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HomeMy WebLinkAboutNC0000396_Renewal Updated_20140731V DUKE ENERGY. PROGRESS RECEIVEDIDENRIDWR Duke Energy Progress ASVL PLT 1 200 CP &L Dr Arden, NC 28704 ' July 30, 2014 JUL 3 1 2014 ' Jeff Poupart, Supervisor water duality Permitting Section Wastewater Branch North Carolina Division of Water Resources 1617 Mail Service Center Raleigh, NC 27699 -1617 Subject: Duke Energy Progress, Inc. Asheville Steam Electric Plant NPDES Permit No. NC0000396 Buncombe County Update of Renewal application originally submitted on June 16, 2010 Dear Mr. Poupart: The current NPDES permit for the Asheville Steam Electric Plant expired on December 31, 2010. As Duke Energy Progress, Inc. (hereinafter "Duke ") made timely application for renewal of the subject NPDES Permit, consisting of EPA Application Form 1 — General Information, EPA Application Form 2C — Wastewater Discharge Information and EPA Application Form 2F — Stormwater Discharges Associated with Industrial Activity, all in triplicate, the site continues to operate under an administratively extended permit. Since several years have passed since the original renewal application submittal we are providing this update to the facility's NPDES application. This update consists of: 1. An updated map showing outfall locations in accordance with Form 1 Item XI. (An update of attachment 1 in the June 2010 application). 2. An updated line drawing showing water flow through the facility in accordance with EPA Form 2C Item II -A. (An update to Attachment 2 in the June 2010 application). 3. An updated description of Flows, Sources of Pollution and treatment technologies in accordance with EPA Form 2C Item II -B. (An update of Attachment 3 in the June 2010 application). 4. An updated list of chemicals in accordance with EPA Form 2C Item VI. (An update to attachment 4 of the June 2010 application). 5. A seep monitoring plan including site map, a summary of sampling analysis conducted of seeps and a monitoring plan for seeps. 6. An updated ground water monitoring plan which includes a receptor survey, sampling & analysis plan and a flow directional map. Duke also hereby provides an update to EPA Form 2C Item VII as follows: Since submission of the NPDES renewal application in June 2010, Duke has conducted an additional 16 toxicity samples in accordance with the terms of the subject permit. None of the tests exhibited toxicity at the required testing concentrations. 1 As originally requested in June 2010, with reissuance of the NPDES permit, Duke requests the ' following reductions in monitoring requirements based on analysis of sampling results during the term of the current permit: ' Outfall005 Remove sampling requirements for Beryllium, Cadmium, Chromium, Copper, Lead, Manganese, Nickel, Silver, Thallium, Zinc and Fluoride. ' Outfall001 ' Remove monitoring requirements for Beryllium, Cadmium, Chromium, Copper, Lead, Manganese, Silver, Thallium, Zinc and Fluoride. Reduce required monitoring for Mercury to monthly and express any limit for Mercury as a mass limit in accordance with 40 CFR 122.45(f). If you have any questions regarding the enclosed information please contact Shannon Langley ' at (919) 546 -2439. 1 certify, under penalty of law, that this document and all attachments were prepared under my direction or ' supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, ' including the possibility off nes and imprisonment for knowing violations. Sincerely, ,,4,, A lr�w,-4 ' Garry A. Whisnant - Manager Asheville Steam Electric Plant ' Enclosures I cc: Laurie Moorhead Shannon Langley O*AckO►t�^ µ,,;. it J `f�f—�Cy �..!_�.ti,•� ryT "(� �- Sj ,. Si. • F.. 160 / �/ 1 i'J •`` ��% .��7 ' % ` t'• • "' [`.� n Ilk '� �. r `1 ' •• \- w -� �y �; ors f� �- '. : 5 _��,• f• ^{ ,f i�\ �;.t b ~ .moo "1 ro• \i h ni 1p 'i Fk me sncr � � ppp � L :. (C- f��1, ;�. � ;R -•� tom-- -- it ti Asheville Plant Haven ra. errttOn Mtn 4 Mt CNni- Post Otte, RV 4 - 1 ter.`' r i'• ♦�� �' 4 l 9 ir of 1�', ►rylr , ! ..r`• i'` 1 S * , \' 0 800 1,200 2,400 3,600 4.800 Feet Attachment 1 — Form 1 — Item XI — Map Duke Energy Progress, Inc. Asheville Steam Electric Plant Buncombe County Page 1 of 2 July 2014 hd �j _ , Park••] z a •!1 S r �h 1 1 .. �'` t o ers At Sc�� ,+• •i+ Outfall 001 Uft fry t qr, u Sheri sop �� .•• f ^�_ 1964 Basin t I o _ ,� • 0 I pile.' � 1 ` Engineered - - -� Outfall002 1 1. seepage I `t oil At N 1982 Basin t , Mt Caem' • ` •' - ' ' Engineered k2 $7 r� seepage . ' • • . B 880 330 0 880 1,320 1,980 Feet W+ s Attachment 1 — Form 1 — Item XI — Map Carolina Power & Light Company Asheville Steam Electric Plant Buncombe County Page 2 of 2 July 2014 French Broad —) Make -Up River Water Intake D Settling —4 Zone 0 Consumptive 0 ?a Evaporation Loss Stormwater 1964 Ash Pond and Haul Preheater Ash Evaporation T Physical/ Dam Seepage Flue Gas Blowdown V Chemical Desulfurization R Cleaning Waste G Constructed treatment Equalization (Alt.) Basin Units 1 & 2 I S Lake Julian ,ondensers t Outfall 002 Lake N Intake F Structure Circulating Water Julian to Heat Exchanger U Diesel T Fire Fire Pum AA Protection O System Service Water Q Vendor supplied water treatment Combustion M ` Turbine Site Low Volume E Waste Sources Storm Water_ Public Potable and C Public Water Sanitary Sewage Supply System System Ash Sump 1982 Ash Pond, lined rim ditch or subsequent treatment J H K Coal Pile Dam Seepage Runoff FAt"tactt Evaporation Z y Secondary French Broad Settling River Basin A Outfall001 0 0 Pump and Haul Preheater Ash Evaporation T O Cleaning Sluice in Boilers Water : (Alt.) Alt. Chemical Metal R Cleaning Waste G Constructed ' Wetland (Alt.) 1982 Ash Pond, lined rim ditch or subsequent treatment J H K Coal Pile Dam Seepage Runoff FAt"tactt Evaporation Z y Secondary French Broad Settling River Basin A Outfall001 Duke Energy Progress, Inc. Asheville Steam Electric Plant — NPDES Permit Number NCOO00396 Attachment 2 Form 2C - Item II -A Flow, Sources of Pollution, and Treatment Technologies Stream Name Average Flow Comments A Ash Pond /Rim Ditch Discharge 3.52 MGD Outfall 001 B Intake to Once - through Cooling & Circulating Water to Heat Exchangers 255.1 MGD C Plant Potable and Sanitary Uses 0.002 MGD From POTW D Makeup to Lake from River 2.68 MGD 2009 Average E Low Volume Wastes • Ash Hopper Seals • Sandbed Filter Backwash • Boiler Blowdown • Truck Wash • Water purification process waste streams 0.05 MGD 2600 Gal /event 0.006 MGD Variable variable Rare Usage Startup - Estimated F Circulating Water from Heat Exchangers 19.3 MGD Estimated G Ash Sluice Water 3.03 MGD Estimated H Dam Seepage — 0.09 MGD Calculated I City Water Supply to Boiler Makeup 0 MGD Rare Usage J Coal Pile Runoff 0.01 MGD Based on Average Annual Rainfall of 47" and 50 % Runoff K Storm Water 0.07 MGD Estimated L Chemical Metal Cleaning Wastes 0 - 90,000 Gallons (0 gallons anticipated) Normal Practice is Evaporation M Water From Combustion Turbine Facility Operation (Blade wash activities) 0 - 0.02 MGD Intermittent N From Lake to Intake 256.59 MGD Estimated O Intake to Service Water 0.05 MGD Estimated Q Fire Protection Water 0.010 MGD Estimated R Air Preheater Cleaning 10,000 gallons /event Estimated S Discharge to Lake Julian 255.1 MGD T Emergency Fire Protection Water 0 Used for fire fighting Outfall 002 - Calculated U Diesel Fire Pump to Lake Julian 0.128 MG /week Estimate - pump testing V Flue Gas Desulfurization Blowdown 0.086 MGD Calculated X Intake to FGD system 01.08 MGD Y Chloride Dilution Water Lake water 0.35 MGD z FGD treatment system 0.376 MGD Outfall 005 AA Makeup water supply 22 Million gallons/ year Calculated Attachment 2 - form 2C - Item I IA Flows, Sources of Pollution, and Treatment Technologies Duke Energy Progress , Inc. Asheville Steam Electric Plant Buncombe County July 2014 Page 2of 2 Duke Energy Progress, Inc. Asheville Steam Electric Plant National Pollutant Discharge Elimination System Permit Number NC0000396 Attachment 3 July 2014 Administrative Update Form 2C - Item II -B Flow, Sources of Pollution, and Treatment Technologies The Asheville Steam Electric Plant is located in Arden, North Carolina south of Asheville, North Carolina. The plant has been in operation since 1964 and produces enough electricity to supply approximately 150,000 average houses. The Asheville Steam Electric Plant is a coal - fired, steam cycle electric generating plant with two coal -fired generating units. Two Internal Combustion (IC) Turbines are also located on the plant site. The plant has a 320 -acre cooling lake (Lake Julian) on the east side of the French Broad River in Buncombe County, North Carolina Chemical constituents contained in the discharges from this plant will, in part be representative of the naturally occurring chemical quality of the intake water and will also have chemical constituents of such quality and quantity associated with similar discharges for fossil generating facilities of this size, type and in this geographical location. Either all or part of the elements listed on the Periodic Table, either singularly or in any combination, may from time to time be contained in the discharge. Outfall 001 - Discharge from Ash Pond or Lined Rim Ditch to French Broad River The Plant's ash pond (hereinafter referred to as the 1982 ash pond), is located east of the French Broad River, south of the plant and discharges into the French Broad River. As of July 2014, the 1982 ash pond is being excavated for material to be used in a lined, structural fill project at the Asheville airport. To facilitate that process, Duke engineered and constructed a temporary lined rim ditch with the full knowledge and approval of the North Carolina Division of Water Resources to temporarily process wastewater generated while the 1982 ash pond was being excavated. The lined rim ditch is located within the area of the 1964 ash pond. Additionally, with the approval of the North Carolina Department of Environment and Natural Resources, Duke relocated treated waters from the 1982 ash pond and lined rim ditch to a new outfall location on the French Broad River. This relocation was necessary to allow for enhancement to the dam of the 1964 ash pond to bring it up to current engineering standards. The ash pond and /or rim ditch receives ash sluice water, various low volume wastes, coal pile runoff, limestone pile runoff, gypsum pile runoff, air pre- heater cleaning water, fire protection 1 .lulu 2014 Duke Energy Progress, Inc. Asheville Steam Electric Plant National Pollutant Discharge Elimination System Permit Number NC0000396 system drainage, chemical metal cleaning wastes, reverse osmosis system reject water, storm water and other waters from the Combustion Turbine Facility on the Plant's site. Wastewater from the plant's truck wash and weigh stations also are directed to the plant's 1982 Ash Pond or rim ditch. Accumulated water within the boundaries of the 1964 ash pond may also be transferred to the 1982 pond rim ditch or directly to outfall 001. Water levels in the 1964 pond will be maintained below a maximum elevation identified for dam safety concerns. Water from the 1964 ash pond is directed to outfall 001 as needed to maintain the water level below the required elevation. The ash ponds and/or rim ditch provides treatment by sedimentation and neutralization to the above - referenced individual waste streams. Water leaves the 1982 ash pond and /or rim ditch via a standpipe with skimmer and flows by pipe to a lined secondary settling basin via either the 1964 ash pond or via direct discharge by pipe, where it is then discharged by overflow to a pipe that coveys it to the French Broad River. Toe drains from both the 1982 pond and the 1964 ash pond drain to the French Broad River. Detailed descriptions of the individual waste streams are below. Additionally, a detailed map with the location of various seeps on the property is being provided as part of this permit application. Ash Sluice Water Fly ash and bottom ash from both units are hydraulically conveyed by an ash sluice pipeline to the ash pond and /or lined rim ditch. As needed, alum and /or other chemical flocculants and coagulants may be added to the ash sluice influent to aid settling. A Selective Catalytic Reduction system (SCR) is operated on both Unit 1 and Unit 2 for NOx emissions control. Urea is injected to reduce NOx emissions. A byproduct of this process is an "ammonia slip" which will be carried to the 1982 ash pond and /or lined rim ditch via ash sluice water. As necessary, a system to mitigate SO3 emissions may also inject additional ammonia into the combustion process. This mitigation system has not been needed to date but may become necessary as fuel sources change. Various wastewater boiler sediments and ash accumulations from wastewater processes collected during maintenance activities may also be physically transported to the 1982 ash pond and /or lined rim ditch. The ash pond and /or lined rim ditch discharge combines with the FGD treated wastewater and flows into the secondary settling pond prior to discharging to the French Broad River. With the approval of the North Carolina Division of Water Quality, Duke Energy Progress, Inc. relocated this secondary settling pond and discharge point to facilitate modifications designed to enhance the 1964 ash pond dam's safety factor. Plans are being developed to potentially retrofit the electric generation units to handle fly ash as a dry material to be disposed of in a landfill or reused in a beneficial reuse 2 July 2014 Duke Energy Progress, Inc. Asheville Steam Electric Plant National Pollutant Discharge Elimination System Permit Number NC0000396 project. This retrofit may be completed during the term of the next permit. Bottom ash may continue to be handled wet or may be converted to a system considered to be dry handling system by EPA. Coal Pile Runoff Storm water runoff from the coal pile is collected in drainage ditches that surround the coal pile. The drainage ditches are routed to the 1982 ash pond or lined rim ditch for treatment. During maintenance activities, sludges removed from catch basins, sumps, etc. may be transported to either the 1982 ash pond, lined rim ditch or the 1964 ash pond for disposal. Limestone and Gypsum Piles Runoff Storm water runoff from the limestone and gypsum piles is collected in drainage ditches which are routed to the 1982 ash pond or lined rim ditch for treatment. During maintenance activities, sludges removed from catch basins, sumps, etc. may be transported to the 1964 ash pond, lined rim ditch and /or the 1982 ash pond for disposal. IStorm Water Storm water runoff from the plant area, parking lots, combustion turbine area, oil storage and handling facility and the plant's substations is routed to the ash ponds and /or lined rim ditch for treatment. During maintenance activities, sludges removed from catch basins, sumps, etc. may be transported to the 1964 ash pond, lined rim ditch, and /or the 1982 ash pond for disposal. Low Volume Wastes Boiler water make up is withdrawn from Lake Julian and purified utilizing vendor supplied equipment. Boiler water is treated with ammonia, hydrazine, and sodium hydroxide. Boiler blowdown and drainage is sent to the ash pond and/or lined rim ditch and may contain small quantities of the chemicals. A new Reverse Osmosis system or alum coagulation /filtration service is used in conjunction with the vendor supplied equipment to provide water for various plant processes. The reject stream from the Reverse osmosis unit is sent to the 1982 ash pond and /or lined rim ditch. Some molybdate waste from the closed cooling water system is created through valve leakage and maintenance activities and is discharged to the 1982 ash pond and /or lined rim ditch. A furnace ash hopper seal is maintained by using plant service water. A standard operation water level is maintained in a seal trough for the ash hopper seal. Overflow 3 .luly 2014 Duke Energy Progress, Inc. Asheville Steam Electric Plant National Pollutant Discharge Elimination System Permit Number NC0000396 from this trough is discharged to the 1982 ash pond and/or lined rim ditch. A sodium hydroxide solution is fed into this flow stream as necessary for ash pond /rim ditch pH adjustment. Sulfuric acid is fed to the ash sluice water as necessary for 1982 ash pond and/or rim ditch pH adjustment to comply with NPDES permit requirements. Coal dust suppression is achieved by spraying a proprietary chemical on coal at different stages of coal use. Small amounts of excess dust suppression chemical have the potential to be discharged to the 1982 ash pond and /or lined rim ditch via plant drains or coal pile runoff. Small amounts of urea waste from bulk urea unloading operations are discharged to the 1982 ash pond and/or lined rim ditch. All plant area floor drains are routed to the 1982 ash pond and /or lined rim ditch and include equipment drainage and wash down along with rainfall runoff. During maintenance activities sludges removed from catch basins, sumps, etc. may be transported to the 1982 ash pond, the lined rim ditch, and /or the 1964 ash pond for disposal. In many cases, added chemicals are consumed or chemically altered during the plant processes. Only trace amounts might be recoverable in water entering the 1982 ash pond and /or lined rim ditch. Detectable levels of these chemicals would not be expected to occur in ash pond or rim ditch discharges. Flue Gas Desulfurization Blowdown (Low Volume Waste) The Flue Gas Desulfurization (FGD) system directs flue gas into an absorber where a limestone (calcium carbonate) slurry is sprayed. Sulfur dioxide in the flue gas reacts with the limestone to produce calcium sulfate (gypsum). This system reclaims any unreacted limestone slurry to be reused in the absorber. A small blowdown stream is used to maintain the chloride concentration in the reaction tank. The blowdown stream is passed through a clarifier to remove solids and the chloride concentration in the waste stream is diluted using water from Lake Julian. Chemicals are used to adjust pH and to aid solids removal in the clarifier. A constructed wetland is used to remove metals, mercury and selenium specifically, and the treated wastewater is discharged into the secondary settling pond. To facilitate possible closure of the 1964 pond, the wetland treatment cells may be discontinued and any additional necessary treatment constructed to treat FGD wastewater after the physical chemical treatment system. The treatment necessary will largely be dependent on the final steam electric effluent guidelines currently projected to be finalized in September, 2015. Air Preheater Cleaning (Low Volume Waste) 4 It 2014 Duke Energy Progress, Inc. Asheville Steam Electric Plant National Pollutant Discharge Elimination System Permit Number NC0000396 The air preheater will be water washed once per year or more frequently as needed. The wastewater from this activity will be discharged to the 1982 ash pond or lined rim ditch. ' Chemical Metal Cleaning Wastes The boilers are chemically cleaned every five -to -eight years using tetraammonia ethylene ' diamine tetraaccetic acid (EDTA) solution. This cleaning solution and its rinses are stored on site for disposal by evaporation in an operating unit's furnace. Typical cleanings would result in a waste of approximately 80,000 gallons. Should evaporation not be used, the wastewater can be treated by neutralization and precipitation prior to being conveyed to the 1964 ash pond, or ' to the 1982 ash pond and /or lined rim ditch, or other means of disposal. Cleaning of other heat exchanger surfaces may produce 5,000- 10,000 gallons of wastewater every three -to -five years. Other Low volume Wastes Operation of the combustion turbine (CT) generation facility may produce turbine blade wash water, inlet filter cooling water, various condensate waters, and water from equipment and tank drains. These wastewaters will be collected in the storm water collection system of the CT site and routed to the 1982 ash pond and /or lined rim ditch. During maintenance activities, sludges removed from catch basins, sumps, etc. may be transported to the 1964 ash pond, the 1982 ash pond, and/or the lined rim ditch for disposal. Plant Potable and Sanitary System The supply of water for plant potable and sanitary use is obtained from the Asheville /Buncombe Water Authority system and waste from this system is discharged to the Metropolitan Sewage District System. Herbicide and Pesticide Usage in the Treatment System Ponds Herbicides may be used as needed to control nuisance aquatic vegetation. These herbicides are applied by licensed applicators, or persons under the immediate supervision of a licensed applicator. Pesticides may be used as needed including the performance of biological assessments. The pesticides will be applied in accordance with the Pesticide General Permit NCG560000, where applicable, and the manufacturer's instructions. 5 July 2014 Duke Energy Progress, Inc. Asheville Steam Electric Plant National Pollutant Discharge Elimination System Permit Number NC0000396 230 KV Substation Storm Water Storm water runoff from the substation located adjacent to the plant is conveyed to the 1964 ash pond. This water may be transferred to the 1982 ash pond and /or the lined rim ditch as needed to maintain appropriate water levels in the 1964 ash pond. Outfall 002 - Discharge to Lake Julian Once - Through Cooling Water This flow provides condenser cooling water for the generating units 1 and 2. Maximum condenser flows for units 1 and 2 are 150 MGD and 156 MGD, respectively. Once - through cooling water is used to supply non - contact cooling water for the component closed cooling water system. The component closed cooling water system flows combine with unit 1 and 2 condenser flows prior to discharge to Lake Julian. Maximum component closed cooling water system flows for unit 1 and 2 are 9.1 MGD and 10.2 MGD, respectively. Discharge flow to Lake Julian is calculated at the intake to units 1 and 2 condensers and to the circulating water to the heat exchanger. The discharge of water from the heat exchangers is routed to an ash sump. The majority of this water is further routed to the discharge of units 1 and 2 condensers. Less than one percent of the flow to the ash sump is used to supply ash sluice water, preheater cleaning water, and fire protection water. Control of biological fouling on heat - exchanger surfaces is accomplished by addition of sodium hypochlorite as required, which is usually less than 2 hours per day per unit, with a net total residual chlorine of less than 0.2 ppm discharged during that period. Cooling is accomplished by evaporation from the surface of Lake Julian and mixing and convection with lake waters. Make up for Lake Julian is from the French Broad River, natural runoff and creek flows. Water is pumped from the French Broad River during dry periods to supplement the flow. Although discharge from Lake Julian to the river is extremely rare, any occurrence would be during periods of heavy rainfall. Herbicide and Pesticide Usage in the Treatment System Ponds Herbicides may be used as needed to control nuisance aquatic vegetation. These herbicides are applied by licensed applicators, or persons under the immediate supervision of a licensed applicator. Pesticides may be used as needed including the performance of biological assessments. The pesticides will be applied in accordance with the Pesticide General Permit NCG560000, where applicable, and the manufacturer's instructions. 6 .luly 2014 ' Duke Energy Progress, Inc. Asheville Steam Electric Plant National Pollutant Discharge Elimination System Permit Number NC0000396 Attachment 4 IForm 2C - Item VI - Potential Discharges Not Covered By Analysis Chemical Estimated Quantity Frequency Purpose Used er ear Hydrazine (35 %) 1840 lb./yr. Continuous Oxygen scavenger in boiler Ammonium hydroxide 2730 lb./yr. Continuous pH control of boiler water Sodium hydroxide 141,139 Ib. /yr Continuous pH control of ash pond 25 Sodium hydroxide 30 gallons As required pH control of boiler 50% water Sodium hypochlorite 91,072 lb./yr. As required Control of biological (15 %) fouling on heat exchan ers Sodium molybdate 100 pounds As required Corrosion control in closed cooling water system Tetraammonia EDTA 35,000 pounds Every 5 to 8 years Boiler cleaning 38% Urea (50 %) 4165 tons /yr. Continuous during NOx control high ozone months Sulfuric acid (93 %) Variable As needed pH control of ash pond Sulfuric acid 50% Variable As needed pH control of ash pond BetzDearborn Dustreat 11,400 pounds - As required Coal dust suppression - DC9136 estimated proprietary chemical Fyrewash (detergent) 200 gallons As needed Combustion turbine blade washing Detergents /cleaning Variable As needed Housekeeping agents Limestone (Calcium 40,000 tons /yr. Continuous Flue Gas carbonate ) Desulfurization Polymer (high weight, 3255 lb./yr. Continuous Solids removal — FGD anionic, emulsion-type) wastewater Calcium Hydroxide 435 ton /yr Continuous Applied to flue gases (Hydrated Lime for treatment Coagulant (Sodium 3060 lb./yr. Continuous Solids removal — FGD Sulphide) wastewater Sodium Hydroxide 17600 lb./yr. Continuous pH adjustment — FGD 25% wastewater Hydrochloric Acid 400 gallons - Continuous pH adjustment — FGD 30% estimated wastewater Lime Away Variable As needed Remove scale on UV PanP 1 of 3 RPV July. 2014 Duke Energy Progress, Inc. Asheville Steam Electric Plant National Pollutant Discharge Elimination System Permit Number NC0000396 Pane 2 of 3 Rev. July 2014 light system Trac 101 11,177 Ib /yr Continuous Algae growth inhibitor for FGD service water Magnesium Hydroxide Variable Continuous Applied to coal for slag control Calcium Carbonate 355 ton /yr Continuous Applied to coal for slag control Aluminum Chloride variable As required Water treatment Hydroxide 25 % -50% processes, TSS control Alum Sumachlor 50 As needed Coagulant for water treatment filter PW74AS or As needed R.O. Anti - scalant Hypersperse MCD772 (Organic Polymer) 50% Caustic Variable for R.O. pH As needed for pH R.O. pH adjustment adjustment adjustment and 1000 gallons for Periodic Typically 4/yr R.O. cleaning per for R.O. cleaning R.O. cleaning event Hydrochloric Acid 1000 gallons /event Periodic Typically 4 /yr R.O. membrane cleaning Citric acid 1000 gallons /event Periodic Typically 4 /yr R.O. membrane cleaning Verseen 100 — 12 gallons Periodic Typically 4/ r R.O. Cleaning Hydrogen Peroxide — 1 gallon Periodic Typically 2/yr R.O. Cleaning 35% Biomate MBC781 — 1 gallon Variable 2 /yr for R.O. cleaning and at each shut down for la u . Bisulfite (sodium As needed R.O. layup bisulfite 600 gallo ns /event Defoamer (Nalco 10 gallons As needed Used once for foaming 60103 ) in absorber tower sump Alkyl alcohol Variable As needed Freeze conditioning agent Propylene Glycol Variable As needed Freeze conditioning agent Calcium Chloride Variable As needed Freeze conditioning agent Diethylene glycol Variable As needed Freeze conditioning agent Glycerin variable As needed Freeze conditioning agent Fertilizer Variable As needed Wetland treatment cell plant management Pane 2 of 3 Rev. July 2014 Duke Energy Progress, Inc. Asheville Steam Electric Plant National Pollutant Discharge Elimination System Permit Number NC0000396 Pelletized Lime Variable As needed Wetland treatment cell plant management Pol Floc 12 Variable Continuous TSS Control PolyClean 7 Variable As needed Organic growth inhibitor for WWT polymer tank EcoGreen Variable As needed Dust suppression for ash stockpile PanP 3 of 3 RPV hjly. 2n14 tip synTerra SEEP MONITORING REPORT - JUNE 2014 FOR ' ASHEVILLE STEAM ELECTRIC PLANT 200 CP &L DRIVE ' ARDEN, NORTH CAROLINA 28704 NPDES PERMIT #NC0000396 PREPARED FOR DUKE ENERGY PROGRESS, INC. RALEIGH, NORTH CAROLINA DUKE ENERGY.. PROGRESS SUBMITTED: JULY 2014 erry �, 'N P 1425 Projec G _ologist ath ebb, NC PG 1328 �i Project Manager Seep Monitoring Report July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra TABLE OF CONTENTS SECTION PAGE Executive Summary 1.0 Introduction ....................................................................................... ..............................1 2.0 Seep Monitoring ............................................................................... ............................... 