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Home My WebLink AboutNC0032719_Monitoring (Report)_20190222GROUNDWATER MONITORING REPORT VALHALLA WATER TREATMENT PLANT 1608 VIRGINIA ROAD EDENTON, CHOWAN COUNTY NPDES PERMIT NUMBER: NCO032719 GMA Project Number: 158101 Latitude (approx.) = N 36.1441730 Longitude (approx.) = W-76.6559350 PREPARED FOR: Mr. Kevin Howard Chowan County Manager Post Office Box 1030 Edenton, North Carolina 27932 Telephone: (252) 482-8334 PREPARED BY: Groundwater Management Associates, Inc. (Hydrogeoiogy) (Engineering) 4300 Sapphire Court, Suite 100 2205 Candun Drive, Suite A Greenville, North Carolina 27834 Apex, North Carolina 27523 Telephone: (252) 758-3310 Telephone: (919) 363-6310 North Carolina Corporate Engineering License #: C-0854 North Carolina Corporate Geology License #: C-121 February 22, 2019 GMA Groundwater Management Associates, Inc. February 22, 2019 Mr. Robert Tankard NCDEQ, DWR, Water Quality Regional Operations Washington Regional Office 943 Washington Square Mall Washington, North Carolina 27889 4300 Sapphire Court, Suite 100 Greenville, North Carolina 27834 Telephone: (252) 758-3310 www.gmo-nc.com Re: Groundwater Monitoring Report Valhalla Water Treatment Plant, 1608 Virginia Road, Edenton, Chowan County, North Carolina NPDES Permit Number: NCO032719 Dear Mr. Tankard: Enclosed is one copy of a Groundwater Monitoring Report prepared by Groundwater Management Associates, Inc. on behalf of Chowan County. If you have any questions or comments about the enclosed report, please do not hesitate to contact me at (252) 758-3310. Thank you Sincerely, GMA 1 Ryan Bond Staff Hydrogeologist Enclosure: Groundwater Monitoring Report cc: Chowan County, Attn: Mr. Kevin Howard, County Manager Mr. David Tawes, Chowan County Water Superintendent Mr. Greg Churchill, Rivers & Associates, Inc. Katie Hackney, P.G. - GMA Z:\GMA\158101-Chowan County Valhalla WTP\Monitoring Report\2019_02\MR_CoverLetterChowan2019.docx The Groundwater Experts TABLE OF CONTENTS 1.0 SITE IDENTIFICATION.......................................................................................... 1 1.1 GENERAL INFORMATION...................................................................................... 1 1.2 RELEASE INFORMATION....................................................................................... 1 1.3 REPORT CERTIFICATION...................................................................................... 2 2.0 SITE HISTORY AND SOURCE CHARACTERIZATION............................................2 2.1 OWNER/OPERATOR INFORMATION AND HISTORY ...................................................... 2 2.2 PURPOSE AND SCOPE.......................................................................................... 2 2.3 SOURCE CHARACTERIZATION................................................................................ 3 2.4 ACTIONS PERFORMED TO DATE............................................................................. 3 3.0 SENSITIVE RECEPTORS AND MIGRATION PATHWAYS.......................................3 3.1 WATER -SUPPLY WELLS....................................................................................... 3 3.2 SURFACE WATER............................................................................................... 3 3.3 WELLHEAD PROTECTION AREAS............................................................................ 4 3.4 DEEP AQUIFERS IN THE COASTAL PLAIN PHYSIOGRAPHIC REGION ................................. 4 3.5 SUBSURFACE STRUCTURES................................................................................... 4 3.6 LAND USE........................................................................................................ 4 3.7 PROPERTY OWNERS AND OCCUPANTS..................................................................... 4 4.0 SITE GEOLOGY AND HYDRYGEOLOGY.................................................................4 4.1 SITE STRATIGRAPHY........................................................................................... 4 4.2 SITE GEOLOGY.................................................................................................. 5 4.3 SITE HYDROGEOLOGY......................................................................................... 5 5.0 SOIL CONTAMINATION INVESTIGATION...........................................................5 6.0 GROUNDWATER CONTAMINATION INVESTIGATION.........................................6 6.1 MONITORING -WELL NETWORK.............................................................................. 6 6.2 WATER -LEVEL MEASUREMENTS AND GROUNDWATER MIGRATION .................................. 6 6.3 SAMPLE COLLECTION AND ANALYTICAL METHODS ...................................................... 7 6.4 GROUNDWATER SAMPLING ANALYTICAL RESULTS ...................................................... 7 6.5 SURFACE WATER SAMPLING ANALYTICAL RESULTS ..................................................... 8 6.6 WATER -SUPPLY WELL SAMPLING RESULTS............................................................... 8 6.7 FIELD MEASURED WATER QUALITY PARAMETERS...................................................... 9 7.0 CONCLUSIONS....................................................................................................... 9 8.0 RECOMMENDATIONS..........................................................................................10 9.0 REFERENCES CITED.............................................................................................10 LIST OF FIGURES 1. Topographic Map (USGS 7.5 Minute Series, Valhalla Quadrangle) 2. Digital Elevation Model, Chowan County 3. Properties and Water -Supply Wells within 2000 Feet of the Site 4. Water Treatment Plant Site Map and Compliance Boundary 5. Location of Site Monitoring Wells and Surface Water Samples 6. Shallow Yorktown Aquifer Equipotential Map, July 11, 2018 7. Surficial Aquifer and Deep Yorktown Aquifer Equipotential Map, July 11, 2018 8. Shallow Yorktown Aquifer Equipotential Map, January 9, 2019 9. Surficial Aquifer and Deep Yorktown Aquifer Equipotential Map, January 9, 2019 10. Chloride Plume, January 9-10, 2019 11. Total Iron Concentrations, January 9-10, 2019 12. Total Manganese Concentrations, January 9-10, 2019 13. Chloride Plume, July 11-12, 2018 14. Total Iron Concentrations, July 11-12, 2018 15. Total Manganese Concentrations, July 11-12, 2018 LIST OF TABLES 1. List of Properties Within 2000 Feet of the Source Area 2. Construction Date, Depth, Screen Interval, and Water Level Measurements for Monitoring Wells 3. Temporary Well Construction and Analytical Data 4. Summary of Groundwater Sampling Analytical Results 5. Summary of Surface Water Sampling and Analytical Results LIST OF APPENDICES I. Copy of Well Abandonment Record II. Copy of Well Construction Permit III. Copies of Well Construction Records IV. Technical Methods and Standard Procedures V. Copy of Laboratory Report and Chain -of -Custody Form for Groundwater and Surface Samples GROUNDWATER MONITORING REPORT 1.0 SITE IDENTIFICATION 1.1 GENERAL INFORMATION Date of Report: February 22, 2019 NPDES Permit Number: NCO032719 Site Name: Valhalla Water Treatment Plant Site Location: 1608 Virginia Road Nearest City/Town: Edenton ZIP: 27932 Latitude: N 36.1441730 Longitude: W-76.6559350 County: Chowan Data Point: Discharge point for Valhalla Water Treatment Plant Property Owner: Chowan County; c/o Mr. Kevin Howard, Chowan County Manager Address Post Office Box 1030, Edenton, North Carolina 27932 Phone: (252) 482-8334 Property Occupant: Valhalla WTP, Attn: Mr. David Tawes, Chowan Co. Water Supervisor Address Post Office Box 1030, Edenton, North Carolina 27932 Phone: (252) 482-2627 Consultant/Contractor: Groundwater Management Associates, Inc. (GMA) Address: 4300 Sapphire Court, Suite 100, Greenville, North Carolina 27834 Phone: (252) 758-3310 Analytical Laboratory: Prism Laboratories, Inc. State Certification #: 402 Address: 449 Springbrook Road, P.O. Box 240543, Charlotte, North Carolina 28224-0543 Phone: (800) 529-6364 1.2 RELEASE INFORMATION Date Discovered: In 2014, the North Carolina Department of Environmental Quality (NCDEQ), Division of Water Resources (DWR) installed a temporary monitoring well at the Valhalla Water Treatment Plant (also referred to as the "site", Figures 1 through 4). NCDEQ collected groundwater samples and analyses confirmed chloride concentrations above the 15A NCAC 2L Groundwater Standards (2LGWOS). On November 18, 2014, DWR issued a Notice of Regulatory Requirements (NORR) directing assessment of the groundwater quality at and beyond the compliance boundary assigned as part of the National Pollutant Discharge Elimination System (NPDES) permit for the water treatment plant (WTP). Analytical results from monitoring wells MW1 though MW3 installed by Chowan County on May 11, 2015, led DWR to issue a Notice of Violation (NOV) on October 6, 2015, for the Valhalla WTP. The NOV required a site assessment and preparation of a Corrective Action Plan. Groundwater Monitoring Report Valhalla WTP (NPDES Permit# NC0032719) February 22, 2019 Page 2 of 1 I Cause of Release: The release appears to have been caused by groundwater infiltration from the unlined former borrow pit that is the discharge point for Valhalla WTP effluent. Source of Release: The source of the release appears to be effluent from the water treatment processes (including removal of hardness, iron, and manganese from groundwater). Estimated Quantity of Release: The quantity of the release is unknown. 1.3 REPORT CERTIFICATION I, Katie T. Hackney, a Licensed Geologist for Groundwater Management Associates, Inc. (GMA), do certify that the information contained in this report is correct and accurate to the best of our knowledge. GMA is a professional corporation licensed to practice geology (C-121) and engineering (C-0854) in the state of N2PQ-"o1W1 �N•"EivS "0t,•, �{ SEAL ,�y,. 210'� _ -� 0\ ; y0 f �'` Katie T. Hackney, P.G. .�R`� FOLOG�So. Q, •� Ryan Bond Senior Hydrogeologist �'•.,�'yF .... •••• •"'•• Staff Hydrogeologist '�•.,,� TARLEI() ..ua i 000 2.0 SITE HISTORY AND SOURCE CHARACTERIZATION 2.1 OWNER/OPERATOR INFORMATION AND HISTORY Chowan County operates the Valhalla Water Treatment Plant and distributes approximately 31 million gallons of potable water per month to its customers. The WTP treats raw water to reduce levels of iron, manganese, and hardness in order to meet state and federal drinking water standards; thereby generating waste water that contains increased levels of iron, manganese and chloride. The WTP discharges the waste water under National Pollutant Discharge Elimination System (NPDES) permit number NC0032719. The current discharge location is to the former borrow pond (unlined sand quarry) located on the WTP property (Figure 4). The actual discharge point required in the permit has ranged over the years from the former ditch located along Highway 32, Rocky Hock Creek, and an unnamed tributary of Pollock Swamp. 2.2 PURPOSE AND SCOPE The purpose of this report is to provide current groundwater and surface water quality data, and a general site status for the Valhalla Water Treatment Plant. GMA sampled 18 monitoring wells, two water supply wells, and nine surface water locations. Groundwater Monitoring Report Valhalla WTP (NPDES Permit# NC0032719) February 22, 2019 Page 3 of 1 1 2.3 SOURCE CHARACTERIZATION The source of elevated chloride, iron, and manganese concentrations in groundwater immediately below and downgradient of the WTP appears to be from the current and historical discharge of WTP effluent to the unlined former borrow pond on the WTP property. 2.4 ACTIONS PERFORMED TO DATE Chowan County has investigated multiple options over the years for an alternate discharge point, but no permanent agreement has been made with NCDEQ. Currently, the County and NCDEQ have entered into a Special Order of Consent (SOC) signed September 6, 2016 by Chowan County to work towards alternate temporary and permanent solutions for discharge of the WTP effluent. 3.0 SENSITIVE RECEPTORS AND MIGRATION PATHWAYS 3.1 WATER -SUPPLY WELLS Water -supply wells located within 2,000 feet of the contamination source area are shown in Figure 3. GMA completed a survey within a radius of 2,000 feet around the site to identify property owners and water -supply wells. GMA conducted interviews, searched for water meters and well houses, reviewed the locations of Chowan County's production wells, and gathered information from the County. All developed properties are connected to public water. GMA identified six water -supply wells within 2,000 feet of the source area (Figure 3). Two municipal production wells owned and operated by Chowan County, (WSW1 and WSW2; Figure 3, Table 1) are located 335 feet northeast and 1600 feet northeast, respectively, of the source area. Well WSW1 is currently active, 319 feet deep, and is screened from 304 feet to 314 below land surface (BLS) in the Beaufort Aquifer. Although the cased portion of well WSW1 is located within the contaminant plume (Figures 10 and 13), the well is screened below the plume and is currently not impacted. Well WSW2 is currently offline, is reportedly 124 feet deep, and is screened in the Yorktown Aquifer from 84 feet to 124 feet BLS. Two inactive private non -potable wells are located 600 feet northwest (WSW4) and 1,200 feet southwest (WSW6) of the source area, respectively. One inactive non -potable well, reportedly 12 feet deep (WSW3), was used to dewater during installation of an in -ground pool located 1,200 feet to the northeast, and one now inactive irrigation well (WSW5) located 650 feet southwest of the source area is 30 feet deep and reportedly is screened from 14 to 30 feet BLS (Figure 3, Table 1). 3.2 SURFACE WATER Multiple ponds are located near the source of the release (additional former sand quarries, Figures 3 and 4) on the subject parcel. A pond owned by Mr. Rodney Harrell is located Groundwater Monitoring Report Valhalla WTP (NPDES Permit# NC0032719) February 22, 2019 Page 4 of I I approximately 550 feet west of the source area. A pond owned by Mr. C.T. Dixon is located approximately 800 feet west of the source area. A tributary of Pollock Swamp is located approximately 1300 feet east of the source area (Figures 1 and 3). Bennett Millpond is located approximately 1300 feet west of the source area (Figures 1 and 3). 3.3 WELLHEAD PROTECTION AREAS There are no designated wellhead protection areas in Chowan County. 3.4 DEEP AQUIFERS IN THE COASTAL PLAIN PHYSIOGRAPHIC REGION The site (Figure 1) is located in the Coastal Plain Physiographic Province (NCGS, 1985), and is underlain by Tertiary -age Yorktown, Pungo River, Castle Hayne, and Beaufort Formations. Cretaceous -age Black Creek and Cape Fear Formations underlie these Tertiary -age formations. The primary aquifers underlying the source area are the shallow post -Miocene Surficial and Yorktown Aquifers, the middle -Miocene Pungo River Aquifer, the Oligocene to Eocene Castle Hayne Aquifer, and the Paleocene Beaufort Aquifer, that are underlain by the Cretaceous Aquifer System (CAS). The CAS is comprised of the Black Creek, Upper Cape Fear, and Lower Cape Fear Aquifers (Winner and Coble, 1989). 3.5 SUBSURFACE STRUCTURES There are subsurface raw water, potable water, electric, telephone, fiber optic, and cable television lines throughout the survey area. GMA did not locate any basements at the site or in the surrounding area. 3.6 LAND USE Properties within the surrounding area are primarily used for residential and agricultural purposes or are undeveloped (Figure 3). A few small businesses are located along Virginia Road (NC Highway 32). The current property uses appear unlikely to change in the near future. The closest place of public assembly is the Faith Pentecostal Holiness Church located 300 feet north of the source area (Figure 3, Table 1). The residence closest to the source area is located 325 feet west and is owned by Robert and Janie Harrell (Figure 3, Table 1). 3.7 PROPERTY OWNERS AND OCCUPANTS Property owners located within the 2,000 foot survey radius (Figure 3) are identified in Table 1. GMA negotiated and obtained property access agreements from multiple property owners concerning ongoing groundwater and surface water investigations of the site. 4.0 SITE GEOLOGY AND HYDROGEOLOGY 4.1 SITE STRATIGRAPHY Shallow stratigraphy was determined during the installation of three, 12-foot deep groundwater monitoring wells (MW1 through MW3) and field activities including Geoprobe° borings, and Groundwater Monitoring Report Valhalla WTP (NPDES Permit# NC0032719) February 22, 2019 Page 5 of 1 1 installation of multiple monitoring wells ranging from 47 to 221 fee BLS (MW4 — MW17; Figure 5). Table 2 includes detailed well construction information. The generalized stratigraphy encountered is a brown to tan fine sand from the land surface to 14 feet BLS, an orange to mottled tan medium to fine sand with some coarse sand and/or pebbles from 14 to 16 feet BLS, a dark grey very fine sandy silt interbedded with clay lenses, and coarse sand lenses from 16 to 25 feet BLS, a dark grey silty sand from 25 to 44 feet BLS, dark grey fine silty sand with shell beds, some interbedded wood debris, and gravel beds from 44 to 155 feet BLS, a grey clayey very fine sandy silt from 155 to 180 feet BLS, a grey sandy clayey silt with lots of medium to large shells from 180 to 193 feet BLS, a greenish grey clayey silty with phosphate bits from 193 to 197 feet BLS, a greenish grey clay hard clay lens at the top then back to a phosphate and shelly, silty sand from 197 to 214 feet BLS, and a hard phosphate/sandstone cap with quartz and phosphate sand/gravel that transitions with depth back to a silty, quartz and phosphate sand interbedded with shell fragments from 214 to at least 221 feet BLS. The total thickness of the Yorktown Aquifer is approximately 180 feet. 4.2 SITE GEOLOGY The site (Figures 1 and 2) occurs in a low -relief portion of the Atlantic Coastal Plain Physiographic Province at an elevation of approximately 40 feet above mean sea level (AMS). Surface to near surface sediments beneath the site are Quaternary in age, and deeper sediments are Tertiary to Cretaceous in age and consist of sand, clayey sand, and glauconitic, locally-fossiliferous and calcareous clay (North Carolina Geological Survey, 1985). Patches of sandy molluscan —mold limestone occur locally. 