2022 130,090 June 2022 139,926 July 2022 135,874 August 2022 100,284 September 2022 141,992 1,305,616 ITOTAL FOR WELL WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-31 November 2021 52,660 December 2021 31,782 January 2022 92,803 February 2022 108,818 March 2022 147,417 April 2022 131,417 May 2022 118,741 June 2022 140,766 July 2022 140,588 August 2022 100,944 September 2022 132,664 1,198,600 ITOTAL FOR WELL WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-33 November 2021 42,983 December 2021 51,278 January 2022 105,519 February 2022 126,945 March 2022 151,679 April 2022 133,810 May 2022 118,456 June 2022 135,115 July 2022 130,533 August 2022 100,463 September 2022 132,748 1,229,529 ITOTAL FOR WELL 1 of 6 MONTHLY INJECTION EVENT RECORD(IER)* PERMIT NO.:W10400551 FACILITY NAME:Belews Creek Steam Station WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-35 November 2021 102,452 December 2021 158,829 January 2022 168,797 February 2022 185,107 March 2022 218,051 April 2022 196,221 May 2022 170,714 June 2022 179,666 July 2022 274,316 August 2022 201,275 September 2022 266,422 2,121,851 ITOTAL FOR WELL WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-38 November 2021 69,147 December 2021 98,079 January 2022 103,826 February 2022 149,552 March 2022 125,939 April 2022 97,953 May 2022 87,538 June 2022 199,387 July 2022 145,488 August 2022 139,786 September 2022 222,314 1,439,009 ITOTAL FOR WELL WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-39 November 2021 13,197 December 2021 24,699 January 2022 26,802 February 2022 43,310 March 2022 69,255 April 2022 57,468 May 2022 49,826 June 2022 53,884 July 2022 68,071 August 2022 43,535 September 2022 55,695 505,743 TOTAL FOR WELL WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-44 November 2021 46,519 December 2021 46,942 January 2022 53,904 February 2022 106,281 March 2022 130,087 April 2022 114,125 May 2022 99,044 June 2022 138,476 July 2022 142,008 August 2022 106,296 September 2022 134,417 1,118,098 ITOTAL FOR WELL 2of6 MONTHLY INJECTION EVENT RECORD(IER)* PERMIT NO.:W10400551 FACILITY NAME:Belews Creek Steam Station WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-45 November 2021 91,700 December 2021 150,608 January 2022 150,194 February 2022 217,955 March 2022 178,185 April 2022 171,106 May 2022 161,368 June 2022 264,968 July 2022 276,115 August 2022 201,035 September 2022 266,017 2,129,251 ITOTAL FOR WELL WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-48 November 2021 98,477 December 2021 162,335 January 2022 166,101 February 2022 264,116 March 2022 244,163 April 2022 207,401 May 2022 179,491 June 2022 263,487 July 2022 275,676 August 2022 201,103 September 2022 266,698 2,329,047 ITOTAL FOR WELL WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-51 November 2021 71,622 December 2021 116,747 January 2022 105,020 February 2022 132,224 March 2022 157,835 April 2022 130,587 May 2022 124,344 June 2022 152,005 July 2022 144,374 August 2022 106,381 September 2022 211,899 1,453,039 TOTAL FOR WELL WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-53 November 2021 91,017 December 2021 92,251 January 2022 79,689 February 2022 58,719 March 2022 148,798 April 2022 130,205 May 2022 130,935 June 2022 156,940 July 2022 256,800 August 2022 202,241 September 2022 267,824 1,615,418 ITOTALFOR WELL 3of6 MONTHLY INJECTION EVENT RECORD(IER)* PERMIT NO.:W10400551 FACILITY NAME:Belews Creek Steam Station WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-54 November 2021 99,391 December 2021 168,236 January 2022 154,565 February 2022 232,740 March 2022 208,183 April 2022 166,612 May 2022 171,091 June 2022 270,346 July 2022 284,832 August 2022 207,272 September 2022 275,114 2,238,382 ITOTAL FOR WELL WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-59 November 2021 15,837 December 2021 40,466 January 2022 34,602 February 2022 39,989 March 2022 43,015 April 2022 40,477 May 2022 35,321 June 2022 36,676 July 2022 12,604 August 2022 46,295 September 2022 67,099 412,381 ITOTAL FOR WELL WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-62 November 2021 19,042 December 2021 25,669 January 2022 24,455 February 2022 22,815 March 2022 40,607 April 2022 40,592 May 2022 39,077 June 2022 38,463 July 2022 33,015 August 2022 22,985 September 2022 43,398 350,118 ITOTAL FOR WELL WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-63 November 2021 59,491 December 2021 110,819 January 2022 87,826 February 2022 69,369 March 2022 112,863 April 2022 123,602 May 2022 120,868 June 2022 141,627 July 2022 143,801 August 2022 102,966 September 2022 136,972 1,210,204 ITOTAL FOR WELL 4of6 MONTHLY INJECTION EVENT RECORD(IER)* PERMIT NO.:W10400551 FACILITY NAME:Belews Creek Steam Station WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-65 November 2021 41,637 December 2021 64,233 January 2022 73,266 February 2022 63,274 March 2022 137,271 April 2022 111,589 May 2022 111,647 June 2022 121,042 July 2022 94,985 August 2022 55,472 September 2022 67,539 941,955 TOTAL FOR WELL WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-67 November 2021 13,728 December 2021 23,478 January 2022 25,923 February 2022 25,789 March 2022 37,900 April 2022 33,981 May 2022 32,087 June 2022 37,838 July 2022 28,460 August 2022 8,076 September 2022 34,375 301,634 ITOTAL FOR WELL WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-68 November 2021 9,800 December 2021 53,496 January 2022 42,794 February 2022 39,499 March 2022 71,954 April 2022 72,317 May 2022 63,406 June 2022 58,490 July 2022 62,088 August 2022 39,206 September 2022 35,175 548,225 ITOTAL FOR WELL WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-69 November 2021 11,481 December 2021 14,764 January 2022 17,263 February 2022 14,949 March 2022 19,482 April 2022 31,288 May 2022 34,389 June 2022 38,669 July 2022 38,434 August 2022 30,501 September 2022 34,352 285,572 ITOTAL FOR WELL 5of6 MONTHLY INJECTION EVENT RECORD(IER)* PERMIT NO.:W10400551 FACILITY NAME:Belews Creek Steam Station WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-70 November 2021 12,510 December 2021 1,958 January 2022 416 February 2022 14,120 March 2022 54,923 April 2022 37,793 May 2022 46,403 June 2022 62,296 July 2022 34,535 August 2022 25,035 September 2022 25,035 315,024 ITOTAL FOR WELL WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-71 November 2021 49,814 December 2021 67,381 January 2022 69,585 February 2022 46,893 March 2022 68,734 April 2022 39,691 May 2022 23,153 June 2022 8,707 July 2022 9,527 August 2022 6,862 September 2022 2,324 392,670 ITOTAL FOR WELL WELL ID NO. MONTH MONTHLY VOLUME(gallons) IW-72 November 2021 49,144 December 2021 67,247 January 2022 81,745 February 2022 78,558 March 2022 109,537 April 2022 88,099 May 2022 96,848 June 2022 218,999 July 2022 230,791 August 2022 119,548 September 2022 100,436 1,240,952 ITOTAL FOR WELL TOTAL FOR FACILITY 25,599,208 (November 2021- September 2022) 6of6