2 2.1 Seep Identification ...................................................................... ............................... 2 2.2 Seep Flow Measurement ............................................................ ............................... 2 2.3 Seep Sample Collection .............................................................. ............................... 3 3.0 Recommendations ............................................................................. ..............................5 List of Figures Figure 1— USGS Location Map Figure 2 — Identified Seeps and Water Quality Sample Location Map List of Tables ' Table 1— Seep Locations and Descriptions Table 2 — Seep Analytical and Flow Measurement Results Table 3 — Analytical Methods List of Appendices Appendix A — Sample Preservation and Holding Time Page P: \Duke Energy Progress.1026 \Asheville \ NPDES Permit Assistance \Seep Report \Asheville June Seep Monitoring Plan July 30, 2014.docx Seep Monitoring Report July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra EXECUTIVE SUMMARY The following report summarizes an evaluation of the Asheville Steam Electric Plant 1964 and 1982 ash pond dam engineered drains and seepage flow downgradient of the ash ponds toward the French Broad River. The evaluation included a detailed site reconnaissance to identify potential seeps followed by the collection of flow measurements and representative water quality samples at select locations. The site reconnaissance was conducted during the spring of 2014. Representative seep locations were evaluated for water quality and flow rates during June 2014. Wastewater discharges from the ash ponds are permitted by the North Carolina Department of Environment and Natural Resources (NCDENR) Division of Water Resources (DWR) under National Pollution Discharge Elimination System (NPDES) Permit NC0000396. The purpose of the evaluation was to determine additional potential outfalls for inclusion within the permit. ' Seventeen representative seep locations, the 1964 and 1982 ash pond dam engineered drains and two surface water locations on the French Broad River were sampled for ' water quality analysis on June 25 and 26, 2014. Interstate 26 is located between the Asheville Steam Electric Plant and the French Broad River. Ten of the sample locations were located in the floodplain of the French Broad River on the west side of Interstate ' 26. The samples from the French Broad River were collected upstream of the Asheville Plant property (FB -01) and downstream of potential seep influence (FB -02). The low volume of water characteristic of the seeps coupled with the relatively low constituent concentrations in the samples suggest that there is little potential to influence water quality of the French Broad River. If reasonable potential analyses ' demonstrate that there is no potential to exceed water quality standards, then Duke Energy proposes to re- evaluate the seep locations listed in this document annually over the next 5 -year permit cycle. These annual evaluations would be documented and ' would verify the condition of the existing seeps and determine the presence of new seeps. DWR will be promptly notified if any new seeps are identified or any significant ' changes are observed for the existing seeps. If any existing or newly identified seeps are determined to reach the French Broad River and demonstrate reasonable potential to exceed a water quality standard, Duke Energy will do one of the following: (1) stop ' the seep; (2) capture and route the seep so it is discharged through a NPDES permitted outfall; or (3) address the seep using Best Management Plans approved by DWR. P: \Duke Energy Progress.1026 \Asheville\ NPDES Permit Assistance \Seep Report \Asheville June Seep Monitoring Plan July 30, 2014.docx ' Seep Monitoring Report July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra ' 1.0 INTRODUCTION ' Duke Energy Progress, Inc. (Duke Energy) owns and operates the Asheville Steam Electric Plant (Asheville Plant) located on approximately 786 acres in Arden, Buncombe County, North Carolina. The majority of the Asheville Plant operations are situated ' between Lake Julian to the east and I -26 to the west. The western property line follows the French Broad River. The topography of the plant property is shown on Figure 1. ' The Asheville Plant began operations in 1964. Lake Julian was created by damming Powell Creek to provide cooling water for the plant. Lake Julian is supplemented with water pumped up from the French Broad River. Coal combustion residuals (CCRs) were originally sluiced to an ash pond situated in the northwest area of the plant proper (on the east side of I -26). The original ash pond is generally referred to as the '1964 ash pond'. In approximately 1982, a second ash pond was constructed adjacent to the south side of the 1964 ash pond. The second ash and is generally referred to as the '1982 ash P P g Y pond'. Currently, lined wastewater treatment units are located on the 1964 pond. The ' 1982 pond is currently being dewatered and the ash is being removed for beneficial fill at the Asheville Regional Airport. Wastewater discharges from the ash ponds are permitted by the North Carolina Department of Environment and Natural Resources (NCDENR) Division of Water Resources (DWR) under National Pollution Discharge Elimination System (NPDES) Permit NC0000396. The following report summarizes an evaluation of the engineered drains associated with the 1964 and 1982 ash pond dams and seepage flow downgradient of the ash ponds toward the French Broad River. The evaluation included a detailed site reconnaissance to identify potential seeps followed by the collection of flow measurements and representative water quality samples at select locations. The site reconnaissance was conducted during the spring of 2014. Representative seep locations were evaluated for water quality and flow rates during June 2014. Page 1 P: \Duke Energy Progress.1026 \Asheville\ NPDES Permit Assistance \Seep Report \Asheville June Seep Monitoring Plan July 30, 2014.docx Seep Monitoring Report July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra ' 2.0 SEEP MONITORING ' 2.1 Seep Identification A detailed reconnaissance of the 1964 and 1982 ash pond dams and the areas downslope to the French Broad River was conducted during the spring of 2014 to ' determine locations of possible seeps. Representative seep locations were further evaluated in June 2014 with the collection of flow rates, water quality data, photographs and GPS survey information. Table 1 lists the representative seep locations and ' engineered drains associated with the two dams. The summary table includes the latitude and longitude of each location, a general description of its physical location, ' and general flow observations. The locations of the representative seeps evaluated in June 2014 are shown on Figure 2. Seepage flow is generally variable. Flow may increase or decrease depending on the amount of rainfall, groundwater levels, weather conditions, and other factors. ' 2.2 Seep Flow Measurement Flow measurements were collected on June 25 and 26, 2014 at the seep and engineered drain locations using either a Son -Tek FlowTracker ® Acoustic Doppler Velocimeter or ' the timed - volumetric method. The FlowTracker® measures stream velocity and discharge using sound waves. The timed - volumetric method was used for locations ' where the channel configuration or the seep flow rate was not conducive for the FlowTracker® to record a signal. The engineered drains are designed to allow for collection of flow rates using the timed- volumetric method. ' The timed - volumetric method included the collection of a measured volume of water from the seep or engineered drain directly into an appropriately sized container ' (graduated cylinder or bucket). The seep flow was routed to a container. The amount of time (in seconds) required to collect a known volume of water was recorded. Approximately three to five timed volumes were recorded for a seep location. The ' average flow rate for the seep was calculated based on an average of the timed volume measurements. ' The Flowtracker® was used to measure seep flows where the volume of flow and the depth of the flow channel were adequate. The method is designed for wadeable ' streams. Use of the FlowTracker® was generally limited to channels of sufficient width (approximately 0.5 ft. or greater) and depth (approximately 0.17 ft. or greater). Flow measurements (water velocity and depth) within the instrument's internal quality ' assurance and quality control bounds were recorded. Locations were selected where channel banks were fairly parallel. The channel width was measured at the water line. ' Page 2 P: \ Duke Energy Progress.1026 \ Asheville \ NPDES Permit Assistance \ Seep Report \ Asheville June Seep Monitoring Plan July 30, 2014.docx Seep Monitoring Report July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra ' If the channel width was less than one foot, the average depth was recorded and three velocity measurements were taken. The average of the three velocity measurements ' and the channel volume (depth and width) were used to calculate the discharge at a given location. ' If the channel width at the water line was between 1.0 and 2.5 feet, velocity and depth were recorded at a minimum of three locations spaced evenly across the channel. If the channel width was between 2.5 and 5 feet, velocity and depth were recorded at a ' minimum of five evenly spaced locations. The flow velocity measurements were collected at approximately 60% of water depth as appropriate due to water depths IN being less than 2.5 feet. Engineered drains at the base of the 1964 ash pond, 64EO -1 and 64EO -2, collect water into two PVC pipes where flow rates can be collected used a bucket and stop watch (timed - volumetric method). A section of the 1964 dam seeps into a swale along the dam access road. The point where the seep is consolidated to flow under the road is referred to as 64EO -3. The flow rate at this location was measured using a peristaltic pump to collect the seep into a graduated cylinder (timed - volumetric method). The engineered drains at the base of the 1982 ash pond are collected in a weir box. Plant personnel routinely measure the flow rates from the water height on the weirs. The June 2014 flow rates were collected using the timed - volumetric method. Seep and engineered drain flow rates recorded during June 2014 are summarized in Table 2. 2.3 Seep Sample Collection Seventeen representative seep locations, the 1964 and 1982 engineered drains and two surface water locations on the French Broad River were sampled for water quality analysis on June 25 and 26, 2014. Interstate 26 is located between the Asheville Steam Electric Plant and the French Broad River. Ten of the sample locations were located in the floodplain of the French Broad River on the west side of Interstate 26. The influence of I -26 on the seep flows and characteristics is unknown. The samples from the French Broad River were collected upstream of the Asheville Plant property (FB -01) and downstream of potential seep influence (1713-02). The June 2014 sample locations are described in Table 1 and are shown on Figure 2. Water quality samples were collected from the seep locations directly into sample ' containers. Care was taken to avoid disturbing and entraining particulate, soil or sediment. During sample collection, in -situ field parameters (temperature, pH, specific ' Page 3 P: \Duke Energy Progress.1026 \Asheville\ NPDES Permit Assistance \Seep Report\Asheville June Seep Monitoring Plan July 30, 2014.docx Seep Monitoring Report July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra conductance) were measured utilizing a YSI Pro Plus multi - function meter. Turbidity was also measured in the field using a Hach 2100Q turbidimeter. The French Broad River samples were collected midstream as grab samples from a depth of approximately 1 meter. Laboratory analyses were conducted by Duke Energy's Huntersville analytical laboratory (NC Wastewater Certification #248) and Pace Analytical Laboratories (NC Wastewater Certification # 12). A summary of the analytical results and flow rates are presented in Table 2. A listing of analytical parameters and associated methods for the June sampling event are included in Table 3. Sample handling, storage, and preservation methods are summarized in Appendix A. Page 4 P: \Duke Energy Progress.1026 \Asheville\ NPDES Permit Assistance \Seep Report \Asheville June Seep Monitoring Plan July 30, 2014.docx Seep Monitoring Report July 2014 Asheville Steam Electric Plant, NPDES Permit # NCO000396 SynTerra 3.0 RECOMMENDATIONS The low volume of water characteristic of the seeps coupled with the relatively low constituent concentrations in the samples suggest that there is little potential to influence water quality of the French Broad River. If reasonable potential analyses demonstrate that there is no potential to exceed water quality standards, then Duke Energy proposes to re- evaluate the seep locations listed in this document annually over the next 5 -year permit cycle. These annual evaluations would be documented and would verify the condition of the existing seeps and determine the presence of new seeps. DWR will be promptly notified if any new seeps are identified or any significant changes are observed for the existing seeps. If any existing or newly identified seeps are determined to reach the French Broad River and demonstrate reasonable potential to exceed a water quality standard, Duke Energy will do one of the following: (1) stop the seep; (2) capture and route the seep so it is discharged through a NPDES permitted outfall; or (3) address the seep using Best Management Plans approved by DWR. Page 5 P: \Duke Energy Progress. 1026 \Asheville \NPDES Permit Assistance \Seep Report \Asheville June Seep Monitoring Plan July 30, 2014.docx FIGURES �T�? APPENDIX A ANALYTICAL SAMPLE HANDLING, PRESERVATION, AND HOLDING TIME ' REQUIREMENTS FIGURES as . • —� < . Uak F • A. ; All rn a 160 •` 'n' Yland Park Nat ally Cb L O e•s _ Y Son Se \ 29b$ r ./l .t�Ih4.1d ,M, .^ R ji - y p. •/t , (xil� .ri r �\ti. f "� �,K J.• + 4r. � -Shoa •:� i. •�� �1\,b � r__ ati I 0 � /' � I � /1 � 1 . 1 .,r\ �- \� '� j .lam /�'• � BF r ! • t LA KE JULIAN , - �; �, ► "rl'� '�'"!. 500, COMPLIANCE \ },' °L' \'• �_� BOUNDARY 3 SIR WASTE hevi Stea n P1ahr BOUNDARY - I DUKE ENERGY PROGRESS- s �f' 'ASHEVILLE PLANT �? ltton.Mth /'�� -��j ,� _ '" ! , '. P`' - ..���� vYate� �•� "_ • T — r� ���t t ...1a PROPERTY BOUNDARY v. ; Mi sy_ IjSB k t �` PDSt oftlre. f -�sl�T pa k •Crescen �• r- ,� s V 204' / v •~ r :tom` u_ C. a o ►i x!�, ti 1 l �i4 g ,1 F.r, �� ' ,c/ `.�� P �.��^ I +;, '��,\ 1 Y � Silf19F�"' � S� ` = _ •��,, � � ' / rr IVY ri t 2'047 - I !t'`A1 Trd[TU.' u�t' r - - ,\ :: 1 p �. -bf r , i • Park' �; ! 3N SOURCE: RNdloer� 4 ` mor USGS TOPOGRAPHIC MAP OBTAINED FROM GEOSPATIAL DATA \ j r 1 \ ypr GATEWAY AThttp : / /datagateway.nres.usda.gov/ FIGURE 1 SITE LOCATION MAP DUKE ENERGY PROGRESS - ASHEVILLE PLANT 200 CP&L DRIVE synTerra ARDEN, NORTH CAROLINA BUNCOMBE COUNTY SKYLAND NC QUADRANGLE 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA DRAWN Br S ARLEDGE DATE 07/25/2014 GRAPHIC SCALE PHONE 864 -421 -9999 PROJECT MANAGER KATHY WEBB CONTOUR INTERVAL' 20 FT 1000 0 1000 2000 w .synterracorpxom LAYOUT FIG I (USGS SITE LOCATION) MAP DATE 1991 IN FEET TABLES 1 N c � C as `u ' y V) Q j C v v L O A a U •i c _ 1 d O N L' a o E A A V IM Z F 0 O na In H a r a O N N Y d 7 ' C O 'f Y n D Y v J Q T n v n w i 0 A U a v a, N O N Ol C 0 0 v v E A A C 3 0 0 m 0 a � u c d � Y o L N A C Y N A v C O Ln 03 0 O u 01 OJ N > cz v C 3 o � p A o C - ^ N a m N Y L n A J A a+ u C OJ ^ Ou N `1 LL ` Y � A OA E 0 U n Q C N N A v E N 3 i n n o v E Q > L CO � C > N O/ L w N 0J N 3 OJ C i_ _ u O n A `o v v 3 E °-' v � o n c o � 3 Y m E 0 L a C u A A u c v > N u 3 N 6 A ly O o r m g n yOj U y L A 3 > A C j p d A n a A o v a o v u OJ t 0C O C C C O N O u N O C o r v o o E v v E v n n m a v A 3 U y w m E o E y > > a > ° E L o v u ° qj L ° OJ O 01 p Y LL n v E O C A O L u o H m o n n OJ n 0 u' z o y E E > Y p C N .y N U1 O N L A > A > E N O C O OJ Y C A n N 41 .w .d YVAi r. u O Y O u v ° -5 rn a 3 u A m n Y E m � m � E y _ y A E a n v v v v v K `1 v A y 00 d > 1`i N E c 0 C o c O c o c O ar v v c n A `1 A n p1 00 ,., C L. v A o t to n a L n L n L n L LL N E Q O1 d °' 01 ° Y N N A N A N A > v N n ; ° ° v c 00 L n c v m m v U Ol Ol Ol Ol 01 C T L' L u 3 ¢ 3 o a 0' LL va, o L > y o > 3 E E E E E E o R v Y A n 5 u E a o 0 0 0 0 O U n N N O Y N C C C C C A A E O O o c E o = v n v n v v V c v V c u c w c o > > V c 0) E E v n E v E (U A v v v a v n w aww v v A n A y y u o o v ,o A A v c c c E c c v 3 c c iu : V1 U') A =i 0 O 0 u o U a Z m v ¢ ¢ V Ul Ul a Ln w w w o w w C N 0 N 0 N 0 N 0 N N 0 N O N N 0 N N J N J N J J N 0 N J N N 'N i N 0 N 0 N N J 0 O O O O o O O O 0 O O 0 O O O O O O O O 0 0 O 0 O O Y CL O- z w N C C C C G C C C C N C C y C C C y O U O U O U O U O U O U O V O V O U O U O U O U O U O U O U O U O U O U V O V O u U O U O u N d YL 7 M In M In In L4 O In 01 V O Ol V It V N V N V 10 V -1 V N V N ✓l vl V cr In V 't .+ In N In V V 't 01 V In V In V A « IA 111 V1 V1 V1 I!1 Ln N1 llt ltl In to vt N vl 41 llt V1 4l1 tl1 Ih IA U'f Ilt Ilt C N N N N N N N N N N N N N N N N N N N N N N N N 7 p c0 CO C? 00 00 00 Ib O o) of W W N W a0 W 00 W 00 CO 00 10 00 O O J U C .i Ol 10 N 10 to M M M V V V 00 M N N V 00 m N V V A N N 10 10 10 1D 10 10 1D 10 10 10 10 N Vl N "0 "0 N a 10 v 1p a 10 v 0 v 1D v 0 j M V1 M Lf1 M to M to M V1 M 1(1 M V1 M to M to M vl M to M Vl M vl M Vl M N M IA M Ill M L!'1 M l!1 M N M an M Vt M N M J 0 .ti N a o 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N ¢ ¢ m U U W IL LL ti Y Y Z m m ° U) L u'l I I I I I t° 3 -t It I 1a0 m m Y n D Y v J Q T n v n w i 0 A U a v a, N O N Ol C 0 0 v �a N S C � L O N N i r a a � T C �t A d N N c w o a, HE Q D Nf 2 z 3 S C [ E L E a ��� ■moo ■ ■ ■ ■�■ a' ■o�u ■u�■ ■ate - ------ .... .. 2 z 3 S C [ E L E a Table 3 Seep Analytical Methods Duke Energy Progress - Asheville Plant Asheville, North Carolina Parameter Method Reporting Limit Units Lab COD HACH 8000 20 mg /L Duke Energy Aluminum (Al) EPA 200.7 0.005 mg /L Duke Energy Antimony (Sb) EPA 200.8 1 ug /L Duke Energy Arsenic (As) EPA 200.8 1 ug /L Duke Energy Barium (Ba) EPA 200.7 0.005 mg /L Duke Energy Boron (B) EPA 200.7 0.05 mg /L Duke Energy Cadmium (Cd) EPA 200.8 1 ug /L Duke Energy Calcium (Ca) EPA 200.7 0.1 mg /L Duke Energy Chloride EPA 300.0 5 mg /L Duke Energy Chromium (Cr) EPA 200.8 1 ug /L Duke Energy Copper (Cu) EPA 200.8 1 ug /L Duke Energy Fluoride EPA 300.0 1 mg /L Duke Energy Hardness EPA 200.7 0.19 mg /L (CaCO3) Duke Energy Iron (Fe) EPA 200.7 0.01 mg /L Duke Energy Lead (Pb) EPA 200.8 1 ug /L Duke Energy Magnesium (Mg) EPA 200.7 0.05 mg /L Duke Energy Manganese (Mn) EPA 200.7 0.005 mg /L Duke Energy Mercury (Hg) EPA 245.1 0.05 ug /L Duke Energy Molybdenum (Mo) EPA 200.8 1 ug /L Duke Energy Nickel (Ni) EPA 200.8 1 ug /L Duke Energy Oil and Grease EPA 1664B 5.0 mg /L Pace Analytical Selenium (Se) EPA 200.8 1 ug /L Duke Energy Sulfate EPA 300.0 5 mg /L Duke Energy TDS SM2540C 25 mg /L Duke Energy Thallium (TI) Low Level EPA 200.8 0.2 ug /L Duke Energy TSS SM2540D 5 mg /L Duke Energy Zinc (Zn) EPA 200.7 0.005 mg /L Duke Energy Prepared By: RBI Checked By: KWW IP: \Duke Energy Progress. 1026 \Asheville \NPDES Permit Assistance \Seep Report\Tables \Table 3 Analytical Methods.xlsx Page 1 of 1 APPENDIX A ' ANALYTICAL SAMPLE HANDLING, PRESERVATION, AND HOLDING TIME ' REQUIREMENTS Parameter name Containerl Preservation' Maximum holding time 4 Table IB— Inorganic Tests: 1. Acidity P, FP, G Cool, 56 °C" 14 days. 2. Alkalinity P, FP, G Cool, s6 °Ct8 14 days. 4. Ammonia P, FP, G Cool, 56 °C", HISO, to pH <2 28 days. 9. Biochemical oxygen demand P, FP, G Cool, 56 °C18 48 hours. 10. Boron P, FP, or Quartz HNO, to PH <2 6 months. 11. Bromide P, FP, Ca. None required 28 days. 14. Biochemical oxygen demand, carbonaceous P, FP G Cool, <_6 °C" 48 hours. 15. Chemical oxygen demand P.6MML., Cool, 56 °C'", H2SO4 to pH <2 0128 days. 16. Chloride P. FP, G None required 28 days. 17. Chlorine, total residual P,' � None required Analyze within 15 minutes. 21. Color P, FP, G Cool, 56 °C" 48 hours. 23 -24. Cyanide, total or available (or CATC) and free P, FP, G Cool, 56 °C18, NaOH to pH >105 14 days. 6, reducing agent if oxidizer present 25. Fluoride P None required 28 days. 27. Hardness P, FP, G HNO3 or H2SO4 to pH <2 ths. 28. Hydrogen ion (pH) P, FP, G None required Analyze within 15 minutes. 31, 43. Kjeldahl and organic N P, FP, G Cool, 56 °C", H2SO4 to pH <2 28 days. Table IB— Metals:' 18. Chromium VI P. FP, G Cool, 56 °C18, pH = 9.3 -9.720 28 days. 35. Mercury (CVAA) P, FP, G HNO, to pH <2 28 days. 35. Mercury (CVAFS) FP, G; and FP- 5 mUL 12N HCI or 5 mUL BrCI" 90 days." lined cap" 3, 5-8, 12, 13, 19, 20, 22, 26, 29, 30, 32 -34, 36, 37, 45, P, FP, G HNO3 to pH <2, or at least 24 6 months. 47, 51, 52, 58 -60, 62, 63, 70 -72, 74, 75. Metals, except hours prior to analysis19 boron, chromium VI, and mercury 38. Nitrate P, FP, G Cool, <_6 °C18 8 hours. 39. Nitrate- nitrite P, FP, G Cool, 56 °C'", H2SO4 to. pH days. 40. Nitrite P, FP, G Cool, 56 °C1e 8 hours. 41. Oil and grease G J<228 Cool to <_6 °C' ", HCI or H2S8 days. pH <2 42. Organic Carbon P, FP, G Cool to 56 °C18, 8 days. H3PO4 to pH <2 44. Orthophosphate P, FP, G Cool, to 56 °C'" " Filter within 15 minutes; Analyze within 48 hours. 46. Oxygen, Dissolved Probe G, Bottle and top None required 47. Winkler G, Bottle and top Fix on site and store in dark_ 8 hours. 48. Phenols G Cool, 56 °C'" 28 days. 49. Phosphorous (elemental) G Cool, 56 °C' 8 hours. 50. Phosphorous, total P. FP, G Cool, s6 °C' ", H2SO4 t8 days. 53. Residue, total P, FP, G Cool, <_6 °C18 days 54. Residue, Filterable P, FP, G Cool, s6 °C11 days. 55. Residue, Nonfilterable (TSS) P, FP, G Cool, <_6 °C18 428 days. 56. Residue, Settleable P. FP, G Cool, <_6 °C1' 8 hours. 57. Residue, Volatile P, FP, G Cool, 56 °C1" days. 61. Silica P or Quartz Cool, 56 °C18 8 days. 64. Specific conductance P, FP, G Cool, <_6 °C "' days - 65. Sulfate P, FP, G Gccij, 5 :.Cl: days.. 66. Sulfide P, FP, G Cool, 56 °C1e, add zinc acetate 7 days. plus sodium hydroxide to PH >9 67. Sulfite P, FP, G None requi Ana lllt 15' minutes. 68. Surfactants P, FP, G Cool, <_6 °C", 48 hours. 69. Temperature P, FP, G None required Analyze. 73. Turbidity P, FP, G Cool, <_6 °C" 48 hours- ' ' "P" is for polyethylene; "FP" is fluoropolymer (polytetrafluoroethylene (PTFE); Teflon"'), or other fluoropolymer, unless stated otherwise in this Table Il; "G" is glass; "PA" is any plastic that is made of a sterilizable material (polypropylene or other autoclavable plastic); "LDPE" is low density polyethylene. 2Except where noted in this Table II and the method for the parameter, preserve each grab sample within 15 minutes of collection. For a composite sample collected with an automated sample (e.g., using a 24 -hour composite sample; see 40 CFR 122.21(g)(7)(i) or 40 CFR Part ' 403, Appendix E), refrigerate the sample at 56 °C during collection unless specified otherwise in this Table II or in the method(s). For a composite sample to be split into separate aliquots for preservation and /or analysis, maintain the sample at :56 °C, unless specified otherwise in this Table II or in the method(s), until collection, splitting, and preservation is completed. Add the preservative to the sample container prior to sample collection when the preservative will not compromise the integrity of a grab sample, a composite sample, or aliquot split from a composite sample within 15 minutes of collection. If a composite measurement is required but a composite sample would compromise sample integrity, individual grab samples must be collected at prescribed time intervals (e.g., 4 samples over the course of a day, at 6 -hour intervals). Grab samples must be analyzed separately and the concentrations averaged. Alternatively, grab samples may be collected in the field and composited in the laboratory if the compositing procedure produces results equivalent to results produced by arithmetic averaging of results of analysis of individual grab samples. For examples of laboratory compositing procedures, see EPA Method 1664 Rev. A (oil and grease) and the procedures at 40 CFR 141.34(f)(14)(iv) and (v) (volatile organics). 'When any sample is to be shipped by common carrier or sent via the U.S. Postal Service, it must comply with the Department of Transportation Hazardous Materials Regulations (49 CFR part 172). The person offering such material for transportation is responsible for ensuring such compliance. For the preservation requirement of Table II, the Office of Hazardous Materials, Materials Transportation Bureau, Department of Transportation has determined that the Hazardous Materials Regulations do not apply to the following materials: Hydrochloric acid (HCl) in water solutions at concentrations of 0.04% by weight or less (pH about 1.96 or greater; Nitric acid (HNO3) in water solutions at concentrations of 0.15% by weight or less (pH about 1.62 or greater); Sulfuric acid (H2SO4) in water solutions at concentrations of 0.35% by weight or less (pH about 1.15 or greater); and Sodium hydroxide (NaOH) in water solutions at concentrations of 0.080% by weight or less (pH about 12.30 or less). 