4.3 SITE HYDROGEOLOGY Due to the topography of the source area and its proximity to Bennett Millpond (approximately 1,450 feet west), groundwater in the Surficial Aquifer migrates westward and toward Bennett Millpond (Figure 1). Regular effluent discharge to the unlined ponds at the WTP is likely causing mounding of water table and is affecting the direction of groundwater flow within the Surficial Aquifer. The site is located along a sand ridge known as the Suffolk Scarp (NCGS, 1985) therefore groundwater in the Surficial Aquifer is affected locally and likely flows roughly to the east and west with the Scarp divide (Figures 1 and 2). Bennett Millpond flows into Rocky Hock Creek about 3000 feet south of the site and ultimately discharges to the Chowan River approximately 2.3 miles downstream of Bennett Millpond. 5.0 SOIL CONTAMINATION INVESTIGATION The WTP treats raw water to reduce levels of iron, manganese, and hardness, therefore, the wastewater generated contains increased levels of iron, manganese, and chloride. The WTP discharges the waste water directly into the former borrow pond at the site where it infiltrates the groundwater system. Depth to groundwater near the borrow pond has been shown to be approximately six feet BLS (Table 2). Soil contamination has not been identified or suspected Groundwater Monitoring Report Valhalla WTP (NPDES Permit# NC0032719) February 22, 2019 Page 6 of 1 I because it appears that the borrow pond intersects the surficial water table. No impacts to unsaturated soils are expected. Sediments/sludge have accumulated in the former sand quarry over time and will need to be collected and disposed of once discharge of the WTP effluent is discontinued. 6.0 GROUNDWATER CONTAMINATION INVESTIGATION 6.1 MONITORING WELL NETWORK The current monitoring well network (Figure 5) consists of four surficial aquifer (MW1-MW3, and MW17), 11 shallow Yorktown aquifer (MW4 — MW14), and five deep Yorktown aquifer (MW2D, MW9D, MW13D, MW15, and MW16) monitoring wells. Table 2 summarizes well depths and screen intervals. The well locations and depths were chosen based on the temporary Geoprobe° groundwater investigation completed by GMA in May of 2016 (GMA, 2016; Table 3). GMA supervised the installation of monitoring wells MW4 through MW13, MW21), MW91), and MW13D between November 29, 2016 and December 2, 2016. Monitoring wells MW14 and MW9DD were installed on April 11 and 12, 2017, to further delineate the horizontal and vertical extent of the plume (GMA, 2017a). On February 5, 2019, GMA authorized the abandonment of monitoring well MW9DD due to suspected failure of the bentonite seal, which was most likely caused by high chloride levels in the groundwater. The well abandonment record is provided in Appendix I. On February 9 — 10, 2019, GMA supervised the installation of monitoring wells MW15 — MW17. GMA installed the wells to monitor water table fluctuations and further delineate the horizontal and vertical extent of the plume, and determine groundwater interactions with the Bennett Millpond. Copies of the well construction permit and well construction records are provided in Appendices II and III, respectively. 6.2 WATER -LEVEL MEASUREMENTS AND GROUNDWATER MIGRATION Figures 6 and 7 illustrate historical equipotential maps utilizing data from the July 2018 monitoring event. On January 9, 2019, GMA measured and recorded water levels in the following 18 monitoring wells: MW1 — MW14, MW2D, MW9D, MW13D and MW9DD. The average depth to groundwater in the shallow Yorktown Aquifer was 16.09 feet BLS (Table 2). The resulting equipotential map for January 9, 2019, indicated that groundwater in the shallow Yorktown Aquifer was flowing to the west and east along an average hydraulic gradient of approximately 0.002 feet/foot (Figure 8). The average depth to groundwater in the Surficial Aquifer was 5.19 feet BLS (Table 2). GMA prepared an equipotential map for the Surficial Aquifer that indicated groundwater was flowing north along an average hydraulic gradient of approximately 0.002 feet/foot (Figure 9). GMA recognizes there were only three monitoring wells screened across the water table and that the mounding effect of the ponds is not shown in Figure 9. Groundwater Monitoring Report Valhalla WTP (NPDES Permit# NC0032719) February 22, 2019 Page 7 of I I In the deeper Yorktown Aquifer, the average depth to groundwater was approximately 21.3 feet BLS, and the groundwater was flowing toward the west along an average hydraulic gradient of approximately 0.002 feet/foot (Figure 9). These gradients correspond to the topography of the area surrounding the monitoring wells. On January 9, 2019, GMA calculated an average downward -directed, vertical hydraulic gradient of approximately 0.3 feet/foot at the source area by comparing water -level data for Surficial Aquifer and deep Yorktown Aquifer well pair MW2/MW2D (Figure 5, Table 2). An average downward -directed, vertical hydraulic gradient of approximately 0.03 feet/foot was identified by comparing water -level data for shallow and deep Yorktown Aquifer well pairs MW9/MW9D and MW13/MW13D. An average downward -directed, vertical hydraulic gradient of approximately 0.008 feet/foot was identified by comparing water -level data from the deep Yorktown Aquifer and the underlying Castle Hayne Aquifer well pair MW9D/MW9DD (Figure 5, Table 2). These vertical hydraulic gradients indicate the preference for groundwater and contaminants to move downward more rapidly than horizontally (i.e., the site is in a recharge area). Contaminants detected in monitoring wells tapping both the Surficial Aquifer and the deeper Yorktown Aquifer confirm downward migration of contaminated groundwater. 6.3 SAMPLE COLLECTION AND ANALYTICAL METHODS On January 9 — 10, 2019, GMA collected groundwater samples from 18 monitoring wells (MW1- MW14, MW2D, MW91), MW13D, and MW9DD), nine surface water locations (SW1-SW9), and two water supply wells (WSW1 and WSWS). Appendix IV describes GMA's standard sampling procedures. The samples were transported to a North Carolina certified laboratory, Prism Laboratories, Inc. (Prism), by their courier service in ice -filled coolers under chain -of -custody protocol. Prism analyzed the samples for chloride, TDS, total and dissolved iron, and total and dissolved manganese. GMA also performed field monitoring for dissolved oxygen (DO), conductivity, temperature, pH, oxidation-reduction potential (ORP), specific conductivity, and turbidity during sampling. Copies of the laboratory analytical reports and chain -of -custody forms for the samples are provided in Appendix V. 6.4 GROUNDWATER SAMPLING ANALYTICAL RESULTS Table 4 summarizes the analytical results for groundwater samples collected in January of 2019, along with historical analytical results. Analytical results from the 18 samples collected on January 9 — 10, 2019, indicate chloride, TDS, total iron, and total manganese were detected (Table 4) in the majority of wells at concentrations greater than the applicable 15A NCAC 2L groundwater standard. Source area wells MW1, MW2D, MW12, and downgradient wells MW7, MW9D, and MW9 contained the highest concentrations of chloride (Table 4, Figure 10). Representative concentration maps show the estimated horizontal extents of chloride, total iron, Groundwater Monitoring Report Valhalla WTP (NPDES Permit# NC0032719) February 22, 2019 Page 8 of 1 1 and total manganese in January 2019 (Figures 10 through 12, respectively). Data summarized on Figure 10 includes temporary well chloride data collected on May 25 — 26, 2016 to help define the extent of the plume. Historical plume maps (July 2018) for chloride, total iron, and total manganese are shown in Figures 13 through 15, respectively. 6.5 SURFACE WATER SAMPLING ANALYTICAL RESULTS GMA collected nine surface water samples (SW1-SW9) during the January 2019 sampling event (Figure 5, Table 5). Chloride was detected in surface water samples SW3-SW7 at concentrations greater than the applicable 15A NCAC 2B surface water standard (213 Standard). The highest concentration of chloride was detected in sample SW6, with additional 2B Standard violations in downgradient samples SW3, SW4, SW5, and SW9 (Figure 5, Table 5). Compared to the July 2018 data, chloride concentrations in sample SW9 decreased significantly, with slight decreases in samples SW4, SW5, and SW6 (Figures 10 and 13, Table 5). Elevated total iron and total manganese concentrations were detected in some of the surface water samples collected, however the DWR and EPA removed the surface water standards for both constituents due to multiple studies verifying naturally high levels across the State (Table 5). This does not rule out that the adjoining surface water features have been impacted by the effluent from the WTP as the highest iron and manganese levels are located downgradient of the WTP effluent infiltration point (Table 5, Figures 11 and 12, respectively). Analytical results of surface water samples from January of 2019 indicate reductions in chloride, iron, and manganese concentrations in most of the samples collected compared to results from samples collected in July of 2018. These changes are likely due to seasonal fluctuations in precipitation and its effects on surface water runoff and groundwater infiltration. Appendix IV describes the technical methods and standard procedures utilized for sample collection. Appendix V provides a copy of the laboratory report and chain -of -custody forms. 6.6 WATER -SUPPLY WELL SAMPLING RESULTS GMA collected a sample from WSW1 on January 10, 2019 and analytical results indicate stable chloride concentrations through time (Figures 10 and 13, Table 4). GMA also collected a sample from WSW5 on January 10, 2019. Chloride, TDS and total iron and total manganese concentrations increased slightly since the July 2018 sampling event (Table 4). The owner discontinued use of the well, which will hopefully prevent additional movement of the chloride plume in the direction of well WSW5. Appendix IV describes the technical methods and standard procedures utilized for sample collection. Appendix V provides a copy of the laboratory report and chain -of -custody forms. Groundwater Monitoring Report Valhalla WTP (NPDES Permit# NC0032719) February 19, 2019 Page 9 of 1 1 6.7 FIELD MEASURED WATER QUALITY PARAMETERS On January 9 —10, 2019, all surface water and groundwater samples were tested in the field for DO, specific conductance, conductivity, temperature, pH, ORP, and turbidity to evaluate the water quality conditions (Tables 4 and 5). The high specific conductivity and conductivity measurements are consistent with elevated chloride concentrations in the monitoring wells, water -supply wells, and surface water samples. 7.0 CONCLUSIONS • On January 9, 2019, the average depth to the water table in the Surficial Aquifer was approximately 5.19 feet BLS, and groundwater was flowing toward the north along a hydraulic gradient of approximately 0.002 feet/foot. • On January 9, 2019, the average depth to the water table in the shallow Yorktown Aquifer was approximately 16.09 feet BLS, and groundwater was flowing to the west and east along an average hydraulic gradient of approximately 0.002 feet/foot. • On January 9, 2019, the average depth to the water table in the deeper Yorktown Aquifer was approximately 21.3 feet BLS, and groundwater was flowing toward the west along an average hydraulic gradient of approximately 0.002 feet/foot. • GMA identified an average downward -directed, vertical hydraulic gradient of approximately 0.3 feet/foot at the source area by comparing water -level data for Surficial Aquifer well and deep Yorktown well pair MW2/MW2D. • GMA identified an average downward -directed, vertical hydraulic gradient of approximately 0.03 feet/foot by comparing water -level data for shallow and deep Yorktown Aquifer well pairs MW9/MW9D and MW13/MW13D. • GMA identified an average downward -directed, vertical hydraulic gradient of approximately 0.008 feet/foot by comparing water -level data for the deep Yorktown Aquifer and the underlying Castle Hayne using well pair MW9D/MW9DD. • The vertical hydraulic gradients indicate a preference for groundwater and contaminants to move downward more rapidly than horizontally. • Contaminants detected in monitoring wells tapping both the Surficial Aquifer and the deeper Yorktown Aquifer confirm downward migration of contaminated groundwater. Data from the deepest monitoring well MW9DD indicate a significant increase in chloride and manganese detections and actual detection of iron below the Yorktown Aquifer, which is likely due to the failure of the bentonite seal in the presence of high chloride concentrations. • Analytical results from the 18 groundwater samples collected on January 9 — 10, 2019, indicate chloride, total iron, and total manganese were detected in the majority of wells at concentrations greater than the applicable 15A NCAC 2L groundwater standard. Source area wells MW1, MW2D, MW12 and downgradient wells MW7, MW9 and MW9D contained the highest concentrations of chloride. • Iron and manganese concentrations occur above the 15A NCAC 2L groundwater standard in most samples collected from the monitoring wells, with the highest concentrations occurring in source area and downgradient wells. Groundwater Monitoring Report Valhalla WTP (NPDES Permit# NC0032719) February 19, 2019 Page 10 of 1 I • Samples collected from water -supply well WSW5 continue to contain chloride concentrations even though it is no longer used for irrigation purposes. • Elevated chloride, iron, and manganese concentrations continue to impact the surface water samples collected from within and downgradient of the source area. 8.0 RECOMMENDATIONS • Survey top of casing elevations of newly installed monitoring wells MW15, MW16, and MW17. • Establish surface water level gauging survey points. • Conduct a comprehensive groundwater level gauging event utilizing all monitoring wells. • Collect groundwater samples from newly installed wells MW15, MW16, and MW17 for analysis of chloride, TDS, and total and dissolved iron and manganese. • Conduct aquifer testing using new wells MW15 and MW16. • Review new well data and make decisions about possible new monitoring well/temporary well data needs and replacement options for a deep monitoring well. • Begin work on the Site Conceptual Model that will support construction of a groundwater flow model. We will calibrate the groundwater flow model using site data, and we will perform solute transport simulations. GMA will provide results of the modeling in a report. • Continue semi-annual sampling to include 20 monitoring wells, 9 surface water samples, and sampling of water -supply wells WSW1 and WSW5. If possible GMA will coordinate the sampling event to coincide with the WTP's quarterly sampling requirements under their NPDES permit in July of 2019. • Continue to collected data on geochemical parameters of dissolved oxygen (DO), oxygen reduction potential (ORP), pH, temperature, specific conductivity, and turbidity for all samples. • GMA will continue to monitoring the iron and manganese levels and utilize low flow sampling methods during sampling events to help reduce turbidity. GMA will establish background levels for iron, manganese, and chloride. • Utilize new data to aid in planning and research of active remediation options. 9.0 REFERRENCES CITED Groundwater Management Associates, Inc., December 18, 2015, Initial Site Assessment, Valhalla Water Treatment Plant, Edenton, Chowan County, 5 pages plus attachments. Groundwater Management Associates, Inc., August 26, 2016, Phase II Site Assessment, Valhalla Water Treatment Plant, Edenton, Chowan County, 7 pages plus attachments. Groundwater Management Associates, Inc., June 30, 2017, Comprehensive Site Assessment, Valhalla Water Treatment Plant, Edenton, Chowan County, 13 pages plus attachments. Groundwater Management Associates, Inc., November 17, 2017, Groundwater Monitoring Report, Valhalla Water Treatment Plant, Edenton, Chowan County, 10 pages. Groundwater Management Associates, Inc., February 28, 2018, Corrective Action Plan, Valhalla Water Treatment Plant, Edenton, Chowan County, 21 pages plus attachments. Groundwater Monitoring Report Valhalla WTP (NPDES Permit# NC0032719) February 19, 2019 Page 1 1 of 1 I Groundwater Management Associates, Inc., August 2, 2018, Groundwater Monitoring Report, Valhalla Water Treatment Plant, Edenton, Chowan County, 10 pages plus attachments. Heath, R. C., 1983, Basic Ground -Water Hydrology: Water -Supply Paper 2220, United States Geological Survey, 86 pages. North Carolina Geological Survey, 1985, Geologic Map of North Carolina: North Carolina Department of Environment, Health, and Natural Resources, Raleigh, North Carolina, 1 Sheet, 1:500,000 Scale. Winner, M.D. Jr., and R.W. Coble, 1989, Hydrogeologic Framework of the North Carolina Coastal Plain Aquifer System, 154 pages. FIGURES /x QQ �% t • r` d � 0 8r r �+ • U, V � i • � �}� f1/ r r � Jig! �'° ra.� �` \ � �-�� • ��} �� ,"\ J _. 40 } N5 ti - -en Grow ..�. = if- i • I a KK LEGEND 0 500 1,000 2,000 Feet SITE VALHALLA QUADRANGLE GMA NORTH CAROLINA-CHOWAN COUNTY 7.5 MINUTE SERIES (TOPOGRAPHIC) CONTOUR INTERVAL=2METERS MAP DATED 1981 File: DRAWINGS/158101 TOPOV2 TOPOGRAPHIC MAP Date: 2/27/2018 Project No. 158101 VALHALLA WTP, EDENTON, CHOWAN CO., NC Figure 1 A LEGEND * SITE PARCEL BOUNDARIES lip GMA �O O SCALE IN FEET —ROAD CENTERLINE 0 800' \10 SURFACE WATER File: DRAWINGS/158101/ DIGITAL ELEVATION MODEL, CHOWAN COUNTY Date: 2/5/2019 DEM Project No. 158101 VALHALLA WTP, EDENTON, CHOWAN COUNTY, NC Figure 2 LEGEND SITE --- ROAD CENTERLINE SCALE IN FEET 4 MONITORING WELLS SURFACE WATER 0 120' GMA + MONITORING WELL, DEEP TYPE II PARCEL BOUNDARIES w COMPLIANCE BOUNDARY File: DRAWINGS/158101/ WATER TREATMENT PLANT SITE MAP Date: 2/27/2018 SITECOMPBOUND AND COMPLIANCE BOUNDARY Project No. 158101 VALHALLA WTP, EDENTON, CHOWAN COUNTY, NC Figure 4 cif. ,...:...` .. LEGEND SITE MONTORING WELL DEEP TYPE II — SURFACE WATER -$1, MONITORING WELL TYPE II ♦ GROUNDWATER FLOW LINE PARCEL BOUNDARIES GMA MUNICIPALWSW — SHALLOWYORKTOWNAQUIFEREQUIPOTENTIALLINES SCALE IN FEET 0 300' INACTIVE WSW ---ROADCENTERLINE File: DRAWINGS/158101/ SHALLOW YORKTOWN AQUIFER EQUIPOTENTIAL MAP, Date: 7/30/2018 SHALLOWEQMAP-7-2018 JULY 11, 2018 Project No. 158101 VALHALLA WTP, EDENTON, CHOWAN COUNTY, NC Figure 6 MW14 9.86 10.00 2 C9 M WSW3 � � I 11.00 �► Mw11 12.00 t. 1 0.88 _... MwJ0 13.00 9.00941 ..,. MW13 i $13751 / WSW4 MW72 / MW9DD 3.83 MW8 Mwi 8.51 MW9D � I ...v 9M 3s '�vysyy 12.00 MW7 MW2D 9.01 ' MW2 MW3 11.39 wsws' I MW6 GENERAL NOTES: 1!r ONTOURINTERVAL1I.O,F00T ` 2�ARROW INDICATES.DIRECTIONS OF;GROUNDWATER FLOW MW5 3?ISOTROPIC CONDITIONS ARE ASSUMED 12.71 4. WATER LEVEL ELEVATIONS'ARE POSTED BY EACH WELL N 5�( ) INDICATES DATA NOT USED LEGEND 4 SITE 0 MUNICIPALWSW EQUI POTENTIAL LINE GMA PARCEL BOUNDARIES INACTIVE WSW ♦ GROUNDWATER FLOW LINE — — ROAD CENTERLINE MONITORING WELL TYPE II 0 SCALE IN FEET300' — SURFACE WATER -- MONTORING WELL DEEP TYPE II File: DRAWINGS/158101/ SHALLOW YORKTOWN AQUIFER EQUIPOTENTIAL MAP, Date: 1/24/2019 SHALLOWEQMAP_JAN2019 JANUARY 9, 2019 Project No. 158101 VALHALLA WTR EDENTON, CHOWAN COUNTY, NC Figure 8 TABLES Table 1. List of Properties within 2000 Feet of the Source Area Valhalla WTP Edenton, Chowan County Property Owner's Property Owner's Water Distance & Property MAP ID Parcel Number Name Property Address Address Telephone Well Status Well ID Service Direction Description from ite* 1 689700290354 Chowan County 1608 Virginia Road Post Office Box 1030 252-482-7447 municipal, active WSWI yes Site County water Edenton, NC 27932 Edenton, NC 27932 potable water -supply treatment plant 2 689700290717 Faith Pentecostal 1614 Virginia Road 1614 Virginia Road 252-482-7195 no yes 300' N church Holiness Church Edenton, NC 27932 Edenton, NC 27932 3 689700292664 Chowan County 1610 Virginia Road Post Office Box 1030 252-482-9989 no yes 250' N County water Edenton, NC 27932 Edenton, NC 27932 (Thomas Bulls) treatment plant 4 689700298434 Chowan County Off Coffield Road Post Office Box 1030 252-482-7447 no no 430' E undeveloped Edenton, NC 27932 cleared land 5 689700282038 Virginia B. Vogedes Off Virginia Road 104 Blount Street 252-333-0063 no no 600' SE farmland and Hattie Byrum Edenton, NC 27932 (Ginger Vogedes) 6 689700189746 Virginia B. Vogedes 1528 Virginia Road 104 Blount Street 252-333-0063 no no 400' S farmland and Hattie Byrum Edenton, NC 27932 Edenton, NC 27932 (Ginger Vogedes) 7 689700184985 Linda G.Bunch 1541 Virginia Road 1541 Virginia Road 252-221-4151 no, per neighbor yes 520' SW house Edenton, NC 27932 Edenton, NC 27932 (work #) 8 689700195008 Todd and Virginia 1543 Virginia Road 1543 Virginia Road 252-482-4043 no yes 400' SW house Smith Edenton, NC 27932 Edenton, NC 27932 9 689700193377 Rodney T. Harrell, Jr. 1545 Virginia Road 602 E. Church Street 252-312-7518 no yes 230' W acreage with house, and Joyce B. Harrell Edenton, NC 27932 Edenton, NC 27932 pond, buildings 10 689700195391 Robert and Janie 1601 Virginia Road 1601 Virginia Road no yes 250' W house Harrell Edenton, NC 27932 Edenton, NC 27932 11 689700196433 Rodney T. Harrell, Jr. 1603 Virginia Road 602 E. Church Street 252-312-7518 no yes 200' W house and Joyce B. Harrell Edenton, NC 27932 Edenton, NC 27932 252-482-3082 inactive, dewatering 12 689800104205 C.T. Dixon Marsha 1623 Virginia Road 2016 Rocky Hock Road 252-333-5215 for inground pool WSW4 yes 600' NW acreage with barn, Gregory (daughter) Edenton, NC 27932 Edenton, NC 27932 Marsha Gregory cell install office, mini storage * The distance (in feet) is measured from the source area to the closest percel boundary of the property if a water -supply well (WSW) is not present on the property. Table 1. List of Properties within 2000 Feet of the Source Area Valhalla WTP Edenton, Chowan County MAP ID Parcel Number Property Owner's Property Address Property Owner's Telephone Well Status Well ID Water Distance & Direction Property Name Address Service fr m i * Description 13 689700198910 Waldo and Nancy 1609 Virginia Road 216 Oak Ridge Road 252-333-2712 no yes 350'NW apartments and Winslow Edenton, NC 27932 Edenton, NC 27932 (Winslow rentals) houses 1629 Virginia Road Post Office Box 487 252-223-2673 no (yes per wooded acreage, 14 689800115106 Clark and Joyce Wylde Edenton, NC 27932 Newport, NC 28570 (Clark and Joyce) no Mrs. Wylde) 1150' NW modular home near millpond 15 689800201819 Jessie Ward 1637 Virginia Road 1637 Virginia Road 252-482-2975 no yes 1400' NW house Edenton, NC 27932 Edenton, NC 27932 Church of the Lord 1641 Virginia Road 1641 Virginia Road 16 689800211184 Jesus Christ of the Edenton, NC 27932 Edenton, NC 27932 252-482-8063 no yes 1580' NW church Apostolic Faith 17 689800212344 Elton and Gloria Griffin 1645 Virginia Road 1645 Virginia Road 252-482-3746 no yes 1880' NW house Edenton, NC 27932 Edenton, NC 27932 (Carroll Griffin) 18 689800214291 Gertrude Faye Ashley 1646 Virginia Road 1646 Virginia Road 252-562-4706 no yes 1800' NW house Edenton, NC 27932 Edenton, NC 27932 (Ed Ashley Jr.) 19 689800214028 Gertrude Faye Ashley 1642 Virginia Road 1646 Virginia Road 252-562-4706 no yes 1660' N house Edenton, NC 27932 Edenton, NC 27932 (Ed Ashley Jr.) 20 689800204409 Gertrude Faye Ashley 1630 Virginia Road 1646 Virginia Road 252-562-4706 no no 500' N farmland Edenton, NC 27932 Edenton, NC 27932 (Ed Ashley Jr.) 21 689800200096 Linda Vaughan 1620 Virginia Road 1515 Blanche Drive, 757-469-6105 no yes 600' N house Edenton, NC 27932 Portsmouth, VA 23701 (Jamie Meads, renter) 22 689700290972 Scott and Jody Mason 1618 Virginia Road 1946 Mocksville Highway 252-339-9478 (Jesse no yes 500' N house Edenton, NC 27932 Cleveland, NC 27013 Byrum III, renter) 23 689800217017 Gertrude Faye Ashley 110 Coffield Road 1646 Virginia Road 252-562-4706 no no 1530' NE wooded acreage Edenton, NC 27932 Edenton, NC 27932 (Ed Ashley Jr.) 24 689800300577 Chowan County 122 Coffield Road Post Office Box 1030 252-482-7447 municipal, inactive WSW2 no 1600' NE WSW well lot Edenton, NC 27932 Edenton, NC 27932 potable water -supply 25 689800301308 James Russell 124 Coffield Road 124 Coffield Road 252-482-3458 no yes 1420' NE house Edenton, NC 27932 Edenton, NC 27932 (# not in service) 26 689800207352 Brian and Brandi 118 Coffield Road 134 Coffield Road 252-333-0810 (Brian) irrigation for pool WSW3 yes 1200' NE house with acreage Richardson Edenton, NC 27932 Edenton, NC 27932 252-482-8767 (Brandi) * The distance (in feet) is measured from the source area to the closest corner of the property, if a water -supply well (WSW) is not present on the property. Table 1. List of Properties within 2000 Feet of the Source Area Valhalla WTP Edenton, Chowan County MAP ID Parcel Number Property Owner's Property Address Property Owner's Telephone Well Status Well ID Water Distance & Direction Property Name Address Service m Site* Description 27 689700397702 James and Connie 140 Coffield Road 2355 Virginia Road 252-221-4726 no no 1100' NE farmland Copeland Edenton, NC 27932 Edenton, NC 27932 28 689700394328 Brian and Brandi 134 Coffield Road 134 Coffield Road 252-333-0810 (Brian) no no 980' E vacant lot Richardson Edenton, NC 27932 Edenton, NC 27932 252-482-8767 (Brandi) 29 689700389906 Virginia B. Vogedes 200 Coffield Road 104 Blount Street 252-333-0063 no no 1650' E wooded acreage and Hattie Byrum Edenton, NC 27932 Edenton, NC 27932 (Ginger Vogedes) 30 689700282004 Warren Grove Baptist 122 Warren Grove Road Edenton, NC 122 Warren Grove Road 252-482-8084 no yes 1200' SE church Church 27932 Edenton, NC 27932 31 689700275313 Curtis and Barbara 108 Warren Grove Road Edenton, NC 302 Mexico Road 252-482-3077 no no 1450' SE wood and farmland Twine Edenton, NC 27932 919-212-2817 acreage 27932 32 689700271764 Geraldine W Wilson, 116 Warren Grove116 Road Edenton, NC Warren Grove Road 252-482-8125 no yes 1550' SE house Trustee Edenton, NC 27932 (James Wilson) 27932 Virginia B. Vogedes 1511 Virginia Road 104 Blount Street 252-333-0063 1270' S wood and farmland 33 689700170689 and Hattie Byrum Edenton, NC 27932 Edenton, NC 27932 (Ginger Vogedes) no no acreage 34 689700182472 Ray and Teresa 1531 Virginia Road 1531 Virginia Road 252-482-8987 inactive irrigation WSW6 yes 1200' SW house and shop Bateman Edenton, NC 27932 Edenton, NC 27932 35 689700083880 Virginia B. Vogedes Off Virginia Road 104 Blount Street 252-333-0063 no no 700' W wood and farmland and Hattie Byrum Edenton, NC 27932 (Ginger Vogedes) acreage 1537 Virginia Road 252-482-8538 36 689700184732 Thomas Birckhead 1537 Virginia Road 252-333-7461 no yes 750' SW house Edenton, NC 27932 (Thomas cell 37 689700184856 Thomas and Susan 1539 Virginia Road 1537 Virginia Road 252-482-8538 252-333-7461 inactive irrigation WSWS yes 650' SW art studio Birckhead Edenton, NC 27932 Thomas cell (approx 30' deep) * The distance (in feet) is measured from the source area to the closest corner of the property, if a water -supply well (WSW) is not present on the property. Table 2. Construction Date, Depth, Screened Interval, and Water Level Measurement for Monitoring Wells Valhalla WTP Edenton, Chowan County Well ID Date Installed Well Diameter (inches) Well Casing Depth (ft bIs) Screened Interval (ft bis) Bottom of Well (ft b1s) MW Stickup Height (ft als) Top of Casing Elevation 11/12/2015 1/24-25/2017 5/2/2017 10/2/2017 1/10/2018 7/11/2018 1/9/2018 Depth to Water Elevation of Water Depth to Water Elevation of Water Depth to Water Elevation of Water Depth to Water Elevation of Water Depth to Water Elevation of Water Depth to Water Elevation of Water Depth to Water Elevation of Water Surficial Aquifer MW1 5/6/2015 2" 0 - 2.0 2.0 - 12 12 2.93 41.02 9.63 31.39 8.04 32.98 8.11 32.91 9.71 31.31 10.34 30.68 9.83 31.19 8.79 32.23 MW2 5/6/2015 2" 0 - 2.0 2.0 - 12 12 2.96 40.96 8.29 32.67 6.68 34.28 6.94 34.02 8.57 32.39 9.19 31.77 8.52 32.44 7.65 33.31 MW3 5/6/2015 2" 0 - 2.0 2.0 - 12 12 3.08 39.70 6.46 33.24 5.40 34.30 5.55 34.15 6.92 32.78 7.19 32.51 7.23 32.47 6.18 33.52 MW17 2/6/2019 2" 0 - 3.5 3.5 - 15.5 15.5 NA, flush Shallow Yorktown Aquifer MW4 11/29/2016 2" 0 - 40 40 - 50 50 -3 34.02 22.83 1 11.19 23.53 10.49 25.42 8.60 25.57 8.45 25.14 8.88 22.63 11.39 MW5 12/2/2016 2" 0 - 48 48 - 58 58 -3 40.24 30.22 10.02 30.92 9.32 31.46 8.78 29.60 10.64 32.53 7.71 27.53 12.71 MW6 12/2/2016 2" 0 - 48 48 - 58 58 -3 37.55 28.9 8.65 29.50 8.05 29.98 7.57 31.48 6.07 30.92 6.63 28.69 8.86 MW7 12/2/2016 2" 0 - 40 40 - 50 50 -3 18.80 9.88 8.92 10.44 8.36 10.87 7.93 11.97 6.83 11.61 7.19 9.79 9.01 MW8 11/30/2016 2" 0 - 37 37 - 47 47 -3 14.89 6.36 8.53 6.88 8.01 7.28 7.61 8.18 6.71 7.97 6.92 6.38 8.51 MW9 12/1/2016 2" 0 - 40 40 - 50 50 -3 23.95 14.49 9.46 14.88 9.07 15.22 8.73 16.54 7.41 16.28 7.67 14.52 9.43 MW10 12/1/2016 2" 0 - 40 40 - 50 50 -3 20.61 11.27 9.34 11.68 8.93 12.13 8.48 12.96 7.65 12.76 7.85 11.20 9.41 MW11 11/30/2016 2" 0 - 49 49 - 58 59 NA, flush 33.84 22.92 10.92 23.62 10.22 24.12 9.72 25.05 8.79 24.74 9.10 22.96 10.88 MW12 11/30/2016 2" 0 - 40 40 - 50 50 NA, flush 41.21 27.24 13.97 28.15 13.06 28.70 12.51 29.76 11.45 29.10 12.11 27.38 13.83 MW13 11/29/2016 2" 0 - 40 40 - 50 50 3 39.73 26.06 13.67 27.11 12.62 27.80 11.93 28.65 11.08 28.05 11.68 26.22 13.51 MW14 4/12/2017 2" 0 - 41 41- 51 51 - 3 16.57 7.22 9.35 7.73 8.84 8.40 8.17 8.34 8.23 6.71 9.86 WSW5 2" 29.5 19.17 Deep Yorktown Aquifer MW2D 12/5/2016 2" 0 - 80 80 - 90 90 -3 40.79 29.45 11.34 31.76 9.03 32.17 8.62 33.47 7.32 32.97 30.91 9.88 MW9D 12/1/2016 2" 0-80 80-90 90 -3 23.19 14.14 9.05 14.68 8.51 15.09 8.10 16.19 7.00 15.85 34 14.00 9.19 MW13D 11/29/2016 2" 0-80 80-90 90 -3 39.57 27.96 11.61 28.79 10.78 29.38 10.19 30.58 8.99 30.15 !7.82 42 27.95 11.62 MW15 2/6/2019 2" 0 - 78 78 - 88 88 -3 M W 16 2/6/2019 2" 0 - 138 138 - 148 148 - 3 Castle Hayne Aquifer MW9DD 4/11/2017 2" 0 - 211 211 - 221 221 -3 24.64 11 1 11 17.43 7.21 17.74 6.90 20.1 4.54 19.04 5.60 16.55 8.09 bls = Below Land Surface als = above land surface NA = not applicable Depth to water is measured from the top of the well casing, and the well depth is measured from land surface. All measurements are in feet except for well diameter, which is in inches. Table 3. Tempoary Well Construction and Analytical Data Valhalla WTP Edenton, Chowan County Well ID Screen Interval Total Boring Depth Date Collected Chloride Total Iron Total Manganese Dissolved Iron Dissolved Manganese TW1* 16-20 28 5/25/2016 148 TW2* 16-20 20 5/25/2016 <30 TW3* 28-32 32 5/25/2016 2,257 TW4* 16-20 30 5/26/2016 921 TW5 24-28 28 5/25/2016 1,000 140,000 910 460 610 TW6* 6-10 20 5/25/2016 <30 TW7* 24-28 28 5/25/2016 549 TW8* 4-8 30 5/26/2016 999 TW9* 26-30 30 5/26/2016 500 TW10* 26-30 30 5/26/2016 1,492 TW11* 26-30 30 5/26/2016 52 TW12 16-20 30 5/26/2016 660 70,000 1500 560 1200 TW13* 16-20 20 5/26/2016 <30 TW14* 16-20 20 5/26/2016 <30 TW15* 20-24 24 5/26/2016 279 201215A NCAC 1L Standard 250 mg/L 300 ug/L 50 ug/L NSE NSE Micrograms per liter (ug/L), is equivalent to parts per billion (ppb). Milligrams per liter (mg/L), is equivalent to parts per million (ppm). Bold = Concentration exceeds Laboratory Detection Limits Shaded = Concentration exceeds the 15A NCAC 2L groundwater standard NM - not measureable (on Quantab Chloride test strip scale) * - chloride test strip (no laboratory data); highest reading from temp well NSE - no standard established F ^O ,y M In .ti O N Ln n Ln pp O N N m O .� 01 •~ •-� co lD N •� a Qp tD n ce 01 fV O N n 1!1 n GO pp V: .� In t}' .� d. O 0 M Ln M? Ln LD tD p 01 LA Ln N M n .ti O In 7 n V 0� N Ln •-1 n LD VI ^ N N^ C1 Ln n m n O 7 O N (V Ln O N-L O M N tp .� m n O N � N O O p GD M ? 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Ol O N W l\1'I Ul O\ r N V1 Q• \ O N V1 O n (n N O N O N O r N O N O N O N O N O r N O N O N E Ni N O N O — N O N O N O -- N O N O N O N O N O N O_ N O_ N O N O N O N O N O N O N O_ N O N O N O N O N O N O N O N O N O N O N O N O N O N O_ N O N O N O N O N O N O — ry. 4 r CO — V r r OD r r, V r 0 _O r r r r r ID w- r V V m to w r DO r �I V m lO w r w r V r N m Co r co r V V ID c0 > v ID Go > V W DO -II V O� IO co w V V ID w w V V 0, ID a O N N Z A N W W Z N N ON W A ON ~~ W W A N 00 A W A N ON N N N N W A N W N A N 00 N N W A W N N W N N W N W N p W N O cn N �+ A N N 0 W 0 V 0 O 0 N 0 N 0 0 00 0 V 0 t0 0 0 0 N 0 0 0 W 0 N 0 N 0 W 0 A 0 W 0 tO 0 00 0 ON 0 00 0 N 0 A 0 A 0 N 0 A 0 Ot 0 F+ 0 c r � O j r O N O Z r O r O Z N ~ A 00 p 00 p F+ O ~ O F+ r ON O t0 A A tO A t0 ON V V r ~ O tD N 00 r ON N F+ r t0 r T A v F+ A � N 0 0 0 O O O O O O 0 O O O O O O 0 N Z W N W V W N F+ V A W N F+ N V F+ F+ F+ ON F+ W V W Vi O N ON N F+ W A A O r A 00 F+ V A N p tO 00 t0 A W W 00 W A 01 O W N O N p N 00 N 00 It Di rn A O N O z N O 0 A 0 V 0 C7 0 z A 0 N 0 N 0 Ot N 00 0 O 0 N 0 �' O W N A C7 00 W 0 F+ W 0 N 0 O 0OOO 0 0 N 0 T 0 0 tO 0 r 0 O 0 O 00 0 0 0 00000000 0 0 0 000 0 0 0 0 0 0 0 0 00 C 7 3 Z In r� F+ W r 01 z cn 00 A N N N w r O Z N N Ot N N A 00 r N W V 00 F+ O W t0 r w N N A W W A co N A t0 F+ W O1 tD N F+ N W V N tO O 00 ID W A 00 (it A A r F+ OD F+ O F+ Ot N t0 F+ N A A A N N 00 W O W A N v N W N j.a 00 Ot V N O V OD N A tu to 0 b It O 0 O O O O O O O O 00000 1 O O 0000 O O b — 0) N Coil N W N W z n O N t0 N Ol F+ O z /� O N N n P A P tO A n 0 A 0 A 0 N O W N O1 01 n 0 A 0 t0 P A F+ W Ot A O F+ N F+ O A O N N N N n O N W F+ Ot A O t0 O N~ A O A o A '"'' 0 W 1" N W N A n 0 h " 0 A 0 N O OO N N n N O W V A '-' O 0 p 0 n 0 0 V1 0 0 0 0 Vl o 0 0 0 0 0 0 0 0 0 0 p o 0 O p o 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 O O o O O eD a 3 = F+ A Z n A N A Z A A W " tO n F+ F+ W O1 ~ N W 01 01 F+ N F+ N V A t0 N V V 1+ F+ V F+ F+ F+ N F+ 00 t0 W F+ N n /� 01 j.+ N N F' V W b 10 N 0 r� A F+ — '-' w N U� O O O N N- O N F+ N W V co N 00 W N N O O O O O O N F+ I- N O A ON O O O O O tO w w P O ''' O o F+ N O A 00 b < O CD 0 (D a m Z "J N Z r Ip N W Z N V z N 0 N O N O r OD r r N O lO N DO V W N ;A r V r N N Ul v N A� Ol r r ID r W N N- N O r Vl r W 00 N N W r r N r N z r r r N ^-o fD R� �I Ul ID In N I W -P W W V LD N In W "' M M Vl r Ul C N N 41 lD r �' Vl �l ID 00 N r r W W N UI W V Ln a)Vl c0 U'I �ni y It N = Z Z In W Qrn Z V w ID c0 �D '-' r N 0 01 ID Ul Co N Ul Ul Ul W Orn Q` co V ID p .A a Ul A r W '-' Ul O iD W OO �I N z 0 Orn ID Cl) 3 0 Z 17, W I''l vi W w w W- O V N W 0�1 V Vl N V O ID Go N m Oi w -11 Ql W w Ul V m 11 N N r0 m N Ul lD IO rt Cn Z N Z n O N In Z Vl N N r Z U) V N N Ul N Ol O O V -P N W pp W r U'I Ul N- O V Ul LI ID N W O cp N O r N OO O O 111 W �1 Ol O� N O O Ut �D N � r In �1 V v N N r W N !--' W w W w iD W O W O N ID N N W z N r W N ID N W N p G m \ a A ? 01 O W N O W O W r ID OO p O CO W OO N N m iD N N t0 ID � O ID V N ID ID W w co ID Ul Ill Lu Ti Ul 3 C V n A W Z z U7 00 z U7 N N z N Z Ul r N r N W r Do r V co r .A N .A ~ Wp Ul �I J� N N O ID co W w V Ut tD N m -OLLl O W 00 W��~ ID ON N O to N O N Ut N Qu N W O N N N N Oo N N r Z r N N N p rt Rl N r ID O N W DO O p W W V ID Oo N Ul V W U1 co W i> O J� �I { Ul Dl W W Ql O `G C 01 V Q1 V U) V 01 V V --1 V M Ul Ol Ol V 01 V V 01 Cl) M V In V V 01 01 V In Ol V 01 01 Cl) Ol 01 01 Cr) V �I Ul a, V V ll'1 = rn� M� tD N O ID Ul N In V 00 A Ol Ul OO 0� Ill W O 01 Ql V W r ID Ol lD Ill O O W O N Ill N ID .A .A V W co W N W O� r N V W� OO Vl O V O Ol 4A O Ol V -P �I N V V O Ol 00 V ID �J V i> N N Vl .A W D1 A r W 0 N Ln W V Fi (ll Z N Z Ip r r Z m N Z N V ID r N V N Ol r r r r O� W O Ul ? Ql OO Q• V Ill ID �. V W W 01 O r to V W ID Ul Ql r W Ul ID V A Ul W r� -P V O- N N ID N v Ul ID Z U) r ID r O r ^ O 3 Rl �I iD N W r N V r 0 V V �I Ql Ol N W Vl w Cl') O N ID N N �I V r W N C0 0o N v Ill W(n z co ID v O ]I-- .A r O CO U100 W v V A Inr rOl w rI O NID U) wV Ncn In Ul w V -Ar r ID co ID Ill r ID AID .A N ID G7 Ol 07 W -P F lZI 1�� v M O C G"i APPENDIX I COPY OF WELL ABANDONMENT RECORD WELL ABANDONMENT RECORD This torm can be used for single or multiple wells 1. Well Contractor Information: Stuart Spruill Nell Contractor Name for well owner personalh abandoning well on hissher propem 1 2193-A \( Nell Contractor Certification Number SGI Company Name 2. Well Construction Permit #: list all arrin ahle ,c ell permits it e "outin. State. Variance. Iri ection. etc ) it known 3. Tell use (check well use): Hater Supph 11 ell: Agricultural ❑Geothermal (HeatingiCoohng Supply) Industrial- Commercial Von -Water Supply Nell: ❑Aquiter Recharge OAguifer Storage and Recovery ❑Aquifer Test OEsperimental Technology OCaeothermal (Closed Loop) ❑Geothermal (Heating Cooling Retum) J. Date welllsl abandoned: 02/05/19 ❑ Mun is I pal/Public ❑Residential Water Supply (single) ❑Residential Water Supph (shared) l:- ❑Groundwater Remediation ❑Salinity Barrier ❑Stormwater Drainage ❑Subsidence Control ❑Tracer ❑Other I e\plain under 7g I �a. Nell location: CT Dixon Facilm O%ner Name Faeihq ID- ill applicable) 1623 Virginia Road Edenton 27932 Phi�sf.al \d.h c». (lt.. and lip Chowan Counn 689800104205 Paiccl ldcindicatioo \o API\ i 5b. Latitude and longitude in degrees minutes/seconds or decimal degrees: f dwell field one lat long is sutticienti 36.144419 N 76.657224 For Internal Lsc ONLN NFL( 46ANDONMENT DFT %I[ s 7a. Number of wells being abandoned: One For multiple mlecnon or non -ester suppli %ells ONLY •- v i th, cfmsinic nun abandonment. iou .an mhmtone torm 7b. Approsirnate volume of water remaining in Aell(s): _(gal.) FOR WATER SL-PPLi N'ELIS ONLY: 7c. Type of disinfectant used: 7d. Amount of disinfectant used: 7e. Sealing materials used (check all that applyl: ? Neat Cement Grout Bentonite Chips or Pellets Sand Cement Grout ❑ Div Clav * Concrete Grout ❑ Drill Cuttings ❑ Specialty Grout ❑ Gravel ❑ Bentonite Slurn ❑ Other (explain under 7g) 'f For each material selected above, provide amount of materials used: 175 gals portland cement 15 Ibs concret Provide a brief description of the abandonment procedure: Pressure grouted with grout machine Removed vault and filled top three tt with concrete S. Certification: 02/18/19 Scirnature of Certified NAlrontractor or Well (Tyner Date Rr signing this %arm. I hereb► cert!fi that the w ell(s) was (ss ere) abandoned in accordance with 15.4 .