4Samples should be analyzed as soon as possible after collection. The times listed are the maximum times that samples may be held before the start of analysis and still be considered valid. Samples may be held for longer periods only if the permittee or monitoring laboratory has data on file to show that, for the specific types of samples under study, the analytes are stable for the longer time, and has received a variance from the Regional Administrator under Sec. 136.3(e). For a grab sample, the holding time begins at the time of collection. For a composite sample collected with an automated sampler (e.g., using a 24 -hour composite sampler; see 40 CFR 122.21(g)(7)(i) or 40 CFR part 403, Appendix E), the holding time begins at the time of the end of collection of the composite sample. For a set of grab samples composited in the field or laboratory, the holding time begins at the time of collection of the last grab sample in the set. Some samples may not be stable for the maximum time period given in the table. A permittee or monitoring laboratory is obligated to hold the sample for a shorter time if it knows that a shorter time is necessary to maintain sample stability. See 136.3(e) for details. The date and time of collection of an individual grab sample is the date and time at which the sample is collected. For a set of grab samples to be composited, and that are all collected on the same calendar date, the date of collection is the date on which the samples are collected. For a set of grab samples to be composited, and that are collected across two calendar dates, the date of collection is the dates of the two days; e.g., November 14 -15. For a composite sample collected automatically on a given date, the date of collection is the date on which the sample is collected. For a composite sample collected automatically, and that is collected across two calendar dates, the date of collection is the dates of the two days; e.g., November 14- 15. For static - renewal toxicity tests, each grab or composite sample may also be used to prepare test solutions for renewal at 24 h, 48 h, and /or 72 h after first use, if stored at 0-0 °C, with minimum head space. 5ASTM D7365 -09a specifies treatment options for samples containing oxidants (e.g., chlorine). Also, Section 9060A of Standard Methods for the Examination of Water and Wastewater (20th and 21st editions) addresses dechlorination procedures. 6Sampling, preservation and mitigating interferences in water samples for analysis of cyanide are described in ASTM D7365 -09a. There may be interferences that are not mitigated by the analytical test methods or D7365 -09a. Any technique for removal or suppression of interference may be employed, provided the laboratory demonstrates that it more accurately measures cyanide through quality control measures described in the analytical test method. Any removal or suppression technique not described in D7365 -09a or the analytical test method must be documented along with supporting data. 'For dissolved metals, filter grab samples within 15 minutes of collection and before adding preservatives. For a composite sample collected with an automated sampler (e.g., using a 24 -hour composite sampler; see 40 CFR 122.21(g)(7)(i) or 40 CFR Part 403, Appendix E), filter the sample within 15 minutes after completion of collection and before adding preservatives. If it is known or suspected that dissolved sample integrity will be compromised during collection of a composite sample collected automatically over time (e.g., by interchange of a metal between dissolved and suspended forms), collect and filter grab samples to be composited (footnote 2) in place of a composite sample collected automatically. "Guidance applies to samples to be analyzed by GC, LC, or GC /MS for specific compounds. 91f the sample is not adjusted to pH 2, then the sample must be analyzed within seven days of sampling. 70The pH adjustment is not required if acrolein will not be measured. Samples for acrolein receiving no pH adjustment must be analyzed within 3 days of sampling. "When the extractable analytes of concern fall within a single chemical category, the specified preservative and maximum holding times should be observed for optimum safeguard of sample integrity (i.e., use all necessary preservatives and hold for the shortest time listed). When the analytes of concern fall within two or more chemical categories, the sample may be preserved by cooling to 56 °C, reducing residual chlorine with 0.008% sodium thiosulfate, storing in the dark, and adjusting the pH to 6 -9: samples preserved in this manner may be held for seven days before extraction and for forty days after extraction. Exceptions to this optional preservation and holding time procedure are noted in footnote 5 (regarding the requirement for thiosulfate reduction), and footnotes 12, 13 (regarding the analysis of benzidine). t21f 1,2- diphenylhydrazine is likely to be present, adjust the pH of the sample to 4.0 ±0.2 to prevent rearrangement to benzidine. 13Extracts may be stored up to 30 days at <0 °C. 14 For the analysis of diphenylnitrosamine, add 0.008% Na2S2O3 and adjust pH to 7 -10 with NaOH within 24 hours of sampling. 15The pH adjustment may be performed upon receipt at the laboratory and may be omitted if the samples are extracted within 72 hours of collection. For the analysis of aldrin, add 0.008% Na2S2O3 t6Place sufficient ice with the samples in the shipping container to ensure that ice is still present when the samples arrive at the laboratory. However, even if ice is present when the samples arrive, immediately measure the temperature of the samples and confirm that the preservation temperature maximum has not been exceeded. In the isolated cases where it can be documented that this holding temperature cannot be met, the permittee can be given the option of on -site testing or can request a variance. The request for a variance should include supportive data which show that the toxicity of the effluent samples is not reduced because of the increased holding temperature. Aqueous samples must not be frozen. Hand - delivered samples used on the day of collection do not need to be cooled to 0 to 6 °C prior to test initiation. "Samples collected for the determination of trace level mercury ( <100 ng /L) using EPA Method 1631 must be collected in tightly - capped fluoropolymer or glass bottles and preserved with BrCI or HCI solution within 48 hours of sample collection. The time to preservation may be extended to 28 days if a sample is oxidized in the sample bottle. A sample collected for dissolved trace level mercury should be filtered in the laboratory within 24 hours of the time of collection. However, if circumstances preclude overnight shipment, the sample should be filtered in a designated clean area in the field in accordance with procedures given in Method 1669. If sample integrity will not be maintained by shipment to and filtration in the laboratory, the sample must be filtered in a designated clean area in the field within the time period necessary to maintain sample integrity. A sample that has been collected for determination of total or dissolved trace level mercury must be analyzed within 90 days of sample collection. "Aqueous samples must be preserved at 56 °C, and should not be frozen unless data demonstrating that sample freezing does not adversely impact sample integrity is maintained on file and accepted as valid by the regulatory authority. Also, for purposes of NPDES monitoring, the specification of "5 °C" is used in place of the 'A °C" and " <4 °C" sample temperature requirements listed in some methods. It is not necessary to measure the sample temperature to three significant figures (11100th of 1 degree); rather, three significant figures are specified so that rounding down to 6 °C may not be used to meet the 56 °C requirement. The preservation temperature does not apply to ' samples that are analyzed immediately (less than 15 minutes). 9An aqueous sample may be collected and shipped without acid preservation. However, acid must be added at least 24 hours before analysis to dissolve any metals that adsorb to the container walls. If the sample must be analyzed within 24 hours of collection, add the acid immediatelI (see footnote 2). Soil and sediment samples do not need to be preserved with acid. The allowances in this footnote supersede the preservation and holding time requirements in the approved metals methods. 2OTo achieve the 28 -day holding time, use the ammonium sulfate buffer solution specified in EPA Method 218.6. The allowance in this footnote supersedes preservation and holding time requirements in the approved hexavalent chromium methods, unless this supersession would compromise the measurement, in which case requirements in the method must be followed. 27Holding time is calculated from time of sample collection to elution for samples shipped to the laboratory in bulk and calculated from the time of sample filtration to elution for samples filtered in the field. ' "Sample analysis should begin as soon as possible after receipt; sample incubation must be started no later than 8 hours from time of collection. 23For fecal coliform samples for sewage sludge (biosolids) only, the holding time is extended to 24 hours for the following sample types using either EPA Method 1680 (LTB -EC) or 1681 (A -1): Class A composted, Class B aerobically digested, and Class B anaerobically digested. ' 24 The immediate filtration requirement in orthophosphate measurement is to assess the dissolved or bio- available form of orthophosphorus (i.e., that which passes through a 0.45 - micron filter), hence the requirement to filter the sample immediately upon collection (i.e., within 15 minutes of collection). [38 FR 28758, Oct. 16, 1973 � synTerra RECEPTOR SURVEY FOR ASHEVILLE STEAM ELECTRIC PLANT 200 CP &L DRIVE ARDEN, NORTH CAROLINA 28704 NPDES PERMIT ##NC0000396 PREPARED FOR DUKE ENERGY PROGRESS, INC. RALEIGH, NORTH CAROLINA DUKE ENERGY PROGRESS SUBMITTED: JULY 2014 1 Ho and Frank Project Scientist Kathy ebb, NC PG 1328 (_ Project Manager ' Receptor Survey July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra ISECTION TABLE OF CONTENTS PAGE 1.0 Introduction ....................................................................................... ..............................1 2.0 Background ....................................................................................... ............................... 2 2.1 Plant and Ash Management Area Description ....................... ............................... 2 2.2 Description of Surrounding Properties ................................... ............................... 2 3.0 Receptor Survey Activities ............................................................. ............................... 3 3.1 NCDENR Records Review ........................................................ ............................... 3 3.2 Environmental Data Resources, Inc. Records Review ........... ............................... 3 3.3 USGS Hydrography Review ..................................................... ............................... 3 3.4 SynTerra Field Survey ................................................................ ............................... 4 3.5 Previous Water Supply Well Survey Information ................. ............................... 4 4.0 Findings ............................................................................................. ............................... 5 4.1 NCDENR Records ....................................................................... ............................... 5 4.2 Environmental Data Resources, Inc. Records ......................... ............................... 5 4.3 USGS Hydrography Review ..................................................... ............................... 5 4.4 SynTerra Field Survey ................................................................ ............................... 5 4.5 Previous Water Well Survey Information ............................... ............................... 6 4.6 Summary of Receptor Survey Findings ................................... ............................... 6 List of Figures Figure 1 - Receptor Survey Map List of Tables Table 1 - Public and Private Water Supply Wells List of Appendices Appendix A - EDR Report Page i P:\Duke Energy Progress. 1026\ Asheville \ NPDES Permit Assistance \ Receptor Survey \ Asheville Receptor Survey.docx ' Receptor Survey July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra 1.0 INTRODUCTION Duke Energy Progress, Inc. (Duke Energy) owns and operates the Asheville Steam Electric Plant (Ashville Plant) site. The Asheville Plant is located south of Interstate I -26 exit number 37 at 200 CP &L Drive, Arden, North Carolina. The property encompasses approximately 786 acres (Golder, 2007) on both sides of I -26, with the majority of the plant operations located to the east of I -26. The property includes Lake Julian, located to the east of the plant operations area. The property borders the French Broad River to tthe west as shown on Figure 1. The Asheville Plant began commercial operation in 1964, with additions in 1971, 1999 ' and 2000, and consists of two coal -fired units that primarily use bituminous coal to produce 376 - megawatts of power. The Plant also has two combustion turbines capable ' of producing 324 megawatts. Ash generated from the coal combustion has been stored on -site in ash management area and is also used as beneficial fill at the nearby Asheville Airport. The on -site ash management area is shown on Figure 1. ' The discharge from the ash management area is permitted by the North Carolina Department of Environment and Natural Resources (NCDENR) Division of Water ' Resources (DWR) under the National Pollution Discharge Elimination System (NPDES) Permit NC0000396. SynTerra has completed a receptor survey to identify water supply wells, public water supplies, surface water bodies, and wellhead protection areas (if present) within a 0.5 ' mile radius of the Asheville Plant ash management area compliance boundary (Figure 1). The compliance boundary for groundwater quality in relation to the ash management area is defined in accordance with 15A NCAC 02L .0107(a) as being established at either 500 feet from the waste boundary or at the property boundary, whichever is closer to the source. IThe survey scope and findings are presented in the following sections. Page 1 I P:\Duke Energy Progress.1026 \ Asheville \ NPDES Permit Assistance \ Receptor Survey \ Asheville Receptor Survey.docx Receptor Survey July 2014 Asheville Steam Electric Plant, NPDES Permit # NCO000396 SynTerra 2.0 BACKGROUND 2.1 Plant and Ash Management Area Description The Asheville Plant began commercial operation in 1964, with additions in 1971, 1999 and 2000 and consists of two 376 - megawatt coal -fired units that primarily use bituminous coal as fuel to produce steam. The site also includes two combustion turbines capable of producing 324 megawatts. Ash generated from the coal combustion has been stored on -site in ash management area and is also used as beneficial fill at the nearby Asheville Airport. The on -site ash management area is shown on Figure 1. Air emissions reduction scrubbers were installed in 2005. A physical and chemical wastewater treatment system was built to remove metals from the scrubber water. The Asheville Plant has a permitted wastewater National Pollutant Discharge Elimination System (NPDES) outfall (001) to the French Broad River. The discharge from the scrubber wastewater treatment system flows through a series of engineered wetlands for additional treatment (metals precipitation) prior to discharge through an internal NPDES outfall 005. The engineered treatment wetlands were constructed over the first ash pond built in 1964. The treatment wetlands basins are lined. A second ash pond, built in approximately 1982, is being dewatered and excavated. ' The ash is being transported to the Asheville Airport and used as structural fill. New ash being generated daily is currently treated in concrete lined basins that lie on top of the 1964 ash pond. Dewatered ash is also transported to the Asheville Airport for use as structural fill. The treatment wetlands, stormwater, and treated sluice water are collectively discharged through the NPDES 001 outfall to the French Broad River. Lake Julian was built for cooling water by damming the flow of Powell Creek and its tributaries on the north side of the plant site prior to its discharge to the French Broad River. Lake Julian and the flooded portion of Powell Creek border the east side of the plant site. Powell Creek flows south to north. Surface water from the French Broad River is also pumped into Lake Julian as a supplemental water supply. The water from the French Broad River enters a stilling area of the lake on the north side of the plant. Heated water is discharged back into Lake Julian to the east of the plant NPDES outfall 002. 2.2 Description of Surrounding Properties Properties located within a 0.5 mile radius of the Asheville Plant compliance boundary are located in Buncombe County, North Carolina. The properties' uses include residential, commercial, industrial and agricultural. The French Broad River flows south to north along the western side of the property. Figure 1 depicts the properties surrounding the Asheville Plant. Page 2 P:\Duke Energy Progress. 1026 \ Asheville \ NPDES Permit Assistance\ Receptor Survey \ Asheville Receptor Survey.docx Receptor Survey July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra 3.0 RECEPTOR SURVEY ACTIVITIES 3.1 NCDENR Records Review SynTerra reviewed the NCDENR Department of Environmental Health (DEH) Public Water Supply Section's (PWSS) Public Water Supply Water Sources Geographic Information System (GIS) point data set (pwsws.shp) and the Water Distribution Map Service (WDMS) data set obtained from the NC OneMap GeoSpatial Portal (http -.H data. nconemap. com /geoportal /catalog /main/home.page) to identify public water supply sources and water supply lines within a 0.5 mile radius of the Asheville Plant compliance boundary. ' According to the NC OneMap website, the Public Water Supply Water Sources point data was current through November 18, 2009 and that is the most current GIS data set ' of public water supply locations available from North Carolina state agencies. The GIS point data for the public water supply wells includes, but is not limited to, information such as public water supply (PWS) system identification numbers, ownership ' information, PWS source type, well depth, and well yield. The WDMS data set contains information on municipal water lines and other appurtenances. On June 24, 2014, SynTerra reviewed the NCDENR Division of Water Resources (DWR) Source Water Assessment Program (SWAP) online database for public water supply sources to identify wells located within a 0.5 mile radius of the compliance boundary, to ' confirm the location of wells included in the Public Water Supply Water Sources GIS point data set, and to identify any wellhead protection areas located within a 0.5 mile ' radius of the compliance boundary. The NCDENR SWAP database provides detailed assessments of all public drinking water intakes and wellhead protection areas in North Carolina. The website address is: ( http: / /swap.ncwater.org /website /swap /viewer.htm). 3.2 Environmental Data Resources, Inc. Records Review A review of public database information provided by Environmental Data Resources, ' Inc. (EDR) was also conducted. The public water well information has been incorporated in the summary table (Table 1) and on Figure 1. A copy of the EDR report is included as Appendix A. ' 3.3 USGS Hydrography Review SynTerra reviewed the United States Geological Survey (USGS) National Hydrography ' Dataset (NHD) obtained from the USGS National Map Viewer (http: / /viewer.nationalmap.gov /viewer /) to identify surface waters within a 0.5 mile radius of the compliance boundary. Hydrography data obtained from the USGS NHD is included on Figure 1. Page 3 P: \ Duke Energy Progress. 1026 \ Asheville \ NPDES Permit Assistance \ Receptor Survey \ Asheville Receptor Survey.docx ' Receptor Survey July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra ' 3.4 SynTerra Field Survey During June and July, 2014, SynTerra personnel conducted a vehicular survey along public roads located within a 0.5 mile radius of the compliance boundary. Observations ' on property use, apparent proximity to available municipal water lines and structures that may represent potential water supply wells were noted. ' 3.5 Previous Water Supply Well Survey Information The results of a previous Water Supply Well Survey conducted by S &ME, December ' 2012, have been incorporated into the findings of this report. Page 4 P:\Duke Energy Progress.1026 \ Asheville \ NPDES Permit Assistance \ Receptor Survey \ Asheville Receptor Survey.docx ' Receptor Survey July 2014 Asheville Steam Electric Plant, NPDES Permit # NCO000396 SynTerra ' 4.0 FINDINGS ' 4.1 NCDENR Records No public water supply wells were identified in the Public Water Supply Water Sources GIS point data set (obtained from NC OneMap GeoSpatial Portal) or on the NCDENR ' SWAP online database within a 0.5 mile radius of the ash management area compliance boundary. ' No wellhead protection areas were identified on the NCDENR SWAP online database within a 0.5 mile radius of the compliance boundary. ' 4.2 Environmental Data Resources, Inc. Records The EDR report identified one water supply well potentially located near the survey area. A well is reported at the Poplar Terrace Mobile Home Park located on Bradley ' Branch Road (Figure 1). Buncombe County GIS data confirms the Poplar Terrace Mobile Home Park at this location (185 Bradley Branch Road). ' No well construction information is provided. The EDR Report lists a number of violations for failure to report for this well. A copy of the EDR Report is provided in ' Appendix A. Visual reconnaissance did not identify the location of this well. 4.3 USGS Hydrography Review An approximate 9,000 foot long section of the French Broad River is located within the western portion of the survey radius (Figure 1). The French Broad River flows north. ' Several small surface water features, including Powell Creek to the north and an unnamed tributary to the south, and the French Broad River are present within the 0.5 mile radius of the compliance boundary. Powell Creek to the north, and the unnamed tributary to the south and the French Broad River are hydrogeologic boundaries around the Plant. The surface water features on both sides of the French Broad River flow toward the river. 4.4 SynTerra Field Survey SynTerra conducted a visual reconnaissance of the survey area by driving public road- ' ways and noting properties that appeared to be developed or occupied. Structures resembling water supply wells or well houses were noted where visible and are shown ' on Figure 1 as reported /observed water supply wells (DW). Most of the area development consists of residential and commercial properties with some industrial and agricultural uses. Structures resembling wells or well houses were observed on ' Hoyt Road and Bear Leah Trail. Additional properties within the 0.5 mile radius of the Page 5 ' P: \ Duke Energy Progress.1026 \ Asheville \ NPDES Permit Assistance \ Receptor Survey \ Asheville Receptor Survey.docx ' Receptor Survey July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra compliance boundary appeared to be developed and in -use (occupied) with no apparent municipal water supply. These properties are noted on Figure 1 as possible ' water supply well (PRW). 4.5 Previous Water Well Survey Information ' The S &ME survey reported five active water supply wells located within 0.5 mile radius of the compliance boundary. ' • Two supply wells located at 38 and 40 Bear Leah Trail. • One well on Glenview Road. • One well on Glenn Bridge Road. • One well on Long Shoals Road. ' Based on the S &ME findings, NCDENR sampled the five wells during 2013. 4.6 Summary of Receptor Survey Findings ' A summary of the receptor survey findings are discussed below. The possible reported and observed water supply well locations are shown on Figure 1. The locations are numbered on the map to cross - reference information provided in Table 1. The table summarizes property location and owner information. ' • No wellhead protection areas were identified within a 0.5 mile radius of the compliance boundary. ' • Approximately 18 possible private water supply wells were observed, have been reported, or may be located within 0.5 mile of the compliance boundary. • All the water supply wells identified are located hydraulically upgradient, sidegradient or are separated from the plant watershed by a significant hydraulic divide (the French Broad River). • One community supply well is reported for the Poplar Terrace Mobile Home Park located on Bradley Branch Road. However, records are not current, the well was not observed and a water line is available. • A number of surface water features are present within the 0.5 mile radius of the compliance boundary. The surface water features flow toward the French Broad ' River. 1 Page 6 I P: \Duke Energy Progress. 1026 \ Asheville \ NPDES Permit Assistance \ Receptor Survey \ Asheville Receptor Survey.docx ' Receptor Survey July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra ' • An approximate 9,000 foot long section of the French Broad River is located within the western portion of the survey radius. The French Broad River flows ' north. Page 7 I P: \Duke Energy Progress.1026 \Asheville\ NPDES Permit Assistance \Receptor Survey \Asheville Receptor Survey.docx FIGURE 9 0 m N 6 d E 0 T q 6 � as d u L q d O1 L q q L C f � q � f 6 t V a C q O a y J q 4 � 0 d e 0 5 IA IA z z _ 2 _ z _ 2 2 Z Z w JZ J= w z o Z 0 w m Z N w N w N LL ¢ z ❑ p >> ❑ p >> N 8 N 8 N 8 N 8 N 8 N 8 VI E X r mz ¢ J o o °° o 0 0 0 0 0 o w 0 3 ❑_ u O O w z O z O z O z O z O z O z O i W N r N z d z m z Q O 3 Q O 3 ui ui ui w ui ui ui u� W, Om H 2 z u m m m m m m m I w J " Z C z z s 0 N 8 z z x �0 �° a s a >a s >a >a a >a , o o 'm 'm u¢i o o o a a> a> a W z _ O w W z Ja z p z p z i z z z z i 3 r =`^ ° z w m o Y ¢ m °a a m °a a 1 m 7 °C 7 7 7 n '7 0¢ 0 < o N m 3 < u¢i < vai N t o u z r N z O �- s z O �- s z a g z a w z a w z a g z a 5 w z a g w z a 5 p a 0 r a m a z z m w s ac 3° 3 3 3 31 3 p Oa, j u u� > a w w m y < p z p o z o m 0 O m zz ° O LL ° O LL ° z O ° z O ° O z > O r ° 3 z ¢ < Vi O < x p O p O d p .w-. ❑ .