\•CHIC 02C• .0100 or 2C 0200 Well Consnntcuon Standards and that a cop% ojdus record has been provided to the w ell owner 9. Site diagram or additional well details: You may use the back of this page to provide additional well site details or well N abandonment details You may also attach additional pagts if necessary CONSTRICTION W -1 %ll_S OF WELUS) BEING ABANDONED .mach well comtru,i:-i rc—ra,s, ;1 arailable For mulnple injection or non -eater suppli %ells ONLY w-ith the same ,orisiruc non abaidanmenr, iou can suhmt nix form 6a. Well IDa: MW-9DD 6b. Total well depth: 221 (ft.) 6c. Borehole diameter: 6 (in.) 6d. Water level below ground surface: (ft.) 6e. Outer casing length (if known): A) 6f. Inner casing/tubing length lif known is 211 (ft.) 6g. Screen length (if known): 10 (ft.) Si'BMITT %I INSTRUCTIONS 10a. For All Wells: Submit this form within 30 days of completion of well abandonment to the following Division of %rater Resources. Information Processing Unit. 1617 Mail Service Center. Raleigh. NC 27699-1617 10b. For Infection N'ells: in addition to sending the form to the address in l0a above, also submit one copy of this form within 30 days of completion of well abandonment to the following Division of Water Resources. I'nderground injection Control Program, 1636 Mail Senice (enter, Raleigh. NC 27699-1636 Ik. For Hater Supply & infection Nells: In addition to sending the form to the addresses) above. also submit one cope of this form Nithin 30 days of completion of well abandonment to the county health department of the county where abandoned t" ar(1ltrta Lk-ixMi7)enf of En utonnkrnl and la lura/Rasoarces-Diilslonol Na1aRsourcc'; - 14 APPENDIX II COPY OF WELL CONSTRUCTION PERMIT NORTH CAROLINA ROY COOPER Environmental Quality Gavemor MICHAEL S. REGAN 5ecrrtary LINDA CULPEPPER lnImm Director November 28, 2018 Mr. Kevin Howard, County Manager Chowan County PO Box 1030 Edenton, North Carolina 27932 SUBJECT: Well Construction Permit No. WM0701204 Valhalla Water Treatment Plant (WTP) 1608 Virginia Road Edenton, Chowan County, North Carolina NPDES Permit No. NCO032719 Dear Mr. Howard In accordance with your application received November 20, 2018, we are forwarding herewith Well Construction Permit No. WM0701204, dated November 28, 2018, issued to Chowan County for the construction of two (2) monitoring wells located off -site of the Valhalla WTP (NPDES Permit No. NC0032719) at 1608 Virginia Road north of Edenton, Chowan County, North Carolina. The wells (MW 15 and MW16) will be located on property owned by Virginia B. Vogedes west of Virginia Road and north of Edenton, North Carolina (PIN:689700083880). This Permit will be effective from the date of its issuance until November 28, 2019 and shall be subject to the conditions and limitations as specified therein. If any parts, requirements, or limitations contained in this Permit are unacceptable to you, you have the right to an adjudicatory hearing before a hearing officer upon written demand to the Director within 30 days following receipt of this Permit, identifying the specified issues to be contended. Unless such demand is made, this Permit shall be final and binding. A Well Construction Record (GW-1) must be filled out by the driller and submitted to Division of Water Resources, Attn: Information Management, 1617 Mail Service Center, Raleigh, NC 27699-1617 within 30 days upon completion of the well construction. _ D_EQy North Carolina Department of Environmental Quality I Division of Water Resources Washington Regional Office 1943 Washington Square, Mall I Washington, North Carolina 27889 252.946.6481 Mr. Kevin Howard November 28, 2018 Page 2 of 2 If additional information or clarification is required, please contact Randy Sipe at (252) 948-3849. Sincerely, Ro" TA"" Robert Tankard, Assistant Regional Supervisor Water Quality Regional Operations Section Division of Water Resources, NCDEQ cc: Virginia B. Vogedes — 104 Blount St., Edenton, NC 27932 David Tawes — Chowan County Water Dept. (electronic copy) Katie T. Hackney, P.G. — Groundwater Management Associates, Inc. (electronic copy) WaRO WQROS 4g0D.-.EQ- ""Mir North Carolina Department of Environmental Quality I Division of Water Resources Washington Regional Office 1943 Washington Square, Mall I Washington, North Carolina 27889 252.946.6481 NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY DIVISION OF WATER RESOURCES — WATER QUALITY REGIONAL OPERATIONS SECTION PERMIT FOR THE CONSTRUCTION OF A MONITORING WELL In accordance with the provisions of Article 7, Chapter 87, North Carolina General Statutes, and other applicable Laws, Rules and Regulations. PERMISSION IS HEREBY GRANTED TO Chowan County FOR THE CONSTRUCTION OF A MONITOR WELL SYSTEM consisting of two (2) monitoring wells located off -site of the Valhalla WTP (NPDES Permit No. NC0032719) , owned by Chowan County, at 1608 Virginia Road north of Edenton, Chowan County, North Carolina. The wells (MW 15 and MW 16) will be located on property owned by Virginia B. Vogedes west of Virginia Road and north of Edenton, North Carolina (PIN:689700083880). This Permit is issued in accordance with the application received on November 20, 2018, and in conformity with specifications and supporting data, all of which are filed with the Department of Environmental Quality and are considered integral parts of this Permit. This Permit is for well construction only, and does not waive any provision or requirement of any other applicable law or regulation. Construction of any well under this Permit shall be in strict compliance with the North Carolina Well Construction Regulations and Standards (15A NCAC 02C .0100), and other State and Local Laws and regulations pertaining to well construction. If any requirements or limitations specified in this Permit are unacceptable, you have a right to an adjudicatory hearing upon written request within 30 days of receipt of this Permit. The request must be in the form of a written petition conforming to Chapter 150B of the North Carolina General Statutes and filed with the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, North Carolina 27699-6714. Unless such a demand is made, this Permit is final and binding. This Permit will be effective for one year from the date of its issuance and shall be subject to other specified conditions, limitations, or exceptions as follows: 1. Issuance of this Permit does not obligate reimbursement from State trust funds, if these wells are being installed as part of an investigation for contamination from an underground storage tank or dry cleaner incident. 2. Issuance of this Permit does not supersede any other agreement, permit, or requirement issued by another agency. 3. The well(s) shall be located and constructed as shown on the attachments submitted as part of the Permit application. ,DEr North Carolina Department of Environmental Quality I Division of Water Resources Washington Regional Office 1943 Washington Square, Mall I Washington, North Carolina 27889 252.946.6481 4. Each well shall have a Well Contractor Identification Plate in accordance with 15A NCAC 02C .0108(o). 5. Well construction records (GW-1) for each well shall be submitted to the Division of Water Resources' Information Processing Unit within 30 days of the well completion. 6. When the well is discontinued, or abandoned, it shall be abandoned in accordance with 15A NCAC 02C .0113 and a well abandonment record (GW-30) shall be submitted to the Division of Water Resources' Information Processing Unit within 30 days of the well abandonment. 7. Wells constructed below grade shall be designed to prevent down -hole contamination caused by fluid build-up in the wellhead box. The wellhead shall be equipped with a water tight seal. Permit issued the 28th day of November 2018 FOR THE NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION ROW T"" Robert Tankard, Assistant Regional Supervisor Division of Water Resources Water Quality Regional Operations Section Washington Regional Office By Authority of the Environmental Management Commission Permit No. # WM0701204 North Carolina Department of Environmental Quality I Division of Water Resources Washington Regional Office 1943 Washington Square, Mall I Washington, North Carolina 27889 252.946.6481 APPENDIX III COPIES OF WELL CONSTRUCTION RECORD I WELL CONSTRUCTION RECORD This form can be used for single or multiple well, I. Nell Contractor Information: Stuart Spruill Well Contractor Name 2193-A W %k ell C ontra�tor Certification \'umber SGI Companv Name 2. Well Construction Permit rt: List all applicable hell permus it e. Counq State, 1'armnce. lnlectu ". etc 3. N ell l 'se (check well use): N ater Supply Well: CAgncultural ❑kfunicipaLPubhc ❑Geothermal (Heating/Cooling Supply) ❑Residential Water Supply (single) ❑Industrial,Commercial ❑Residential Water Supply Ishared) :Irrigation Non -Rater Supph Nell: Monitoring :Recovery For Internal I (.ill 1 11 WATER ZONES ' FROM lO DESCRIPTI(F" f(. ft. ft. ft. FROM TO DI %METER ; THK KV I, N %TFRI %I ff. It. in. FROM I TO I DI \MFTF.R 1 i III( ti"/.1, M %TERI %I +3 it• 78 R• 2 scn40 pvc ft. I in. 17. SCREVV FROM TO DI%MFTFR ]LOT,(%F THH f.\F„ N\TFkl%I 78 rL 88 r' 2 i"' ! 10 sch40 pvc It. ft. I in. 11 GROUT FROM I TO M %TF.RI xt EMPLA(CEMENT MF THOD d AM0I ♦ I A 0 R 64 ft. cement grout pumped 64 ft- 1 66 ft- bentonite poured ft. I ft. ::Aquifer Recharge ❑Aquifer Storage and Recover ❑Aquifer Test ❑Experimental Technology ❑Geothermal (Closed I oopl ❑Geothermal(Heating 'Cooling Return ❑Groundwater Remediation ❑Salinin Barrier ❑Stormwater Drainage ❑Subsidence Control ❑Tracer =Other(explain under#_( Remarks) M &ANDIGRAVFL PACK (if a itcalle FROM I TO M 47ERI %L EMPLACEMENT METHOD 88 ft2 sand poured R. tr. 2!. DRILLING I.OG taueA atlWiaaal sleets if tiecessa FROM TO DESCRIPTIO% „olor, hardneu. sod rock ry air. ea.1 0 ft- 7 ft. brown silty sand 02/06/19 MW-15 3. Date Nelllsl Completed: \\ill IDSf Sa. Nell Location: Vir ina B Vo edes 9 9 Facility (honer Name Facility IDa (ifapplicabie) off Virginia Road Edenton 27932 7 ft.19 ft• sandy gravel silty sand 19 ft• 28 ft. dark gray silty sand 28 'L 31 ft• gray clay 31 rt• 40 it• clayey silty sand 40 ft 56 f' silty sand with shell 56 It. 90 rt. fine silty sand Phs;ical >ddre-, Citv and lip Chowan Counts # 689700083880 Parcel Identification No IPIN) 21. RB111ARKS - b. Latitude and Longitude in degrees minute, seconds or decimal degrees, 22• Certification nil -well field one IaVlong is suf icient i 36.144633 75.6600431 N W 6. Is (are) the %elllsi: Permanent or ❑Temporary 7• Is this a repair to an existing well: ❑ves or ENO 11 this to a repum fill our know n it ell contrrut non information and explain the nature of the repair under =2l remarks iecrirm or on the hack of ilu% form 8. Number of wells constructed: one 1— multiple injection or aim -stater supplt welts (l.\7. i' it Oh the same ronstrurtion t ou , on suhmu It, %firm 88 9. Total Nell depth below land surface: !'or multiple itel6 lur all depriu it Ji_ erenr (example- , a :two 10. Static water level below top of casing: IR.) It itater level it ahore ,aiorg, use " 5.5 11. Borehole diameter: fin. i mud rotary 12. Nell construction method: I e auger, rotan. cable, direct push, etc i FOR N'ATER SUPPLY WELLS ONLN 13a. \'field (gpm) Method of te,t: 13b. Disinfection type: Amount: 02/18/19 Signature at cenifie-J%Pfcontractor Date By signrng this /orirt / herebF ceraft that the well/s) was /were) comtructcd in ac,or,lanee wah l5A VCAC 02C 0100 or 15A NCAC 02C 0200 Well Cb vtrucuon Standard, and that a copf, tN this record has been provided to the w ell owner 23. Site diagram or additional well details: You may use the back of this page to provide additional well site details or well construction details You may also attach additional pages If necessary SUBMITTAL INSThCTIONS 24a. For \II Wells: Submit this form within 30 days of completion of well construction to the following Division of Water Resources. Information Processing I nit, 1617 )fail Service Center, Raleigh, NC 2'699-161' 24b. For Injection Wells ONLY: In addition to sending the form to the address in 24a above. also submit a copy of this form within 30 days of completion of well construction to the followine Division of N\ ater Resources, Underground Injection Control Program, 1636 \fail Service Center. Raleigh, NC 27699-1636 24c. For Water Supply & Injection N ells: Also submit one cope of this form within 30 days of completion of well construction to the count health department of the count where constructed Firm 6.Vk -) North ( arnlma Department of 11n%tronmen I and Natural Resources - Division of )h ater Resources Revised August 201", 1 WELL CONSTRUCTION RECORD This form can be used for single or multiple wells 1. well Contractor Information: Stuart Spruill Well Contractor Name 2193-A NC Well Contractor Certification \umber SGI Company Name 2. Well Construction Permit Y: List all applicable well permits h e Count). State. Variance, In/ection etc 3. Well Use (check well use): Water Supply Well: CAgncultural CGcothermal (Heating(Cooling Supply) C Industrial/Commercial Non-N'ater Supply Well: ❑Aquifer Recharge CAquifer Storage and Recovery ❑Aquifer Test ❑Experimental Technology CGeothermal (Closed Loop) ❑Geothermal IHeatinit/Cooling Return CMunicipal/Pubhc ❑Residential Water Supply (single) ❑Residential Water Supply (shared) ❑Groundwater Remediation CSalinio Barrier CStormWater Drainage ❑Subsidence Control ❑Tracer CChher (explain under #21 1 4. Date Well(s) Completed: 02/07/19 Well ID# MW-16 53. Well Location: Virgina B Vogedes Facilih Owner Name Facilin ID= tit applicable) off Virginia Road Edenton 27932 Physical Address. Cin. and Zip Chowan County # 689700083880 Parcel Identification No (PIN) 5b. Latitude and Longitude in degrees/minutesiseconds or decimal degrees: ifwell field, one laulong is sufficient) 36.144634 N 75.6600431 W 6. Is (arc) the well(sy [ZPermanent or ::Temporary 7. Is this a repair to an existing well: Yes or ZINo It this is a repair, fill out known %ell c onstrucuair information and explain the nature of the repair under = : I remarks section or on the hack of this farm. S. Number of wells constructed: One 1- or multiple injection or non. uater suppli ire/h ONLY u uh the satire ca svurdoa. t'ou can suhmn one form 9. Total well depth below land surface: 148 Fur multiple u eih list all depths it different texanrple- + d ]00 and ? ii ll)o' i 10. Static water level below top of casing: It water level is above casing use " 55 F- Internal I se 0\1 N 14. WATM ZONES FROM TO I DESCRIPTION ft ft. ft. fit. ISM Clang CA.9tdrf' tar oR iJDRs FROM TO DIAMETER THICTLNES4 MATERIAL ft R. in. I& BYNSR CASQYG OR RTIGNG FROM TO DIAMETER THICKNESS MATERIAL +3 a 138 ft 2 "` Sch40 pvc ft ft. in. 17. SLIUUX FROM TO DIAMETER SLOT SIZE I THICKNESS I MATERIAL 138 r` 148 ` 2 "` 10 sch40 pvc ft ft in. 11 FROM TO MATERIAL EMPLACEMENT METHOD f AMOUNT 0 f` 132 ft cement grout pumped 132 ft. 135 ft. bentonite poured ft ft It YEL PACK R FROM TO MATERIAL EMPLACEMENT METHOD 135 ft- 148 ft #2 sand poured ft ft. DGILLING LOG taftwit dditMd dmb i! FROM TO DESCInmoN (cola,. hudness. sNlh«k sm, etc. 0 ft 7 ft. brown silty sand 7 ft 19 ft sandy gravel silty sand 19 ft 28 ft dark gray silty sand 28 ft. 31 ft gray Gay 31 IL 40 ft clayey silty sand 40 ft 56 f silty sand with shell 56 ft. 148 ft. fine silty sand 2L RE11/44RKS 21 Certification: a�i � 02/18/19 Signature of Certified Well 96otractoi, Date &V signing dat )ahn. I herehy certify thar the well(s) was (were) eonsmucted in accordance with 15A NCAC 02C .0100 or 15A NCAC 02C .0200 Well ('otutruction Staitdori[ and that a copy of this record has been provided to the well owner 23. Site diagram or additional well details: You may use the back of this page to provide additional well site details or well construction details You may also attach additional pages if necessary SUBMITTAL INSTUCTIONS 24a. For All Wells: Submit this form Within 30 days of completion of well construction to the following (ft) Division of Water Resources, Information Processing Unit. 1617 Mail Sepia Center, Raleigh, NC 27699-1617 11. Borehole diameter: (in.I 24b. Eor faiection Wells ONLY: In addition to sending the to to the address in mud rota '-4a above, also submit a copy of this form within 30 days of completion of well 12. Well construction method: rotary construction to the following it e auger. rotary, cable. direct push. etc ) Division of Water Resources. Underground Injection Control Program, FOR WATER SUPPLY YELLS ONLY: 1636 Mail Service Center. Raleigh. NC 27699-1636 13a. Yield (gpm) Method of test: 24c. For Water Supply & Injection Wells: Also submit one copy of this form within 30 days of completion of 13b. Disinfection type: .amount: well construction to the county health department of the county where constructed Form GA -I North Carolina Department of Environment and Natural Resources - Division of Water Resources Revised August 20l? WELL CONSTRUCTION RECORD This farm can be used for single or multiple wells 1. Well Contractor Information: Stuart Spruill Hell Contractor Name 2193-A NC Well Contractor Certification Number SGI company Name 2. Well Construction Permit #: List all applicable wellpermits h e Counne State, fariance. Injection. etc.) 3. Well Use (check well use): ❑Agricultural ❑Munmcipal/Pubhc ❑Geothermal (Heating/Cooling Supply) ❑Residential Water Supply (single) ❑Industrial/Commercial ❑Residential Water Supply (shared) Non -Water Supply Well: ❑Aquifer Recharge ❑Groundwater Remediation ❑Aquifer Storage and Recover ❑Salmin Barrier ❑Aquifer Test ❑Stormwater Drainage ❑Experimental Technology []Subsidence Control ❑Geothermal (Closed Loop) ❑Tracer ❑Geothermal (Heating/Cooling Return) :]Other (explain under #21 Remarks) 4. Date Well(s) Completed: 02/06/19 NVell UM MW-17 Sa. Well Location: Virgina B Vogedes Facility, Owner Name Facility loss Ofapplicablet off Virginia Road Edenton 27932 Physical Address, City, and Zip Chowan County # 689700083880 Parcel Identification \ �- , PI s) Sb. Latitude and Longitude in degrees minutes/seconds or decimal degrees: I tfwell field one lat/long is sufficient I 36.144631 N 75,6600431 W 6. Is (are) the well(st: 21aermanent or ❑Temporan 7. Is this a repair to an existing well: ❑Yes or ? No If this is a repair, Jill out know n N ell,instruction Information and explain the nature of the repair paler -21 remmb section or, on the hack of this /orm. 8. Number of wells constructed: One l or multiple injection or non -water sttpp(i N ells ONLY with the same construction. cow Can . uhmit one form Total well depth below land surface: 15.5 (ft,) hor mulliple N ell, hu a/l depdm, 11 d11/ereni e,amp/r- ' ,r : nr, and 10. Static water level below top of casing: Oft) It water level o ahow casing, use " 55 For Internal Use ONLI 14. WATFR 7,OSLS -- FROM 10 DESCRIPI ION ft. fi. 15. OUTER CASING for muati-cased wells OR LI\E[t i(a 'able FROM TO DIAMETFR THICK\FPS M%TFRI NI, ft ft. in. 16. V4?