-. ❑ ... O d d N p N ° Jz i x -< < m N K �m �m > m❑ > m❑ > m❑ > m❑ > ,�❑ > m❑ i m❑ O u LL r 3 3 m S J 3 3 z= ° u z= O u S on S m > on > m > m > m S m a w o W a 3 f s z O -' w w z m s w z m O W O W O W O W O W O W O W >'> m p ww in J in J 3 w > gw gw J r < r < r a r a r a r < r < o F Q Z z = uJi j APPENDIX A EDR REPORT Duke Energy - Asheville ' 200 CP &L Drive Arden, NC 28704 Inquiry Number: 3997186.1s July 07, 2014 6 Armstrong Road, 4th floor Shelton, CT 06484 (rEDRO E nvironmental Data Resources Inc Toll Free: 800.352.0050 www.edrnet.com FORM - NULL -CCA TABLE OF CONTENTS SECTION GEOCHECK ADDENDUM PAGE Physical Setting Source Addendum___________ _______________________________ A -1 Physical Setting Source Summary ____________ ____ _______ ____________________ A -2 Physical Setting Source Map__________________ __ ____________________________ A -7 Physical Setting Source Map Findings_ _ _ _ _ _ _ _ _ A -8 Physical Setting Source Records Searched_____ _______________________________ PSGR -1 Thank you for your business. Please contact EDR at 1- 800 - 352 -0050 with any questions or comments. Disclaimer - Copyright and Trademark Notice This Report contains certain information obtained from a variety of public and other sources reasonably available to Environmental Data Resources, Inc. It cannot be concluded from this Report that coverage information for the target and surrounding properties does not exist from other sources. NO WARRANTY EXPRESSED OR IMPLIED, IS MADE WHATSOEVER IN CONNECTION WITH THIS REPORT. ENVIRONMENTAL DATA RESOURCES, INC. SPECIFICALLY DISCLAIMS THE MAKING OF ANY SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE OR PURPOSE. ALL RISK IS ASSUMED BY THE USER. IN NO EVENT SHALL ENVIRONMENTAL DATA RESOURCES, INC. BE LIABLE TO ANYONE, WHETHER ARISING OUT OF ERRORS OR OMISSIONS, NEGLIGENCE, ACCIDENT OR ANY OTHER CAUSE, FOR ANY LOSS OF DAMAGE, INCLUDING, WITHOUT LIMITATION, SPECIAL, INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES. ANY LIABILITY ON THE PART OF ENVIRONMENTAL DATA RESOURCES, INC. IS STRICTLY LIMITED TO A REFUND OF THE AMOUNT PAID FOR THIS REPORT. Purchaser accepts this Report "AS IS ". Any analyses, estimates, ratings, environmental risk levels or risk codes provided in this Report are provided for illustrative purposes only, and are not intended to provide, nor should they be interpreted as providing any facts regarding, or prediction or forecast of, any environmental risk for any property. Only a Phase I Environmental Site Assessment performed by an environmental professional can provide information regarding the environmental risk for any property. Additionally, the information provided in this Report is not to be construed as legal advice. Copyright 2014 by Environmental Data Resources, Inc. All rights reserved. Reproduction in any media or format, in whole or in part, of any report or map of Environmental Data Resources, Inc., or its affiliates, is prohibited without prior written permission. EDR and its logos (including Sanborn and Sanborn Map) are trademarks of Environmental Data Resources, Inc. or its affiliates. All other trademarks used herein are the property of their respective owners. TC3997186.1s Page 1 GEOCHECW - PHYSICAL SETTING SOURCE REPORT TARGET PROPERTY ADDRESS DUKE ENERGY - ASHEVILLE 200 CP &L DRIVE ARDEN, NC 28704 TARGET PROPERTY COORDINATES Latitude (North): 35.4663 - 35° 27' 58.68" Longitude (West): 82.5445 - 82° 32'40.20'' Universal Tranverse Mercator: Zone 17 UTM X (Meters): 359857.2 UTM Y (Meters): 3925653.2 Elevation: 2140 ft. above sea level USGS TOPOGRAPHIC MAP Target Property Map: 35082 -D5 SKYLAND, NC Most Recent Revision: 1991 EDR's GeoCheck Physical Setting Source Addendum is provided to assist the environmental professional in forming an opinion about the impact of potential contaminant migration. Assessment of the impact of contaminant migration generally has two principal investigative components: 1. Groundwater flow direction, and 2. Groundwater flow velocity. Groundwater flow direction may be impacted by surface topography, hydrology, hydrogeology, characteristics of the soil, and nearby wells. Groundwater flow velocity is generally impacted by the nature of the geologic strata. TC3997186.1s Page 1 GEOCHECK®R - PHYSICAL SETTING SOURCE SUMMARY GROUNDWATER FLOW DIRECTION INFORMATION Groundwater flow direction for a particular site is best determined by a qualified environmental professional using site - specific well data. If such data is not reasonably ascertainable, it may be necessary to rely on other sources of information, such as surface topographic information, hydrologic information, hydrogeologic data collected on nearby properties, and regional groundwater flow information (from deep aquifers). TOPOGRAPHIC INFORMATION Surface topography may be indicative of the direction of surficial groundwater flow. This information can be used to assist the environmental professional in forming an opinion about the impact of nearby contaminated properties or, should contamination exist on the target property, what downgradient sites might be impacted. TARGET PROPERTY TOPOGRAPHY General Topographic Gradient: General WSW SURROUNDING TOPOGRAPHY: ELEVATION PROFILES Cc O O OA N � O North I South TP x C N N A IO O A r N m A �p r tl� O N V O N O O� O Oo West I East TP 0 1/2 1 Miles Target Property Elevation: 2140 ft. Source: Topography has been determined from the USGS 7.5' Digital Elevation Model and should be evaluated on a relative (not an absolute) basis. Relative elevation information between sites of close proximity should be field verified. TC3997186.1 s Page 2 GEOCHECFC"' - PHYSICAL SETTING SOURCE SUMMARY HYDROLOGIC INFORMATION Surface water can act as a hydrologic barrier to groundwater flow. Such hydrologic information can be used to assist the environmental professional in forming an opinion about the impact of nearby contaminated properties or, should contamination exist on the target property, what downgradient sites might be impacted. Refer to the Physical Setting Source Map following this summary for hydrologic information (major waterways and bodies of water). FEMA FLOOD ZONE Target Property County BUNCOMBE. INC Flood Plain Panel at Target Property Additional Panels in search area: NATIONAL WETLAND INVENTORY NWI Quad at Target Property SKYLAND FEMA Flood Electronic Data YES - refer to the Overview Map and Detail Map 37021C - FEMA DFIRM Flood data Not Reported NWI Electronic Data Coverage YES - refer to the Overview Map and Detail Map HYDROGEOLOGIC INFORMATION ' Hydrogeologic information obtained by installation of wells on a specific site can often be an indicator of groundwater flow direction in the immediate area. Such hydrogeologic information can be used to assist the environmental professional in forming an opinion about the impact of nearby contaminated properties or, should contamination exist on the target property, what downgradient sites might be impacted. AQUIFLOW Search Radius: 1.000 Mile. EDR has developed the AQUIFLOW Information System to provide data on the general direction of groundwater flow at specific points. EDR has reviewed reports submitted by environmental professionals to regulatory ' authorities at select sites and has extracted the date of the report, groundwater flow direction as determined hydrogeologically, and the depth to water table. LOCATION GENERAL DIRECTION ' MAP ID FROM TP GROUNDWATER FLOW Not Reported TC3997186.1s Page 3 GEOCHECKDR - PHYSICAL SETTING SOURCE SUMMARY GROUNDWATER FLOW VELOCITY INFORMATION Groundwater flow velocity information for a particular site is best determined by a qualified environmental professional using site specific geologic and soil strata data. If such data are not reasonably ascertainable, it may be necessary to rely on other sources of information, including geologic age identification, rock stratigraphic unit and soil characteristics data collected on nearby properties and regional soil information. In general, contaminant plumes move more quickly through sandy - gravelly types of soils than silty - clayey types of soils. GEOLOGIC INFORMATION IN GENERAL AREA OF TARGET PROPERTY Geologic information can be used by the environmental professional in forming an opinion about the relative speed at which contaminant migration may be occurring. IROCK STRATIGRAPHIC UNIT GEOLOGIC AGE IDENTIFICATION Era: Precambrian Category: Stratified Sequence System: Precambrian Series: Z Sedimentary rocks Code: Z (decoded above as Era, System & Series) Geologic Age and Rock Stratigraphic Unit Source: P.G. Schruben, R.E. Arndt and W.J. Bawiec, Geology of the Conterminous U.S. at 1:2,500,000 Scale - a digital representation of the 1974 P.B. King and H.M. Beikman Map, USGS Digital Data Series DDS - 11 (1994). DOMINANT SOIL COMPOSITION IN GENERAL AREA OF TARGET PROPERTY The U.S. Department of Agriculture's (USDA) Soil Conservation Service (SCS) leads the National Cooperative Soil Survey (NCSS) and is responsible for collecting, storing, maintaining and distributing soil survey information for privately owned lands in the United States. A soil map in a soil survey is a representation of soil patterns in a landscape. Soil maps for STATSGO are compiled by generalizing more detailed (SSURGO) soil survey maps. The following information is based on Soil Conservation Service STATSGO data. Soil Component Name: BRADDOCK Soil Surface Texture: loam Hydrologic Group: Class B - Moderate infiltration rates. Deep and moderately deep, moderately well and well drained soils with moderately coarse textures. Soil Drainage Class: Well drained. Soils have intermediate water holding capacity. Depth to water table is more than 6 feet. Hydric Status: Soil does not meet the requirements for a hydric soil. Corrosion Potential - Uncoated Steel: HIGH Depth to Bedrock Min: > 60 inches Depth to Bedrock Max: > 60 inches TC3997186.1 s Page 4 GEOCHECFCJ - PHYSICAL SETTING SOURCE SUMMARY Soil Layer Information Boundary Classification Layer Upper Lower Soil Texture Class AASHTO Group Unified Soil Permeability Soil Reaction Rate (in /hr) (pH) 1 0 inches 9 inches loam Granular FINE - GRAINED Max: 6.00 Max: 5.50 materials (35 SOILS, Silts and Min: 0.60 Min: 3.60 pct. or less Clays (liquid passing No. limit less than 200), Silty, or 50 %). Lean Clay Clayey Gravel and Sand. 2 9 inches 48 inches clay loam Silt -Clay FINE - GRAINED Max: 2.00 Max: 5.50 Materials (more SOILS, Silts and Min: 0.60 Min: 3.60 than 35 pct. Clays (liquid passing No. limit 50% or 200), Clayey more), Fat Clay. Soils. 3 48 inches 85 inches loam Granular COARSE- GRAINED Max: 6.00 Max: 5.50 materials (35 SOILS, Sands, Min: 0.60 Min: 3.60 pct. or less Sands with fines, passing No. Clayey sand. 200), Silty, or Clayey Gravel and Sand. ' OTHER SOIL TYPES IN AREA Based on Soil Conservation Service STATSGO data, the following additional subordinant soil types may appear within the general area of target property. ' Soil Surface Textures: gravelly - loam Surficial Soil Types: gravelly - loam Shallow Soil Types: loam Deeper Soil Types: sandy loam ' very gravelly - loam fine sandy loam stratified LOCAL / REGIONAL WATER AGENCY RECORDS EDR Local /Regional Water Agency records provide water well information to assist the environmental professional in assessing sources that may impact ground water flow direction, and in forming an opinion about the impact of contaminant migration on nearby drinking water wells. TC3997186.1s Page 5 GEOCHECW - PHYSICAL SETTING SOURCE SUMMARY WELL SEARCH DISTANCE INFORMATION DATABASE SEARCH DISTANCE Federal USGS 1.000 Federal FRDS PWS 1.000 State Database 1.000 FEDERAL USGS WELL INFORMATION LOCATION MAP ID WELL ID FROM TP No Wells Found FEDERAL FRDS PUBLIC WATER SUPPLY SYSTEM INFORMATION LOCATION MAP ID WELL ID FROM TP 1 NC0111117 1/2 - 1 Mile SE Note: PWS System location is not always the same as well location. STATE DATABASE WELL INFORMATION LOCATION MAP ID WELL ID FROM TP No Wells Found OTHER STATE DATABASE INFORMATION NORTH CAROLINA NATURAL HERITAGE ELEMENT OCCURRENCES ID Class NC50000450 NC50002655 N C 50005775 NC50008922 NC50010085 NC50016985 Animal Animal Animal Animal Animal Invertebrate TC3997186.1s Page 6 IPHYSICAL SETTING SOURCE MAP - 3997186.15 NCounty Boundary u 14 is aa„ n/ Major Roads Contour Lines + Groundwater Flow Direction Wildlife Areas Power transmission lines c i Indeterminate Groundwater Flow at Location Natural Areas OEarthquake epicenter, Richter 5 or greater cv Groundwater Flow Varies at Location o Rare &Endangered Species ' ® Water Wells ® 100 -year Flood zone © Public Water Supply Wells ® 500 -year flood zone • t Cluster of Multiple Icons ■ National Wetland Inventory Map ID Direction Distance Elevation 1 SE 1/2 -11 Mile Higher GEOCHECK9- PHYSICAL SETTING SOURCE MAP FINDINGS Database EDR ID Number FRDS PWS NCO111117 PWS ID: NC0111117 Pwsid: Date Initiated: Not Reported Date Deactivated: Not Reported PWS Name: POPLAR TERRACE MHP Pwstypecod: Vioid: ARDEN, NC 28704 Contaminant: Addressee / Facility: System Owner /Responsible Party Complperbe: CHARLEY W WILLIAMS OR MGR Complperen: MOORE'S APTS BOX 6 Enfdate: Enf action: FLETCHER, NC 28732 Addressee / Facility: System Owner /Responsible Party Truedate: CHARLEY E WILLIAMS Pwsid: Pwsname: MOORE'S APTS BOX 6 Retpopsrvd: FLETCHER, NC 28732 Pwstypecod: Facility Latitude: 35 27 30 Facility Longitude: 082 32 00 City Served: ARDEN Treatment Class: Untreated Population: 96 Violations information not reported ENFORCEMENT INFORMATION: Truedate: 03/31/2009 Pwsid: Pwsname: POPLAR TERRACE MHP Retpopsrvd: 96 Pwstypecod: Vioid: 1503 Contaminant: Viol. Type: CCR Complete Failure to Report Complperbe: 7/1/2002 0:00:00 Complperen: 8/1/2006 0:00:00 Enfdate: Enf action: State Formal NOV Issued Violmeasur: Not Reported Truedate: 03/31/2009 Pwsid: Pwsname: POPLAR TERRACE MHP Retpopsrvd: 96 Pwstypecod: Vioid: 1503 Contaminant: Viol. Type: CCR Complete Failure to Report Complperbe: 7/1/2002 0:00:00 Complperen: 8/1/2006 0:00:00 Enfdate: Enf action: State Public Notif Requested Violmeasur: Not Reported Truedate: 03/31/2009 Pwsid: Pwsname: POPLAR TERRACE MHP Retpopsrvd: 96 Pwstypecod: Vioid: 1503 Contaminant: Viol. Type: CCR Complete Failure to Report Complperbe: 7/1/2002 0:00:00 Complperen: 8/1/2006 0:00:00 Enfdate: Enf action: State Compliance Achieved Violmeasur: Not Reported NCO111117 C 7000 10/18/2002 0:00:00 NC0111117 C 7000 10/18/2002 0:00:00 NC0111117 C 7000 8/1/2006 0:00:00 TC3997186.1 s Page 8 GEOCHECKC")- PHYSICAL SETTING SOURCE MAP FINDINGS Truedate: 03/31/2009 Pwsid: NC0111117 Pwsname: POPLAR TERRACE MHP Retpopsrvd: 96 Pwstypecod: C Vioid: 1808205 Contaminant: 7000 Viol. Type: CCR Complete Failure to Report Complperbe: 7/1/2005 0:00:00 Complperen: 7/22/2005 0:00:00 Enfdate: 10/11/2005 0:00:00 Enf action: State Formal NOV Issued Violmeasur: Not Reported Truedate: 03/31/2009 Pwsid: NC0111117 Pwsname: POPLAR TERRACE MHP Retpopsrvd: 96 Pwstypecod: C Vioid: 1808205 Contaminant: 7000 Viol. Type: CCR Complete Failure to Report Complperbe: 7/1/2005 0:00:00 Complperen: 7/22/2005 0:00:00 Enfdate: 7/22/2005 0:00:00 Enf action: State Compliance Achieved Violmeasur: Not Reported Truedate: 03/31/2009 Pwsid: NC0111117 Pwsname: POPLAR TERRACE MHP Retpopsrvd: 96 Pwstypecod: C Vioid: 1833006 Contaminant: 7000 Viol. Type: CCR Inadequate Reporting Complperbe: 10/1/2005 0:00:00 Complperen: 11/7/2005 0:00:00 Enfdate: 10/21/2005 0:00:00 Enf action: State Formal NOV Issued Violmeasur: Not Reported Truedate: 03/31/2009 Pwsid: NC0111117 Pwsname: POPLAR TERRACE MHP Retpopsrvd: 96 Pwstypecod: C Vioid: 1833006 Contaminant: 7000 Viol. Type: CCR Inadequate Reporting Complperbe: 10/1/2005 0:00:00 Complperen: 11/7/2005 0:00:00 Enfdate: 11/7/2005 0:00:00 Enf action: State Compliance Achieved Violmeasur: Not Reported Truedate: 03/31/2009 Pwsid: NC0111117 Pwsname: POPLAR TERRACE MHP Retpopsrvd: 96 Pwstypecod: C Vioid: 1836906 Contaminant: LEAD & COPPER RULE Viol. Type: Follow -up and Routine Tap Sampling Complperbe: 10/1/2005 0:00:00 Complperen: 12/31/2025 0:00:00 Enfdate: 6/12/2008 0:00:00 Enf action: State Public Notif Received Violmeasur: Not Reported Truedate: 03/31/2009 Pwsid: NC0111117 Pwsname: POPLAR TERRACE MHP Retpopsrvd: 96 Pwstypecod: C Vioid: 1836906 Contaminant: LEAD & COPPER RULE Viol. Type: Follow -up and Routine Tap Sampling Complperbe: 10/1/2005 0:00:00 Complperen: 12/31/2025 0:00:00 Enfdate: 7/20/2006 0:00:00 Enf action: State Formal NOV Issued Violmeasur: Not Reported TC3997186.1s Page 9 GEOCHECKCR)- PHYSICAL SETTING SOURCE MAP FINDINGS Truedate: 03/31/2009 Pwsid: NCO111117 Pwsname: POPLAR TERRACE MHP Retpopsrvd: 96 Pwstypecod: C Vioid: 1836906 Contaminant: LEAD & COPPER RULE Viol. Type: Follow -up and Routine Tap Sampling Complperbe: 10/1/2005 0:00:00 Complperen: 12/31/2025 0:00:00 Enfdate: 7/20/2006 0:00:00 Enf action: State Public Notif Requested Violmeasur: Not Reported Truedate: 03/31/2009 Pwsid: NC0111117 Pwsname: POPLAR TERRACE MHP Retpopsrvd: 96 Pwstypecod: C Vioid: 1836907 Contaminant: 7500 Viol. Type: PN Violation for NPDWR Violation Complperbe: 7/21/2007 0:00:00 Complperen: 6/1/2008 0:00:00 Enfdate: 6/1/2008 0:00:00 Enf action: State Compliance Achieved Violmeasur: Not Reported Truedate: 03/31/2009 Pwsid: NCO111117 Pwsname: POPLAR TERRACE MHP Retpopsrvd: 96 Pwstypecod: C Vioid: 1836908 Contaminant: TTHM Viol. Type: Monitoring and Reporting Stage 1 Complperbe: 1/1/2007 0:00:00 Complperen: 12/31/2007 0:00:00 Enfdate: 5/23/2008 0:00:00 Enf action: State Formal NOV Issued Violmeasur: Not Reported Truedate: 03/31/2009 Pwsid: NC0111117 Pwsname: POPLAR TERRACE MHP Retpopsrvd: 96 Pwstypecod: C Vioid: 1836908 Contaminant: TTHM Viol. Type: Monitoring and Reporting Stage 1 Complperbe: 1/1/2007 0:00:00 Complperen: 12131/2007 0:00:00 Enfdate: 5/23/2008 0:00:00 Enf action: State Public Notif Requested Violmeasur: Not Reported Truedate: 03/31/2009 Pwsid: NC0111117 Pwsname: POPLAR TERRACE MHP Retpopsrvd: 96 Pwstypecod: C Vioid: 1836908 Contaminant: TTHM Viol. Type: Monitoring and Reporting Stage 1 Complperbe: 1/1/2007 0:00:00 Complperen: 12/31/2007 0:00:00 Enfdate: 6/13/2008 0:00:00 Enf action: State AO (w /penalty) Issued Violmeasur: Not Reported Truedate: 03/31/2009 Pwsid: NC0111117 Pwsname: POPLAR TERRACE MHP Retpopsrvd: 96 Pwstypecod: C Vioid: 1836909 Contaminant: 2456 Viol. Type: Monitoring and Reporting Stage 1 Complperbe: 1/112007 0:00:00 Complperen: 12/31/2007 0:00:00 Enfdate: 5/23/2008 0:00:00 Enf action: State Formal NOV Issued Violmeasur: Not Reported TC3997186.1s Page 10 GEOCHECK@- PHYSICAL SETTING SOURCE MAP FINDINGS Truedate: 03/31/2009 Pwsid: NCO111117 Pwsname: POPLAR TERRACE MHP Retpopsrvd: 96 Pwstypecod: C Vioid: 1836909 Contaminant: 2456 Viol, Type: Monitoring and Reporting Stage 1 Complperbe: 1/1/2007 0:00:00 Complperen: 12/31/2007 0:00:00 Enfdate: 5/23/2008 0:00:00 Enf action: State Public Notif Requested Violmeasur: Not Reported Truedate: 03/31/2009 Pwsid: NC0111117 Pwsname: POPLAR TERRACE MHP Retpopsrvd: 96 Pwstypecod: C Vioid: 1836909 Contaminant: 2456 Viol. Type: Monitoring and Reporting Stage 1 Complperbe: 1/1/2007 0:00:00 Complperen: 1213112007 0:00:00 Enfdate: 6/13/2008 0:00:00 Enf action: State AO (w /penalty) Issued Violmeasur: Not Reported Truedate: 03/31/2009 Pwsid: NC0111117 Pwsname: POPLAR TERRACE MHP Retpopsrvd: 96 Pwstypecod: C Vioid: 1836910 Contaminant: 0999 Viol. Type: Monitoring and Reporting Stage 1 Complperbe: 1/1/2008 0:00:00 Complperen: 3/31/2008 0:00:00 Enfdate: 5/30/2008 0:00:00 Enf action: State Formal NOV Issued Violmeasur: Not Reported Truedate: 03/31/2009 Pwsid: NCO111117 Pwsname: POPLAR TERRACE MHP Retpopsrvd: 96 Pwstypecod: C Vioid: 1836910 Contaminant: 0999 Viol. Type: Monitoring and Reporting Stage 1 Complperbe: 11112008 0:00:00 Complperen: 3/31/2008 0:00:00 Enfdate: 5/30/2008 0:00:00 Enf action: State Public Notif Requested Violmeasur: Not Reported Truedate: 03/31/2009 Pwsid: NC0111117 Pwsname: POPLAR TERRACE MHP Retpopsrvd: 96 Pwstypecod: C Vioid: 1836910 Contaminant: 0999 Viol. Type: Monitoring and Reporting Stage 1 Complperbe: 1/1/2008 0:00:00 Complperen: 3/31/2008 0:00:00 Enfdate: 6/1/2008 0:00:00 Enf action: State Public Notif Received Violmeasur: Not Reported Truedate: 03/31/2009 Pwsid: NC0111117 Pwsname: POPLAR TERRACE MHP Retpopsrvd: 96 Pwstypecod: C Vioid: 1836910 Contaminant: 0999 Viol. Type: Monitoring and Reporting Stage 1 Complperbe: 1/1/2008 0:00:00 Complperen: 3/31/2008 0:00:00 Enfdate: 8/1/2008 0:00:00 Enf action: State Compliance Achieved Violmeasur: Not Reported TC3997186.1 s Pagel l GEOCHECK9- PHYSICAL SETTING SOURCE MAP FINDINGS ENFORCEMENT INFORMATION System Name: POPLAR TERRACE MHP Violation Type: OCCT Study Recommendation Contaminant: LEAD & COPPER RULE Compliance Period: 1994 -01 -01 - 2015 -12 -31 Violation ID: 0005035 Enforcement Date: 1995 -09 -29 System Name: POPLAR TERRACE MHP Violation Type: CCR Complete Failure to Report Contaminant: 7000 Compliance Period: 7/1/2002 0:00:00 - 8/1/2006 0:00:00 Violation ID: 1503 Enforcement Date: 8/1/2006 0:00:00 System Name: POPLAR TERRACE MHP Violation Type: CCR Complete Failure to Report Contaminant: 7000 Compliance Period: 7/1/2002 0:00:00 - 8/1/2006 0:00:00 Violation ID: 1503 Enforcement Date: 10/18/2002 0:00:00 System Name: POPLAR TERRACE MHP Violation Type: CCR Complete Failure to Report Contaminant: 7000 Compliance Period: 7/1/2002 0:00:00 - 8/1/2006 0:00:00 Violation ID: 1503 Enforcement Date: 10/18/2002 0:00:00 System Name: POPLAR TERRACE MHP Violation Type: CCR Complete Failure to Report Contaminant: 7000 Compliance Period: 7/1/2002 0:00:00 - 12/31/2025 0:00:00 Violation ID: 1503 Enforcement Date: 10/18/2002 0:00:00 System Name: POPLAR TERRACE MHP Violation Type: CCR Complete Failure to Report Contaminant: 7000 Compliance Period: 7/1/2002 0:00:00 - 12/31/2025 0:00:00 Violation ID: 1503 Enforcement Date: 10/18/2002 0:00:00 System Name: POPLAR TERRACE MHP Violation Type: CCR Complete Failure to Report Contaminant: 7000 Compliance Period: 7/1/2005 0:00:00 - 7/22/2005 0:00:00 Violation ID: 1808205 Enforcement Date: 10/11/2005 0:00:00 System Name: POPLAR TERRACE MHP Violation Type: CCR Complete Failure to Report Contaminant: 7000 Compliance Period: 7/1/2005 0:00:00 - 7/22/2005 0:00:00 Violation ID: 1808205 Enforcement Date: 7/22/2005 0:00:00 System Name: POPLAR TERRACE MHP Violation Type: CCR Complete Failure to Report Contaminant: 7000 Compliance Period: 7/1/2005 0:00:00 - 7/22/2005 0:00:00 Violation ID: 1808205 Enforcement Date: 10/11/2005 0:00:00 Enf. Action: State Public Notif Requested Enf. Action: State Compliance Achieved Enf. Action: State Public Notif Requested Enf. Action: State Formal NOV Issued Enf. Action: State Formal NOV Issued Enf, Action: State Public Notif Requested Enf. Action: State Formal NOV Issued Enf. Action: State Compliance Achieved Enf. Action: State Formal NOV Issued TC3997186.1s Page 12 GEOCHECK © - PHYSICAL SETTING SOURCE MAP FINDINGS ENFORCEMENT INFORMATION: System Name: POPLAR TERRACE MHP Violation Type: CCR Complete Failure to Report Contaminant: 7000 Compliance Period: 7/1/2005 0:00:00 - 7/22/2005 0:00:00 Violation ID: 1808205 Enforcement Date: 7/22/2005 0:00:00 System Name: POPLAR TERRACE MHP Violation Type: CCR Inadequate Reporting Contaminant: 7000 Compliance Period: 10/1/2005 0:00:00 - 11/7/2005 0:00:00 Violation ID: 1833006 Enforcement Date: 11/7/2005 0:00:00 System Name: POPLAR TERRACE MHP Violation Type: CCR Inadequate Reporting Contaminant: 7000 Compliance Period: 10/1/2005 0:00:00 - 11/712005 0:00:00 Violation ID: 1833006 Enforcement Date: 10/2112005 0:00:00 System Name: POPLAR TERRACE MHP Violation Type: CCR Inadequate Reporting Contaminant: 7000 Compliance Period: 10/1/2005 0:00:00 - 11/712005 0:00:00 Violation ID: 1833006 Enforcement Date: 11/7/2005 0:00:00 System Name: POPLAR TERRACE MHP Violation Type: CCR Inadequate Reporting Contaminant: 7000 Compliance Period: 10/1/2005 0:00:00 - 11/7/2005 0:00:00 Violation ID: 1833006 Enforcement Date: 10/21/2005 0:00:00 System Name: POPLAR TERRACE MHP Violation Type: Follow -up and Routine Tap Sampling Contaminant: LEAD & COPPER RULE Compliance Period: 10/1/2005 0:00:00 - 12/31/2025 0:00:00 Violation ID: 1836906 Enforcement Date: 7/20/2006 0:00:00 System Name: POPLAR TERRACE MHP Violation Type: Follow -up and Routine Tap Sampling Contaminant: LEAD & COPPER RULE Compliance Period: 10/1/2005 0:00:00 - 12/31/2025 0:00:00 Violation ID: 1836906 Enforcement Date: No Enf Action as of System Name: POPLAR TERRACE MHP Violation Type: Follow -up and Routine Tap Sampling Contaminant: LEAD & COPPER RULE Compliance Period: 10/1/2005 0:00:00 - 12/31/2025 0:00:00 Violation ID: 1836906 Enforcement Date: 7/20/2006 0:00:00 System Name: POPLAR TERRACE MHP Violation Type: OCCT Study Recommendation Contaminant: LEAD & COPPER RULE Compliance Period: 1994 -01 -01 - 2015 -12 -31 Violation ID: 9546078 Enforcement Date: 1995 -09 -29 Enf. Action: State Compliance Achieved Enf. Action: State Compliance Achieved Enf. Action: State Formal NOV Issued Enf. Action: State Compliance Achieved Enf. Action: State Formal NOV Issued Enf. Action: State Public Notif Requested Enf. Action: 10/17/2006 0:00:00 Enf. Action: State Formal NOV Issued Enf. Action: State Formal NOV Issued TC3997186.1 s Page 13 GEOCHECK1- PHYSICAL SETTING SOURCE MAP FINDINGS ENFORCEMENT INFORMATION System Name: POPLAR TERRACE MHP Violation Type: OCCT Study Recommendation Contaminant: LEAD & COPPER RULE Compliance Period: 1994 -01 -01 - 2015 -12 -31 Violation ID: 9546078 Enforcement Date: 1995 -09 -29 System Name: POPLAR TERRACE MHP Violation Type: OCCT Study Recommendation Contaminant: LEAD & COPPER RULE Compliance Period: 1994 -01 -01 - 2015 -12 -31 Violation ID: 9546078 Enforcement Date: 1995 -09 -29 System Name: POPLAR TERRACE MHP Violation Type: OCCT Study Recommendation Contaminant: LEAD & COPPER RULE Compliance Period: 1994 -01 -01 - 2015 -12 -31 Violation ID: 9546078 Enforcement Date: 1995 -09 -29 System Name: POPLAR TERRACE MHP Violation Type: OCCT Study Recommendation Contaminant: LEAD & COPPER RULE Compliance Period: 1994 -01 -01 - 1994 -06 -30 Violation ID: 9546078 Enforcement Date: 1995 -09 -29 System Name: POPLAR TERRACE MHP Violation Type: OCCT Study Recommendation Contaminant: LEAD & COPPER RULE Compliance Period: 1994 -01 -01 - 2015 -12 -31 Violation ID: 9546078 Enforcement Date: 1995 -09 -29 System Name: POPLAR TERRACE MHP Violation Type: OCCT Study Recommendation Contaminant: LEAD & COPPER RULE Compliance Period: 1994 -01 -01 - 2015 -12 -31 Violation ID: 9546078 Enforcement Date: 1995 -09 -29 System Name: POPLAR TERRACE MHP Violation Type: OCCT Study Recommendation Contaminant: LEAD & COPPER RULE Compliance Period: 1994 -01 -01 - 2015 -12 -31 Violation ID: 9546078 Enforcement Date: 1995 -09 -29 System Name: POPLAR TERRACE MHP Violation Type: OCCT Study Recommendation Contaminant: LEAD & COPPER RULE Compliance Period: 1994 -01 -01 - 2015 -12 -31 Violation ID: 9546078 Enforcement Date: 1995 -09 -29 System Name: POPLAR TERRACE MHP Violation Type: OCCT Study Recommendation Contaminant: LEAD & COPPER RULE Compliance Period: 1994 -01 -01 - 1994 -06 -30 Violation ID: 9546078 Enforcement Date: 1995 -09 -29 Enf. Action: State Formal NOV Issued Enf. Action: State Public Notif Requested Enf. Action: State Public Notif Requested Enf. Action: State Formal NOV Issued Enf. Action: State Formal NOV Issued Enf. Action: State Formal NOV Issued Enf. Action: State Public Notif Requested Enf. Action: State Public Notif Requested Enf, Action: State Public Notif Requested TC3997186.1 s Page 14 GEOCHECK9- PHYSICAL SETTING SOURCE MAP FINDINGS ENFORCEMENT INFORMATION: System Name: POPLAR TERRACE MHP Violation Type: Monitoring, Regular Contaminant: NITRATE Compliance Period: 1995 -01 -01 - 1995 -12 -31 Violation ID: 9708165 Enforcement Date: 1996 -11 -25 System Name: POPLAR TERRACE MHP Violation Type: Monitoring, Regular Contaminant: NITRATE Compliance Period: 1995 -01 -01 - 1995 -12 -31 Violation ID: 9708165 Enforcement Date: 1996 -11 -25 CONTACT INFORMATION: Name: POPLAR TERRACE MHP Contact: FITZGERALD, PHYLLIS Address: PO BOX 8489 Address 2: ASHEVILLE NC. 28 828 -2 Enf. Action: State Formal NOV Issued Enf. Action: State Public Notif Requested Population: 96 Phone: Not Reported TC3997186.1 s Page 15 GEOCHECK ® - PHYSICAL SETTING SOURCE MAP FINDINGS Map ID Direction Distance Database EDR ID Number NC_NHEO NC50000450 GISID: 93245 Classification by Type: Animal Occurrence Status: Extant NC_NHEO NC50016985 GISID: 33339 Classification by Type: Invertebrate Occurrence Status: Extant TC3997186.1 s Page 16 NC_NHEO NC50002655 GISID: 181726 Classification by Type: Animal Occurrence Status: Historic, no evidence of destruction NC_NHEO NC50005775 GISID: 52153 Classification by Type: Animal Occurrence Status: Extant NC_NHEO NC50008922 GISID: 12725 Classification by Type: Animal Occurrence Status: X NC_NHEO NC50010085 GISID: 13185 Classification by Type: Animal Occurrence Status: Historic, no evidence of destruction NC_NHEO NC50016985 GISID: 33339 Classification by Type: Invertebrate Occurrence Status: Extant TC3997186.1 s Page 16 GEOCHECK ® - PHYSICAL SETTING SOURCE MAP FINDINGS RADON AREA RADON INFORMATION State Database: NC Radon Radon Test Results Num Results Avg pCi /L Min pCi /L Max pCi /L 174 4.09 0.3 9.2 21 5.80 0.3 9.7 Federal EPA Radon Zone for BUNCOMBE County: 1 Note: Zone 1 indoor average level > 4 pCi /L. Zone 2 indoor average level >= 2 pCi /L and <= 4 pCi /L. Zone 3 indoor average level < 2 pCi /L. Federal Area Radon Information for Zip Code: 28704 Number of sites tested: 3 Area Average Activity % <4 pCi /L Living Area - 1st Floor 1.367 pCi /L 100% Living Area - 2nd Floor Not Reported Not Reported Basement 3.100 pCi /L 100% % 4 -20 pCi /L % >20 pCi /L 0% 0% Not Reported Not Reported 0% 0% TC3997186.1s Page 17 PHYSICAL SETTING SOURCE RECORDS SEARCHED TOPOGRAPHIC INFORMATION ' USGS 7.5' Digital Elevation Model (DEM) Source: United States Geologic Survey EDR acquired the USGS 75 Digital Elevation Model in 2002 and updated it in 2006. The 7.5 minute DEM corresponds to the USGS 1:24,000- and 1:25,000 -scale topographic quadrangle maps. The DEM provides elevation data ' with consistent elevation units and projection. HYDROLOGIC INFORMATION Flood Zone Data: This data, available in select counties across the country, was obtained by EDR in 2003 & 2011 from the Federal Emergency Management Agency (FEMA). Data depicts 100 -year and 500 -year flood zones as defined by FEMA. NWI: National Wetlands Inventory. This data, available in select counties across the country, was obtained by EDR in 2002, 2005 and 2010 from the U.S. Fish and Wildlife Service. State Wetlands Data: Wetlands Inventory Source: Department of Environment & Natural Resources Telephone: 919- 733 -2090 HYDROGEOLOGIC INFORMATION AQUIFLOWR Information System Source: EDR proprietary database of groundwater flow information EDR has developed the AQUIFLOW Information System (AIS) to provide data on the general direction of groundwater flow at specific points. EDR has reviewed reports submitted to regulatory authorities at select sites and has extracted the date of the report, hydrogeologically determined groundwater flow direction and depth to water table information. GEOLOGIC INFORMATION Geologic Age and Rock Stratigraphic Unit Source: P.G. Schruben, R.E. Arndt and W.J. Bawiec, Geology of the Conterminous U.S. at 1:2,500,000 Scale - A digital representation of the 1974 P.B. King and H.M. Beikman Map, USGS Digital Data Series DDS - 11 (1994). STATSGO: State Soil Geographic Database Source: Department of Agriculture, Natural Resources Conservation Services The U.S. Department of Agriculture's (USDA) Natural Resources Conservation Service (NRCS) leads the national Conservation Soil Survey (NCSS) and is responsible for collecting, storing, maintaining and distributing soil survey information for privately owned lands in the United States. A soil map in a soil survey is a representation of soil patterns in a landscape. Soil maps for STATSGO are compiled by generalizing more detailed ( SSURGO) soil survey maps. SSURGO: Soil Survey Geographic Database Source: Department of Agriculture, Natural Resources Conservation Services (NRCS) Telephone: 800 - 672 -5559 SSURGO is the most detailed level of mapping done by the Natural Resources Conservation Services, mapping scales generally range from 1:12,000 to 1:63,360. Field mapping methods using national standards are used to construct the soil maps in the Soil Survey Geographic ( SSURGO) database. SSURGO digitizing duplicates the original soil survey maps. This level of mapping is designed for use by landowners, townships and county natural resource planning and management. TC3997186.1s Page PSGR -1 PHYSICAL SETTING SOURCE RECORDS SEARCHED LOCAL / REGIONAL WATER AGENCY RECORDS ' FEDERAL WATER WELLS PWS: Public Water Systems Source: EPA/Office of Drinking Water ' Telephone: 202- 564 -3750 Public Water System data from the Federal Reporting Data System. A PWS is any water system which provides water to at least 25 people for at least 60 days annually. PWSs provide water from wells, rivers and other sources. PWS ENF: Public Water Systems Violation and Enforcement Data Source: EPA/Office of Drinking Water Telephone: 202 - 564 -3750 Violation and Enforcement data for Public Water Systems from the Safe Drinking Water Information System (SDWIS) after August 1995. Prior to August 1995, the data came from the Federal Reporting Data System (FRDS). USGS Water Wells: USGS National Water Inventory System (NWIS) This database contains descriptive information on sites where the USGS collects or has collected data on surface water and /or groundwater. The groundwater data includes information on wells, springs, and other sources of groundwater. STATE RECORDS North Carolina Public Water Supply Wells Source: Department of Environmental Health Telephone: 919- 715 -3243 OTHER STATE DATABASE INFORMATION NC Natural Areas: Significant Natural Heritage Areas Source: Center for Geographic Information and Analysis Telephone: 919- 733 -2090 A polygon converage identifying sites (terrestrial or aquatic that have particular biodiversity significance. A site's significance may be due to the presenceof rare species, rare or hight quality natural communities, or other important ecological features. NC Game Lands: Wildlife Resources Commission Game Lands Source: Center for Geographic Information and Analysis Telephone: 919- 733 -2090 All publicly owned game lands managed by the North Carolina Wildlife Resources Commission and as listed in Hunting and Fishing Maps. NC Natural Heritage Sites: Natural Heritage Element Occurrence Sites Source: Center for Geographic Information and Analysis Telephone: 919- 733 -2090 A point coverage identifying locations of rare and endangered species, occurrences of exemplary or unique natural ecosystems (terrestrial or aquatic), and special animal habitats (e.g., colonial waterbird nesting sites). RADON State Database: NC Radon Source: Department of Environment & Natural Resources Telephone: 919- 733 -4984 Radon Statistical and Non Statiscal Data Area Radon Information Source: USGS Telephone: 703 - 356 -4020 The National Radon Database has been developed by the U.S. Environmental Protection Agency (USEPA) and is a compilation of the EPA/State Residential Radon Survey and the National Residential Radon Survey. The study covers the years 1986 - 1992. Where necessary data has been supplemented by information collected at private sources such as universities and research institutions. TC3997186.1s Page PSGR -2 PHYSICAL SETTING SOURCE RECORDS SEARCHED EPA Radon Zones Source: EPA Te lephone: 703 - 356 -4020 Sections 307 & 309 of IRAA directed EPA to list and identify areas of U.S. with the potential for elevated indoor radon levels. OTHER Airport Landing Facilities: Private and public use landing facilities Source: Federal Aviation Administration, 800 - 457 -6656 Epicenters: World earthquake epicenters, Richter 5 or greater ' Source: Department of Commerce, National Oceanic and Atmospheric Administration Earthquake Fault Lines: The fault lines displayed on EDR's Topographic map are digitized quaternary faultlines, prepared in 1975 by the United State Geological Survey STREET AND ADDRESS INFORMATION © 2010 Tele Atlas North America, Inc. All rights reserved. This material is proprietary and the subject of copyright protection and other intellectual property rights owned by or licensed to Tele Atlas North America, Inc. The use of this material is subject to the terms of a license agreement. You will be held liable for any unauthorized copying or disclosure of this material. TC3997186.1s Page PSGR -3 � synTerra GROUNDWATER MONITORING PROGRAM SAMPLING, ANALYSIS, AND REPORTING PLAN FOR ASHEVILLE STEAM ELECTRIC PLANT 200 CP&L DRIVE ARDENT NORTH CAROLINA 28704 N PDES PERMIT # NC0000396 PREPARED FOR DUKE ENERGY PROGRESS, INC. RALEIGH, NORTH CAROLINA <4� DUKE ENERGY PROGRESS SUBMITTED: JULY 2014 H ward Frank Project Scientist Rath ebb, NC PG 1328 Project Manager Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra TABLE OF CONTENTS SECTION PAGE 1.0 Introduction ....................................................................................... ..............................1 2.0 Site Description ................................................................................ ............................... 2 2.1 Plant and Ash Management Area ............................................ ............................... 2 2.2 Ash Management Area Description ......................................... ............................... 2 3.0 Site Geology and Hydrogeology ................................................... ............................... 3 3.1 Geologic /Soil Framework .......................................................... ............................... 3 3.2 Hydrogeologic Framework ....................................................... ............................... 4 4.0 Monitoring Program ........................................................................ ............................... 6 4.1 Regulatory Requirements for Groundwater Monitoring ...... ............................... 6 4.2 Description of Groundwater Monitoring System .................. ............................... 7 4.3 Monitoring Frequency ................................................................ ............................... 8 4.4 Sample Parameters and Methods ............................................. ............................... 8 4.5 Data Quality Objectives ............................................................. ............................... 8 5.0 Sampling Procedures ....................................................................... ............................... 9 5.1 Sampling Equipment and Cleaning Procedures .................... ............................... 9 5.2 Groundwater Sampling ............................................................. ............................... 9 5.2.1 Development of Monitoring Wells ..................................... ............................... 9 5.2.2 Groundwater Level and Total Depth Measurements ...... ............................... 9 5.2.3 Well Purging and Sampling ................................................ .............................10 5.3 Sample Collection ....................................................................... .............................11 5.4 Sample Containers, Volume, Preservation, and Holding Time ........................ 11 5.5 Sample Tracking ....................................................................... ............................... 11 5.6 Sample Labeling ........................................................................ ............................... 11 5.7 Field Documentation .................................................................. .............................12 5.8 Chain -of- Custody Record .......................................................... .............................13 5.9 Sample Custody, Shipment, and Laboratory Receipt ............ .............................13 6.0 Analytical Procedures ..................................................................... .............................15 7.0 Internal Quality Control Checks ................................................... .............................16 8.0 Validation of Field Data Package ................................................. .............................18 9.0 Validation of Laboratory Data ....................................................... .............................19 10.0 Report Submittal ............................................................................ ............................... 20 11.0 References .......................................................................................... .............................21 Page P: \Duke Energy Progress.1026\ Asheville\ NPDES Permit Assistance \GW Monitoring Report \Asheville GW Monitoring Plan.docx Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra List of Figures Figure 1 - Site Location Map Figure 2 - Sample Location Map Figure 3 - Generalized Well Schematic Figure 4 - Low Flow Sampling Log Figure 5 - Example Field Sampling Calibration Form Figure 6 - Chain -of- Custody Record and Analysis Request Form Figure 7 - North Carolina Groundwater Sampling Checklist List of Tables Table 1 - Monitoring Well Information Table 2 - Sample Parameters, Analytical Methods, Containers, Preservatives, and Holding Times List of Appendices Appendix A - Boring Logs and Well Construction Records Appendix B - Attachment XX, Version 1.0, dated November 12, 2010 Page ii P: \Duke Energy Progress.1026\ Asheville\ NPDES Permit Assistance \GW Monitoring Report \Asheville GW Monitoring Plan.docx Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra 1.0 INTRODUCTION This Groundwater Monitoring Program Sampling, Analysis, and Reporting Plan (Plan) is developed to support the Duke Energy Progress, Inc. (Duke Energy) requirement for groundwater monitoring around the Asheville Steam Electric Plant (Asheville Plant) site ash management area operated under NPDES Permit NC0000396. This Plan describes the groundwater monitoring network, methodologies of field sampling, record - keeping protocols, analytical procedures, data quality objectives, data validation, and reporting that will be used for the Asheville Plant ash management area groundwater monitoring program. Page 1 P: \Duke Energy Progress. 1026 \Asheville\ NPDES Permit Assistance \ GW Monitoring Report \Asheville GW Monitoring Plan.docx 1 ' Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra ' 2.0 SITE DESCRIPTION ' 2.1 Plant and Ash Management Area The Asheville Plant began commercial operation in 1964, with additions in 1971, 1999 and 2000, and consists of two coal -fired units that primarily use bituminous coal to ' produce 376 - megawatts of power. The Plant also has two combustion turbines capable of producing 324 megawatts. Ash generated from the coal combustion has been stored on -site in the ash management area and is also used as beneficial fill at the nearby ' Asheville Airport. The on -site ash management area is encircled within the waste boundary and 500 -foot compliance boundary shown on Figure 1. Lake Julian was built for cooling water by damming the flow of Powell Creek on the north side of the plant. A large portion of Lake Julian borders the east side of the plant site. Powell Creek flows south to north. Surface water from the French Broad River is also pumped into Lake Julian as a supplemental water supply. The water from the French Broad River enters a stilling area of the lake on the north side of the plant. Heated water is discharged back into Lake Julian to the east of the plant. The French Broad River borders the west side of the property and flows south to north. 2.2 Ash Management Area Description The power plant and ash management area are located on the east side of I -26 and the French Broad River. The current configuration of the ash management area is shown on Figure 2. The ash management area consists of: • The original 1964 ash pond, built during plant construction and expanded in the 1970s, is now overlain with wastewater treatment wetlands. The treatment wetlands basins are lined. • The 1964 ash pond was replaced with a second ash pond, built in approximately 1982, located to the south of the 1964 ash pond. The 1982 ash pond is being dewatered and excavated. The ash is being transported to the Asheville Airport for structural fill. New ash is being generated daily and is being dewatered in concrete lined basins located on top of a portion of the 1964 ash pond. The ash pond system is an integral part of the plant's wastewater treatment system which receives inflows from ash transport water, coal pile runoff, storm water runoff, and various low volume wastes. The treated wastewater from the ash management area is permitted to discharge to the French Broad River via permitted Outfall 001. The 500 foot compliance boundary circles the ash management area (Figure 2). Page 2 P: \Duke Energy Progress.1026 \Asheville \NPDES Permit Assistance \GW Monitoring Report \Asheville GW Monitoring Plan.docx Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra MIX--) 6 i 41 1911191cY/_I i I 4:17 01:T91*16I11161cD 3.1 Geologic /Soil Framework The Asheville Plant is located in the Piedmont Mountain region of North Carolina as described by LeGrand (2004). In general, the regional geology consists of overburden, also referred to as regolith, and metamorphic bedrock. In stream valleys, fluvial deposits, also referred to as alluvium, overlie the bedrock. The metamorphic rock, primarily schist and gneiss, tends to be exposed on the ground surface along topographic ridges, road cuts, and in stream or river valleys. Where the metamorphic bedrock has been weathered into unconsolidated material, silt, sand and clay are found overlying the bedrock. The two layers, regolith /saprolite or alluvium, and consolidated bedrock form the basic framework of the groundwater system. The transition zone between the regolith and consolidated bedrock can be a significant hydrogeologic feature in the system. The regolith tends to be composed of a shallow soil zone where the relict structure of the original bedrock material is no longer present. The soil zone transitions downward into saprolite, which is still unconsolidated material, but has the visual texture of the parent bedrock. Saprolite is generally composed of silt, sand, and clay with a porosity ranging from 35 to 55 percent, making it a storage reservoir for groundwater with good natural attenuation characteristics. Where the thickness of saprolite is thin, or it is not present, the saturated zone may be entirely in fractured bedrock. The consolidated nature of the bedrock limits the presence and transport of groundwater to fractures interconnected with the ground surface or the overlying regolith. In areas where the saprolite to competent bedrock is gradual, the slightly weathered rock referred to as the 'transition zone' can be a significant zone of groundwater transport. The differences in the geologic settings, and natural variations in mineralogy, of the monitoring well screened intervals will result in natural variations in groundwater chemistry. The geology across the site varies from mica gneiss and garnet mica schist in the upland areas (east of I -26) to alluvium along the French Broad River floodplain (west of I -26). The mica gneiss (mgn) that underlies the majority of the site under the ash management area is described at a number of locations as containing pyrite, chlorite and garnets (see boring logs for PZ -113, PZ -17D). Mica schist is located in the vicinity of the compliance boundaries to the south and north of the site. Background well CB -1 and compliance boundary wells GW -1, CB -2, CB- 3 /CB -3R, CB-4 and CB-4B are located within the garnet mica schist (gms) along the south side of the site. Compliance boundary wells CB -5, Page 3 P: \Duke Energy Progress. 1026 \Asheville\ NPDES Permit Assistance \GW Monitoring Report \Asheville GW Monitoring Plan.docx Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit A NC0000396 SynTerra CB -6, and CB -7 are located within the alluvium (Qal) that follows the flood plain of the French Broad River. Compliance boundary well CB -8 is screened in the mica gneiss bedrock. The saprolite at this location is dry. CB -9 was installed in the mapped area as mica gneiss; however, the cuttings during well installation appeared to represent mica schist. Compliance boundary background wells CB -1 and CB -9 are representative of upland geology on the south and north sides of the property, with CB -1 being screened in saprolite and CB -9 being screened in weathered bedrock. CB -5 is representative of the alluvial aquifer conditions. 3.2 Hydrogeologic Framework The geology at the depth of the water table (the screened interval for most of the site compliance boundary wells) varies across the site from being within the regolith (within the saprolite), the transition zone between saprolite and competent bedrock, within the upper bedrock, or within floodplain alluvial deposits. Regolith is known for having a high capacity for groundwater storage, but the silts and clays transmit water very slowly. Fractured bedrock has low storage capacity but can transmit water very quickly. In some areas, a zone of partially weathered rock may occur beneath the saprolite and over competent bedrock. The zone of partially weathered rock is also referred to as the 'transition zone'. The transition zone tends to be sandy with coarse grained weathered rock fragments creating a significant groundwater transport zone where present. The topography of the water table (the depth to the saturated aquifer) tends to mirror the ground surface topography. Topographic ridges and stream valleys, or topographic lows between ridges create groundwater divides. The groundwater flow will follow the surface topography until the water table intersects the ground surface in a spring, seep or stream. As discussed by LeGrand (2004), the French Broad River and its tributaries are groundwater discharge zones for the saprolite and bedrock aquifer at the site. The French Broad River creates a hydrogeologic boundary to the west of the plant site. The Powell Creek drainage feature creates a hydrogeologic boundary to the north side of the site. The unnamed tributary located along the southern property line creates a hydrogeologic boundary to the south of the site. Lake Julian is located upgradient of the ash management area and it, along with the Powell Creek drainage basin, form the eastern hydraulic boundary of the site. Page 4 P: \Duke Energy Progress. 1026 \Asheville\ NPDES Permit Assistance \GW Monitoring Report\Asheville GW Monitoring Plan.docx Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra As further discussed by LeGrand (2004), groundwater moves continuously toward streams where it discharges in small springs or seeps in draws or topographic depressions. The path of groundwater is restricted by topography. Groundwater rarely passes beneath a perennial stream to another groundwater flow system. Thus the concept of local slope aquifer systems, or compartments, applies to the regional geologic setting of the site. The high crests of the water table (recharge zones) represent natural groundwater divides as do the low lying stream discharge zones. These localized hydrogeologic flow system compartments tend to keep potential contaminant migration within the flow compartment from which it originates. It is possible, although unusual, that isolated bedrock fractures that receive recharge from one slope aquifer compartment could extend beneath a boundary stream and intercept a fracture serving a well in a neighboring slope aquifer compartment. This can occur when a pumping well pulls the groundwater beyond its natural discharge zone. Most of the compliance boundary wells are screened near the depth of the water table within the saprolite or the transition zone with the exceptions being CB -413, CB -8 and CB -9. CB-4B is screened in the first water - bearing zone within the upper bedrock for the purpose of determining the vertical hydraulic gradient at this location. There is a downward vertical head of approximately six feet from the lower saprolite (CB -4) to the upper weathered bedrock (CB -4B) at this location. At CB -8, the first occurrence of water is in fractured bedrock. Therefore, background well CB -9 was installed in bedrock also to account for the natural variability in bedrock conditions on the north side of the site. The general direction of groundwater flow in the saprolite aquifer is west, toward the French Broad River, with localized variations as the water table mirrors surface topography. The saturated saprolite aquifer feeds the underlying fractures within the upper bedrock aquifer as evidenced by the downward vertical gradient observed in upland well cluster CB -4/4B. The direction of groundwater flow in the upper bedrock aquifer is also generally to the west, toward the French Broad River, with preferential flow paths toward the small tributaries and exposed outcrops along I -26 (localized discharge zones). The average precipitation in the Asheville, NC area is approximately 48 inches per year. Due to site topography and lower transmissivity rates for the saprolite aquifer, recharge rates are estimated to be moderate to low. There are no water supply wells located near the compliance boundary that would likely affect the natural groundwater flow pattern at the site. Page 5 P: \Duke Energy Progress.1026\ Asheville\ NPDES Permit Assistance \GW Monitoring Report\Asheville GW Monitoring Plan.docx ' Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra 4.0 MONITORING PROGRAM ' 4.1 Regulatory Requirements for Groundwater Monitoring The NPDES program regulates wastewater discharges to surface waters to ensure that surface water quality standards are maintained. Asheville operates under NPDES ' Permit NC0000396 (effective November 24, 2009) which authorizes discharge as follows. • Ash Pond Treatment System ( Outfall 001). Outfall 001 discharges directly to the ' French Broad River. The ash pond receives ash transport water, coal pile runoff, storm water runoff, various low volume wastes (such as boiler blowdown, backwash from the water treatment processes, ash hopper seal water, plant ' drains), air preheater cleaning water and chemical metal cleaning wastewater discharged from Internal Outfall 004 (potentially). f• Once Through Non - Contact Cooling Water System Outfall 002). This wastestream is discharged directly to Lake Julian via Outfall 002. ' • Chemical Metal Cleaning Treatment System ,Internal Outfall 0041. This wastestream may occasionally be discharged via Internal Outfall 004 to the ash ' pond treatment system or to the old ash pond (with prior DWR approval). Generally chemical metal cleaning wastes are treated by evaporation in boilers. ' • Flue Gas Desulfurization (FGD)(Intemal Outfall 005). This wastestream consists of the wet scrubber wastewater treatment system, which will discharge to the secondary settling basin (after the Ash Pond) via internal Outfall 005 (with ' ultimate discharge via Outfall 001). In addition to surface water monitoring, the NPDES permit requires groundwater monitoring. Attachment XX, Version 1.0, dated November 12, 2010, lists the groundwater monitoring wells to be sampled, the parameters and constituents to be measured and analyzed, and the requirements for sampling frequency and results reporting. These requirements are provided in Table 2. Attachment XX also provides requirements for well location and well construction. A copy of Attachment XX is included as Appendix B. The compliance boundary for groundwater quality associated with the Asheville Plant ash management area is defined in accordance with 15A NCAC 02L .0107(a) as being established at either 500 feet from the waste boundary or at the property boundary, whichever is closer to the source. Page 6 P: \Duke Energy Progress.1026\ Asheville\ NPDES Permit Assistance \GW Monitoring Report \Asheville GW Monitoring Plan.docx Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit A NC0000396 SynTerra In accordance with the November 12, 2010 Groundwater Monitoring Plan, analytical results have been submitted to the Department of Water Resources (DWR) before the last day of the month following the date of sampling. In the future, analytical results will be submitted to the DWR within 60 days of the date of sampling. 