= CASING OR TLB[ VG closed -loop) FROM TO DIAMETER I THR10E» M%TFRI%L 0 ft- 3.5 fL 2 in.sch40 pvc ft. ft. in. 17. SCRE:LN FROM TO DIAMETER SLOTSIZE I THICKNESS I MATERI%L. 35 ft. 15 5 ft' ! 2 in. .10 sch40 pvC ft. fr. in, lS. GROCT FROM TO MATERIAL. EMPLACEMENT METHOD S aMO1 ST 0 ft- 1 rr. concrete poured 1 ft- 2 ft- bentorite poured 19. SAND/GRAVEL PACK if FROM TO MATERIAL EMPLACEMENT METHOD 2 fL 15 5 ft- #2 sand poured R ft. 211. DMKJJNG LOG attach additional sheen if necessa FROM TO DF:(-RIPTI(l� icolor, hudnos. soil ruci, n rain tine ele.l 0 rL 7 it. brown silty sand 7 n 15.5 ft• sandy gravel ft. ft. fL ft. ft e. ft ft. it ft. I 21. REMARKS 22. Certification: 02/18/19 sip( o ertified W)Pronvactor Date 193 signing this fora(, I hereby certify that the welf(s) was (wen) constructed in accordance with /SA AACAC 02C .0/00 a 15A NCA(' 02C 0200 Well C- tri rc St—d—A oinl that a copv of Plus record has been provided to the well owner. 23. Site diagram or additional well details: You may use the back of this page to provide additional well site details or well construction details You may also attach additional pages if necessary SUBMMAL INSTUMONS 24a. For All Welts: Submit this form within 30 days of completion of well construction to the following Division of A'ater Resources, Information Processing Unit, 1617 Mail Service Center, Raleigh. NC 2'699-1617 11. Borehole diameter: (in.) 24b, For Injection Weld ONLY: In addition to sending the form to the address in mud rotary 24aabove, also submit a copy of this form within 30 days of completion of well 12. NN ell construction method: construction to the following i i c augerr,aancablc, direct push etc, I Division of Water Resources, Underground Injection Control Program, FOR WATER SUPPLY WELLS ONLY: 1636 Nail Service Center. Raleigh, NC 27699-1636 13a. field (gpm) Method of test: 24c. For Water Suppy- & Injection Wells: Also submit one copy of this form within 30 days of completion of 13b. Disinfection type: Amount: well construction to the county health department of the county where constructed F-orm CiN - I Korth Carolina Department of Envtronrnent and Natural Resources — Division of Water Resources Revised August 2013 14 APPENDIX IV TECHNICAL METHODS AND STANDARD PROCEDURES TECHNICAL METHODS AND STANDARD PROCEDURES I. MONITORING WELL INSTALLATION The construction of all monitoring wells conforms to North Carolina well construction standards (15A NCAC 2C). Well materials used include: flush -threaded PVC casing and slot 0.01-inch PVC screen; medium -grained (#2) quartz sand; bentonite pellets; and a water -tight, lockable well plug. Mud -rotary drilling was used to install all monitoring wells. A licensed well construction contractor supervised the drilling and well construction. The wells were developed by pumping. II. SURVEYING The top of casing elevations for monitoring wells MW1 through MW13, MW2D, MW9D, and MW13D were measured by Josiah A. Webb, II P.L.S. on January 14, 2017 to be accurate within 0.05 feet. The elevations of monitoring wells MW14 and MW9D casing tops were measured and tied into the existing monitoring well network by GMA staff by using an automatic level, and are accurate to within 0.01 feet. Elevations were determined relative to the datum referenced by Mr. Webb. Locations and distances were measured using a measuring tape and/or a surveyor's wheel. III. WATER -LEVEL MEASUREMENTS Depth to water within the monitoring wells was measured with an electronic water level meter that is accurate to within 0.01 feet. Standard practice is open all monitoring wells by removing the well plug and allow adequate time for the water levels to equilibrate. The water levels are then measured and recorded. IV. WELL PURGING AND COLLECTION OF GROUNDWATER SAMPLES The monitoring wells were purged of three well volumes prior to groundwater sampling using a decontaminated purge pump with new disposable polyethylene tubing was used to purge the well. Fresh, disposable vinyl gloves were worn during purging and sampling of the well. In order to determine when a well has been adequately purged and to field test water quality, GMA monitored the geochemical parameters of dissolved oxygen (DO), oxidation-reduction potential (ORP), pH, conductivity, specific conductivity, temperature, and turbidity of the groundwater removed. All field groundwater -quality monitoring was performed using a flow -through cell. Prior to purging each monitoring well the volume of water standing in the water column was determined. With respect to volume, an adequate purge is normally achieved when three well volumes have been removed. Groundwater samples were transferred directly into the laboratory supplied sampling containers (1 Liter plastic and 500 milliliter plastic) from the purge pump tubing. The samples were submitted to Prism for analysis of chloride, total manganese, dissolved manganese, total iron, and dissolved iron. The sample containers were stored in plastic Ziploc® bags and immediately placed on ice for transport to the laboratory under chain -of -custody protocol. V. SURFACE WATER SAMPLING Samples SW1, SW2, SW4, SW5, SW6, and SW7 were collected as grab samples from the body of water. Sample SW3 was collected from the underground french drain pipe that discharges into the pond. Samples SW8 and SW9 were collected utilizing a peristaltic pump and new tubing at a depth of approximately three feet below the surface of Bennett Millpond. The samples were placed in containers provided by Prism Laboratories and were submitted to Prism for analysis of chloride, total manganese, dissolved manganese, total iron, and dissolved iron. The sample containers were stored in plastic Ziploc® bags and immediately placed on ice for transport to the laboratory under chain -of -custody protocol. VI. WATER -SUPPLY WELL SAMPLING The water -supply well was purged for a minimum of five minutes prior to sample collection. Any hose was disconnected prior to sample collection in the laboratory supplied container. New disposable nitrile gloves were worn during the purging and sampling of each well. For wells without an active pump, either a peristaltic pump with new disposable polyethylene tubing, or a decontaminated purge pump with new disposable polyethylene tubing was used to purge the well. New disposable nitrile gloves were worn during the purging and sampling of each well. Groundwater samples were transferred to laboratory supplied containers for analysis. Standard procedure for chloride, total and dissolved manganese, and total and dissolved iron analysis is to collect one groundwater sample for all three analysis from the well. All sample containers were stored in plastic Ziploc® bags and were immediately placed in a cooler with ice. Samples were submitted to a Prism for analysis under chain -of -custody protocol, by courier service APPENDIX V COPY OF LABORATORY REPORT AND CHAIN -OF -CUSTODY FORM FOR GROUNDWATER AND SURFACE WATER SAMPLES Case Narrative R I S M - LA 30RATORIESS INC. Full -Service Analytical 1£ Environmental Solutions Groundwater Manage. Assoc.(GREE) Katie Hackney 4300 Sapphire Court, Suite 100 Greenville, NC 27834 NC Certification No. 402 NC Drinking Water Cert No. 37735 SC Certification No. 99012 Project: 158101 -Valhalla WTP Lab Submittal Date: 01/11/2019 Prism Work Order: 9010161 01 /24/2019 This data package contains the analytical results for the project identified above and includes a Case Narrative, Sample Results and Chain of Custody. Unless otherwise noted, all samples were received in acceptable condition and processed according to the referenced methods. Data qualifiers are flagged individually on each sample. A key reference for the data qualifiers appears at the end of this case narrative. Please call if you have any questions relating to this analytical report. Respectfully, PRISM LABORATORIES, INC. 6 /1 �'J Angela D. Overcash VP Laboratory Services Data Qualifiers Key Reference: Reviewed By Terri W. Cole For Angela D. Overcash Project Manager BRL Below Reporting Limit MDL Method Detection Limit RPD Relative Percent Difference * Results reported to the reporting limit. All other results are reported to the MDL with values between MDL and reporting limit indicated with a J. This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0543 Phone: 704/629-6364 - Toll Free Number: 1-800/529-6364 - Fax: 704/525-0409 Page 1 of 48 &P R ISM I Full -Service Analytical Environmental Solutions LABORATORIES IN4 Sample Receipt Summary 01 /24/2019 Prism Work Order: 9010161 Client Sample ID Lab Sample ID Matrix Date/Time Sampled Date/Time Received MW-1 9010161-01 Water 01/09/19 14:15 01/11/19 14:00 MW-2 9010161-02 Water 01/09/19 14:35 01/11/19 14:00 MW-3 9010161-03 Water 01/09/19 13:55 01/11/19 14:00 MW-4 9010161-04 Water 01/09/19 13:10 01/11/19 14:00 MW-5 9010161-05 Water 01/09/19 11:30 01/11/19 14:00 MW-6 9010161-06 Water 01/10/19 10:35 01/11/19 14:00 MW-7 9010161-07 Water 01/10/19 14:47 01/11/19 14:00 MW-8 9010161-08 Water 01/10/19 12:06 01/11/19 14:00 MW-9 9010161-09 Water 01/09/19 14:52 01/11/19 14:00 MW-10 9010161-10 Water 01/10/19 11:45 01/11/19 14:00 MW-11 9010161-11 Water 01/10/19 13:05 01/11/19 14:00 MW-12 9010161-12 Water 01/09/19 15:40 01/11/19 14:00 MW-13 9010161-13 Water 01/09/19 12:10 01/11/19 14:00 MW-14 9010161-14 Water 01/10/19 11:15 01/11/19 14:00 MW-2D 9010161-15 Water 01/09/19 15:00 01/11/19 14:00 MW-9D 9010161-16 Water 01/10/19 15:55 01/11/19 14:00 MW-9DD 9010161-17 Water 01/10/19 1535 01/11/19 14:00 MW-13D 9010161-18 Water 01/09/19 12:35 01/11/19 14:00 WSW-1 9010161-19 Water 01/10/19 935 01/11/19 14:00 WSW-5 9010161-20 Water 01/10/19 14:10 01/11/19 14:00 SW-1 9010161-21 Water 01/09/19 13:20 01/11/19 14:00 SW-2 9010161-22 Water 01/10/19 13:45 01/11/19 14:00 SW-3 9010161-23 Water 01/10/19 15:00 01/11/19 14:00 SW-4 9010161-24 Water 01/10/19 15:10 01/11/19 14:00 SW-5 9010161-25 Water 01/10/19 12:13 01/11/19 14:00 SW-6 9010161-26 Water 01/10/19 12:26 01/11/19 14:00 SW-7 9010161-27 Water 01/09/19 15:15 01/11/19 14:00 SW-8 9010161-28 Water 01/10/19 13:55 01/11/19 14:00 SW-9 9010161-29 Water 01/10/19 14:20 01/11/19 14:00 Samples were received in good condition at 3.0 degrees C unless otherwise noted. This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240543 - Charlotte, NC 28224-0543 Phone: 7041629.6364 - Toll Free Number: 1-800/629-6364 - Fax: 704/525-0409 Page 2 of 48 AP R I S M I Full -Service Analytical & Environmental Solutions ueorur m - Summary of Detections 01 /24/2019 Prism Work Order: 9010161 Prism ID Client ID Parameter General Method Method Result Units 9010161-01 MW-1 Chloride Anions by Ion Chromatography *300.0 4000 mg/L 9010161-01 MW-1 Iron Dissolved Metals *200.7 5.8 mg/L 9010161-01 MW-1 Manganese Dissolved Metals *200.7 5.0 mg/L 9010161-01 MW-1 Total Dissolved Solids General Chemistry Parameters *SM2540 C 6900 mg/L 9010161-01 MW-1 Iron Total Metals *200.7 8.2 mg/L 9010161-01 MW-1 Manganese Total Metals *200.7 4.8 mg/L 9010161-02 MW-2 Chloride Anions by Ion Chromatography *300.0 340 mg/L 9010161-02 MW-2 Iron Dissolved Metals *200.7 0.38 mg/L 9010161-02 MW-2 Manganese Dissolved Metals *200.7 0.051 mg/L 9010161-02 MW-2 Total Dissolved Solids General Chemistry Parameters *SM2540 C 780 mg/L 9010161-02 MW-2 Iron Total Metals *200.7 0.82 mg/L 9010161-02 MW-2 Manganese Total Metals *200.7 0.047 mg/L 9010161-03 MW-3 Chloride Anions by Ion Chromatography *300.0 710 mg/L 9010161-03 MW-3 Iron Dissolved Metals *200.7 0.60 mg/L 9010161-03 MW-3 Manganese Dissolved Metals *200.7 0.034 mg/L 9010161-03 MW-3 Total Dissolved Solids General Chemistry Parameters *SM2540 C 1300 mg/L 9010161-03 MW-3 Iron Total Metals *200.7 1.6 mg/L 9010161-03 MW-3 Manganese Total Metals *200.7 0.035 mg/L 9010161-04 MW-4 Chloride Anions by Ion Chromatography *300.0 130 mg/L 9010161-04 MW-4 Iron Dissolved Metals *200.7 0.21 mg/L 9010161-04 MW-4 Manganese Dissolved Metals *200.7 0.087 mg/L 9010161-04 MW-4 Total Dissolved Solids General Chemistry Parameters *SM2540 C 480 mg/L 9010161-04 MW-4 Iron Total Metals *200.7 0.56 mg/L 9010161-04 MW-4 Manganese Total Metals *200.7 0.076 mg/L 9010161-05 MW-5 Chloride Anions by Ion Chromatography *300.0 19 mg/L 9010161-05 MW-5 Iron Dissolved Metals *200.7 17 mg/L 9010161-05 MW-5 Manganese Dissolved Metals 200.7 0.83 mg/L 9010161-05 MW-5 Total Dissolved Solids General Chemistry Parameters 'SM2540 C 230 mg/L 9010161-05 MW-5 Iron Total Metals *200.7 26 mg/L 9010161-05 MW-5 Manganese Total Metals *200.7 0.87 mg/L 9010161-06 MW-6 Chloride Anions by Ion Chromatography *300.0 17 mg/L 9010161-06 MW-6 Iron Dissolved Metals *200.7 5.5 mg/L 9010161-06 MW-6 Manganese Dissolved Metals '200.7 0.46 mg/L 9010161-06 MW-6 Total Dissolved Solids General Chemistry Parameters *SM2540 C 250 mg/L 9010161-06 MW-6 Iron Total Metals *200.7 22 mg/L 9010161-06 MW-6 Manganese Total Metals 200.7 0.48 mg/L 9010161-07 MW-7 Chloride Anions by Ion Chromatography *300.0 1200 mg/L 9010161-07 MW-7 Iron Dissolved Metals *200.7 69 mg/L 9010161-07 MW-7 Manganese Dissolved Metals *200.7 1.9 mg/L 9010161-07 MW-7 Total Dissolved Solids General Chemistry Parameters *SM2540 C 2300 mg/L 9010161-07 MW-7 Iron Total Metals *200.7 110 mg/L 9010161-07 MW-7 Manganese Total Metals *200.7 1.9 mg/L 9010161-08 MW-8 Chloride Anions by Ion Chromatography *300.0 700 mg/L 9010161-08 MW-8 Iron Dissolved Metals *200.7 6.8 mg/L This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 704/629-6364 - Toll Free Number: 1-800/529.6364 - Fax: 704/525-0409 Page 3 of 48 Summary of Detections ////y S Full -Service Analytical & ,!P R I M Environmental Solutions 01/24/2019 UBO 0111- INC. Prism Work Order: 9010161 Prism ID Client ID Parameter General Method Method Result Units 9010161-08 MW-8 Manganese Dissolved Metals '200.7 1.1 mg/L 9010161-08 MW-8 Total Dissolved Solids General Chemistry Parameters 'SM2540 C 1300 mg/L 9010161-08 MW-8 Iron Total Metals '200.7 24 mg/L 9010161-08 MW-8 Manganese Total Metals '200.7 1.1 mg/L 9010161-09 MW-9 Chloride Anions by Ion Chromatography '300.0 7000 mg/L 9010161-09 MW-9 Iron Dissolved Metals '200.7 410 mg/L 9010161-09 MW-9 Manganese Dissolved Metals '200.7 11 mg/L 9010161-09 MW-9 Total Dissolved Solids General Chemistry Parameters 'SM2540 C 11000 mg/L 9010161-09 MW-9 Iron Total Metals '200.7 410 mg/L 9010161-09 MW-9 Manganese Total Metals '200.7 10 mg/L 9010161-10 MW-10 Chloride Anions by Ion Chromatography '300.0 62 mg/L 9010161-10 MW-10 Iron Dissolved Metals '200.7 16 mg/L 9010161-10 MW-10 Manganese Dissolved Metals '200.7 0.35 mg/L 9010161-10 MW-10 Total Dissolved Solids General Chemistry Parameters 'SM2540 C 220 mg/L 9010161-10 MW-10 Iron Total Metals '200.7 19 mg/L 9010161-10 MW-10 Manganese Total Metals '200.7 0.36 mg/L 9010161-11 MW-11 Chloride Anions by Ion Chromatography '300.0 760 mg/L 9010161-11 MW-11 Iron Dissolved Metals '200.7 77 mg/L 9010161-11 MW-11 Manganese Dissolved Metals '200.7 1.9 mg/L 9010161-11 MW-11 Total Dissolved Solids General Chemistry Parameters 'SM2540 C 1500 mg/L 9010161-11 MW-11 Iron Total Metals '200.7 120 mg/L 9010161-11 MW-11 Manganese Total Metals '200.7 1.8 mg/L 9010161-12 MW-12 Chloride Anions by Ion Chromatography '300.0 3300 mg/L 9010161-12 MW-12 Iron Dissolved Metals '200.7 97 mg/L 9010161-12 MW-12 Manganese Dissolved Metals '200.7 3.5 mg/L 9010161-12 MW-12 Total Dissolved Solids General Chemistry Parameters 'SM2540 C 5400 mg/L 9010161-12 MW-12 Iron Total Metals '200.7 120 mg/L 9010161-12 MW-12 Manganese Total Metals '200.7 3.5 mg/L 9010161-13 MW-13 Chloride Anions by Ion Chromatography '300.0 21 mg/L 9010161-13 MW-13 Iron Dissolved Metals '200.7 1.6 mg/L 9010161-13 MW-13 Manganese Dissolved Metals '200.7 0.23 mg/L 9010161-13 MW-13 Total Dissolved Solids General Chemistry Parameters 'SM2540 C 290 mg/L 9010161-13 MW-13 Iron Total Metals '200.7 5.4 mg/L 9010161-13 MW-13 Manganese Total Metals '200.7 0.24 mg/L 9010161-14 MW-14 Chloride Anions by Ion Chromatography '300.0 6.9 mg/L 9010161-14 MW-14 Iron Dissolved Metals '200.7 0.71 mg/L 9010161-14 MW-14 Manganese Dissolved Metals '200.7 0.11 mg/L 9010161-14 MW-14 Total Dissolved Solids General Chemistry Parameters 'SM2540 C 340 mg/L 9010161-14 MW-14 Iron Total Metals '200.7 1.5 mg/L 9010161-14 MW-14 Manganese Total Metals '200.7 0.12 mg/L 9010161-15 MW-2D Chloride Anions by Ion Chromatography '300.0 2300 mg/L 9010161-15 MW-2D Iron Dissolved Metals '200.7 24 mg/L 9010161-15 MW-2D Manganese Dissolved Metals '200.7 4.6 mg/L 9010161-15 MW-21) Total Dissolved Solids General Chemistry Parameters 'SM2540 C 3800 mg/L 9010161-15 MW-2D Iron Total Metals '200.7 46 mg/L This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240543 - Charlotte, NC 28224-0543 Phone: 7041529-6364 - Toll Free Number: 1.800/529-6364 - Fax: 704/626-0409 Page 4 of 48 ANPR I S M ( Full -Service Analytical Environmental Solutions Summary of Detections 01 /24/2019 Prism Work Order: 9010161 Prism ID Client ID Parameter General Method Method Result Units 9010161-15 MW-2D Manganese Total Metals *200.7 4.6 mg/L 9010161-16 MW-9D Chloride Anions by Ion Chromatography *300.0 6900 mg/L 9010161-16 MW-9D Iron Dissolved Metals *200.7 110 mg/L 9010161-16 MW-9D Manganese Dissolved Metals *200.7 1.3 mg/L 9010161-16 MW-9D Total Dissolved Solids General Chemistry Parameters *SM2540 C 12000 mg/L 9010161-16 MW-9D Iron Total Metals *200.7 130 mg/L 9010161-16 MW-9D Manganese Total Metals *200.7 1.3 mg/L 9010161-17 MW-9DD Chloride Anions by Ion Chromatography *300.0 280 mg/L 9010161-17 MW-9DD Iron Dissolved Metals *200.7 1.7 mg/L 9010161-17 MW-9DD Manganese Dissolved Metals *200.7 0.15 mg/L 9010161-17 MW-9DD Total Dissolved Solids General Chemistry Parameters *SM2540 C 820 mg/L 9010161-17 MW-9DD Iron Total Metals *200.7 2.0 mg/L 9010161-17 MW-9DD Manganese Total Metals *200.7 0.15 mg/L 9010161-18 MW-13D Chloride Anions by Ion Chromatography *300.0 13 mg/L 9010161-18 MW-13D Iron Dissolved Metals *200.7 0.42 mg/L 9010161-18 MW-13D Manganese Dissolved Metals *200.7 0.089 mg/L 9010161-18 MW-13D Total Dissolved Solids General Chemistry Parameters *SM2540 C 230 mg/L 9010161-18 MW-13D Iron Total Metals *200.7 1.1 mg/L 9010161-18 MW-13D Manganese Total Metals *200.7 0.098 mg/L 9010161-19 WSW-1 Chloride Anions by Ion Chromatography *300.0 78 mg/L 9010161-19 WSW-1 Total Dissolved