4.2 Description of Groundwater Monitoring System The current groundwater compliance monitoring program for the Asheville Plant includes the sampling of 11 wells. Since November 12, 2010, (the most recent written monitoring plan), one of the listed wells (CB -3) was replaced with CB -3R and an additional background well (CB -9) was added to the routine sampling. The 11 wells comprising the current monitoring well network at Asheville include two (2) background wells and nine (9) downgradient wells. The locations of the monitoring wells, the waste boundary, and the compliance boundary are shown on Figure 2. Well construction data is provided in Table 1 and Appendix A. Figure 3 is an example of the construction of a typical monitoring well. Based on water levels measured at the site, the general direction of groundwater flow is west, toward the French Broad River. The site wells provide monitoring data for the groundwater at the compliance boundary downgradient of the ash management area. The compliance monitoring network includes two background monitoring wells, CB -1 and CB -9, plus nine monitoring wells located in side - gradient and downgradient positions along the compliance boundary. The downgradient compliance boundary wells were installed in the water table with the exception of CB -4B which was installed in the upper bedrock approximately 20 feet deeper than lower saprolite compliance boundary well CB-4 to monitor the vertical hydraulic gradient in the area. For CB -8, the first occurrence of groundwater was located in competent bedrock. The remainder of the downgradient compliance boundary wells were installed in the saprolite or alluvium, above bedrock. Background well CB -9 was installed to monitor background bedrock aquifer conditions on the north side of the Plant in a similar geologic setting as CB -8. In December 2010, Progress Energy Carolinas (PEC), now Duke Energy Progress, Inc., purchased additional property to the south of the plant, revising the compliance boundary near CB -3. As a result, CB -3 was replaced by CB -3R at the new compliance boundary. CB -3R was screened at the top of competent bedrock within the transition zone as specifically requested by NCDENR (August 22, 2012 correspondence). Page 7 P: \Duke Energy Progress.1026\ Asheville\ NPDES Permit Assistance \GW Monitoring Report \Asheville GW Monitoring Plan.docx Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra The groundwater monitoring for most of the compliance wells began in November 2010. Monitoring of CB -3R and CB -9 began in November 2012. Well construction logs are included in Appendix A. 4.3 Monitoring Frequency The monitoring wells will be sampled three times per year in April, July, and November. 4.4 Sample Parameters and Methods The monitoring program consists of sampling and analysis for parameters and constituents identified in Attachment XX of the NPDES permit (Appendix B). The parameters and the analytical methods are presented in Table 2. The analytical results for the monitoring program will be compared to the 2L Standards or the site - specific background concentrations. 4.5 Data Quality Objectives The overall Quality Assurance (QA) objective is to ensure that reliable data of known and acceptable quality are provided. All measurements will be documented to yield results that are representative of the groundwater quality. Data will be calculated and reported in units as required by the North Carolina Department of Environment and Natural Resources (NCDENR). The analytical QA objectives for precision, accuracy, and completeness have been established by the laboratory(s) in accordance with the Environmental Protection Agency (EPA) or other accepted agencies for each measurement variable where possible. The objectives are outlined in the Duke Energy Analytical Laboratory Procedures Manual and are available upon request. Appropriate methods have been selected to meet applicable standards for groundwater ' quality. Instances may occur, however, in which the condition of the sample will not allow detection of the desired limits for various parameters either because of matrix interference or high analyte concentrations requiring sample dilution. The laboratory(s) ' will provide sufficient documentation with each data package to notify reviewers about analytical problems with the data, if needed. ' Page 8 P: \Duke Energy Progress. 1026 \ Asheville\ NPDES Permit Assistance \GW Monitoring Report\Asheville GW Monitoring Plan.docx Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra 5.0 SAMPLING PROCEDURES 5.1 Sampling Equipment and Cleaning Procedures Development and sampling equipment shall be selected to ensure that materials are compatible with the sample parameters and comply with state and federal regulatory requirements for sampling. New disposable sampling equipment (peristaltic pump tubing) is used for each monitoring well sampled. For non - dedicated equipment used, such as water level tapes and submersible pumps, the equipment will be cleaned before and after use in each well in accordance with standard EPA - approved cleaning procedures for field equipment. This standard is outlined in the Standard Operating Procedures and Quality Assurance Manual, Engineering Support Branch, EPA Region IV, February 1, 1991 as revised December 20, 2011. 5.2 Groundwater Sampling 5.2.1 Development of Monitoring Wells Monitoring wells addressed in this sampling plan have been developed. If new monitoring wells are installed, they will be developed prior to initial sampling. Development removes silt that has settled into the bottom of the well following installation and removes fine silt and clay particles from the well screen and sand -pack surrounding the screen. Well development is necessary to eliminate potential clogging and enhance well performance. Development involves removing an estimated ten or more well volumes from the well using a submersible pump with up- and -down agitation to loosen particles from the well screen. If the turbidity for a well increases over time, the well may be re- developed to restore conditions. 5.2.2 Groundwater Level and Total Depth Measurements Water level measurements are collected and recorded to determine the groundwater elevation and flow direction. Site monitoring wells have been surveyed to determine the elevation of the top of well casing (TOC). Water level measurements are referenced to the TOC and recorded to the nearest one- hundredth of a foot. Water level measurements are made with an electronic measuring device consisting of a spool of dual- conductor wire and sensor. When the sensor comes in contact with water, the circuit is closed and a meter light and /or buzzer Page 9 P: \Duke Energy Progress. 1026 \Asheville\ NPDES Permit Assistance \GW Monitoring Report \Asheville GW Monitoring Plan.docx Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra attached to the spool signal the contact. When the signal is sounded, the water level is recorded on the Groundwater Monitoring Data Sheet (Figure 4). To minimize sample turbidity, low flow sample methods are used whenever possible. Using low -flow sampling techniques, the volume of the stagnant water in the well is not calculated and the total well depth is not routinely measured to avoid disturbing the bottom sediments. If conditions indicate a possible problem with the integrity of a well, the total well depth may be measured. 5.2.3 Well Purging and Sampling The selection of purging technique is dependent on the hydrogeologic properties of the aquifer and hydraulic characteristics of each well. Hydraulic conductivity, water column, well volume, screen length, and other information are evaluated to select the purging technique to acquire groundwater representative of the aquifer conditions. At the Asheville Plant, a low -flow purging technique has been selected as the most appropriate technique to minimize sample turbidity as desired. ■ During low -flow purging and sampling, groundwater is pumped at flow rates that minimize or stabilize water level drawdown within the wells. At Asheville, ' low -flow sampling is conducted using a peristaltic pump or low -flow submersible pump with new tubing. The intake is lowered to the mid -point of ' the screened interval. A multi- parameter water quality monitoring instrument is used to measure field indicator parameters within a flow - through chamber during purging. Measurements include pH, specific conductance, and ' temperature. Indicator parameters are measured over time (usually at 3 -5 minute intervals). ' When parameters have stabilized within ±0.2 pH units and ±10 percent for temperature and specific conductivity over three consecutive readings, representative groundwater has been achieved for sampling. Turbidity is not a ' required stabilization parameter, however turbidity levels of 10 NTU or less are targeted. ' The Groundwater Monitoring Data Sheet (Figure 4) is used to record purge data and field measurements. ' Instrument calibration is performed and documented before the beginning of the sampling event, at mid -day, and after each sampling event. The pH subsystem is ' calibrated with two pH standards (pH 7.0 and 4.0) bracketing the expected groundwater pH. The specific conductance subsystem is calibrated using two ' Page 10 P: \Duke Energy Progress.1026\ Asheville\ NPDES Permit Assistance \GW Monitoring Report \Asheville GW Monitoring Plan.docx Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit tl NC0000396 SynTerra standards bracketing the expected groundwater conductivity. Calibration results are recorded on a Field Sampling Calibration Form (Figure 5). 5.3 Sample Collection Groundwater samples are collected after the indicator parameters have stabilized. Sampling personnel wear new, clean, disposable, non - powdered nitrile gloves at each location. Samples are collected in the order of the volatilization sensitivity of the parameters: • Metals, metalloids, and selenium • Sulfate, nitrate, and chloride • Total dissolved solids Groundwater samples are preserved and stored according to parameter- specific methods and delivered to the laboratory under proper Chain -of- Custody (COC) procedures. All pertinent notations, water -level measurements, removed well volumes, and indicator parameters are documented on the Groundwater Monitoring Data Sheet (Figure 4). 5.4 Sample Containers, Volume, Preservation, and Holding Time Sample containers supplied by the laboratory shall be new and pre - cleaned as approved by EPA procedures appropriate for the parameters of interest. Table 2 summarizes the sample containers, sample volume, preservation procedures, and holding times required for each type of sample and parameter for the monitoring program. Sample containers will be kept closed until used. Sample containers will be provided by Duke Energy or vendor laboratories. 5.5 Sample Tracking The COC procedures allow for tracing the possession and handling of individual samples from the time of field collection through laboratory analysis and report preparation. Samples are logged by the laboratory with a unique tracking number for each sample. An example of the COC Record is provided as Figure 6. 5.6 Sample Labeling Sample containers shall be pre - labeled and organized prior to field activities as part of the pre - sampling staging process. As samples are collected, the sampling personnel write the following information directly on the label: sampling date and time, and initials of sample collector. This information is also recorded on the Groundwater Monitoring Data Sheet (Figure 4) and the COC Record (Figure 6). Page 11 P: \Duke Energy Progress. 1026 \Asheville\ NPDES Permit Assistance \GW Monitoring Report \Asheville GW Monitoring Plan.docx Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra 5.7 Field Documentation Field documentation from each sampling event is recorded on the Groundwater Monitoring Data Sheets (Figure 4), the Field Sampling Calibration Form (Figure 5), and the Chain -of- Custody Record (Figure 6). Additionally, a Groundwater Sampling Site Checklist (Figure 7), or equivalent, is completed indicating information about the monitoring wells such as proper identification (ID) tag and condition of protective casing and pad. Field notations shall be made during the course of the field work to document the following information: • Identification of well • Well depth • Static water level depth and measurement technique • Well yield — high or low • Purge volume or pumping rate • Sample identification numbers • Well evacuation procedure /equipment • Sample withdrawal procedure /equipment • Date and time of collection • Types of sample containers used • Identification of replicates or blind samples • Preservative(s) used • Parameters requested for analysis • Field analysis data and methods • Sample distribution and transporter • Field observations during sampling event • Name of sample collector(s) • Climatic conditions including estimate of air temperature The Groundwater Monitoring Data Sheet, Field Sampling Calibration Form, and COC ' Record and Analysis Request Form will be filed by project and date. Recorded entries will be made on electronic forms or on paper forms in indelible ink. Errors on paper documents will be corrected by drawing a line through the error, initialing and dating ' the correction, and starting a new entry on the next line (if necessary). ' Page 12 P: \Duke Energy Progress.1026\ Asheville\ NPDES Permit Assistance \GW Monitoring Report\Asheville GW Monitoring Plan.docx Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra 5.8 Chain -of- Custody Record The COC Record (Figure 6) accompanies the sample(s), traces sample possession from time of collection to delivery to the laboratory(s), and clearly identifies which sample containers have been designated for each requested analysis. The record includes the following types of information: • Sample identification number • Signature of collector • Date and time of collection • Sample type (e.g., groundwater, immiscible layer) • Identification of well • Number of containers • Parameters requested for analysis • Preservative(s) used • Signature of persons involved in the chain of possession • Inclusive dates of possession 5.9 Sample Custody, Shipment, and Laboratory Receipt For the purpose of these procedures, a sample is considered in custody if it is: • In actual possession of the responsible person • In view, after being in physical possession • Locked or sealed in a manner so that no one can tamper with it after having been in physical custody or in a secured area restricted to authorized personnel. Samples shall be maintained in the custody of the sampling crew during the sampling event. At the end of each sampling day and prior to the transfer of the samples off site, entries shall be completed on the COC form for all samples. Upon transfer of custody, the COC form is signed by a sampling crew member, including the date and time. If outside vendor laboratories are utilized, samples shall be delivered to these facilities by Duke Energy personnel or courier. COC forms received by the laboratory(s) shall be signed and dated by the respective supervising scientist(s) or their designee (at the Duke Energy Analytical Lab Services lab) or the laboratory sample custodian (at vendor labs) immediately following receipt by the laboratory. The analysts at the laboratory(s) maintain a sample tracking record Page 13 P: \Duke Energy Progress. 1026 \Asheville\ NPDES Permit Assistance \GW Monitoring Report \Asheville GW Monitoring Plan.docx Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra that will follow each sample through all stages of laboratory processing. The sample tracking records show the date of sample extraction or preparation and analysis. These ' records are used to determine compliance with holding time limits during lab audits and data validation. ' Custody procedures followed by Duke Energy Analytical Lab Services laboratory personnel are described in detail in the Duke Energy Analytical Lab Services Procedures Manual. ' Page 14 P: \Duke Energy Progress.1026 \Asheville \NPDES Permit Assistance \GW Monitoring Report\Asheville GW Monitoring Plan.docx Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra 6.0 ANALYTICAL PROCEDURES The main analytical laboratory used in this program is the Duke Energy Analytical Lab Services laboratory: N.C. Drinking Water (NC37804) and Wastewater ( #248) Certifications. The organizational structure and staff qualifications of the laboratory are discussed in its generic Quality Assurance Program (QAP). The QAP and the Analytical Laboratory Procedures Manual are available for review upon request. Vendor laboratories that meet EPA and North Carolina certification requirements may be used for analyses with approval by Duke Energy. The analytical procedures used for the samples analyzed for this Groundwater Monitoring Program are listed in Table 2. Specific conductance, field pH, and temperature are measured in the field according to the Duke Energy Groundwater Monitoring and Sample Collection Procedure or the instrument manufacturer instructions. Page 15 P: \Duke Energy Progress. 1026 \Asheville\ N PDES Permit Assistance \GW Monitoring Report \Asheville GW Monitoring Plan.docx Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra 7.0 INTERNAL QUALITY CONTROL CHECKS Internal laboratory quality control (QC) checks used by the laboratories are described in each laboratory's generic QAP and procedures manual. Using the internal laboratory QC checks, the laboratories demonstrate the ability to produce acceptable results using the methods specified. Internal quality control checks for sampling procedures and laboratory analyses will be conducted with each sampling event. These checks will consist of the preparation and submittal of field blanks, trip (travel) blanks, and /or field replicates for analysis of all parameters at frequencies described in the laboratory(s) procedures manuals. The field QC blanks and replicates that may be included as internal QC checks are described below. The specific type and number of blanks used may vary depending on the sampling event and will be determined by the Duke Energy field sampling personnel: • Field Blanks: A field blank consists of a sample container filled in the field with organic free, deionized, or distilled water prepared and preserved in the same manner as the samples. The field blank is transported to the laboratory with the samples and analyzed along with the field samples for the constituents of interest to check for contamination imparted to the samples by the sample container, preservative, or other exogenous sources. Field blanks are typically utilized for each sampling event. The field blanks are typically analyzed for major anions, cations and metals. • Trip Blanks: A trip (travel) blank is a sample container filled with organic -free water in the laboratory that travels unopened with the sample bottles. Trip blanks are typically utilized when sampling for volatile organic compounds. The trip blank is returned to the laboratory with the field samples and analyzed along with the field samples for parameters of interest. • Equipment Blanks: If non - dedicated equipment is used, it is recommended that equipment blanks be collected. The field equipment is cleaned following documented cleaning protocols. An aliquot of the final control rinse water is passed over the cleaned equipment directly into a sample container and submitted for analyses. Page 16 P:\Duke Energy Progress.1026 \ Asheville\ NPDES Permit Assistance\ GW Monitoring Report\ Asheville GW Monitoring Plan.docx Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra • Field Replicates: A field replicate is a duplicate sample prepared at the sampling ' locations from equal portions of all sample aliquots combined to make the sample. Both the field replicate and the sample are collected at the same time, in , the same container type, preserved in the same way, and analyzed by the same laboratory as a measure of sampling and analytical precision. 1 Page 17 , P: \Duke Energy Progress.1026 \Asheville \NPDES Permit Assistance \GW Monitoring Report \Asheville GW Monitoring Plan.docx ' Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra ' 8.0 VALIDATION OF FIELD DATA PACKAGE ' The field data package includes all of the field records and measurements developed by the sampling team personnel. The field data package validation will be performed by Duke Energy personnel. The procedure for validation consists of the following: ' • A review of field data contained on the Groundwater Monitoring Data Sheets for completeness. ' • Verification that equipment blanks, field blanks, and trip blanks were properly prepared, identified, and analyzed. • A check of the Field Sampling Calibration Form forequipment calibration and ' instrument conditions. • A review of the COC Record for proper completion, signatures of field personnel ' and the laboratory sample custodian, dates and times, and for verification that the correct analyses were specified. Page 18 P: \Duke Energy Progress.1026 \Asheville \NPDES Permit Assistance \GW Monitoring Report \Asheville GW Monitoring Plan.docx Groundwater Monitoring Program July 2014 , Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra 9.0 VALIDATION OF LABORATORY DATA The laboratory will perform a validation review of the submitted samples and , analytical results to ensure that the laboratory QA /QC requirements are acceptable. Page 19 ' P: \Duke Energy Progress.1026 \Asheville \NPDES Permit Assistance \GW Monitoring Report\Asheville GW Monitoring Plan.docx ' Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra 1 10.0 REPORT SUBMITTAL ' Two copies of the report of the monitoring results for the compliance wells will be submitted to the DWR within 60 days of the date of sampling. The monitoring results will be submitted on NCDENR Form GW- 59CCR. The DWR will be notified in the event that vendor lab analyses have not been completed within this time frame. Groundwater Monitoring Data Sheets, Field ' Calibration Forms, Chain -of- Custody Records, Laboratory QA data, and Data Validation Checklists shall be kept on file by Duke Energy and are available upon ' request. ' Page 20 P: \Duke Energy Progress. 1026 \Asheville\ NPDES Permit Assistance \GW Monitoring Report\Asheville GW Monitoring Plan.docx Groundwater Monitoring Program July 2014 Asheville Steam Electric Plant, NPDES Permit # NC0000396 SynTerra 11.0 REFERENCES Golder Associates NC, Inc., May 2007. Draft Design Hydrogeologic Report, Progress Energy, Asheville Plant Proposed Coal Combustion Products Monfill, Buncombe County, North Carolina. LeGrand, Harry E., Sr., 2004. A Master Conceptual Model for Hydrogeological Site Characterization in the Piedmont and Mountain Region of North Carolina: A Guidance Manual. North Carolina Department of Environment and Natural Resources, Division of Water Quality, Groundwater Section. North Carolina Department of Environment and Natural Resources, June 17, 2011. Policy for Compliance Evaluation of Long -Term Permitted Facilities with No Prior Groundwater Monitoring Requirements. From Ted L. Bush, Chief, Aquifer Protection Section. North Carolina Division of Water Quality, April 2012. DRAFT - Evaluating Metals in Groundwater at DWQ Permitted Facilities: A Reference Document for DWQ Staff. North Carolina Department of Natural Resources and Community Development, 1985, Geologic Map of North Carolina. SynTerra, Site Conceptual Model Report, Progress Energy Carolinas, Inc. an Indirect Subsidiary of Duke Energy Corporation, Asheville Steam Electric Plant, Arden, North Carolina, April 2013. Page 21 P: \Duke Energy Progress.1026\ Asheville\ NPDES Permit Assistance \GW Monitoring Report \Asheville GW Monitoring Plan.docx FIGURES •� /C \l j f '� {~`��•!'\ ;' Y. � t `�;�.J �Ll�l\ JI• } �� ���t`j � :�.�.�lll�'11i /i.• •.� "'�. f` �✓�� • + �"7 � M11_T /'�(1//�� t ' —� V i1t t \'11 \ r f.�. i 1 1\ _ \ . h..s� •_ V — t•, 1160 i V'l,t, ` ✓,,,p� ' ( (! 1 �` �9 `r���ll• (J`A s• i� r - A' 1•IRll(''„"g /,, Q.A i� /i� `- (/ � �•� � iN J__� c Hark •' ! l .� r ' ", n .b � � ;;.�i �.� �� . ers id , �. . A -7 i' r�� 43`r •/ ���. /� ^ Id c �'G8! '� \i ,r� !„ ^� ai ;.�, • • �f i �.,/� ,"../ TI %„ :3,— ��• V �, i ... •' � I! �!-•.\� / +� \, _ tj ;iE(.L.L� _ _ � il•r � .� PPP •� � � � / � .•� -t t ��I Lr p I n� t` t it j�✓ ' • _ /4 sf•r ri \\l ry 1 75 ` t Ed .1 z _LAKE JULIAN r� \� �' ter' \ n\" !'r J �i , ' •• 1 RS "" X11500' COMPLIANCE BOUNDARY 3 r� ��/— 'r r 1 }} -I i Subslalto \�tW3 Gq a ` } F ✓- ' / i'. WASTE _ — nevi , ^ I vi BOUNDARY `' �J;. % ,Co DUKE ENERGY PROGRESS �I� ASHEVILLE PLANT 1P EV Iry `ti✓ it!/ `� /� -� 1 4 " „` } PROPERTY BOUNDARYQ_ - `m Mii►rti - i•[ G3 • 1 / cft s '-7Fa i • i �f CD ^� �r� %1';\ .- _-\ ,% , zoo / _ '” ;` fr -\ — �• f\ . ' �1 ,l ��. .dpi• a� l\ / r R� 1. Nryr t `I ,r.1i� } �✓� +` Cam! -_.� '� Jam• �r`� ' �..•� !j�/r_'�'v11 • :�d' i�• i `"� \r, ; .r -/ � y,, n 1,� I • {V �'• ti � \ � -! . =-1�� �t/' �" 'fir" � t I SOURCE: USGS TOPOGRAPHIC MAP OBTAINED FROM GEOSPATIAL DATA GATEWAY AT http : / /datagateway.nres.usda.gov/ I•' p+ r oQ `` '•�� \� ,(, • ' I , . — FIGURE 1 SITE LOCATION MAP DUKE ENERGY PROGRESS - ASHEVILLE PLANT ' 200 CP81L DRIVE S\m Terra ARDEN NORTH CAROLINA �/ BUNCOMBE COUNTY SKYLAND NC QUADRANGLE 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA DRAWN BY S ARLEDGE DATE 07/25/2014 GRAPHIC SCALE PHONE 864 -421 -9999 PROJECT MANAGER IVITHY WEBS CONTOUR INTERVAL 20 FT 1000 0 1000 2000 www.synterracorp.com LAYOUT FIG I(USGS SITE LOCATION) MAP DATE. 1991 IN FEET ABOVEGROUND WELL PROTECTOR (4 INCH X 4 INCH X 5 FOOT STEEL CASING WITH HINGLD LOCKAbLL LID) 2' 6' TO 3' 0' (NOMINAL) STICK-Ur' NEAT CEMENT OR NEAT CEMENT BENTONITE MIX FROM BENTCNITE SEAL TO GROUND SURFACE C WELL SCREEN (0.010" MANUFACTURED SLOTS, TYPICAL) WELL PACKING (TYP. #1 OR #2 SAND) MALE PVC PLUG DRILL t" DIAMETER VENT HOLE BELOW PLUG 2" DIA. PVC WELL CASING GROUND SURFACE CONCRETE PAD �6' MIN. 2 FT X 2 FT SQUARE BORING (S' NOMINAL DIAMETER) BENTONITE SEAL 2' -0* (MINIMUM) 2' -0' (MINIMUM) SCRLLN LLNGIH VARILS (5' TO 15' TYP.) I 6t' OF WELL SAND Typical Well Construction Details (no scale) INFORMATION PROVIDED BY DUKE ENERGY CAROLINAS. LLC 148 RIVER STREET. SUITE 220 GREENVILLE PHONE(864) SOUTH CAROLINA 29601 FIGURE 3 PHONE (864)421 -9999 http: //www.synterracorp.com GENERALIZED WELL SCHEMATIC synTerrd DRAWN BY H. Frank Date 7/10/2014 ASHEVILLE STEAM ELECTRIC PLANT PROJECT MANAGER. Kathy Webb P.\Progress Energy.1026 \10. NC Sites \01. Seep and NPDES Permit AssistanceWSHEVILLE\GW Monitonng Plan\ FIGURE 4 LOW FLOW SAMPLING LOG DUKE ENERGY PROGRESS, INC. ASHEVILLE PLANT 10 FIELD PERSONNEL: FLOW RATE synTerra WEATHER: ❑ SUNNY ❑ OVERCAST ❑ RAIN TEMPERATURE (APPROX): 148 River Street, Suite 220 NOTES: ORP° Greenville, South Carolina 29601 (864) 421.9999 . (864) 421 -9909 Fax (ml-/min) w .synTerracorp. corn (µskrn) (mg/L) WELL ID: PUMP/TUBING INTAKE DEPTH: (FT) START PURGE TIME: MEASURING POINT: START PURGE DATE: END PURGE TIME: WELL DIAMETER: (IN) END PURGE DATE: FINAL READING TIME: WELL DEPTH: (FT) TOTAL VOLUME PURGED: (GAL) DEPTH TO WATER: (FT) SAMPLE DATE: SAMPLE COLLECTION TIME: PURGE METHOD: ❑ Grundfos Pump ❑ 12 Volt Pump ❑ Peristaltic Pump ❑ Dedicated Pump ❑ Teflon Bailer ❑ Polyethylene Bailer SAMPLE METHOD: ❑ Grundfos Pump ❑ 12 Volt Pump ❑ Peristaltic Pump ❑ Dedicated Pump ❑ Teflon Bailer ❑ Polyethylene Bailer COMMENTS: FIELD VEHICLE ACCESSIBLE ❑ YES ❑ NO Associated midday /end -of -day pH check within ±0.1 std unts? ❑ YES ❑ No. If NO, pH data reported on this sheet should be considered as flagged accordingly SynTerra is not NC- certified for these parameters. Data collected for information purposes only WELL TAG PROTECTIVE CASING LOCK CAP CONCRETE PAD GOOD ❑ BAD ❑ NONE ❑ GOOD ❑ BAD ❑ NONE ❑ GOOD ❑ BAD ❑ NONE ❑ GOOD ❑ BAD ❑ NONE ❑ GOOD ❑ BAD ❑ NON WATER LEVEL FLOW RATE TEMPERATURE CONDUCTANCE DO pH ORP° TURBIDITY' TIME (FT) (ml-/min) (° Celsius) (µskrn) (mg/L) (su) (mV) (NTU) NOTES KQ K KQ z W W Z � J Vf Vf W ~ W W W a 3 tp 5 5 v J o J a J a o z COMMENTS: FIELD VEHICLE ACCESSIBLE ❑ YES ❑ NO Associated midday /end -of -day pH check within ±0.1 std unts? ❑ YES ❑ No. If NO, pH data reported on this sheet should be considered as flagged accordingly SynTerra is not NC- certified for these parameters. Data collected for information purposes only WELL TAG PROTECTIVE CASING LOCK CAP CONCRETE PAD GOOD ❑ BAD ❑ NONE ❑ GOOD ❑ BAD ❑ NONE ❑ GOOD ❑ BAD ❑ NONE ❑ GOOD ❑ BAD ❑ NONE ❑ GOOD ❑ BAD ❑ NON NUMBER OF CONTAINERS PRESERVATION KQ K KQ z W W Z � J Vf Vf W ~ W W W a 3 tp 5 5 v J o J a J a o z E E E 8 E E E 8 r 0 1 -0 w CONSTITUENTS SAMPLED _ _ _ _ _ ° COMMENTS: FIELD VEHICLE ACCESSIBLE ❑ YES ❑ NO Associated midday /end -of -day pH check within ±0.1 std unts? ❑ YES ❑ No. If NO, pH data reported on this sheet should be considered as flagged accordingly SynTerra is not NC- certified for these parameters. Data collected for information purposes only WELL TAG PROTECTIVE CASING LOCK CAP CONCRETE PAD GOOD ❑ BAD ❑ NONE ❑ GOOD ❑ BAD ❑ NONE ❑ GOOD ❑ BAD ❑ NONE ❑ GOOD ❑ BAD ❑ NONE ❑ GOOD ❑ BAD ❑ NON synTerra Instrument ID: YSI- 556 -MPS Analyst: Instrument Calibration Log SynTerra Corporation 148 River Street, Suite 220 Greenville, South Carolina 29601 NC Field Parameter Certification No. 5591 Date: Location: pH Initial Calibration (standard units) Reference Method: SW846 9040C Cal. Time Cal. Buffer 4.0 Cal. Buffer 7.0 Cal Buffer 10.0 *Check Buffer 7.0 *pH buffer checks are to be within + 0.1 pl { units of the standards true value 4 Buffer Reference: 10 Buffer Reference: 7 Buffer Reference: Check Buffer Reference: n canDration LneCK tstanaara units Time I Check Buffer True Value I *Check Buffer Measured Value Mid -Day End -of -Day Other .pH buffer checks are to be within t 0.1 pH units of the standards true value Check Buffer Reference: Action Required: Specific Conductance (umhos /cm) Reference Method: SW846 9050A Time Calibration Std 1413 Verification Std 1413 Initial Cal Meter DO Reading m /L Correction Factor Theoretical DO m /L Mid -Day Not Applicable End -of -Day Not Applicable Mid -Day *Verification standard ± 10 percent of the standards true value Calibration Standard Reference: Verification Standard Reference: Action Required: Dissolved Oxygen (mg /L) Reference Method: SM 4500 O G -2001 i neorencai tw = uu nom -- urssorvea oxygen meter Laiimauon venncanon t aDie at ammem temp R correcnon ractor at barometric rressure Theoretical DO and Meter DO reading within + 0.5 mg/I, if not calibrate meter. Action Required: FIGURE 5 - EXAMPLE FIELD SAMPLING CALIBRATION FORM Time Temp °C Barometric Pressure mm H Meter DO Reading m /L Correction Factor Theoretical DO m /L Initial Mid -Day End -of -Day i neorencai tw = uu nom -- urssorvea oxygen meter Laiimauon venncanon t aDie at ammem temp R correcnon ractor at barometric rressure Theoretical DO and Meter DO reading within + 0.5 mg/I, if not calibrate meter. Action Required: FIGURE 5 - EXAMPLE FIELD SAMPLING CALIBRATION FORM a c. E 0 U N E ar E U' CHAIN OF CUSTODY RECORD AND ANALYSIS REQUEST FORM Duke-.--- .--- .----- •-.- .- .- .- .- .- . -. -.- - - - -� ------------------- From SC I Huntersville, N. C. 28078 ORIGINAL to LAB, For Detailed Instructions, see: i ILogged By Date & Time SAMPLE PROGRAM ! COPY to CLIENT (704 875 -5245 http:Hdewww /essenv /coG ) 1 I Groundwater ! Fax: 704 875 -5038 I i I NPDES 1)Project Name 2)Phone No: 3)Client 4)Fax No: 5)Business Unit: 20036 6)Process: 7)Resp. To: 8)Project ID: 9)Activity ID: 10)Mail Code: i LAB USE ONLY i 72Chem Desktop t1Lab ID No. i I I 1 L 01 O y I IE I ly I I •� n I to C1. t1 m I I m a i la I to U O E i to H I I � ;U Pr to einn 8 data Vendor Drinking Water UST 1 j Cooler Temp C iPO # 15Preserv.:1 =HCL 2 =H2SO4 3 =HNO3 4 =Ice 5 =None N •MR # u u m c _ o �u£S�tngf?4 49tLlA1�SS s?.IA.�Pt2r. 21)Relinquished By Date /Time Accepted By Date /Time 10 v z2Requested Turnaround .y Relinquished By Date/Time Accepted By Date/Time ` iR 14 Days o v Relinquished By Date/Time Accepted By Date/Time E = ° '7 Days m m 23)Seal /Locked By DatelTime Sealed /Lock Opened By Date/Time o �2 3 ' 48 Hr N C 24)Comments M Other FTC-,[ 1 R F A a ' Add. Cost Will Apply LOCATION / SITE SITE CONTACT WEATHER NORTH CAROLINA GROUNDWATER SAMPLING SITE CHECKLIST DUKE ENERGY PROGRESS, INC. /ASHEVILLE STEAM ENERGY PLANT PERMIT #NC0000396 Asheville, NC / Asheville Steam Electric Plant Laurie Moorhead SAMPLE DATE FIELD CREW FIGURE 7 - NORTH CAROLINA GROUNDWATER SAMPLING CHECKLIST ACCESS TO ------------------ Tall grass or weeds c needs mowing zMM Fallen tree blocking access ------------------ ------------------ ------------------ WELL LOCK CONID-MON ------------------ Lock rusted, difficult to open- Replaced damaged lock ------------------ Casing-in good condition repair re --Darnagecl-casing ------------------ ------------------ ------------------ Casing in good condition ------------------ ------------------ Broken hinge OR protective l3d ------------------ Wasp nest inside protective casinci Ants inside protective Casing ------------------ ------------------ ------------------ Vault in good condition ------------------ ------------------ ------------------ WELL 10 TAGS ------------------ ------------------ ------------------ FIGURE 7 - NORTH CAROLINA GROUNDWATER SAMPLING CHECKLIST TABLES TABLE 1 MONITORING WELL INFORMATION DUKE ENERGY PROGRESS, INC. /ASHEVILLE STEAM ELECTRIC PLANT ARDEN, NORTH CAROLINA WELL ID DATE INSTALLED NORTHING EASTING USE TYPE OF CASING WELL DIAMETER (inches) TOP OF CASING ELEVATION (NGVD 29) WELL DEPTH * TOC WELL SCREEN INTERVAL* TOC SCREEN LENGTH (feet) CB -1 7/13/2010 643345.48 946546.01 Background PVC 2.0 2212.91 46.05 47.03 - 62.03 15 CB -2 7/14/2010 642685.16 945930.77 Compliance PVC 2.0 2170.50 21.77 15.28 - 30.28 15 CB -3R 10/8/2012 642444.28 945214.05 Compliance PVC 2.0 2138.97 30.96 28.60 - 38.60 10 CB -4 7/13/2010 642177.40 944539.22 Compliance PVC 2.0 2067.24 17.69 12.79 - 22.79 10 CB -4B 8/17/2010 642177.82 944537.29 Compliance PVC 2.0 2066.34 23.66 31.41 - 41.41 10 CB -5 7/12/2010 641932.33 944098.37 Background PVC 2.0 2040.49 3.57 4.55-9.55 5 CB -6 7/12/2010 643018.53 943602.51 Compliance PVC 2.0 2035.48 4.25 5.01 -10.01 5 CB -7 7/12/2010 643584.34 943192.08 Compliance PVC 2.0 2034.72 6.64 6.25-11.25 5 CB -8 8/17/2010 645101.56 943051.28 Compliance PVC 2.0 2145.19 46.92 50.29 - 60.29 10 CB -9 10/8/2012 645591.79 944233.05 Background PVC 2.0 2182.09 36.13 54.66 - 64.66 10 GW -1 8/6/2007 644238.84 946531.79 Compliance PVC 2.0 2181.16 20.94 16.61 - 26.61 10 Prepared By: HJF Checked By: KWW Notes: TOC - Top of Casing NGVD 29 - A vertical control datum in the United States by the general adjustment of 1929 * - Well depths and screen intervals are based upon field observations. P \Duke Energy Progress. 1 026\Asheville \NPDES Permit Assistance \GW Monitoring Report \TableslAshevi Ile Monitoring Plan Tables. xlsx TABLE 2 SAMPLE PARAMETERS, ANALYTICAL METHODS, CONTAINERS, PRESERVATIVES, AND HOLIDNG TIMES DUKE ENERGY PROGRESS, INC. /ASHEVILLE STEAM ELECTRIC PLANT ARDEN, NORTH CAROLINA PARAMETER UNITS CONTAINERS PRESERVATIVES HOLDING TIMES ANALYTICAL METHOD Field Parameters Field pH SU Flow-through Cell None Analyze Immediately YSI 556 Multi -Meter Specific Conductivity mmhos /cm Flow-through Cell None Analyze Immediately YSI 556 Multi -Meter Temperature °C Flow-through Cell None Analyze Immediatel YSI 556 Multi -Meter Water Level ft - Water Level Meter Laboratory Analysis Antimony µg /L 500 ml HDPE pH < 2 HNO3 6 months TRM / EPA 200.8 Arsenic Ftg /L 500 ml HDPE pH < 2 HNO3 6 months TRM / EPA 200.8 Barium mg /L 500 ml HDPE pH < 2 HNO3 6 months TRM / EPA 200.7 Boron mg /L 500 ml HDPE pH < 2 HNO3 6 months TRM / EPA 200.7 Cadmium µg /L 500 ml HDPE pH < 2 HNO3 6 months TRM / EPA 200 8 Chloride m /L 125 ml HDPE Cool 4° C 28 days EPA 300.0 Chromium (total) mg /L 500 ml HDPE pH < 2 HNO3 6 months TRIM / EPA 200.7 Copper mg /L 500 ml HDPE pH < 2 HNO3 6 months TRM / EPA 200.7 Iron mg /L 500 ml HDPE pH < 2 HNO3 6 months TRM / EPA 200.7 Lead ug /L 500 ml HDPE pH < 2 HNO3 6 months TRM / EPA 200.8 Manganese mg /L 500 ml HDPE pH < 2 HNO3 6 months TRM / EPA 2007 Mercury pg /L 500 ml HDPE pH < 2 HNO3 6 months EPA 245.1 Nickel mg /L 500 ml HDPE pH < 2 HNO3 6 months TRM / EPA 200.7 Nitrate as Nitrogen) m /L 125 ml HDPE Cool 4° C 28 days EPA 300.0 Selenium µg /L 500 ml HDPE pH < 2 HNO3 6 months TRM / EPA 200.8 Sulfate m /L 125 ml HDPE Cool 4° C 28 days EPA 300.0 Total Dissolved Solids m /L 250 ml HDPE Cool 4° C 28 days SM 2540C Thallium µg /L 500 ml HDPE pH < 2 HNO3 6 months TRM I EPA 200 8 Zinc mg /L 500 ml HDPE pH < 2 HNO3 6 months TRM / EPA 200.7 rreparea by 11,11- t neckea by Kvvvv Notes: SU - Standard Units mS /cm - micro siemen per centimeter ft - feet my - milli volts mg /L - milligrams per liter pg /L - micrograms per liter NTU - Nephelometric Turbidity Units TRM - Total Recoverable Metals EPA - Environmental Protection Agency SM - Standard Method P -\Duke Energy Progress 1026by- heville\NPOES Permit Asslstance\GW Monitoring RepoMTaNes Ashe ille Monitoring Plan Tables xlax APPENDIX A BORING LOGS AND MONITORING WELL CONSTRUCTION LOGS ' a z w N w O a PROJECT: Ash Pond Monitoring Wells WELL! BORING NO: CB -1 PROJECT NO 1026.01.01 STARTED: 7/13/10 COMPLETED: 7/13/10 DRILLING COMPANY: Probe Technology, Inc. NORTHING: 643345.48 EASTING: 946546.01 DRILLING METHOD: Hollow Stem Augers ELEVATION 2210.41 ft MSL M.P. ELEV: 2212.91 ft MSL BOREHOLE DIAMETER: 8.5" IN WATER: 44.07 ft TOC TOTAL DEPTH: 59.0 ft BGS NOTES: 2" PVC Pre - packed Screen and Casing LOGGED BY: John Chastain CHECKED BY: K. Webb a= v O w 0- O^ co 6 z O E WELL W" O j DESCRIPTION Q w° m a s CONSTRUCTION MH SILT, reddish brown Ax 5 — ... MH SILT, sandy, brown, micaceous with small rock fragments 10 - -- - -- - -- -- — - -- 15 20 Cement Grout 25- MH SILT, sandy, brown, micaceous with small rock fragments 30 35 SynTerra CLIENT: Progress Energy 148 River Street PROJECT LOCATION: Arden, NC Greenville, South Carolina 29601 1-9999 synTerra Fax: 864-4218-9919 PAGE 1 OF 2 PROJECT: Ash Pond Monitoring Wells PROJECT NO: 1026.01.01 DRILLING COMPANY: Probe Technology, Inc. DRILLING METHOD: Hollow Stem Augers BOREHOLE DIAMETER: 8.5" IN NOTES. 2" PVC Pre - packed Screen and Casing = U LL O � DESCRIPTION o � C7 MH SILT, sandy, brown, micaceous with small rock fragments (continued) EN 50 ] I I I j MH I SILT, sandy, grey, very micaceous, wet 55 — . - _ -- -- MH SILT, sandy, grey, medium rock fragments Very hard drilling 58.5 - 60.0 feet Nil 65 70 75 WELL / BORING NO: STARTED: 7/13/10 CB -1 COMPLETED: 7/13/10 NORTHING: 643345.48 EASTING: 946546.01 ELEVATION 2210.41 ft MSL M.P. ELEV: 2212.91 ft MSL WATER: 44.07 ft TOC TOTAL DEPTH 59.0 ft BGS LOGGED BY. John Chastain CHECKED BY: K. Webb a O p z o f WELL cU ° a as CONSTRUCTION ai �v mo v Bentonite Seal Silica Sand Filter PVC Slotted Screen 410 SynTerra CLIENT: Progress Energy 148 River Street Greenville, South Carolina 29601 PROJECT LOCATION: Arden, NC SynTerra Telephone 864- 421 -9999 Fax: 864-121 -9919 PAGE 2 OF 2 NONRESIDENTIAL WELL CONSTRUCTION RECORD North Carolina Department of Environment and Natural Resources- Division of Water Quality • °"�� WELL CONTRACTOR CERTIFICATION # 2725 -A 1. WELL CONTRACTOR: Mike Tynan Well Contractor (Individual) Name Probe Technology, Inc. Well Contractor Company Name 4537 Orphanage Rd Street Address Concord NC 28027 City or Town State Zip Code ( 704 ) 933 -5538 Area code Phone number d. TOP OF CASING IS 2 FT, Above Land Surface' 'Top of casing terminated at/or below land surface may require a variance in accordance with 15A NCAC 2C .0118. e. YIELD (gpm): N/A METHOD OF TEST- none-f. DISINFECTION: Type none Amount N/A g. WATER ZONES (depth): Top 44 Bottom 59 Top Bottom Top Bottom Top Bottom Top Bottom Top Bottom 2. WELL INFORMATION: : 7. CASING: Depth Diameter WELL CONSTRUCTION PERMIT# :Top +2 Bottom 44 Ft. 2" OTHER ASSOCIATED PERMIT#(if applicable) :Top Bottom Ft. SITE WELL ID #(if applicable) CB-1 ' Top Bottom Ft. 3. WELL USE (Check One Box) Monitoring LY Municipal /Public ❑ Industrial /Commercial ❑ Agricultural ❑ Recovery ❑ Injection ❑ Irrigation❑ Other ❑ (list use) DATE DRILLED 07-1 3 -10 4. WELL LOCATION: 200 CP &L Drive (Street Name, Numbers, Community, Subdivision, Lot No., Parcel, Zip Code) CITY: Arden _ COUNTY Buncombe TOPOGRAPHIC / LAND SETTING: (check appropriate box) []Slope ❑Valley []Fiat Ridge ❑Other LATITUDE 35 -27 576000 " DMS OR 3X.XXXXXXXXX DD LONGITUDE 82 • 32 200400 " DMS OR 7X.XXXXXXXXX DD Latitude /longitude source: W3PS []Topographic map (location of well must be shown on a USGS topic map andattached to this form if not using GPS) 5. FACILITY (Name of the business where the well is located.) Proaress Enernv Facility Name Facility ID# (If applicable) 200 CP&I Drive Street Address Arden NC 28704 City or Town State Zip Code John Toenfer Contact Name 410 Wilminaton Street PPB 4A Mailing Address Raleigh NC 27601 City or Town State Zip Code ( c) 12) —546 -7863 Area code Phone number 6. WELL DETAILS: a. TOTAL DEPTH: 59 ft _ b. DOES WELL REPLACE EXISTING WELL7 YES p NO D/ Thickness/ Weight Material Crhdn PWr' S. GROUT. Depth Material Method Top 0 Bottom 40 Ft. neat cement gravity Top 40 Bottom 42 Ft. bentonite gravity Top Bottom Ft. 9. SCREEN: Depth Diameter Slot Size Material Top 44 Bottom 59 Ft. 2" in. 0.010 In PVC Ixepadccd Too Bottom Fl. in. in Top Bottom Fl. in _ in. _ 10. SAND /GRAVEL PACK: Depth Size Material Top 42 Bottom 59 Ft. #2 silica sand Top Bottom Ft. Top Bottom Ft. 11. DRILLING LOG Top Bottom Formation Description 0 /5 5 / 10 1n / dF 45 ! bb 55 / 59 / I 12. REMARKS: Reddish brown s01 Brawn swxly s&. micar us Broom sandy silt. micamous wl small rock fmgmernts Grey sandy silt, micaceous Gray wady sel w1 mad. rock fragmonts 1 DO HEREBY CERTIFY THAT THIS WELL WAS CONSTRUCTED IN ACCORDANCE WITH 15A NCAC 2C, WELL CONSTRUCTION STANDARDS, AND THAT A COPY OF THIS Rp HAS EN PROVIDED TO THE WELL OWNER I e y n a n - - -- -. T 08/07/10 SIGNATURE OF CERTIFIED WELL CONTRACTOR DATE c. WATER LEVEL Below Top of Casing: AA_ ____FT' Mike Tynan (Use " +" if Above Top of Casing) PRINTED NAME OF PERSON CONSTRUCTING THE WELL Submit within 30 days of completion to: Division of Water Quality Information Processing, Form 109 Y P y - 9, Rev. 2109 1617 Mall Service Center, Raleigh, NC 27699 -161, Phone : (919) 807 -6300 PROJECT: Ash Pond Monitoring Wells PROJECT NO: 1026.01.01 DRILLING COMPANY: Probe Technology, Inc. DRILLING METHOD: Hollow Stem Augers BOREHOLE DIAMETER 8.5" IN NOTES: 2" PVC Pre - packed Screen and Casing 0. U N w J DESCRIPTION o � c� SILT. brown 5 10 W 25 al 30 n 35 MH I SILT, sandy, brown, micaceous (saprolite) MH I SILT, sandy, brown, micaceous with small rock fragments (saprolite) WELL / BORING NO: STARTED: 7/14/10 CB.2 COMPLETED: 7/14/10 NORTHING: 642685.16 EASTING: 945930.77 ELEVATION 2167.79 ft MSL M.P. ELEV: 2170.50 ft MSL WATER: 18.47 ft TOC TOTAL DEPTH. 28.0 ft BGS LOGGED BY. John Chastain CHECKED BY: K. Webb a O 3 z o f WELL Q m 0 a n CONSTRUCTION MH I SILT, sandy, light brown, micaceous, soft 20 - 25 feet MH SILT, sandy, grey, medium rock fragments, wet RK Bedrock; Auger refusal at 27.5 feet Cement Grout Bentonite Seal Silica Sand Filter Slotted Screen 417 S nTerra CLIENT: Progress Energy 148 River Street Greenville, South Carolina 29601 PROJECT LOCATION: Arden, NC synTerra Telephone: 864 -421 -9999 PAGE 1 OF 1 Fax: 864 -421 -9919 tai NONRESIDENTIAL WELL CONS RUCTION RECORD North Carolina Department of Environment and Natural Resources- Division of Water Quality `•,,,,• r WELL CONTRACTOR CERTIFICATION # 2725 -A ' 1. WELL CONTRACTOR: d. TOP OF CASING IS-2.3 — FT. Above Land Surface' Mike Tynan 'Top of casing terminated at/or below land surface may require Well Contractor (Individual) Name a variance in accordance with 15A NCAC 2C .0118. Probe Technology. Inc. : e. YIELD (gpm): N/A METHOD OF TEST none ' Well Contractor Company Name ; f. DISINFECTION: Type none Amount NIA 4537 Orphanage Rd Street Address g. WATER ZONES (depth). Concord NC 28027 :Top 16 Bottom 28 Top Bottom ' City or Town State Zip Code : Top Bottom Top Bottom ( 704 ) 933 -5538 Top Bottom Top Bottom Area code Phone number Thickness/ ' 2. WELL INFORMATION: : 7. CASING: Depth Diameter Weight Material WELL CONSTRUCTION PERMIT# : Top +2.3 Bottom 13 Ft. 2" Sch40 PVC OTHER ASSOCIATED PERMIT #(if applicable)_. :Top Bottom Ft. ' SITE WELL ID #( if a PP licable) CB-2 _ Top Bottom Ft. 3. WELL USE (Check One Box) Monitoring W Municipal /Public ❑ • 8. GROUT. Depth Material Method Industrial /Commercial ❑ Agricultural ❑ Recovery El Injection ❑ : Top 0 Bottom 9 Ft, neat cement gravity ___....__ : Top 9 Bottom 11 Ft. bentonite gravity ' Irrigation❑ Other CD (list use) _ DATE DRILLED 07 -14 -10 Top Bottom Ft. 4, WELL LOCATION: :9. SCREEN: Depth Diameter Slot Size Material ' 200 CP &L Drive : Topes Bottom 28 Ft. 2" in. 0.010 in. Pvc PrePacked _ (Street Name, Numbers, Community, Subdivision, Lot No., Parcel, Zip Code) : Top Bottom Ft. in, in. CITY: Arden COUNTY Buncombe : Top Bottom Ft. in. in. TOPOGRAPHIC / LAND SETTING: (check appropriate box) ❑Slope ❑Valley ❑Flat ]Ridge ❑ Depth : 10. SAND/GRAVEL PACK: Depth Size Material LATITUDE 35 °_' _" DMS OR 35.4643 DD : Top 11 Bottom 28 Ft. #2 silica sand LONGITUDE 82 ' DMS OR 82.5389 DO : Top Bottom Ft. ' Latitude /longitude source. (BPS []Topographic map ; Top Bottom Ft. (location of well must be shown on a USGS topo map andattached to this form if not using GPS) : 11. DRILLING LOG ' 5. FACILITY (Name of the business where the well is located.) Top Bottom Formation Description Prnnress Fneray 0 / 0.5' BrmmWn Facility Name Facility ID# (if applicable) 0.5 / 10' Brown s:uxly sill. rnicaceous 200 P8� Drive 10 I 15' Brown sandy all!, nic ceous w/ sman loac Uaprnertls ' Street Address 15 / 25' Lt. brown sandy sdl, Twaceous Arden NC 28704 25 / 28 Grey sandy sill w/ med. rock fragments City or Town State Zip Code / auger rerusal - - ' John TL)Pnf r Contact Name 410 Wilminatnn Street PFR 4A Mailing Address 1 __ Ral inh NC 27601 ' City or Town State Zip Code : 12. REMARKS: (9 12) 54-6-7863— Area code Phone number I DO HEREBY CERTIFY THAT THIS WELL WAS CONSTRUCTED IN ACCORDANCE WITH 17. WELL DETAILS: : 15A NCAC 2C, WELL CONSTRUCTION STANDARDS AND THAT A COPY OF THIS f a. TOTAL DEPTH: 2� 1 c R HAS PROVIDED 10 ��e na n mi — M'`°rynan, o =As6e, ou, Y .m,u -mryn� aar «n.«�,�=us 08/07/10 ' ^' b. DOES WELL REPLACE EXISTING WELL? YES ❑ NO Lv :SIGNATURE OF CERTIFIED WELL nCONTRACTOR DATE c. WATER LEVEL Below Top of Casing: 18.47 FT. : Tynan (Use " +" if Above Top of Casing) -UkS _ : PRINTED NAME OF PERSON CONSTRUCTING THE WELL ' Form GW -1 b Submit within 30 days of completion to: Division of Water Quality - Information Processing, Rev, 2/09 1617 Mail Service Center, Raleigh, NC 27699 -161, Phone :(919) 807 -6300 PROJECT: Ash Pond Monitoring Wells WELL / BORING NO CB -3R PROJECT NO: 1026.01.01 STARTED. 1018/12 COMPLETED. 10/8/12 NORTHING: 642444.28 EASTING: 845214.05 DRILLING COMPANY. Geologic Exploration DRILLING METHOD: DBT /Air Rotary ELEVATION 2135.83 ft MSL M.P. ELEV: 2138.97 ft MSL BOREHOLE DIAMETER: 4" IN WATER: 26.0 It TOG TOTAL DEPTH 35.0 ft BGS NOTES: Soil sampling with DPT to refusal LOGGED BY: K. Webb CHECKED BY: K. Webb _ 0-- U x 0 U W a DESCRIPTION O^ w rn 3 z m =O ❑ E E a WELL oO ? Q v I CONSTRUCTION C7 ,c I V ML SILT, dark to medium brown ML SILT, medium orange `:':' Cement Grout MH SILT/ SAPROLITE, medium brown, micaceous with 5— -- — slack manding and quartz lenses 10 SILT / SAPROLITE, medium brown, micaceous grading to Partially Weathered Rock MH Direct -Push refusal at 18 feet. 18' -35' Used 4" air hammer. 15 Bentonite Seal 20 25- Partially Weathered Rock RK Alternating harder and softer lenses Silica Sand Filter 30- -- - PVC Slotted Screen 35 - RK BEDROCK. Coarse - grained, weathered quartz -rich i 1 granite I SynTerra CLIENT: Progress Energy 148 River Street, Suite 220 PROJECT LOCATION: Arden, NC Greenville, SC 29601 1 9999 s)mTerra Faxi 864-4281-9919 PAGE 1 OF 1 64 -428 99191 'V', ww•.v ti.. r ' 3 NONRESIDENTIAL WELLCONSTRUC'FION RE('0RD I (`' North Carolina Department or6nviroumoot and Natural Resources- Division of Water Quality .....Y 3098 WELL CONTRACTOR CERTIFICATION # 1. WELL CONTRACTOR: JOHNNY BURR Well Contractor (Individual) Name GEOLOGIC EXPLORATION, INC Well Contractor Company Name 176 COMMERCE BLVD Street Address STATESVILLE NC 28625 City or Town State Zip Code 70( 4 ) 872 -7686 Area code Phone number 2. WELL INFORMATION: WELL CONSI RUCTION PERMIT# OTHER ASSOCIATED PERMIT-#([I app SITE WELL ID #(il applicable) CB -3R 3. WELL USE (Check One Box) Monitoring W Municipal /Public O Industrial /Commercial ❑ Agricultural ❑ Recovery ❑ Injection [) Irdgatlon❑ Other ❑ (list use) DATE DRILLED 10/08/12 4. WELL LOCATION: 200 CP &L DRIVE 28704 (Street Name, Numbers, Community, Subdivision. Lot No., Parcel, Zip Code) CITY: ARDEN _COUNTY BUNCOMBE ' TOPOGRAPHIC / LAND SETTING: (check appropriate box) [)Slope ❑Valley jdFlat []Ridge ❑Other LATITUDE 35 ° 27 ' 48.8900 " DMS OR DO LONGITUDE 82 ° 32 ' 35.0200 "DIMS OR DD Latitudellongitude source: (,BPS []Topographic map (location of well must be shown on a USGS topo map andetteched to this form If not using GPS) 5. FACILITY (Name of the business where the well is located.) PROGRESS ENERGY N/A :f. DISINFECTION: Type Facility Name Facility ID# (If applicable) 200 CP &L DRIVE 9.0 9.0 Street Address Bottom Top ARDEN INC 28704 City or Town State Zip Code PROGRESS ENERGY Top Bottom Contact Name 200 CP &L DRIVE 7. CASING: Depth Mailing Address Weight Material Top 0.0 ARDEN NC 28704 City u1 Town Stale Zip Code U Area code Phone number d. TOP OF CASING IS 2.5 FT. Above Land Surface' 'Top of casing terminated attor below land surface may require a variance in accordance with 15A NCAC 2C 0118. e. YIELD (gpin): NIA METHOD OF TEST N/A :f. DISINFECTION: Type N/A Amount NIA g. WATER ZONES (depth): 9.0 9.0 Top Bottom Top Bottom Top Bottom Top Bottum , Top Boliotn Top Bottom Thlcknessl 7. CASING: Depth Diameter Weight Material Top 0.0 Bolton 25.0 Ft. 2 INCH _SCH 40 PVC Top Bottom Ft.___ Top Bottom _ Ft. _ ' 8. GROUT: Depth Material Method Top 0,0 Bottom 9.0 Ft._P13"TLMDWW0WTE SLURRY ' Top Bottom Ft.____ Top Bottom 9. SCREEN: Depth Diameter Slot Size Material Top 25.0 Bottom 35.0 Ft. 2.0 _in. .010 in PVC Top___ Bottom Ft.__in. in Top__ Bottom Ft. in in 10. SANDIGRAVEL PACK: Depth Size Top 23.0 Bottom 35.0 Ft. 20-40 Top Bollom Ft. Top Bottom Ft. 11. DRILLING LOG Top Bottom 0.0 / 9.0 9.0 I 31.0 31.0 / 35.0 / Material FINE SILICA SAND Formation Description RED /BROWN CLAY BROWN PARTIAL WEATHER ROCK GRAY ROCK 12. REMARKS: BENICINIIIE-SEAL FROM 9.0 TO 230 FEET 6. WELL DETAILS: I DO HEREBY CERTIFY THAT THIS WELL WAS C 'rRUCIED IN ACCORDANCE WITH • 15A NCAC IC �I l CCWSTRUC ION ST , AND THAT A COPY OF THIS a. TOTAL DEPTH: 35.0 FEET : RECORo EE R0YIDE oTHE WEL b. DOES WELL REPLACE EXISTING WELL? YES ❑ NO G/ 10!16!12 SIG E OF V 11FIED WELL CONTRAC OR DATE c. WATER LEVEL Below Top of Casing: 20.0 FT. JDHNNY BURR (Use '+" if Above Top of Casing) : PRINTED NAME OF PERSON CONSTRUCTING THE WELL Form GW -1b Submit within 30 days of completion, to: Division of Water Quality - Information Processing, Rev. 2109 1617 Mail Service Center, Ralelgh', NC;;27699c161,=Phgne : (919) 807 -6300 PROJECT: Ash Pond Monitoring Wells PROJECT NO: 1026.01.01 DRILLING COMPANY: Probe Technology, Inc. DRILLING METHOD: Hollow Stem Augers BOREHOLE DIAMETER 8.5" IN NOTES: 2" PVC Pre - packed Screen and Casing = U 2 � w Z 0-0 N DESCRIPTION a O � 5 10 W 11011 25 30 35 MH I SILT, sandy, reddish brown, dry MH I SILT, sandy, brown with quartz veins (hard), dry WELL / BORING NO: STARTED: 7/13/10 CB-4 COMPLETED: 7/13/10 NORTHING: 642173.37 EASTING. 944539.22 ELEVATION 2064.77 ft MSL M.P. ELEV: 2067.24 ft MSL WATER: 17.82 ft TOC TOTAL DEPTH: 20.0 ft BGS LOGGED BY: John Chastain CHECKED BY: K. Webb Q- O ; 0 O z WELL 0 w = `J m0 CONSTRUCTION 1-71 w MH ISILT, sandy, light brown, micaceous with small rock fragments, dry MH I SILT, sandy, light brown, micaceous, damp to wet Hard zone at 17 feet Auger refusal at 20 feet Cement Grout Bentonite Seal Silica Sand Filter PVC Slotted Screen 417 148 CLIENT: Progress Energy 148 River Street Greenville, South Carolina 29601 PROJECT LOCATION: Arden, NC s)mTerra Fax:p864 -428 99191 9999 PAGE 1 OF 1 J. 1. WELL CONTRACTOR: Mike Tynan Well Contractor (Individual) Name Probe Technology. Inc. Well Contractor Company Name 4537 Orphanage Rd Street Address Concord NC 28027 City or Town State Zip Code NONRESIDENTIAL WELL CONSTRUCTION RECORD North Carolina Department of Environment and Natural Resources- Division of Water Quality WELL CONTRACTOR CERTIFICATION # 2725 -A 7( 04 ) 933 -5538 Area code Phone number 2. WELL INFORMATION: WELL CONSTRUCTION PERMIT# OTHER ASSOCIATED PERMIT #(If applicable) SITE WELL ID #(if applicable) CB -4 3. WELL USE (Check One Box) Monitoring N( Municipal /Public ❑ Industrial /Commercial ❑ Agricultural ❑ Recovery ❑ Injection O Irrigation❑ Other ❑ (list use) DATE DRILLED 07-13-10 4. WELL LOCATION: 200 CP &L Drive (Street Name. Numbers, Community, Subdivision, Lot No., Parcel, Zip Code) CITY: _Arden COUNTY Buncombe TOPOGRAPHIC I LAND SETTING: (check appropriate box) []Slope ❑Valley ❑Flat 16Rldge ❑Other LATITUDE 35 " DMS OR 35.4628 DD LONGITUDE 82 " DMS OR 82.5453 DO LatitudeAongitude source: 03PS OTopographic map (location of well must be shown on a USGS topo map andatfached to this form if not using GPS) 5. FACILITY (Name of the business where the well is located.) Proaress Enerav Facility Name Facility ID# (if applicable) 200 CP &I Drjye Street Address Arden NC 28704 City or Town State Zip Code John Toenfer Contact Name 410 Wilmington Street_ PEB 4A Mailing Address Raleigh NC 27601 City or Town State Zip Code (P12) 546 -7863 Area code Phone number 6. WELL DETAILS: a. TOTAL DEPTH: 20 ft b. DOES WELL REPLACE EXISTING WELL? YES ❑ NO It. TOP OF CASING IS ,2,7 FT. Above Land Surface' 'Top of casing terminated allor below land surface may require a variance in accordance with 15A NCAC 2C .0118. e. YIELD (gpm). N/A METHOD OF TEST none__ f. DISINFECTION: Type none Amount N/A g. WATER ZONES (depth)- Top 15 Bottomm Top Bottom Top Bottom Top Bottom Top Bottom Top Bottom Thickness/ 7. CASING: Depth Diameter Weight Material Top +2.7 Bottom 10 Ft. 2" Sch40 PVC Top Bottom Ft. _ Top Bottom Ft. 8. GROUT: Depth Material Method Top 0 Bottom 6 Ft neat cement gravity Top 6 Bottom 8 Ft. bentonite ravi Top Bottom Ft. 9. SCREEN: Depth Diameter Slot Size Material Top 10 Bottom 20 Ft. 2" in. 0.010 in Pvc Pnepadned Top Bottom FL in. in, Top Bottom Ft. in. in. 10. SAND /GRAVEL PACK: Depth Size Material Top _Bottom 20 Ft. #2 silica sand _ Top Bottom Ft. _ Top Bottom Ft. 11. DRILLING LOG Top Bottom Formation Description 0 / 6' Reddish brain sandy sift 6 / 8' -_ Bn sandy still w/ yuwU voins (hard) 8 / 15' Brown sandy 3d1. mra us w/ small twin fmgm Ls -- 15 / 20' Lt. brown sandy sift, micaceous, auger mhrsal 1 _ 1 12. REMARKS: I DO HEREBY CERTIFY THAT THIS WELL WAS CONSTRUCTED IN ACCORDANCE WITH 15A NCAC 2C, WELL CONSTRUCTION STANDARDS, AND THAT A COPY OF THIS RECORD HAS BEEN PROVIDED TO J,14ti� n 1V�NER, Mike Tynan �.,, °T. 08/07/10 DIN wM�e rYlr. wM,M.M w!