Solids General Chemistry Parameters *SM2540 C 630 mg/L 9010161-20 WSW-5 Chloride Anions by Ion Chromatography *300.0 910 mg/L 9010161-20 WSW-5 Manganese Dissolved Metals *200.7 0.45 mg/L 9010161-20 WSW-5 Total Dissolved Solids General Chemistry Parameters *SM2540 C 1500 mg/L 9010161-20 WSW-5 Iron Total Metals *200.7 0.10 mg/L 9010161-20 WSW-5 Manganese Total Metals *200.7 0.48 mg/L 9010161-21 SW-1 Chloride Anions by Ion Chromatography *300.0 29 mg/L 9010161-21 SW-1 Iron Dissolved Metals *200.7 2.0 mg/L 9010161-21 SW-1 Manganese Dissolved Metals *200.7 0.061 mg/L 9010161-21 SW-1 Total Dissolved Solids General Chemistry Parameters *SM2540 C 160 mg/L 9010161-21 SW-1 Iron Total Metals *200.7 3.2 mg/L 9010161-21 SW-1 Manganese Total Metals *200.7 0.053 mg/L 9010161-22 SW-2 Chloride Anions by Ion Chromatography *300.0 31 mg/L 9010161-22 SW-2 Iron Dissolved Metals 200.7 0.31 mg/L 9010161-22 SW-2 Manganese Dissolved Metals *200.7 0.038 mg/L 9010161-22 SW-2 Total Dissolved Solids General Chemistry Parameters *SM2540 C 160 mg/L 9010161-22 SW-2 Iron Total Metals *200.7 0.42 mg/L 9010161-22 SW-2 Manganese Total Metals *200.7 0.044 mg/L 9010161-23 SW-3 Chloride Anions by Ion Chromatography *300.0 540 mg/L 9010161-23 SW-3 Iron Dissolved Metals *200.7 4.0 mg/L 9010161-23 SW-3 Manganese Dissolved Metals *200.7 0.11 mg/L 9010161-23 SW-3 Total Dissolved Solids General Chemistry Parameters *SM2540 C 1000 mg/L 9010161-23 SW-3 Iron Total Metals *200.7 8.1 mg/L 9010161-23 SW-3 Manganese Total Metals *200.7 0.11 mg/L 9010161-24 SW-4 Chloride Anions by Ion Chromatography *300.0 230 mg/L This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240543 - Charlotte, NC 28224-0543 Phone: 704/629-6364 - Toll Free Number: 1-800/529-6364 - Fax: 704/525-0409 Page 5 of 48 jFP I S M I Full -Service Analytical Environmental Solutions - ` ueoruron E., - Summary of Detections 01 /24/2019 Prism Work Order: 9010161 Prism ID Client ID Parameter General Method Method Result Units 9010161-24 SW-4 Iron Dissolved Metals *200.7 0.40 mg/L 9010161-24 SW-4 Manganese Dissolved Metals *200.7 0.072 mg/L 9010161-24 SW-4 Total Dissolved Solids General Chemistry Parameters *SM2540 C 490 mg/L 9010161-24 SW-4 Iron Total Metals *200.7 0.63 mg/L 9010161-24 SW-4 Manganese Total Metals *200.7 0.072 mg/L 9010161-25 SW-5 Chloride Anions by Ion Chromatography *300.0 310 mg/L 9010161-25 SW-5 Iron Dissolved Metals *200.7 0.91 mg/L 9010161-25 SW-5 Manganese Dissolved Metals *200.7 0.069 mg/L 9010161-25 SW-5 Total Dissolved Solids General Chemistry Parameters *SM2540 C 600 mg/L 9010161-25 SW-5 Iron Total Metals *200.7 1.4 mg/L 9010161-25 SW-5 Manganese Total Metals *200.7 0.085 mg/L 9010161-26 SW-6 Chloride Anions by Ion Chromatography *300.0 380 mg/L 9010161-26 SW-6 Iron Dissolved Metals *200.7 0.50 mg/L 9010161-26 SW-6 Manganese Dissolved Metals *200.7 0.092 mg/L 9010161-26 SW-6 Total Dissolved Solids General Chemistry Parameters *SM2540 C 1000 mg/L 9010161-26 SW-6 Iron Total Metals *200.7 0.72 mg/L 9010161-26 SW-6 Manganese Total Metals *200.7 0.096 mg/L 9010161-27 SW-7 Chloride Anions by Ion Chromatography *300.0 630 mg/L 9010161-27 SW-7 Manganese Dissolved Metals *200.7 0.030 mg/L 9010161-27 SW-7 Total Dissolved Solids General Chemistry Parameters *SM2540 C 1400 mg/L 9010161-27 SW-7 Manganese Total Metals *200.7 0.048 mg/L 9010161-28 SW-8 Chloride Anions by Ion Chromatography *300.0 34 mg/L 9010161-28 SW-8 Iron Dissolved Metals *200.7 0.26 mg/L 9010161-28 SW-8 Manganese Dissolved Metals *200.7 0.025 mg/L 9010161-28 SW-8 Total Dissolved Solids General Chemistry Parameters *SM2540 C 160 mg/L 9010161-28 SW-8 Iron Total Metals *200.7 0.37 mg/L 9010161-28 SW-8 Manganese Total Metals *200.7 0.023 mg/L 9010161-29 SW-9 Chloride Anions by Ion Chromatography *300.0 53 mg/L 9010161-29 SW-9 Iron Dissolved Metals *200.7 0.23 mg/L 9010161-29 SW-9 Manganese Dissolved Metals *200.7 0.014 mg/L 9010161-29 SW-9 Total Dissolved Solids General Chemistry Parameters *SM2540 C 180 mg/L 9010161-29 SW-9 Iron Total Metals *200.7 0.34 mg/L 9010161-29 SW-9 Manganese Total Metals *200.7 0.013 mg/L This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0543 Phone: 704/629.6364 - Toll Free Number: 1.800/529-6364 - Fax: 704/526-0409 Page 6 of 48 P R ISM Full -Service Analytical s Environmental Solutions LABORATORIES INC. Laboratory Report 01 /24/2019 Groundwater Manage. Assoc.(GREE) Project: 158101 -Valhalla WTP Client Sample ID: MW-1 Attn: Katie Hackney Prism Sample ID: 9010161-01 4300 Sapphire Court, Suite 100 Prism Work Order: 9010161 Greenville, NC 27834 Sample Matrix: Water Time Collected: 01/09/19 14:15 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 4000 mg/L 100 12 100 *300.0 1/16/19 13:31 BMS P9A0262 Dissolved Metals Iron 5.8 mg/L 0.10 0.049 1 *200.7 1/17119 16:13 JAB P9A0236 Manganese 5.0 mg/L 0.010 0.0012 1 *200.7 1/17/19 16:13 JAB P9A0236 General Chemistry Parameters Total Dissolved Solids 6900 mg/L 100 17 1 `SM2540 C 1116/19 16:09 SLS P9A0280 Total Metals Iron 8.2 mg/L 0.10 0.044 1 *200.7 1/16/19 11:32 JAB P9A0210 Manganese 4.8 mg/L 0.010 0.0012 1 *200.7 1/16/19 11:32 JAB PSA0210 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 7041629-6364 - Toll Free Number: 1-8001529-6364 - Fax: 704/526-0409 Page 7 of 48 iP R I S M Full -Service Analytical s Environmental Solutions LABORATORIES. - Laboratory Report 01 /24/2019 Groundwater Manage. Assoc.(GREE) Project: 158101 -Valhalla WTP Client Sample ID: MW-2 Attn: Katie Hackney Prism Sample ID: 9010161-02 4300 Sapphire Court, Suite 100 Prism Work Order: 9010161 Greenville, NC 27834 Sample Matrix: Water Time Collected: 01/09/19 14:35 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 340 mg/L 10 1.2 10 *300.0 1/16/19 13:47 BMS PSA0262 Dissolved Metals Iron 0.38 mg/L 0.10 0.049 1 *200.7 1117119 16:40 JAB P9A0236 Manganese 0.051 mg/L 0.010 0.0012 1 `200.7 1/17/19 16:40 JAB PSA0236 General Chemistry Parameters Total Dissolved Solids 780 mg/L 5o 17 1 'SM2540 C 1/14/19 16:25 SLS P9A0238 Total Metals Iron 0.82 mg/L 0.10 0.044 1 *200.7 1/16/19 12:08 JAB P9A0210 Manganese 0.047 mg/L 0.010 0.0012 1 `200.7 1/16/19 12:08 JAB P9A0210 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240543 - Charlotte, NC 28224-0643 Phone: 704/529-6364 - Toll Free Number: 1-800/529-6364 - Fax: 704/525-0409 Page 8 of 48 I `- M I Environmental Analytical & JEnvironmental Solutions LABORATORIES ING Groundwater Manage. Assoc.(GREE) Attn: Katie Hackney 4300 Sapphire Court, Suite 100 Greenville, NC 27834 Project: 158101 - Valhalla WTP Sample Matrix: Water Laboratory Report 01 /24/2019 Client Sample ID: MW-3 Prism Sample ID: 9010161-03 Prism Work Order: 9010161 Time Collected: 01/09/19 13:55 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 710 mg/L 10 1.2 10 *300.0 1/16/19 14:03 BMS P9A0262 Dissolved Metals Iron 0.60 mg/L 0.10 0.049 1 *200.7 1/17/19 16:49 JAB P9A0236 Manganese 0.034 mg/L 0.010 0.0012 1 *200.7 1/17/19 16:49 JAB P9A0236 General Chemistry Parameters Total Dissolved Solids 1300 mg/L 50 17 1 *SM2540 C 1/14/19 16:26 SLS P9A0238 Total Metals Iron 1.6 mg/L 0.10 0.044 1 *200.7 1/16/19 12:17 JAB P9A0210 Manganese 0.035 mg/L 0.010 0.0012 1 *200.7 1/16/19 12:17 JAB P9A0210 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240543 - Charlotte, NC 28224-0643 Phone: 7041529.6364 - Toll Free Number: 1-800/629-6364 - Fax: 704/525-0409 Page 9 of 48 Laboratory Report 6PAR ISM I Full -Service Analytical & Environmental Solutions Ol /24/2019 -"' LABORATORIEE. INC. Groundwater Manage. Assoc.(GREE) Project: 158101 -Valhalla WTP Client Sample ID: MW-4 Attn: Katie Hackney Prism Sample ID: 9010161-04 4300 Sapphire Court, Suite 100 Prism Work Order: 9010161 Greenville, NC 27834 Sample Matrix: Water Time Collected: 01/09/19 13:10 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 130 mg/L 1.0 0.12 1 *300.0 1/16/19 14:44 BMS P9A0227 Dissolved Metals Iron 0.21 mg/L 0.10 0.049 1 *200.7 1/17/19 16:58 JAB P9A0236 Manganese 0.087 mg/L 0.010 0.0012 1 *200.7 1/17/19 16:58 JAB P9A0236 General Chemistry Parameters Total Dissolved Solids 480 mg/L 50 17 1 "SM2540 C 1/14/19 16:25 SLS P9A0238 Total Metals Iron 0.66 mg/L 0.10 0.044 1 •200.7 1116119 12:26 JAB P9A0210 Manganese 0.076 mg/L 0.010 0.0012 1 *200.7 1116119 12:26 JAB P9A0210 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240543 - Charlotte, NC 28224-0643 Phone: 704/529-6364 - Toll Free Number: 1-800/529-6364 - Fax: 704/626-0409 Page 10 of 48 &RIRISM I Full -Service Analytical Environmental Solutions ueosnroni— — Groundwater Manage. Assoc.(GREE) Attn: Katie Hackney 4300 Sapphire Court, Suite 100 Greenville, NC 27834 Project: 158101 - Valhalla WTP Sample Matrix: Water Laboratory Report 01 /24/2019 Client Sample ID: MW-5 Prism Sample ID: 9010161-05 Prism Work Order: 9010161 Time Collected: 01/09/19 11:30 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 19 mg/L 1.0 0.12 1 *300.0 1116119 15:00 BMS P9A0227 Dissolved Metals Iron 17 mg/L 0.10 0.049 1 *200.7 1/17119 17:07 JAB P9A0236 Manganese 0.83 mg/L 0.010 0.0012 1 *200.7 1117/19 17:07 JAB PSA0236 General Chemistry Parameters Total Dissolved Solids 230 mg/L 50 17 1 'SM2540 C 1/14/19 16:48 SLS P9A0238 Total Metals Iron 26 mg/L 0.10 0.044 1 *200.7 1/16/19 12:35 JAB P9A0210 Manganese 0.87 mg/L 0.010 0.0012 1 *200.7 1116/19 12:36 JAB P9A0210 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0543 Phone: 7041629-6364 - Toll Free Number: 1-800/629-6364 - Fax: 704/525-0409 Page 11 of 48 &P R I S M I Full Service Analytical s Environmental Solutions � ueonwr—m — Laboratory Report 01 /24/2019 Groundwater Manage. Assoc.(GREE) Project: 158101 -Valhalla WTP Client Sample ID: MW-6 Attn: Katie Hackney Prism Sample ID: 9010161-06 4300 Sapphire Court, Suite 100 Prism Work Order: 9010161 Greenville, NC 27834 Sample Matrix: Water Time Collected: 01/10/19 10:35 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor DaterTime ID Anions by Ion Chromatography Chloride 17 mg/L 1.0 0.12 1 *300.0 1/16/19 16:16 BMS P9A0227 Dissolved Metals Iron 5.6 mg/L 0.10 0.049 1 `200.7 1117/19 17:16 JAB P9A0236 Manganese 0.46 mg/L 0.010 0.0012 1 *200.7 1/17/19 17:16 JAB P9A0236 General Chemistry Parameters Total Dissolved Solids 250 mg/L 100 17 1 'SM2540 C 1116119 16:09 SLS P9A0280 Total Metals Iron 22 mg/L 0.10 0.044 1 *200.7 1/16/19 12:44 JAB PSA0210 Manganese 0.48 mg/L 0.010 0.0012 1 *200.7 1/16119 12:44 JAB P9A0210 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240543 - Charlotte, NC 28224.0643 Phone: 704/629-6364 - Toll Free Number: 1-800/629-6364 - Fax: 704/625-0409 Page 12 of 48 /A21M.) R I S M I Full -Service Analytical Environmental Solutions —� ueonnronres — Laboratory Report 01 /24/2019 Groundwater Manage. Assoc.(GREE) Project: 158101 -Valhalla WTP Client Sample ID: MW-7 Attn: Katie Hackney Prism Sample ID: 9010161-07 4300 Sapphire Court, Suite 100 Prism Work Order: 9010161 Greenville, NC 27834 Sample Matrix: Water Time Collected: 01/10/19 14:47 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date(Time ID Anions by Ion Chromatography Chloride 1200 mg/L 10 1.2 10 *300.0 1116/19 14:19 BMS P9A0262 Dissolved Metals Iron 69 mg/L 0.10 0.049 1 *200.7 1/17/19 17:26 JAB P9A0236 Manganese 1.9 mg/L 0.010 0.0012 1 `200.7 1/17119 17:26 JAB P9A0236 General Chemistry Parameters Total Dissolved Solids 2300 mg/L 250 17 1 'SM2640 C 1/16/19 16:09 SLS P9A0280 Total Metals Iron 110 mg/L 0.10 0.044 1 `200.7 1/16/19 12:63 JAB P9A0210 Manganese 1.9 mg/L 0.010 0.0012 1 *200.7 1/16/19 12:63 JAB P9A0210 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240543 - Charlotte, NC 28224-0543 Phone: 704/629.6364 - Toll Free Number: 1-800/529-6364 - Fax: 704/626-0409 Page 13 of 48 &PRISM ( Full -Service Analytical Environmental Solutions UBORATORIES ING Groundwater Manage. Assoc.(GREE) Attn: Katie Hackney 4300 Sapphire Court, Suite 100 Greenville. NC 27834 Project: 158101 -Valhalla WTP Sample Matrix: Water Laboratory Report 01 /24/2019 Client Sample ID: MW-8 Prism Sample ID: 9010161-08 Prism Work Order: 9010161 Time Collected: 01/10/19 12:06 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 700 mg/L 10 1.2 10 *300.0 1/16119 14:36 BMS P9A0262 Dissolved Metals Iron 6.8 mg/L 0.10 0.049 1 *200.7 1/17/19 17:36 JAB P9A0236 Manganese 1.1 mg/L 0.010 0.0012 1 *200.7 1117/19 17:35 JAB P9A0236 General Chemistry Parameters Total Dissolved Solids 1300 mg/L 5o 17 1 'SM2540 C 1/17/19 16:00 SLS P9A0301 Total Metals Iron 24 mg/L 0.10 0.044 1 `200.7 1/16/19 13:02 JAB P9A0210 Manganese 1.1 mg/L 0.010 0.0012 1 *200.7 1/16/19 13:02 JAB P9A0210 This report should not be reproduced, except in its entirety. without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240543 - Charlotte, NC 28224-0643 Phone: 704/629.6364 - Toll Free Number: 1-800/629-6364 - Fax: 704/625-0409 Page 14 of 48 PAR I S M I Laboratory Report Full -Service Analytical 8 Environmental Solutions 01/24/2019 LABORATORIES ING Groundwater Manage. Assoc.(GREE) Project: 158101 -Valhalla WTP Client Sample ID: MW-9 Attn: Katie Hackney Prism Sample ID: 9010161-09 4300 Sapphire Court, Suite 100 Prism Work Order: 9010161 Greenville, NC 27834 Sample Matrix: Water Time Collected: 01/09/19 14:52 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Datefrime ID Anions by Ion Chromatography Chloride 7000 mg/L 100 12 100 *300.0 1/16/19 15:23 BMS P9A0262 Dissolved Metals Iron 410 mg/L 1.0 0.49 10 *200.7 1/21/19 10:66 JAB P9A0236 Manganese 11 mg/L 0.10 0.012 10 *200.7 1/21/19 10:55 JAB P9A0236 General Chemistry Parameters Total Dissolved Solids 11000 mg/L 250 17 1 `SM2540 C 1116119 16:22 SLS P9A0280 Total Metals Iron 410 mg/L 1.0 0.44 10 *200.7 1/21/19 10:46 JAB P9A0210 Manganese 10 mg/L 0.10 0.012 10 `200.7 1/21/19 10:46 JAB P9A0210 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 7041629-6364 - Toll Free Number: 1-800/629-6364 - Fax: 704/626-0409 Page 15 of 48 Laboratory Report Analytical & I S M Environmental &GP Enronmental Solutions R 01/24/2019 -$ LABORATOn- m. Groundwater Manage. Assoc.(GREE) Project: 158101 -Valhalla WTP Client Sample ID: MW-10 Attn: Katie Hackney Prism Sample ID: 9010161-10 4300 Sapphire Court, Suite 100 Prism Work Order: 9010161 Greenville, NC 27834 Sample Matrix: Water Time Collected: 01/10/19 11:45 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 62 mg/L 1.0 0.12 1 *300.0 1/17119 16:44 BMS P9A0298 Dissolved Metals Iron 16 mg/L 0.10 0.049 1 *200.7 1/17119 17:53 JAB P9A0236 Manganese 0.35 mg/L 0.010 0.0012 1 *200.7 1/17/19 17:53 JAB P9A0236 General Chemistry Parameters Total Dissolved Solids 220 mg/L 50 17 1 `SM2640 C 1/16/19 16:22 SLS P9A0280 Total Metals Iron 19 mg/L 0.10 0.044 1 `200.7 1/16119 13:36 JAB P9A0210 Manganese 0.36 mg/L 0.010 0.0012 1 *200.7 1/16/19 13:36 JAB P9A0210 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0543 Phone: 704/629-6364 - Toll Free Number: 1-800/629.6364 - Fax: 7041525-0409 Page 16 of 48 &GP R I S M I Funvll-Service Analytical s �e Eironmental Solutions �I� uao�roAr$ �G Groundwater Manage. Assoc.(GREE) Attn: Katie Hackney 4300 Sapphire Court, Suite 100 Greenville, NC 27834 Project: 158101 -Valhalla WTP Sample Matrix: Water Laboratory Report 01 /24/2019 Client Sample ID: MW-11 Prism Sample ID: 9010161-11 Prism Work Order: 9010161 Time Collected: 01/10/19 13:05 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 760 mg/L 10 1.2 10 *300.0 1/16/19 16:66 BMS P9A0262 Dissolved Metals Iron 77 mg/L 0.10 0.049 1 `200.7 1/21/19 11:04 JAB P9A0236 Manganese 1.9 mg/L 0.010 0.0012 1 *200.7 1/21/19 11:04 JAB P9A0236 General Chemistry Parameters Total Dissolved Solids 1600 mg/L 260 17 1 'SM2640 C 1/16/19 16:22 SLS P9A0280 Total Metals Iron 120 mg/L 0.10 0.044 1 *200.7 1/16/19 13:64 JAB P9A0210 Manganese 1.8 mg/L 0.010 0.0012 1 *200.7 1/16/19 13:64 JAB PSA0210 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 704/529.6364 - Toll Free Number: 1-800/629-6364 - Fax: 704/625-0409 Page 17 of 48 ,A2111) R I S M I Full -Service Analytical Environmental Solutions us«uronss inc Groundwater Manage. Assoc.(GREE) Attn: Katie Hackney 4300 Sapphire Court, Suite 100 Greenville, NC 27834 Project: 158101 -Valhalla WTP Sample Matrix: Water Laboratory Report 01 /24/2019 Client Sample ID: MW-12 Prism Sample ID: 9010161-12 Prism Work Order: 9010161 Time Collected: 01/09/19 15:40 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 3300 mg/L 100 12 100 *300.0 1/17/19 17:16 BMS P9A0298 Dissolved Metals Iron 97 mg/L 0.10 0.049 1 *200.7 1/21/19 11:19 JAB P9A0236 Manganese 3.5 mg/L 0.010 0.0012 1 *200.7 1/21/19 11:19 JAB P9A0236 General Chemistry Parameters Total Dissolved Solids 5400 mg/L 50 17 1 'SM2640 C 1/14/19 16:48 SLS P9A0238 Total Metals Iron 120 mg/L 0.10 0.044 1 *200.7 1/16/19 14:03 JAB P9A0210 Manganese 3.6 mg/L 0.010 0.0012 1 *200.7 1/16/19 14:03 JAB P9A0210 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 7041629-6364 - Toll Free Number: 1-800/629.6364 - Fax: 7041626-0409 Page 18 of 48 /AGIUR ISM I Full -Service Analytical d Environmental Solutions LABORATORIES INC, Groundwater Manage. Assoc.(GREE) Attn: Katie Hackney 4300 Sapphire Court, Suite 100 Greenville, NC 27834 Project: 158101 -Valhalla WTP Sample Matrix: Water Laboratory Report 01 /24/2019 Client Sample ID: MW-13 Prism Sample ID: 9010161-13 Prism Work Order: 9010161 Time Collected: 01/09/19 12:10 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 21 mg/L 1.0 0.12 1 *300.0 1/15/19 18:12 BMS P9A0227 Dissolved Metals Iron 1.6 mg/L 0.10 0.049 1 *200.7 1/21/19 11:28 JAB P9A0236 Manganese 0.23 mg/L 0.010 0.0012 1 *200.7 1/21/19 11:28 JAB P9A0236 General Chemistry Parameters Total Dissolved Solids 290 mg/L 50 17 1 "SM2540 C 1/14/19 16:48 SLS P9A0238 Total Metals Iron 5.4 mg/L 0.10 0.044 1 `200.7 1/16/19 14:13 JAB P9A0210 Manganese 0.24 mg/L 0.010 0.0012 1 *200.7 1116/19 14:13 JAB P9A0210 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240543 - Charlotte, NC 28224-0643 Phone: 704/529-6364 - Toll Free Number: 1-800/629-6364 - Fax: 704/626-0409 Page 19 of 48 �PR ISM Full -Service Analytical Environmental Solutions ueonnroniEs — Laboratory Report 01 /24/2019 Groundwater Manage. Assoc.(GREE) Project: 158101 - Valhalla WTP Client Sample ID: MW-14 Attn: Katie Hackney Prism Sample ID: 9010161-14 4300 Sapphire Court, Suite 100 Prism Work Order: 9010161 Greenville, NC 27834 Sample Matrix: Water Time Collected: 01/10/19 11:15 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Datefrime ID Anions by Ion Chromatography Chloride 6.9 mg/L 1.0 0.12 1 *300.0 1/16119 18:28 BMS P9A0227 Dissolved Metals Iron 0.71 mg/L 0.10 0.049 1 *200.7 1/21119 11:37 JAB P9A0236 Manganese 0.11 mg/L 0.010 0.0012 1 *200.7 1/21119 11:37 JAB P9A0236 General Chemistry Parameters Total Dissolved Solids 340 mg/L 50 17 1 'SM2540 C 1/16/19 16:22 SLS P9A0280 Total Metals Iron 1.5 mg/L 0.10 0.044 1 *200.7 1/16/19 14:22 JAB P9A0210 Manganese 0.12 mg/L 0.010 0.0012 1 *200.7 1/16/19 14:22 JAB P9A0210 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 7041529-6364 - Toll Free Number: 1-800/529-6364 - Fax: 704/625-0409 Page 20 of 48 /ArOURISM I Full -Service Analytical s Environmental Solutions LABORATO 1- NG Groundwater Manage. Assoc.(GREE) Attn: Katie Hackney 4300 Sapphire Court, Suite 100 Greenville, NC 27834 Project: 158101 -Valhalla WTP Sample Matrix: Water Laboratory Report 01 /24/2019 Client Sample ID: MW-2D Prism Sample ID: 9010161-15 Prism Work Order: 9010161 Time Collected: 01/09/19 15:00 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 2300 mg/L 100 12 100 *300.0 1/16/19 16:27 BMS P9A0262 Dissolved Metals Iron 24 mg/L 0.10 0.049 1 *200.7 1/22/19 11:46 JAB P9A0236 Manganese 4.6 mg/L 0.010 0.0012 1 *200.7 1/17/19 19:02 JAB P9A0236 General Chemistry Parameters Total Dissolved Solids 3800 mg/L 50 17 1 'SM2540 C 1/14/19 16:48 SLS P9A0238 Total Metals Iron 46 mg/L 0.10 0.044 1 *200.7 1/16/19 14:31 JAB P9A0210 Manganese 4.6 mg/L 0.010 0.0012 1 *200.7 1/16/19 14:31 JAB PSA0210 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 704/629-6364 - Toll Free Number: 1-800/629.6364 - Fax: 704/625-0409 Page 21 of 48 ,AUP R I S M Full -Service Analytical s Environmental Solutions ueonnronres, iHc Groundwater Manage. Assoc.(GREE) Project: 158101 -Valhalla WTP Attn: Katie Hackney 4300 Sapphire Court, Suite 100 Greenville, NC 27834 Sample Matrix: Water Laboratory Report 01 /24/2019 Client Sample ID: MW-9D Prism Sample ID: 9010161-16 Prism Work Order: 9010161 Time Collected: 01/10/19 15:55 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 6900 mg/L 100 12 100 *300.0 1/16/19 17:15 BMS P9A0262 Dissolved Metals Iron 110 mg/L 0.10 0.049 1 *200.7 1/22/19 11:56 JAB P9A0236 Manganese 1.3 mg/L 0.010 0.0012 1 *200.7 1121/19 12:11 JAB P9A0236 General Chemistry Parameters Total Dissolved Solids 12000 mg/L 260 17 1 *SM2640 C 1/16/19 16:22 SLS P9A0280 Total Metals Iron 130 mg/L 0.10 0.044 1 *200.7 1116119 14:40 JAB P9A0210 Manganese 1.3 mg/L 0.010 0.0012 1 *200.7 1116119 14:40 JAB P9A0210 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 704/629-6364 - Toll Free Number: 1-800/629.6364 - Fax: 7041525-0409 Page 22 of 48 ARIrR I S M I Full -Service Analytical Environmental Solutions UBORATOFIES IN4 Groundwater Manage. Assoc.(GREE) Attn: Katie Hackney 4300 Sapphire Court, Suite 100 Greenville, NC 27834 Project: 158101 - Valhalla WTP Sample Matrix: Water Laboratory Report 01 /24/2019 Client Sample ID: MW-9DD Prism Sample ID: 9010161-17 Prism Work Order: 9010161 Time Collected: 01/10/19 15:35 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 280 mg/L 10 1.2 10 *300.0 1/17/19 17:32 BMS P9A0298 Dissolved Metals Iron 1.7 mg/L 0.10 0.049 1 *200.7 1/22/19 12:04 JAB P9A0236 Manganese 0.15 mg/L 0.010 0.0012 1 *200.7 1121/19 12:21 JAB P9A0236 General Chemistry Parameters Total Dissolved Solids 820 mg/L 50 17 1 'SM2640 C 1/16/19 16:22 SLS P9A0280 Total Metals Iron 2.0 mg/L 0.10 0.044 1 *200.7 1116/19 14:51 JAB P9A0210 Manganese 0.16 mg/L 0.010 0.0012 1 *200.7 1116/19 14:51 JAB P9A0210 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240543 - Charlotte, NC 28224-0643 Phone: 704/529-6364 - Toll Free Number: 1-800/629.6364 - Fax: 704/626-0409 Page 23 Of 48 APR I S M I Full -Service Analytical Environmental Solutions IABOnATORIES ING Laboratory Report 01 /24/2019 Groundwater Manage. Assoc.(GREE) Project: 158101 -Valhalla WTP Client Sample ID: MW-13D Attn: Katie Hackney Prism Sample ID: 9010161-18 4300 Sapphire Court, Suite 100 Prism Work Order: 9010161 Greenville, NC 27834 Sample Matrix: Water Time Collected: 01/09/19 12:35 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 13 mg/L 1.0 0.12 1 *300.0 1/16/19 20:04 BMS P9A0227 Dissolved Metals Iron 0.42 mg/L 0.10 0.049 1 *200.7 1/22/19 12:13 JAB P9A0236 Manganese 0.089 mg/L 0.010 0.0012 1 *200.7 1/21/19 12:30 JAB P9A0236 General Chemistry Parameters Total Dissolved Solids 230 mg/L 60 17 1 'SM2540 C 1/14119 16:48 SLS P9A0238 Total Metals Iron 1.1 mg/L 0.10 0.044 1 *200.7 1116/19 15:00 JAB P9A0210 Manganese 0.098 mg/L 0.010 0.0012 1 *200.7 1/16119 15:00 JAB P9A0210 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0543 Phone: 704/529.6364 - Toll Free Number: 1-800/629-6364 - Fax: 704/525-0409 Page 24 of 48 /AGIUR I S M I Full -Service Analytical Environmental Solutions LABORATORIES INC. Groundwater Manage. Assoc.(GREE) Attn: Katie Hackney 4300 Sapphire Court, Suite 100 Greenville, NC 27834 Project: 158101 - Valhalla WTP Sample Matrix: Water Laboratory Report 01 /24/2019 Client Sample ID: WSW-1 Prism Sample ID: 9010161-19 Prism Work Order: 9010161 Time Collected: 01/10/19 09:35 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 78 mg/L 1.0 0.12 1 *300.0 1/15/19 20:20 BMS P9A0227 Dissolved Metals Iron BRL mg/L 0.10 0.049 1 *200.7 1/22/19 12:22 JAB P9A0236 Manganese BRL mg/L 0.010 0.0012 1 *200.7 1/21/19 12:39 JAB P9A0236 General Chemistry Parameters Total Dissolved Solids 630 mg/L 50 17 1 'SM2540 C 1117119 16:00 SLS P9A0301 Total Metals Iron BRL mg/L 0.10 0.044 1 *200.7 1/16/19 15:09 JAB P9A0210 Manganese BRL mg/L 0.010 0.0012 1 *200.7 1/16/19 15:09 JAB P9A0210 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0543 Phone: 704/529-6364 - Toll Free Number: 1-800/529-6364 - Fax: 704/626-0409 Page 25 Of 48 ,joIS R I S M Full -Service Analytical Environmental Solutions UBORATORIES iNG Groundwater Manage. Assoc.(GREE) Attn: Katie Hackney 4300 Sapphire Court, Suite 100 Greenville. NC 27834 Project: 158101 - Valhalla WTP Sample Matrix: Water Laboratory Report 01 /24/2019 Client Sample ID: WSW-5 Prism Sample ID: 9010161-20 Prism Work Order: 9010161 Time Collected: 01/10/19 14:10 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 910 mg/L 10 1.2 10 *300.0 1/16/19 17:47 BMS P9A0262 Dissolved Metals Iron BRL mg/L 0.10 0.049 1 *200.7 1/22/19 12:31 JAB P9A0236 Manganese 0.46 mg/L 0.010 0.0012 1 *200.7 1/21/19 12:47 JAB P9A0236 General Chemistry Parameters Total Dissolved Solids 1500 mg/L 5o 17 1 'SM2640 C 1/17/19 16:00 SLS P9A0301 Total Metals Iron 0.10 mg/L 0.10 0.044 1 *200.7 1116/19 15:53 JAB P9A0211 Manganese 0.48 mg/L 0.010 0.0012 1 *200.7 1116119 16:63 JAB P9A0211 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 704/529-6364 - Toll Free Number: 1-800/629-6364 - Fax: 704/525-0409 Page 26 of 48 &P R I S M Full -Service Analytical s Environmental Solutions � ueonn.onres isc Groundwater Manage. Assoc.(GREE) Attn: Katie Hackney 4300 Sapphire Court, Suite 100 Greenville, NC 27834 Project: 158101 - Valhalla WTP Sample Matrix: Water Laboratory Report 01 /24/2019 Client Sample ID: SW-1 Prism Sample ID: 9010161-21 Prism Work Order: 9010161 Time Collected: 01/09/19 13:20 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 29 mg/L 1.0 0.12 1 *300.0 1/15/19 21:24 BMS P9A0227 Dissolved Metals Iron 2.0 mg/L 0.10 0.049 1 *200.7 1/22/19 13:12 JAB P9A0237 Manganese 0.061 mglL 0.010 0.0012 1 *200.7 1/22/19 13:12 JAB PSA0237 General Chemistry Parameters Total Dissolved Solids 160 mg/L 50 17 1 'SM2640 C 1/16/19 16:39 SLS P9A0280 Total Metals Iron 3.2 mg/L 0.10 0.044 1 *200.7 1/16/19 16:18 JAB P9A0211 Manganese 0.053 mg/L 0.010 0.0012 1 `200.7 1116119 16:18 JAB P9A0211 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 704/529-6364 - Toll Free Number: 1-8001629-6364 - Fax: 704/626-0409 Page 27 of 48 1110,10 1 S M I Full -Service Analytical Environmental Solutions u9onn IES, - Groundwater Manage. Assoc.(GREE) Attn: Katie Hackney 4300 Sapphire Court, Suite 100 Greenville, NC 27834 Project: 158101 -Valhalla WTP Sample Matrix: Water Laboratory Report 01 /24/2019 Client Sample ID: SW-2 Prism Sample ID: 9010161-22 Prism Work Order: 9010161 Time Collected: 01/10/19 13:45 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 31 mg/L 1.0 0.12 1 *300.0 1115119 22:46 BMS P9A0227 Dissolved Metals Iron 0.31 mg/L 0.10 0.049 1 *200.7 1/22/19 13:40 JAB P9A0237 Manganese 0.038 mg/L 0.010 0.0012 1 *200.7 1/22/19 13:40 JAB P9A0237 General Chemistry Parameters Total Dissolved Solids 160 mg/L 50 17 1 'SM2540 C 1/17/19 16:13 SLS P9A0301 Total Metals Iron 0.42 mg/L 0.10 0.044 1 *200.7 1/16/19 16:27 JAB P9A0211 Manganese 0.044 mg/L 0.010 0.0012 1 *200.7 1116/19 16:27 JAB P9A0211 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 704/529-6364 - Toll Free Number: 1-800/529.6364 - Fax: 7041625-0409 Page 28 of 48 �P R I S M Full -Service Analytical s Environmental Solutions LABORATORIES INC. Groundwater Manage. Assoc.(GREE) Attn: Katie Hackney 4300 Sapphire Court, Suite 100 Greenville, NC 27834 Project: 158101 - Valhalla WTP Sample Matrix: Water Laboratory Report 01 /24/2019 Client Sample ID: SW-3 Prism Sample ID: 9010161-23 Prism Work Order: 9010161 Time Collected: 01/10/19 15:00 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 540 mg/L 10 1.2 10 *300.0 1/16/19 18:35 BMS P9A0262 Dissolved Metals Iron 4.0 mg/L 0.10 0.049 1 *200.7 1/22/19 13:48 JAB P9A0237 Manganese 0.11 mg/L 0.010 0.0012 1 *200.7 1/22/19 13:48 JAB P9A0237 General Chemistry Parameters Total Dissolved Solids 1000 mg/L 50 17 1 *SM2640 C 1/17119 16:13 SLS P9A0301 Total Metals Iron 8.1 mg/L 0.10 0.044 1 *200.7 1/16/19 16:36 JAB P9A0211 Manganese 0.11 mg/L 0.010 0.0012 1 *200.7 1/16/19 16:36 JAB P9A0211 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 704/629.6364 - Toll Free Number: 1-8001529.6364 - Fax: 7041625-0409 Page 29 of 48 &P R I S M I Full -Service Analytical 8 Environmental Solutions ueonnron�Es iMc Laboratory Report 01 /24/2019 Groundwater Manage. Assoc.(GREE) Project: 158101 -Valhalla WTP Client Sample ID: SW-4 Attn: Katie Hackney Prism Sample ID: 9010161-24 4300 Sapphire Court, Suite 100 Prism Work Order: 9010161 Greenville, NC 27834 Sample Matrix: Water Time Collected: 01/10/19 15:10 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor DaterTime ID Anions by Ion Chromatography Chloride 230 mg/L 10 1.2 10 `300.0 1/16/19 18:51 BMS P9A0262 Dissolved Metals Iron 0.40 mg/L 0.10 0.049 1 *200.7 1/22/19 13:67 JAB P9A0237 Manganese 0.072 mg/L 0.010 0.0012 1 *200.7 1/22/19 13:57 JAB P9A0237 General Chemistry Parameters Total Dissolved Solids 490 mg/L 50 17 1 `SM2540 C 1/17/19 16:13 SLS P9A0301 Total Metals Iron 0.63 mg/L 0.10 0.044 1 *200.7 1116119 16:45 JAB P9A0211 Manganese 0.072 mg/L 0.010 0.0012 1 *200.7 1116119 16:45 JAB P9A0211 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 704/529-6364 - Toll Free Number: 1-800/529.6364 - Fax: 704/625-0409 Page 30 of 48 IRR I S M I Full -Service Analytical Environmental Solutions Groundwater Manage. Assoc.(GREE) Attn: Katie Hackney 4300 Sapphire Court, Suite 100 Greenville, NC 27834 Project: 158101 - Valhalla WTP Sample Matrix: Water Laboratory Report 01/24/2019 Client Sample ID: SW-5 Prism Sample ID: 9010161-25 Prism Work Order: 9010161 Time Collected: 01/10/19 12:13 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 310 mg/L 10 1.2 10 *300.0 1/16/19 19:07 BMS P9A0262 Dissolved Metals Iron 0.91 mg/L 0.10 0.049 1 *200.7 1/22/19 14:06 JAB P9A0237 Manganese 0.069 mg/L 0.010 0.0012 1 *200.7 1/22/19 14:06 JAB P9A0237 General Chemistry Parameters Total Dissolved Solids 600 mg/L 50 17 1 'SM2540 C 1/17/19 16:13 SLS P9A0301 Total Metals Iron 1.4 mg/L 0.10 0.044 1 *200.7 1/16119 16:64 JAB P9A0211 Manganese 0.086 mg/L 0.010 0.0012 1 `200.7 1/16119 16:64 JAB P9A0211 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240543 - Charlotte, NC 28224-0643 Phone: 7041629-6364 - Toll Free Number: 1-800/629-6364 - Fax: 704/525-0409 Page 31 Of 48 AUPR I S M I Full -Service Analytical Environmental Solutions Groundwater Manage. Assoc.(GREE) Attn: Katie Hackney 4300 Sapphire Court, Suite 100 Greenville, NC 27834 Project: 158101 - Valhalla WTP Sample Matrix: Water Laboratory Report 01/24/2019 Client Sample ID: SW-6 Prism Sample ID: 9010161-26 Prism Work Order: 9010161 Time Collected: 01/10/19 12:26 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 380 mg/L 10 1.2 10 *300.0 1/16/19 19:23 BMS PSA0262 Dissolved Metals Iron 0.50 mg/L 0.10 0.049 1 *200.7 1/22/19 14:16 JAB P9A0237 Manganese 0.092 mg/L 0.010 0.0012 1 *200.7 1/22/19 14:16 JAB P9A0237 General Chemistry Parameters Total Dissolved Solids 1000 mg/L s0 17 1 'SM2640 C 1/17/19 16:13 SLS PSA0301 Total Metals Iron 0.72 mg/L 0.10 0.044 1 *200.7 1/16/19 17:17 JAB P9A0211 Manganese 0.096 mg/L 0.010 0.0012 1 *200.7 1/16119 17:17 JAB P9A0211 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0543 Phone: 704/529.6364 - Toll Free Number: 1-800/529-6364 - Fax: 704/52s-0409 Page 32 of 48 P R I S M I Full -Service Analytical Environmental Solutions -" uao OAIEs INC Laboratory Report 01 /24/2019 Groundwater Manage. Assoc.(GREE) Project: 158101 -Valhalla WTP Client Sample ID: SW-7 Attn: Katie Hackney Prism Sample ID: 9010161-27 4300 Sapphire Court, Suite 100 Prism Work Order: 9010161 Greenville, NC 27834 Sample Matrix: Water Time Collected: 01/09/19 15:15 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor DaterTime ID Anions by Ion Chromatography Chloride 630 mg/L 10 1.2 10 *300.0 1/16/19 19:39 BMS P9A0262 Dissolved Metals Iron BRL mg/L 0.10 0.049 1 *200.7 1/22/19 14:24 JAB P9A0237 Manganese 0.030 mg/L 0.010 0.0012 1 *200.7 1/22/19 14:24 JAB P9A0237 General Chemistry Parameters Total Dissolved Solids 1400 mg/L 50 17 1 'SM2640 C 1/16/19 16:39 SLS P9A0280 Total Metals Iron BRL mg/L 0.10 0.044 1 *200.7 1/16/19 17:26 JAB P9A0211 Manganese 0.048 mg/L 0.010 0.0012 1 *200.7 1/16/19 17:26 JAB P9A0211 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240543 - Charlotte, NC 28224-0543 Phone: 704/52M364 - Toll Free Number: 1-800/629-6364 - Fax: 704/525-0409 Page 33 of 48 /.RISM Full -Service Analytical & Environmental Solutions IABORATOPIE61NC. Laboratory Report 01 /24/2019 Groundwater Manage. Assoc.(GREE) Project: 158101 -Valhalla WTP Client Sample ID: SW-8 Attn: Katie Hackney Prism Sample ID: 9010161-28 4300 Sapphire Court, Suite 100 Prism Work Order: 9010161 Greenville, NC 27834 Sample Matrix: Water Time Collected: 01/10/19 13:55 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 34 mg/L 1.0 0.12 1 *300.0 1116/19 3:33 BMS P9A0227 Dissolved Metals Iron 0.26 mg/L 0.10 0.049 1 *200.7 1/22119 14:33 JAB P9A0237 Manganese 0.025 mg/L 0.010 0.0012 1 *200.7 1/22119 14:33 JAB P9A0237 General Chemistry Parameters Total Dissolved Solids 160 mg/L 50 17 1 `SM2540 C 1/17/19 16:13 SLS P9A0301 Total Metals Iron 0.37 mg/L 0.10 0.044 1 `200.7 1116/19 17:36 JAB P9A0211 Manganese 0.023 mg/L 0.010 0.0012 1 `200.7 1116119 17:35 JAB P9A0211 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 7041629-6364 - Toll Free Number: 1-800/629-6364 - Fax: 704/626-0409 Page 34 of 48 AGR I S M I Full -Service Analytical Environmental Solutions --Ea INC. Laboratory Report 01 /24/2019 Groundwater Manage. Assoc.(GREE) Project: 158101 - Valhalla WTP Client Sample ID: SW-9 Attn: Katie Hackney Prism Sample ID: 9010161-29 4300 Sapphire Court, Suite 100 Prism Work Order: 9010161 Greenville, NC 27834 Sample Matrix: Water Time Collected: 01/10/19 14:20 Time Submitted: 01/11/19 14:00 Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch Limit Factor Date/Time ID Anions by Ion Chromatography Chloride 63 mg/L 1.0 0.12 1 *300.0 1/16/19 3:49 BMS P9A0227 Dissolved Metals Iron 0.23 mg/L 0.10 0.049 1 *200.7 1/22/19 14:42 JAB P9A0237 Manganese 0.014 mg/L 0.010 0.0012 1 *200.7 1/22/19 14:42 JAB P9A0237 General Chemistry Parameters Total Dissolved Solids 180 mg/L 60 17 1 `SM2640 C 1/17/19 16:13 SLS P9A0301 Total Metals Iron 0.34 mg/L 0.10 0.044 1 *200.7 1/16/19 17:43 JAB P9A0211 Manganese 0.013 mg/L 0.010 0.0012 1 *200.7 1/16/19 17:43 JAB P9A0211 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 704/629-6364 - Toll Free Number: 1-800/629.6364 - Fax: 704/626-0409 Page 35 of 48 P R I S M I Fuli_servfoe Analytical Environmental Solutions ueonn IM me Groundwater Manage. Assoc.(GREE) Attn: Katie Hackney 4300 Sapphire Court, Suite 100 Greenville, NC 27834 Total Metals - Quality Control Analyte Batch P9AO210 - 200.7 Project: 158101 -Valhalla WTP Reporting Result Limit Units Level II QC Report 1 /24/19 Prism Work Order: 9010161 Time Submitted: 1/11/2019 2:00:OOPM Spike Source %REC RPD Level Result %REC Limits RPD Limit Notes Blank (P9A0210-BLK1) _ _ Prepared: 01/15/19 Analyzed: 01/16/19 Iron BRL 0.10 mg/L Manganese BRL 0.010 mg/L LCS (P9A0210-BS1) Prepared: 01/15/19 Analyzed: 01/16/19 Iron 50.3 0.10 mg/L 50.00 101 85-115 Manganese 0.469 0.010 mg/L 0.5001 94 85-115 Matrix Spike (P9A0210-MS1) Source: 9010161-01 Prepared: 01/15/19 Analyzed: 01/16/19 Iron 55.8 0.10 mg/L 50.00 8.16 95 70-130 Manganese Over Range 0.010 mg/L 0.5001 4.81 NR 70-130 Matrix Spike (P9A0210-MS2) Source: 9010161-10 Prepared: 01/15/19 Analyzed: 01/16/19 Iron 68.3 0.10 mg/L 50.00 18.9 99 70-130 Manganese 0.868 0.010 mg/L 0.5001 0.358 102 70-130 Matrix Spike Dup (P9A0210-MSD1) Source: 9010161-01 Prepared: 01/15/19 Analyzed: 01/16/19 Iron 55.1 0.10 mg/L 50.00 8.16 94 70-130 1 20 Manganese Over Range 0.010 mg/L 0.5001 4.81 NR 70-130 0 20 Batch P9A0211 - 200.7 Blank (P9A0211-BLK1) Prepared: 01/15/19 Analyzed: 01/16/19 Iron BRL 0.10 mg/L Manganese BRL 0.010 mg/L LCS (P9A0211-BS1) Prepared: 01/15/19 Analyzed: 01/16/19 Iron 46.5 0.10 mg/L 50.00 93 85-115 Manganese 0.477 0.010 mg/L 0.5001 95 85-115 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 704/629-6364 - Toll Free Number: 1-800/629-6364 - Fax: 704/626-0409 Page 36 of 48 /012) R I S M I Full -Service Analytical Environmental Solutions umnwraaes inc Groundwater Manage. Assoc.(GREE) Attn: Katie Hackney 4300 Sapphire Court, Suite 100 Greenville, NC 27834 Total Metals - Quality Control Analyte Project: 158101 -Valhalla WTP Level II QC Report 1 /24/19 Prism Work Order: 9010161 Time Submitted: 1/11/2019 2:00:OOPM Reporting Spike Source %REC RPD Result Limit Units Level Result %REC Limits RPD Limit Notes Batch P9A0211 - 200.7 Matrix Spike (P9A0211-MS1) --source: 9010161-20 Prepared: 01/15/19 Analyzed: 01/16/19 Iron 46.3 0.10 mg/L 50.00 0.101 92 70-130 Manganese 0.934 0.010 mg/L 0.5001 0.478 91 70-130 Matrix Spike Dup (P9A0211-MSD1) Source: 9010161-20 Prepared: 01/15/19 Analyzed: 01/16/19 Iron 46.2 0.10 mg/L 50.00 0.101 92 70-130 0.2 20 Manganese 0.934 0.010 mg/L 0.5001 0.478 91 70-130 0.02 20 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0543 Phone: 704/629-6364 - Toll Free Number: 1-8001629-6364 - Fax: 704/525-0409 Page 37 of 48 151MIR I S M I Full -Service Analytical s Environmental Solutions uaOnwTOnIES iMG Groundwater Manage. Assoc.(GREE) Attn: Katie Hackney 4300 Sapphire Court, Suite 100 Greenville, NC 27834 Dissolved Metals - Quality Control Project: 158101 -Valhalla WTP Level II QC Report 1 /24/19 Prism Work Order: 9010161 Time Submitted: 1/11/2019 2:00:00PM Reporting Spike Source %REC RPD Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes Batch P9A0236 - 200.7 Blank (P9A0236-B_LK1) Prepared: 01/16/19 Analyzed: 01/17/19 Iron BRL 0.10 mg/L Manganese BRL 0.010 mg/L LCS (P9A0236-BS1) Prepared: 01/16/19 Analyzed: 01/17/19 Iron 45.1 0.10 mg/L 50.00 90 85-115 Manganese 0.465 0.010 mg/L 0.5001 93 85-115 Matrix Spike (P9A0236-MS1) Source: 9010161-01 Prepared: 01/16/19 Analyzed: 01/17/19 Iron 50.1 0.10 mg/L 50.00 5.78 89 70-130 Manganese Over Range 0.010 mg/L 0.5001 5.03 NR 70-130 Matrix Spike (P9A0236-MS2) Source: 9010161-11 Prepared: 01/16/19 Analyzed: 01/17/19 Iron 123 0.10 mg/L 50.00 77.5 91 70-130 Manganese 2.24 0.010 mg/L 0.5001 1.85 78 70-130 Matrix Spike Dup (P9A0236-MSD1) Source: 9010161-01 Prepared: 01/16/19 Analyzed: 01/17/19 Iron 50.7 0.10 mg/L 50.00 5.78 90 70-130 1 20 Manganese Over Range 0.010 mg/L 0.5001 5.03 NR 70-130 0 10 Batch P9A0237 - 200.7 Blank (P9A0237-BLK1) Iron Manganese LCS (P9A0237-BS1) Iron Manganese BRL BRL 47.2 0.478 Prepared: 01/16/19 Analyzed:01/22/19 0.10 mg/L 0.010 mg/L Prepared: 01/16/19 Analyzed: 01/22/19 0.10 mg/L 50.00 94 85-115 0.010 mg/L 0.5001 96 85-115 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 704/529-6364 - Toll Free Number: 1-8001529.6364 - Fax: 7041525-0409 Page 38 of 48 Level II QC Report AGP R I S M Full -Service Analytical 1/24/19 Environmental Solutions uBMpTOaIES IM'_ Groundwater Manage. Assoc.(GREE) Project: 158101 -Valhalla WTP Prism Work Order: 9010161 Attn: Katie Hackney Time Submitted: 1/11/2019 2:00:OOPM 4300 Sapphire Court, Suite 100 Greenville, NC 27834 Dissolved Metals - Quality Control Reporting Spike Source %REC RPD Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes Batch P9A0237 - 200.7 Matrix Spike (P9A0237-MS1) Source: 9010161-21 Prepared: 01/16/19 Analyzed: 01/22/19 Iron 48.8 0.10 mg/L 50.00 2.04 94 70-130 Manganese 0.522 0.010 mg/L 0.5001 0.0610 92 70-130 Matrix Spike Dup (P9A0237-MSD1) Source: 9010161-21 Prepared: 01/16/19 Analyzed: 01/22/19 Iron 48.8 0.10 mg/L 50.00 2.04 94 70-130 0.02 20 Manganese 0.519 0.010 mg/L 0.5001 0.0610 92 70-130 0.6 10 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 704/629.6364 - Toll Free Number: 1-800/529.6364 - Fax: 704/626-0409 Page 39 of 48 /ArAWIR ISM I Full -Service Analytical 6 Environmental Solutions ueonn.omes iMc Level II QC Report 1 /24/19 Groundwater Manage. Assoc.(GREE) Project: 158101 - Valhalla WTP Prism Work Order: 9010161 Attn: Katie Hackney Time Submitted: 1/11/2019 2:00:OOPM 4300 Sapphire Court, Suite 100 Greenville, NC 27834 Anions by Ion Chromatography - Quality Control Reporting Spike Source %REC RPD Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes Batch P9A0227 - NO PREP Blank (P9A0227-BLK1) Prepared & Analyzed: 01/15/19 Chloride BRL 1.0 mg/L LCS (P9A0227-BS1) Prepared & Analyzed: 01/15/19 Chloride 40.1 1.0 mg/L 40.00 100 90-110 Matrix Spike (P9A0227-MS1) Source: 9010161-21 Prepared & Analyzed: 01/15/19 Chloride 69.2 1.0 mg/L 40.00 29.3 100 90-110 Matrix Spike Dup (P9A0227-MSD1) Source: 9010161-21 Prepared & Analyzed: 01/15/19 Chloride 69.2 1.0 mg/L 40.00 29.3 100 90-110 0.001 15 Batch PgA0262 - NO PREP Blank (P9A0262-BLK1) Prepared & Analyzed: 01/16/19 Chloride BRL 1.0 mg/L LCS (P9A0262-BS1) Prepared & Analyzed: 01/16/19 Chloride 40.5 1.0 mg/L 40.00 101 90-110 Matrix Spike (P9A0262-MS2) Source: 9010161-15 Prepared & Analyzed: 01/16/19 Chloride 6240 100 mg/L 4000 2320 98 90-110 Matrix Spike Dup (P9A0262-MSD2) Source: 9010161-15 Prepared & Analyzed: 01/16/19 Chloride 6350 100 mg/L 4000 2320 101 90-110 2 15 Batch P9A0298 - NO PREP Blank (P9A0298-BLK1) Prepared & Analyzed: 01/17/19 Chloride BRL 1.0 mg/L This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0543 Phone: 7041529-6364 - Toll Free Number: 1-800/629-6364 - Fax: 704/525-0409 Page 40 of 48 ,�P R I S M ( Full -Service Analytical ~ Environmental Solutions uaoru.«+ies i.c Groundwater Manage. Assoc.(GREE) Project: 158101 -Valhalla WTP Attn: Katie Hackney 4300 Sapphire Court, Suite 100 Greenville, NC 27834 Anions by Ion Chromatography - Quality Control Level II QC Report 1 /24/19 Prism Work Order: 9010161 Time Submitted: 1/11/2019 2:00:OOPM Reporting Spike Source %REC RPD Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes Batch P9A0298 - NO PREP LCS (P9A0298-BS1) Prepared & Analyzed: 01/17/19 _ Chloride 39.6 1.0 mg/L 40.00 99 90-110 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 704/629-6364 - Toll Free Number: 1-800/529-6364 - Fax: 704/525-0409 Page 41 of 48 &AR I S M I Full -Service Analytical Environmental Solutions u9oRwiOniES ihG Groundwater Manage. Assoc.(GREE) Attn: Katie Hackney 4300 Sapphire Court, Suite 100 Greenville, NC 27834 General Chemistry Parameters - Quality Control Analyte Batch P9A0238 - NO PREP Project: 158101 -Valhalla WTP Reporting Result Limit Units Level II QC Report 1 /24/19 Prism Work Order: 9010161 Time Submitted: 1/11/2019 2:00:OOPM Spike Source %REC RPD Level Result %REC Limits RPD Limit Notes Blank (P9A0238-BLKI) _ _ Prepared & Analyzed: 01/14/19 Total Dissolved Solids BRL 50 mg/L LCS (P9A0238-BS1) Prepared & Analyzed: 01/14/19 Total Dissolved Solids 974 50 mg/L 1000 97 90-110 Duplicate (P9A0238-DUP1) Source: 9010161-04 Prepared & Analyzed: 01/14/19 Total Dissolved Solids 488 50 mg/L 476 2 20 Batch P9AO280 - NO PREP Blank (P9A0280-BLK1) Prepared & Analyzed: 01/16/19 Total Dissolved Solids BRL 50 mg/L LCS (P9A0280-BSI) Prepared & Analyzed: 01/16/19 Total Dissolved Solids 1000 50 mg/L 1000 100 90-110 Duplicate (P9A0280-D_UP1) Source: 9010161_-07 Prepared & Analyzed: 01/16/19 Total Dissolved Solids 2330 50 mg/L 2270 3 20 Duplicate (P9A0280-DUP2) Source: 9010161-27 Prepared & Analyzed: 01/16/19 Total Dissolved Solids 1360 50 mg/L 1360 0.4 20 Batch P9AO301 - NO PREP Blank (P9A0301-BLK1) Prepared & Analyzed: 01/17/19 Total Dissolved Solids BRL 50 mg/L This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 704/529-6364 - Toll Free Number: 1-800/529-6364 - Fax: 704/525-0409 Page 42 of 48 Level II QC Report A2121I R I S M Full -Service Analytical 3 1 /24/19 Environmental Solutions ueon�rones vac Groundwater Manage. Assoc.(GREE) Project: 158101 -Valhalla WTP Prism Work Order: 9010161 Attn: Katie Hackney Time Submitted: 1/11/2019 2:00:OOPM 4300 Sapphire Court, Suite 100 Greenville, NC 27834 General Chemistry Parameters - Quality Control Reporting Spike Source %REC RPD Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes Batch 1P9A0301 - NO PREP LCS (P9A0301-BS1) Prepared & Analyzed: 01/17/19 Total Dissolved Solids 996 50 mg/L 1000 100 90-110 Duplicate (P9A0301-DUP1) Source: 9010161-20 Prepared & Analyzed: 01/17/19 Total Dissolved Solids 1510 50 mg/L 1500 0.7 20 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 704/629-6364 - Toll Free Number: 1-800/629-6364 - Fax: 704/525-0409 Page 43 of 48 Sample Extraction Data Prep Method: 200.7 Lab Number Batch Initial Final Date/Time 9010161-01 P9A0236 50 mL 50 mL 01/16/19 13:25 9010161-02 P9A0236 50 mL 50 mL 01/16/19 13:25 9010161-03 P9A0236 50 mL 50 mL 01/16/19 13,25 9010161-04 P9A0236 50 mL 50 mL 01/16/19 13:25 9010161-05 P9A0236 50 mL 50 mL 01/16/19 1325 9010161-06 P9A0236 50 mL 50 mL 01/16/19 1325 9010161-07 P9A0236 50 mL 50 mL 01/16/19 13:25 9010161-08 P9A0236 50 mL 50 mL 01/16/19 13:25 9010161-09 P9A0236 50 mL 50 mL 01/16/19 13:25 9010161-10 P9A0236 50 mL 50 mL 01/16/19 13:25 9010161-11 P9A0236 50 mL 50 mL 01/16/19 13:25 9010161-12 P9A0236 50 mL 50 mL 01/16/19 13:25 9010161-13 P9A0236 50 mL 50 mL 01/16/19 13:25 9010161-14 P9A0236 50 mL 50 mL 01/16/19 13:25 9010161-15 P9A0236 50 mL 50 mL 01/16/19 13:25 9010161-15 P9A0236 50 mL 50 mL 01/16/19 13:25 9010161-16 P9A0236 50 mL 50 mL 01/16/19 13:25 9010161-16 PgA0236 50 mL 50 mL 01/16/19 13:25 9010161-17 P9A0236 50 mL 50 mL 01/16/19 13:25 9010161-17 P9A0236 50 mL 50 mL 01/16/19 13:25 9010161-18 PgA0236 50 mL 50 mL 01/16/19 13:25 9010161-18 PgA0236 50 mL 50 mL 01/16/19 13:25 9010161-19 P9A0236 50 mL 50 mL 01/16/19 13:25 9010161-19 P9A0236 50 mL 50 mL 01/16/19 13:25 9010161-20 P9A0236 50 mL 50 mL 01/16/19 13:25 9010161-20 P9A0236 50 mL 50 mL 01/16/19 13:25 9010161-21 P9A0237 50 mL 50 mL 01/16/19 14:00 9010161-22 P9A0237 50 mL 50 mL 01/16/19 14:00 9010161-23 P9A0237 50 mL 50 mL 01/16/19 14:00 9010161-24 P9A0237 50 mL 50 mL 01/16/19 14:00 9010161-25 P9A0237 50 mL 50 mL 01/16/19 14:00 9010161-26 PgA0237 50 mL 50 mL 01/16/19 14:00 9010161-27 PgA0237 50 mL 50 mL 01/16/19 1400 9010161-28 P9A0237 50 mL 50 mL 01/16/19 14:00 9010161-29 P9A0237 50 mL 50 mL 01/16/19 14:00 Prep Method: 200.7 Lab Number Batch Initial Final Date/Time 9010161-01 P9A0210 50 mL 50 mL 01/15/19 8:40 9010161-02 P9A0210 50 mL 50 mL 01/15/19 8:40 9010161-03 P9A0210 50 mL 50 mL 01/15/19 8:40 9010161-04 P9A0210 50 mL 50 mL 01/15/19 840 9010161-05 P9A0210 50 mL 50 mL 01/15/19 8:40 9010161-06 P9A0210 50 mL 50 mL 01/15/19 8:40 9010161-07 P9A0210 50 mL 50 mL 01/15/19 8:40 9010161-08 P9A0210 50 mL 50 mL 01/15/19 8:40 9010161-09 P9A0210 50 mL 50 mL 01/15/19 840 9010161-10 P9A0210 50 mL 50 mL 01/15/19 840 9010161-11 P9A0210 50 mL 50 mL 01/15/19 8:40 9010161-12 P9A0210 50 mL 50 mL 01/15/19 8:40 9010161-13 P9A0210 50 mL 50 mL 01/15/19 8:40 9010161-14 P9A0210 50 mL 50 mL 01/15/19 8:40 9010161-15 P9A0210 50 mL 50 mL 01/15/19 8:40 9010161-16 PgA0210 50 mL 50 mL 01/15/19 8:40 9010161-17 P9A0210 50 mL 50 mL 01/15/19 8:40 9010161-18 P9A0210 50 mL 50 mL 01/15/19 8:40 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0643 Phone: 704/629-6364 - Toll Free Number: 1-8001529-6364 - Fax: 704/626-0409 Page 44 of 48 Sample Extraction Data Prep Method: 200.7 Lab Number Batch Initial Final Date/Time 9010161-19 P9A0210 50 mL 50 mL 01/15/19 8:40 9010161-20 P9A0211 50 mL 50 mL 01/15/19 8:40 9010161-21 PgA0211 50 mL 50 mL 01/15/19 8:40 9010161-22 P9A0211 50 mL 50 mL 01/15/19 8:40 9010161-23 P9A0211 50 mL 50 mL 01/15/19 8:40 9010161-24 P9A0211 50 mL 50 mL 01/15/19 8:40 9010161-25 P9A0211 50 mL 50 mL 01/15/19 8:40 9010161-26 P9A0211 50 mL 50 mL 01/15/19 8:40 9010161-27 P9A0211 50 mL 50 mL 01/15/19 8:40 9010161-28 P9A0211 50 mL 50 mL 01/15/19 8:40 9010161-29 P9A0211 50 mL 50 mL 01/15/19 8:40 This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc. 449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0543 Phone: 7041629-6364 - Toll Free Number: 1-800/629-6364 - Fax: 704/626-0409 Page 45 of 48 PRISM I S M Full -Service Analytical & _ Environmental Solutions LABORATORIES INC. 449 Springbrook Road • Charlotte, NC 28217 Phone 7041529-6364 Fax: 7041525-0409 Client Company Name: Report To/Contact Name: 6JL Reporting Ad ress: VJ ." V n CHAIN OF CUSTODY RECORD 1 PAGE _1 - OF '3OUOTE It TO ENSURE PROPER BILLING: Project Name: VW 11u.11U.- i Short Hold Analysis: (Yes) (SO)UST Project: (Yes) O 'Please ATTACH any project specific reporting (QC LEVEL 1 II III IV) provisions and/or QC Requirements Invoice To: C'1M Address: f Samples INTACT upon arrit Received ON WET ICE? PROPER PRESERVATIVES indicated? Received WITHIN HOLDING TIMES? CUSTODY SEALS INTACT? VOLATILES read W/OUT HEADSPACE? PROPER CONTAINERS used? TEMP: Therm ID. ( k--f -Ot Observed YES NO N/A I ct) Phone:] 5a TJ$-'j�lU Fax (Yes) (IQpj: Purchase Order No./Billing Reference I .6 o Email Address: A TO BE FILLED IN BY CLIENT/SAMPLING PERSONNEL L�� , C,Xv._ Requested Due Date ❑ 1 Day U 2 Days ❑ 3 Days ❑ 4 Days ❑ 5 Days Certification: NELAC DOD FL NC EDD Type: PDF Exce _Other "Working Days" 6-9 Days ❑ Standard 10 days ❑ Pre h Workdust Be Site Location Name: I 4:00 will be processed next busine Samples received aft 1ss day. SC OTHER NIA Site Location Physical Addre i Turnaround time is based on business days, excluding weekends and holidays. Water Chlorinated: YES_ NO� (SEE REVERSE FOR TERMS 8 CONDITIONS REGARDING SERVICES RENDERED BY PRISM LABORATORIES, INC. TO CLIENT) Sample Iced Upon Collection: YES NO CLIENT DATE TIME COLLECTED MATRIX (SOIL, SAMPLE CONTAINER PRESERVA- `Q/ ANALYSIg REQUESTED (`l PRISM SAMPLE DESCRIPTION COLLECTED MILITARY WATER OR *TYPE TIVES ��,�t" REMARKS LAB HOURS NO. SIZE i� ID NO. SLUDGE) SEE BELOW Q lI ►��,�► x LI -- ih Q� _\A) '. 5 06 o G:py f S iA) Sampler's " /_'M/A r_ (� -IMP��1►� J) Signature Sampled By (Print Name)�('�i� 0�] Affiliation U 1 w Upon relinquishin is Chain of Custody is your authorization for Prism to proceed with the analyses as requested above. Any changes must be PRISM USE ONLY Sub ed in writing to the Prism Project Manager. There will be charges for any changes after analyses have been initialized. Ret quiphed 8 Zture) Received By:(Signature) Dare WIllarytHours Additional Comments: Site Arrival Time: mquished By: (Signaturey Received y: (Signature) Dale Site Departure Time. Rehngwsned Ry. (Signature) R Or LA ate Field Tech Fee: t/✓— ) — (� ' ( ( LiOU Mileage: Method of Shipment NOTE: ALL SAMPLE COOLERS SHOULD BE TAPED SHUT WITH CUSTODY SEALS FOR TR4(NSPMTATION TO THE NO SAMPLES IBORATORY.(31flaw ARE NOT ACCEPTED AND VERIFIED AGAINST COC UNTIL RECEIVED AT THE BORATORY. ❑ Fed Ex ❑UPS ❑ Hand delivered ❑ Pnsm Field Service ❑Other 0W NPDES: UST. GROUNDWATER: DRINKING WATER: SOLID WASTE: RCRA: CERCLA LANDFILL OTHER, ONC❑SC ❑NC ❑SC I U❑SC ❑NC JSC JNC JSC I ❑NCOSC ❑NC ❑SC JNC ❑SCI ❑NC ❑SC ❑ ❑_ ❑ FA 1 n I I I n n *CONTAINER TYPE CODES: A = Amber C = Clear G= Glass P = Plastic; TL = Teflon -Lined Cap VOA = Volatile Organics Analysis (Zero Head Space) ORIGINAL P R I S n A ( Full -Service Analytical ' V 1 Environmental Solutions . -- u90PATOR411a, m 449 Springbrook Road • Charlotte, NC 28217 Phone 704/529-6364• Fax:7041525-0409 Client Company Narne:GM N Report To/Contact Name: Reporting Address. CHAIN OF CUSTODY RECORD PAGE � OF ` I QUOTE # TpO� ENSURE;[( PROPER BILLING: \� CJ to Project Name: Short Hold Analysis: (Yes) @0 UST Project: (Yes) Il 'Please ATTACH any project specific reporting (QC LEVEL 1 II III IV) provisions and/or OC Requirements Invoice To: Cri K) Address: A YES NO N/A 00 Samples INTACT upon arrival? Received ON WET ICE? _� O PROPER PRESERVATIVES indicated? Received WITHIN HOLDING TIMES? CUSTODY SEALS INTACT? o' VOLATILES rec'd W/OUT HEADSPACE? / PROPER CONTAINERS used? TEMP Therm ID: I f—T--�j Observed: — °C / COM,3 ,0 °C Phone: S - Fax (Yes) o) Purchase Order No./BillingReferenceI'S�f) (�� TO BE FILLED IN BY CLIENT/SAMPLING PERSONtyEL Email Address: bo� U. �)rnu_ -AL U4-o% Requested Due Date J 1 Day U 2 Days ❑ 3 Days J 4 Days J 5 Days Certification: NELAC DOD FL NC �G EDD Type: PDF�i Excel —Other `r "Working Days' 9 Days O Standard 10 days O Rush re hh Work dust Be SC OTHER N/A Site Location Name: V W VlL,\kL, 1` V Samples received after 14:00 will be processed next business day. Site Location Physical Address' r Turnaround tirne is based on business days, excluding weekends and holidays. Water Chlorinated: YES— No - `vtiliL.C1 (SEE REVERSE FOR TERMS 8 CONDITIONS REGARDING SERVICES RENDERED BY PRISM LABORATORIES, INC. TO CLIENT) Sam le Iced U on Collection: YES P P NO TIME CLIENT DATE COLLECTED MATRIX (SOIL, SAMPLE CONTAINER _ PRESERVA- I ANALYSIS REQUESTED V.11 �V f� ;�1��i`� REMARKS PRISM LAB SAMPLE DESCRIPTION COLLECTED MILITARY WATER OR `TYPE TIVES ,J ' ID NO. HOURS SLUDGE) SEE BELOW NO. SIZE ; �0 �� - - - � — a <3'. u5 0 a�u�nt wxc-+Rm X x thohei 15 l L�-4 1 t q 15 -o l5 _ VJG 1.11L) 15 :.35--------------- - 5w t, 5 t�5 L b ►w:a J 5p r I' % ,. S�Y► m V . • Sampler's Signature,Sampled , By (Print Name) GmA� - Affiliation(, 1iLL Upon relinquishing, this Chain of Custody is your authorization for Prism to proceed with the analyses as requested above. Any changes must be submitted in writing to the Prism Project Manager There will be charges for any changes after analyses have been initialized. =ure) ecelvM y: (Signature) ate Military Hours Additional Comments: 7______7 i5offhquaked (Signature) Received y (Signature) Date elingwshed By: (Signature) Rocorvod For Prism Lahoralonc y / ile: pate I� Mileage Methadal'Shkirrmni NOTE: ALL SAMPLE COOLERS SHOULD BE TAPED SHUT WITH CUSTODY SEALS FORT NSPOR ATION TO THE LA80 ATORY. COC Group No SAMPLES ARE NOT ACCEPTED AND VERIFIED AGAINST COC UNTIL RECEIVED Al THE BORATORY, O Fed Ex ❑ UPS ❑ HandKfelivered ❑ Prism Field Service J Other NPDES: I UST: GROUNDWATER: DRINKING WATER: SOLID WASTE: RCRA: CERCLA LANDFILL ' OTHER: ❑NC❑SC ❑NC ❑SC UNC ❑SC ❑NC USC ❑NC USC i ❑NC❑SCI ❑NC ❑SC ❑NC ❑SC ❑NC El ❑ .— _ ❑ I J ❑ ClU ❑ —._ ❑ — ❑ — - *CONTAINER TYPE CODES: A = Amber C = Clear G= Glass P = Plastic; TL = Teflon -Lined Cap VOA = Volatile Organics Analysis (Zero Head Space) ORIGINAL i -PRISM Full -Service Analytical 8 Environmental Solutions ..• LABORATORIES INC 449 Springbrook Road • Charlotte, NC 28217 Phone 704152"364 Fax: 704/525-0409 Client Company Name: C _ Report To/Contact Name: Reporting Address: u Phone: - Il) Fax(Yes) Email Address: :✓ Al - tan EDD Type: PDF Excel_Other Site Location Name: JctIb,i1(Y I h I Site Location Phvsical Address: IUZI�S In (O IWLL iLa CLIENT DATE SAMPLE DESCRIPTION COLLECTED W� W3 0 TIME MATRIX COLLECTED (SOIL, MILITARY WATER OR HOURS SLUDGE) o (3 : u� (5 CHAIN OF CUSTODY RECORD PAGE 3 OF .3 QUOTE II # TO ��E nNS/.URE PROPER BILLING: _� J Project Name: �1 cl_ U I J- C CkA . UN ( l Short Hold Analysis: (Yes) C�W UST Project: (Yes) 6NIC9 I`KurtH rncZICINVAI IVCJ inulcareur _ *Please ATTACH any project specific reporting (QC LEVEL 1 II III Received WITHIN HOLDING TIMES?15 provisions and/or QC Requirements CUSTODY SEALS INTACT? Invoice To: Ca M 14 VOLATILES reed W/OUT HEADSPACE? � Address: (} �� PROPER CONTAINERS used? fir-` TEMP: Therm ID: t � Observed: J "C I Corr:=.0 Purchase Order No./Billing Reference TO BE FILLED IN BY CLIENT/SAMPLING PERSONNEL Requested Due Date ❑ 1 Day ❑ 2 Days ❑ 3 Days ❑ 4 Days ❑ 5 Days Certification: NELAC DoD FL NC "Working Days" 12:15-9 Days ❑ Standard 10 days O Pre -Approved hok Must Be SC OTHER NIA Samples received after 14.00 will be processed next business day. -- "— Turnaround time is based on business days, excluding weekends and holidays. Water Chlorinated: YES_ NOX (SEE REVERSE FOR TERMS 8 CONDITIONS REGARDING SERVICES RENDERED BY PRISM LABORATORIES, INC. TO CLIENT) Sample Iced Upon Collection: YES NO SAMPLE CONTAINER ANALYS. REQUESTED PRESERVA-�J'.,Nr REMARKS PRISM 'TYPENO. SIZE �" V/ — TIVES /��/, ` r �?0 ID NO. SEE BELOW ,PW-rftI X I X lo t �5-51 I i\E Sampler's Signatur j. Sampled By (Pri 9b Affiliatiof Upon relinquish' his Chain of Custody is your authorization for Prism to proceed with the analyses as requested above. Any changes must be suygiftted in wring to the Prism Project Manager. There will be charges for any changes after analyses have been initialized. I We) SAMPLES ARE NOT ACCEPTED AND VERIFIED AGAINST COC UNTIL RECEIVED A7HE LABORATORY. / f , o r 1 I t ❑ Fed Ex ❑ UPS ❑ Hand -delivered O Prism Field Service ❑ Othel V NPOES: UST: GROUNDWATER: DRINKING WATER: SOLID WASTE: RCRA: CERCLA LANDFILL OTHER: ❑NC❑SIC ❑NC ❑SC ❑NC ❑SC ❑NC ❑SC ZINC ❑SC ❑NC❑SC, , ❑NC ❑SCI❑NC ❑SC ❑NC ❑SC ❑ ❑ ❑ ❑ -- - ❑ ❑ 1 O ❑ - ❑ - *CONTAINER TYPE CODES: A = Amber C = Clear G= Glass P = Plastic; TL = Teflon -Lined Cap VOA = Volatile Organics Analysis (Zero Head Space) N Additional Comments: Site Arrival Time: Site Departure Time: Field Tech Fee. Mileage: ORIGINAL