- wMr,rpral. p.r'1 °IOW 11 I I •n1 Mi SIGNATURE OF CERTIFIED WELL CONTRACTOR DATE c. WATER LEVEL Below Top of Casing -, 7_$ FT. : -Mike Tynan (Use " +" if Above Top of Casing) : PRINTED NAME OF PERSON CONSTRUCTING THE WELL Submit within 30 days of completion to: Division of Water Quality Information Processing, Form /09 y p Y ' 91 Rev. 2109 1617 Mail Service Center, Raleigh, NC 27699 -161, Phone : (919) 807 -6300 PROJECT: Ash Pond Monitoring Wells WELL/ BORING NO: CB-4B PROJECT NO: 1026.01.01 STARTED: 8/17110 COMPLETED: 8/17/10 DRILLING COMPANY: Geologic Exploration NORTHING: 642177.82 EASTING: 944537.29 DRILLING METHOD: Air Rotary ELEVATION 2064.04 It MSL M.P. ELEV: 2066 -34 ft MSL BOREHOLE DIAMETER: 4" IN WATER: 23.18 ft TOC TOTAL DEPTH: 39.0 ft BGS NOTES: 2" PVC Pre - packed Screen and Casing LOGGED BY: John Chastain CHECKED BY: K, Webb 0- _ D E WELL w " o O = DESCRIPTION Q 0 a _j m =O CONSTRUCTION CC U 5 CLAY, silty, brown - orange 5 7/8" Roller Cone 10 CL 4" PVC Conductor Casing Hard drilling at 17 feet Refusal at 20 feet 15 20 - -- Cement Grout 25 Partially Weathered Rock, Gray RK 4" Air rotary Bentonite Seal Fractures at 28 and 31 feet 30 Silica Sand Filter PVC Slotted Screen 35 RK Bedrock, Gray 4" Air rotary SynTerra CLIENT: Progress Energy 148 River Street, Suite 220 Greenville, South Carolina 29601 PROJECT LOCATION: Arden, INC 9999 s�mTerrGl Fax P864- -428 99091 PAGE 1 OF 1 t� 3 NON RESIDENTIAL. WELL CONSTRUCTION RECORD North Carolina Department of Environment and Natural Resources- Division of Water Quality da"�? WELL CONTRACTOR CERTIFICATION # 3098 1. WELL CONTRACTOR: JOHNNY BURR Well Contractor (Individual) Name GEOLOGIC EXPLORATION, INC. Well Contractor Company Name STREET ADDRESS 176 CONIMERCE BLVD STATESVILLE NC 26625 City or Town State Zip Code 70( 4 )- 872 -7686 Area code- Phone number 2. WELL INFORMATION: SITE WELL ID #(it applicable) CB -48 STATE WELL PERMIT#(if applicable) DWQ or OTHER PERMIT #(if applicable) WELL USE (Check Applicable Box) Monitoring 91 MunicipaVPublic ❑ Industrial /Commercial ❑ Agricultural ❑ Recovery ❑ Injection ❑ Irrigation[] Other ❑ (list use) DATE DRILLED 08/16/10-08117/10 TIME COMPLETED AM p PM ❑ 3. WELL LOCATION: CITY: ARDEN COUNTY BUNCOMBE 200 CP &L DRIVE 28704 (Street Name, Numbers, Community, Subdivision, Lot No., Parcel, Ztp Code) TOPOGRAPHIC if LAND SETTING: ❑ Slope ❑ Valley []Flat ❑ Ridge Cl Other (check appropriate box) LATITUDE May be in degrees, minutes, seconds or LONGITUDE in a decimal format Latitude/longitude source: ❑GPS ❑Topographic map {,location of we#must be shown on a USGS topo map and attached to this form if not using GPS) 4. FACILITY. is the name of the business where the well is located, FACILITY ID #(if applicable) NAME OF FACILITY PROGRESS ENERGY STREET ADDRESS 200 CP &L DRIVE ARDEN NC 28704 City or Town State Zip Code CONTACT PERSON PROGRESS ENERGY MAILING ADDRESS 200 CP &L DRIVE ARDEN NC 28704 City or Town State Zip Code Area code - Phone number 5. WELL DETAILS: a. TOTAL DEPTH: 39.0 FEET b. DOES WELL REPLACE EXISTING WELL? YES ❑ NO EI c. WATER LEVEL Below Top of Casing 18.0 FT (Use' +' if Above Top of Casing) d. TOP OF CASING IS 3 0 FT. Above Land Surface` "Top of casing terminated atlor below land surface may require a variance in accordance with 15A NCAC 2C .0118. e. YIELD (gpm): N/A METHOD OF TEST N/A f. DISINFECTION: Type N/A Amount N/A g. WATER ZONES (depth): From To From To From To From To From To From To 6. CASING: Thickness/ Depth 29 0 2NN� SPA 4 Material From 0.0 To Ft. From 0.0 Ta 20.0 Fl. 4 INCH SCH 40 PVC From To FI. 7. GROUT: Depth Material Method From 0.0 TO 25.0 Fl Portland bentonits SLURRY From 0.0 Tom- FL Portland bentonite SLURRY From To Ft. _ 8. SCREEN: Depth Diameter Slot Size Material From 29.0 To 39.0 Fl. 2.0 in. .010 in. PVC From To Ft. in. in. From To Ft. in. in. 9. SAND /GRAVEL PACK: Depth Size Material From 27.0 To 39.0 Ft, 20 -40 FINE SILICA SAND From To Ft. From To Ft. 10. DRILLING LOG From To Formation Description 0.0 20.0 BROWN /ORANGE SILTY CLAY 20.0 31.0 GRAY PARTIALLY WEATHERED ROCK 31.0 39.0 GRAY HARD ROCK 11. REMARKS: BENTONITE SEAL FROM 25.0 TO 27.0 FT I DO HERE CERTIFY THAT Tr11S WELL WA STRUCTED IN ACCORDANCE WFH 15A NCAC W L CONS CTION STAN S. AND THAT A COW OF THIS RECORD TO T}IE L 08125!10 S! TURE OF ERT IFIED WELL CONTRACTOR DATE JOIa4NY BURR PRINTED NAME OF PERSON CONSTRUCTING THE WELL ' Submit the original to the Division of Water Quality within 30 days. Attn: Information Mgt., FIxmGW -1b 1617 Mail Service Center- Raleigh, INC 27699 -1617 Phone No. (919) 733 -7015 ext 568. Rev. 7/05 a c� r c� LU w z w w CrN w 0 0 W W a PROJECT: Ash Pond Monitoring Wells WELL / BORING NO: CB-5 PROJECT NO: 1026.01.01 STARTED: 7/12/10 COMPLETED: 7/12/10 _ DRILLING COMPANY: Probe Technology, Inc. NORTHING: 641932.33 EASTING: 944098.37 DRILLING METHOD: Hand Auger ELEVATION 2037.86 ft MSL M -P. ELEV: 2040.49 ft MSL BOREHOLE DIAMETER: 4" IN WATER: 4.14 ft TOC TOTAL DEPTH: 7.0 ft BGS NOTES: 2" PVC Pre - packed Screen and Casing LOGGED BY: John Chastain CHECKED BY: K. Webb U_ =t� W a o-- U) 3z o E °a WELL w O ? DESCRIPTION Q W° m a CONSTRUCTION Or anic Matter ement rou — ._. _ Bentonite Seal CL CLAY, dark brown with medium sand, very wet Silica Sand Filter SAND, clayey, brown, wet 5 PVC Slotted Screen SM SAND, medium, light brown K Hand auger refusal at 7 feet 10 15- 20 25 30 35– SynTerra CLIENT: Progress Energy 148 River Street PROJECT LOCATION; Arden, NC Greenville, South Carolina 29601 -9999 synTeri`a Fax: 864 -428 99191 PAGE 1 OF 1 NON 1\ESIDENTIAL WELL CONSTRUCTION RECORD North Carolina Department of Environment and Natural Rcsourccs- Division of Watcr Quality WELL CONTRACTOR CERTIFICATION # 2725 -A 1. WELL CONTRACTOR: Mike Tynan Well Contractor (Individual) Name Probe Technology Inc Well Contractor Company Name 4537 Orohanage Rd Street Address Concord NC 28027 City or Town State Zip Code ( 704 ) 933 -5538 Area code Phone number 2. WELL INFORMATION: WELL CONSTRUCTION PERMIT# OTHER ASSOCIATED PERMIT #(it applicable) SITE WELL ID #(if applicablel Ci6-5 3. WELL USE (Check One Box) Monitoring W Municipal /Public ❑ Industrial /Commercial ❑ Agricultural ❑ Recovery ❑ Injection ❑ Irrigation❑ Other ❑ (list use) _ DATE DRILLED 07 -12-10 4. WELL LOCATION: 2001 Drive (Street Name, Numbers, Community, Subdivision, Lot No., Parcel, Zip Code) CITY: Arden COUNTY Buncombe TOPOGRAPHIC / LAND SETTING: (check appropriate box) ❑Slope ❑Valley L]Flal - jRidge ❑Other LATITUDE 35 " DMS OR 35.4651 DD LONGITUDE 82 " DMS OR 82.5486 DD Latitude /longitude source: V3PS ETopographic map (location of well must be shown on a USGS topo map andattached to this form if riot using Gii 5. FACILITY (Name of the business where the well is located.) Pronri Fnerav Facility Name Facility ID# (if applicable) 200 C.P&L Di Street Address Arden NC 28704 City or Town State Zip Code John ToPnfPr Contact Name 410 Mminaton Street PEB 4A Mailing Address Raleigh NC 27601 City or Town Slate Zip Code ( 919 ) 546 -7863 - -- Area code Phone number d. TOP OF CASING ISM- FT. Above Land Surface' 'Top of casing terminated at /or below land surface may require a variance in accordance with 15A NCAC 2C .0118. e. YIELD (gpm): N/A OF TEST none f. DISINFECTION: Type nnn • Amount NSA g. WATER ZONES (depth): Topes_ Bottom 7 Top Bottom Top Bottom Top Bottom Top Bottom Top Bottom Thickness/ 17. CASING: Depth Diameter Weight Material Top +2.3 Bottom 2 Ft. 2" Sch40 PVC Top Bottom Ft. Top Bottom Ft. Y_ 8. GROUT: Depth Material Method Top 0 Bottom 0.5' Ft. concrete gravity v _ : Top 0.5' Bottom 1.5' Ft. bentonite gravity _ Top Bottom Ft. - _- 9. SCREEN: Depth Diameter Slot Size Material Top 2 Bottom 7 Ft. 2" in. 0.010 in. PVC prupacked Top Bottom Ft._in. In. Top Bottom Ft. in. in. 10. SAND /GRAVEL PACK: Depth Size Material - Top 1.5 Bottom 7 FL #2 silica sand Top Bottom Ft.___ Top Bottom Fl. 11. DRILLING LOG Top Bottom Formation Description 0 / 0.5' 0.5' 1 3.5' 3.5 / 4' 4 / 7' 7 / Organic matter Dk brown w/ ined. sand very wet Brown clayey sand, wet _ Lt. brown mrxl sand Hand auuer retusal 12. REMARKS: - Hand augered -well (wetfands) - 6. WELL DETAILS: I DO HEREBY CERTIFY THAT THIS WELL WAS CONSTRUCTED IN ACCORDANCE WITH 15A NCAC 2C. WELL CONSTRUCTION STANDARDS, AND THAT A COPY OF THIS a. TOTAL DEPTH 7 ft : RECOH HAS HEEN PROVIDED TOc4*V4 6,QI 1 ii -- : Mi�CI Tynan �.°�,��. °n�l.e, -. rw�J =melwrn�V,ubs W�♦.n,a U{ b. DOES WELL REPLACE EXISTING WELL? YES U NO CJ( n• •.,,,LL , ,.^ «A 08/07/10 _ SIGNATURE OF CERTIFIED WELL CONTRAC OR DATE c. WATER LEVEL Below Top of Casing: 4.14___ FT, Mlkt= Tynan (Use " +" if Above Top of Casing) : PRINTED NAME OF PERSON CONSTRUCTING THE WELL Form GW -1b Submit within 30 days of completion to: Division of Water Quality - Information Processing, Rev. 2/09 1617 Mail Service Center, Raleigh, NC 27699 -161, Phone :(919) 807 -6300 PROJECT: Ash Pond Monitoring Wells PROJECT NO: 1026.01.01 DRILLING COMPANY: Probe Technology, Inc. DRILLING METHOD: Hand Auger BOREHOLE DIAMETER: 4" IN NOTES: 2" PVC Pre - packed Screen and Casing x U 2: V) F- U) DESCRIPTION o D MH SILT, sandy, brown SM I SAND, silty, dark brown, wet 5 Hand auger refusal at 6.5 feet 10 15 20 25 30 35 WELL / BORING NO: STARTED: 7/12110 CB_6 COMPLETED: 7/12110 NORTHING: 643018.53 EASTING: 943602.51 ELEVATION 2032.46 It MSL M.P. ELEV: 2035.48 ft MSL WATER: 4.37 ft TOC TOTAL DEPTH 6.5 ft BGS LOGGED BY: John Chastain CHECKED BY: K. Webb a 0— 1:0 O G E WELL LU m =O a as CONSTRUCTION F71 Bentonite Seal fo Silica Sand Filter PVC Slotted Screen 00 148 CLIENT: Progress Energy 148 River Street Greenville, South Carolina 29601 PROJECT LOCATION: Arden, NC synTerla Faxep864- 428699491 9999 PAGE 1 OF 1 J�� 1 r ONRESIDENTIAL WELL CONSTRUCTION RECORD North Carolina Department of E nvironment and Natural Resources Division of Water Quality .,. n.,,,,�,,..•,��` WELL CONTRACTOR CERTIFICATION # 2725 A 1. WELL CONTRACTOR: Mike Tynan Well Contractor (Individual) Name Probe Technology Inc. Well Contractor Company Name 4537 Orphanage Rd Street Address Concord NC 28027 City or Town State Zip Code ( 704 ) 933 -5538 Area code Phone number 2. WELL INFORMATION: WELL CONSTRUCTION PERMIT# OTHER ASSOCIATED PERMIT #(ifappticable)._ SITE WELL ID #(if applicable) CB -6 3. WELL USE (Check One Box) Monitoring L1i Municipal /Public ❑ Industrial /Commercial ❑ Agricultural ❑ Recovery ❑ Injection ❑ Irrigation❑ Other ❑ (list use) DATE DRILLED 07-12 -10 4. WELL LOCATION: 200 CP &L Drive _ (Street Name, Numbers, Community, Subdivision, Lot No., Parcel, Zip Code) CITY: _Arden _ couNTY Buncombe _ TOPOGRAPHIC / LAND SETTING. (check appropriate box) []Slope pValley ❑Flat ZRidge ❑Other LATITUDE 35 1 " DMS OR 35.4623 DD LONGITUDE 82 " DMS OR 82.5467 DD Latitude /longitude source: (3PS Elropographic map (location of well must be shown on a USGS topo map andattached to this form if not using GPS) 5. FACILITY (Name of the business where the well is located.) Prnnress Fnerav - Facility Name Facility ID# (if applicable) 200 CP&L Drive Street Address Arden NC 28704 City or Town State Zip Code John Toenfer Contact Name 410 Wilminatpn Street- PFB 4A Mailing Address Raleiah Nom_ 27601 City or Town State Zip Code ( 919 ) _ 546 -7863 _ Area code Phone number 6. WELL DETAILS: a. TOTAL DEPTH: (3 ft b. DOES WELL REPLACE EXISTING WELL? YES ❑ NO LV, d. TOP OF CASING IS ..2 _ FT. Above Land Surface` 'Top of casing terminated at/or below land surface may require a variance in accordance with 15A NCAC 2C .0118. : e. YIELD (gpm): N/A METHOD OF TEST none f. DISINFECTION: Type none Amount N/A g. WATER ZONES (depth): Top 1,5 Bottom 6.5 Top Bottom Top Bottom Top Bottom Top Bottom Top Bottom Thickness) 7. CASING: Depth Diameter Weight Material Top +3.2 Bottom 1.5 Ft. 2_ Sch40 PVC Top Bottom Ft._ Top Bottom Ft. _ 8. GROUT: Depth Material Method Top 0 Bottom 0.5 Ft. concrete gravity Top 0.5 Bottom 1.5' Ft, bentonite r9 avity Top Bottom Ft. :9. SCREEN: Depth Diameter Slot Size Material Top 1.5 Bottom 6.5 Ft. 2" in. 0.010 in. _PVC tx__ Top Bottom Ft. in. in. Top Bottom Ft. in. in. _. 10. SAND /GRAVEL PACK: Depth Size Material :Top 1.5 Bottom 6.5 Ft. #2 silica sand Top Bottom Ft. Top _ Bottom _ Ft. 11. DRILLING LOG Top Bottom 0 / 2' 2 / 6.5' Formation Description Brown sandy slll Dk. brown ally almd, wet, hand augur refusal 12. REMARKS: 1 land acered-welF(w —. I DO HEREBY CERTIFY THAT THIS WELL WAS CONSTRUCTED IN ACCORDANCE WITH 15A NCAC 2C. WELL CONSTRUCTION STANDARDS. AND THAT A COPY OF THIS RECORD HAS BEEN PROVIDED Tq rAF W4L�gWNER Mike Tynan _ �. °, /gypo �•. n�u� ninu�ab 00/07/10 SIGNATURE OF CERTIFIED WELL CONTRACTOR DATE c. WATER LEVEL Below Top of Casing A,37 FT :Mike Tynan (Use " +" if Above Top of Casing) : PRINTED NAME OF PERSON CONSTRUCTING THE WELL Form GW -Ib Submit within 30 days of completion to: Division of Water Quality - Information Processing, Rev. 2109 1617 Mall Service Center, Raleigh, NC 27699 -161, Phone : (919) 807 -6300 PROJECT: Ash Pond MonRoring Wells PROJECT NO 1026.01.01 DRILLING COMPANY: Probe Technology, Inc. DRILLING METHOD: Hollow Stem Augers BOREHOLE DIAMETER: 8.5 IN NOTES: 2" PVC Pre - packed Screen and Casing U _ = N w(L O cii DESCRIPTION ❑ _ a MH I SILT, sandy, light brown SM I SAND, silty, light brown, moist 5- SM SAND, silty, dark brown, wet SM SAND, silty, dark brown, wet RK I Auger refusal at 9 feet 10 15 20 0�1 I30 jl 35— WELL / BORING NO: CB-7 STARTED: 7/12110 COMPLETED: 7/12/10 NORTHING: 643584.34 EASTING: 943192.08 ELEVATION 2032.00 ft MSL M.P. ELEV: 2034.72 ft MSL WATER: 8.42 ft TOC TOTAL DEPTH. 9.0 ft BGS LOGGED BY. John Chastain CHECKED BY: K. Webb a O z ❑_ E WELL gQ W ` m O n. a CONSTRUCTION U) U Cement Grout CBentoniteSeal Silica Sand FiNer PVC Slotted Screen 5 Y Z L n n L Y T 1 3 SynTerra CLIENT: Progress Energy z 148 River Street PROJECT LOCATION: Arden, NC .0 Greenville, South Carolina 29601 c Telephone: 864 -421 -9999 J syn errs Fax: 864 -421 -9919 PAGE 1 OF 1 �.• ter., NONRESIDENTIAL WELL CONSTRUCTION RECORD North Carolina Department of Environment and Natural Resources- Division of Water Quality WELL CONTRACTOR CERTIFICATION # 2725 -A 1. WELL CONTRACTOR: Mike Tynan Well Contractor (Individual) Name Probe Technology Inc Well Contractor Company Name 4537 Orphanaae Rd Street Address Concord NC 28027 City or Town State Zip Code ( 704 ) 933 -5538 Area code Phone number 2. WELL INFORMATION: WELL CONSTRUCTION PERMIT# OTHER ASSOCIATED PERMIT #(if applicable) SITE WELL ID #(if applicable) CB =7____ 3. WELL USE (Check One Box) Monitoring tY Municipal /Public ❑ Industrial /Commercial U Agricultural ❑ Recovery ❑ Injection U Irrigation❑ Other ❑ (list use) _ DATE DRILLED 07 -12-10 4. WELL LOCATION: 200 CP &L Drive (Street Name, Numbers, Community, Subdivision, Lot No., Parcel, Zip Code) CITY: Arden _ COUNTY BUnCOmbe TOPOGRAPHIC / LAND SETTING. (check appropriate box) ❑Slope ❑Valley &(Flat []Ridge ❑Other LATITUDE 35 ^ DMS OR 35.4664 DO LONGITUDE 82 '_ " DMS OR 82,5498 DO Latitudellongitude source. V3PS Qropographic map (location of well must be shown on a USGS topo map andattached to this form if not using GPS) 5. FACILITY (Name of the business where the well Is located.) Proar ss Fnernv Facility Name Facility ID# (if applicable) ?00 CP$I DrIVe Street Address Arden N 26704 City or Town State Zip Code John ToeDfer Contact Name 410 Wilminotan Street- PER 4A Mailing Address Raleinh NC 27601 City or Town State Zip Code d. TOP OF CASING IS 24 FT. Above Land Surface' 'Top of casing terminated at /or below land surface may require a variance in accordance with 15A NCAC 2C .0118 e. YIELD (gpm): NIA METHOD OF TEST_nO le f. DISINFECTION: Type 171017112 Amount NIA g, WATER ZONES (depth): Topes Bottom_ Top Bottom Top Bottom Top_ Bottom Top Bottom Top Bottom Thickness/ 7. CASING: Depth Diameter Weight Material Top +2.4 Bottom 4 Fl. 2 "_ Sch40 PVC Top Bottom Ft. : Top Bottom Ft. 8. GROUT: Depth Material Method Top 0 Bottom 1 Ft, concrete r9 avity Top 1 Bottom 3 Ft. bentonite ravity Top Bottom Ft. 9. SCREEN: Depth Diameter Slot Size Material Top 4 Bottom 9 Ft. 2" in. 0.010 in. Pvcvropacked Top Bottom Ft. in. in. Top Bottom Ft. in. in. 10. SAND /GRAVEL PACK: Depth Size Material Top 3 Bottom 9 Ft. #2 - silica sand Top _Bottom Ft. Top Bottom Ft. 11. DRILLING LOG Top Bottom Formation Description 0 / 3' 3 / 5' 5 17' At / 12. REMARKS LL brown sandy ell -- Lt. brown silty sand, moisl Dk. brown silty sand. wet Dk brown sty sand, wul. augry refusal — ( 919 ) 546.7.86.3 - -- ' Area code Phone number — - • I DO HEREBY CERTIFY THAT THIS WELL WAS CONSTRUCTED IN ACCORDANCE WITH 6. WELL DETAILS: : 15A NCAC 2C, WELL CONSTRUCTION STANDARDS, AND THAT A COPY OF THIS RECORD HAS BEEN PROVIDED T%4UFM6Q"ER a. TOTAL DEPTH: Mike Tynan =r"=• 7J10 b. DOES WELL REPLACE EXISTING WELL? YES U NO : SIGNATURE OF CERTIFIED WELL CONTRACTOR DATE c. WATER LEVEL Below Top of Casing: 8.42 FT ; _Mik�T�lnan (Jse " +" if Above Top of Casing) : PRINTED NAME OF PERSON CONSTRUCTING THE WELL ' Form GW -1b Submit within 30 days of completion to: Division of Water Quality - Information Processing, Rev. 2109 1617 Mall Service Center, Raleigh, NC 27699 -161, Phone : (919) 807.6300 0 c } i c C i i c c PROJECT: Ash Pond Monitoring Wells WELL / BORING NO: CB-8 PROJECT NO: 1026.01.01 STARTED. 8/17/10 COMPLETED: 8117110 DRILLING COMPANY: Geologic Exploration NORTHING: 645101.56 EASTING: 943051.28 DRILLING METHOD: HSA/Air Rotary ELEVATION 2142.49 It MSL M.P. ELEV: 2145.19 ft MSL BOREHOLE DIAMETER 4" IN WATER: 45.0 ft TOC TOTAL DEPTH: 57.0 It BGS NOTES: 2" PVC Pre - packed Screen and Casing LOGGED BY John Chastain CHECKED BY: K. Webb U = c9 N W a O^ to 0 z o f WELL O j DESCRIPTION Q w" m 0 a a° CONSTRUCTION F71 r5- CL CLAY, red /orange 10— 15 SILT, sandy, brownitan, micaceous 0 - 34 feet 8.5" OD Hollow Stem Auger MH Cement Grout 20 Auger refusal at 34 feet { y •'.V 25 30 35 Partially Weathered Rock, brown /gray RK i 4" Air rotary CLIENT: Progress Energy SynTerra 148 River Street, Suite 220 PROJECT LOCATION: Arden, NC Greenville, sc 29601 synTerra Telephone: 864- 421 -9999 PAGE 1 OF 2 1 F c i t y i PROJECT: Ash Pond Monitoring Wells WELL / BORING NO: CB-8 PROJECT NO 1026.01.01 STARTED: 8/17/10 COMPLETED: 8/17/10 DRILLING COMPANY: Geologic Exploration NORTHING: 645101.56 FASTING: 943051.28 DRILLING METHOD: HSA/Air Rotary ELEVATION 2142.49 ft MSL M.P. ELEV: 2145.19 ft MSL BOREHOLE DIAMETER: 4" IN WATER: 45.0 ft TOC TOTAL DEPTH 57.0 ft BGS NOTES: 2" PVC Pre - packed Screen and Casing LOGGED BY: John Chastain CHECKED BY: K. Webb U _ 4 V) DESCRIPTION w a 2 O ^ =O o E a WELL uj w° m s CONSTRUCTION � U RK Competent bedrock at 40'. Bentonite Seal 45 Bedrock, gray, hard RK Moist at 50 - 52 feet 50 4" Air rotary — Silica Sand Filter – PVC Slotted Screen 55 60 65 70-- 75 i i i CLIENT: Progress Energy SynTerra 148 River Street, Suite 220 PROJECT LOCATION: Arden, NC Greenville, sc 29601 synTerra Telephone: 864 - 421 -9999 PAGE 2 OF 2 Sr�rT. r NONRESIDENTIAL WELL CONSTRUCTION RECORD North Carolina Department of Environment and Natural Resources- Division of Water Quality WELL CONTRACTOR CERTIFICATION #1 3098 1. WELL CONTRACTOR: JOHNNY BURR Well Contractor (Individual) Name GEOLOGIC EXPLORATION, INC. Well Contractor Company Name STREET ADDRESS 176 COMMERCE BLVD STATESVILLE NC 28625 City or Town State Zip Code 70( 4 )- 872 -7686 Area code- Phone number 2. WELL INFORMATION: SITE WELL ID #(if applicable) CB -8 STATE WELL PERMIT #(if applicable) DWQ or OTHER PERMIT *(if applicable) WELL USE (Check Applicable Box) Monitoring ® Municipal /Public ❑ Ind ustrial/Commerciai ❑ Agricultural ❑ Recovery ❑ Injection ❑ Irrigation❑ Other ❑ (list use) DATE DRILLED 08/17/10 TIME COMPLETED AM ❑ PM ❑ 3. WELL LOCATION: CITY: ARDEN COUNTY BUNCOMBE 200 CP &L DRIVE 28704 (Street Name, Numbers, Community, Subdivision, Lot No., Parcel, Zip Code) TOPOGRAPHIC / LAND SETTING: ❑Slope ❑Valley ❑Flat ❑Ridge ❑ Other (check appropriate box) LATITUDE May be in degrees, minutes, seconds or LONGITUDE in a decimal format Latitude /longitude source: ❑GPS ❑Topographic map (location of we# must be shown on a USGS topo map and attached to this form if not using GPS) 4. FACILITY- Is the name of the business where the well Is located. FACILITY ID #(if applicable) NAME OF FACILITY PROGRESS ENERGY STREET ADDRESS 2DO CP &L DRIVE ARDEN NC 28704 City or Town Stale Zip Code CONTACT PERSON PROGRESS ENERGY MAILING ADDRESS 200 CP &L DRIVE ARDEN NC 28704 City or Town State Zip Code Area code - Phone number S. WELL DETAILS: a. TOTAL DEPTH: 57.0 FEET b. DOES WELL REPLACE EXISTING WELL? YES ❑ NO E c. WATER LEVEL Below Top of Casing: 18.0 FT. (Use' +" if Above Top of Casing) d. TOP OF CASING IS 3.0 FT. Above Land Surface" 'Top of casing terminated atior below land surface may require a variance in accordance With 15A NCAC 2C .0118. e. YIELD (gpm): N/A METHOD OF TEST N/A f. DISINFECTION: Type N/A Amount N/A g. WATER ZONES (depth): From To From To From To From To From To From To 6. CASING: TWhi�ckness/ Depth aarrL��ee�� 5Cr ao Material From 0.0 47.0 Ft. 2DIINC Hef From To Ft. From To Ft. 7. GROUT: Depth Material Method From 0.0 To 39.5 Ft Portland benlonite SLURRY From To Ft. Fran To Ft. 8. SCREEN: Depth Diameter Slot Size Material From 47.0 To 57.0 Ft. 2.0 in. .010 in. PVC From To Ft. in. in. Fran To Ft. In. in. 9. SANDIGRAVEL PACK: Depth Size Material From 43.5 To 57.0 Ft, 20-40 FINE SILICA SAND From To Ft. From To Ft. 10. DRILLING LOG From To Formation Description 0.0 3.0 RED /ORANGE CLAY 3.0 340 BROWNIfAN SILT 34.0 40.0 BROWN /GRAY PARTIAL WEATHER ROCK 40.0 57.0 GRAY HARD ROCK 11. REMARKS: BENTONITE SEAL FROM 39.5 TO 43.5 FT 1 DO HEREBY CERTIFY THAT THIS WELL WAS C99STRUCTED IN ACCORDANCE WITH 15A NCAC Z FLL pNSTRUC ON STAND AIM. AND THAT A COPY OF THIS RECORD H .E P O THE EFjAj q w (�(��(/ 08/25/10 SIGN RE OF CLIATIFIED WELL CONTRACTOR DATE JOHNNY BURR PRINTED NAME OF PERSON CONSTRUCTING THE WELL Submit the original to the Division of Water Quality within 30 days. Attn: Information Mgt, Form GW -1b ' 1617 Mail Service Center - Raleigh, NC 27699 -1617 Phone No. (919) 733 -7016 ext 568. Rev. 7105 PROJECT: Ash Pond Monitoring Wells WELL / BORING NO: CB-9 PROJECT NO: 1026.01.01 STARTED: 10/8112 COMPLETED. 10/8/12 DRILLING COMPANY; Geologic Exploration NORTHING: 645591.79 EASTING: 944233.05 DRILLING METHOD: DBT /Air Rotary ELEVATION 2178.86 ft MSL M.P. ELEV: 2182.09 ft MSL BOREHOLE DIAMETER: 4" IN WATER: 37.0 ft TOC TOTAL DEPTH 62.0 ft BGS NOTES: Soil sampling with DPT to refusal LOGGED BY. K Webb CHECKED BY: K. Webb d� U a W a O " !n R. O z o E - WELL w O w Jz m0 a n CONSTRUCTION I. Uj ML SILT, red 5- Cement Grout 10- ML SILT, medium orange -brown with soft rock lenses 15- 20- I I RK Partially Weathered Rock with SILT and soft rock 25- lenses 30 Bentonite Seal 35 Weathered Rock, mica schist RK i Wet at 55-60 feet CLIENT: Progress Energy 1617 148 148 River Street, Suite 220 PROJECT LOCATION Arden, NC Greenville, SC 29601 1 9999 Telephone� 64-42- s)mTerra Fax: 864-4281-9919 PAGE 1 OF 2 64 -428 99191 PROJECT: Ash Pond Monitoring Wells WELL / BORING NO: CB-9 PROJECT NO. 1026.01.01 STARTED: 10/8112 COMPLETED: 1018112 DRILLING COMPANY: Geologic Exploration NORTHING: 645591.79 FASTING: 944233.05 DRILLING METHOD. DBT /Air Rotary ELEVATION 2178.86 ft MSL M.P. ELEV: 2182 09 ft MSL BOREHOLE DIAMETER: 4" IN WATER: 37 0 ft TOC TOTAL DEPTH 62 0 ft BGS NOTES: Soil sampling with DPT to refusal LOGGED BY K. Webb CHECKED BY. K. Webb a� U =C9 L) w a O^ oz o E WELL w" g O j DESCRIPTION m � i a v CONSTRUCTION 0 U 45 -� I i I 50- Weathered Rock, mica schist RK Wet at 55 -60 feet (continued) 55- i _ Silica Sand Filter i t PVC Slotted Screen - I 60 - 65 70- 75- � i r { I SynTerra CLIENT: Progress Energy 148 River Street, Suite 220 PROJECT LOCATION Arden, NC Greenville, SC 29601 Telephone: 864 -421 -9999 synTerra Fax: 864 -421 -9919 PAGE 2 OF 2 5F NONRESIDENTIAL WELL CONSTRUCTION RECORD r S. North Carolina Department of Guvironnlent and Nnhlral ReSOUrces- Division of Writer QUality WELL CONTRACTOR CERTIFICATION H 3098 1. WELL CONTRACTOR: ! JOHNNY BURR Well Contractor (Individual) Name GEOLOGIC EXPLORATION, INC Well Contractor Company Name 176 COMMERCE BLVD Street Address STATESVILLE NC 28625 Clty or Town State Zip Code ' I 70( 4 ) 872 -7686 Area code Phone number 2. WELL INFORMATION: WELL CONSTRUCTION PERMI OTHER ASSOCIATED PERMIT #(If applicable) SITE WELL ID #(ir applicable) CB -9 J. WELL USE (Check One Box) Monitoring IV Municipal /Public ❑ IndustriatlCommercial O Agricultural ❑ Recovery ❑ Injection ❑ Irrigation❑ Other ❑ (list use) DATE DRILLED 10/08/12 4. WELL LOCATION: 200 CP &L DRIVE 28704 (Street Name, Numbers, Community, Subdivision, Lot No., Parcel, Zip Code) CITY: ARDEN COUNTY BUNCOMBE TOPOGRAPHIC / LAND SETTING: (check appropriate box) ❑Slope ❑Valley &(Flat ❑Ridge []Other___ LATITUDE 35 -28 -18.7900 „ DMS OR DO LONGITUDE 82 ^ 32 ' 48.3400 " DMS OR _ OD Latitude /longitude source: V3PS QTopographlc map (location of well must be shown on a USGS topo map andattached to this form if not using GPS) b. FACILITY (Name of the business where the well is located.) PROGRESS ENERGY N/A atlor below land surface may require Facility Name Facility 10# (If applicable) 200 CP &L DRIVE N/A Amount NIA g. WATER ZONES (depth): Street Address Top Bottom Top Bottom ARDEN NC 28704 City or Town Stale Zip Code PROGRESS ENERGY________ Diameter Weight Material Top 0.0 Bottom 52.0 Contact Name Top Bollom FL 200 CP &1_ DRIVE Ft. _. :8 GROUT: Depth Mailing Address Top 0.0 Bottom 18,0 Ft. PORI LAND eENTONITE SLURRY ARDEN NC 28704 City or Town State Zip Code Area code Phone number 6. WELL DETAILS: a. TOTAL DEPTH: 62.0 FEET b. DOES WELL REPLACE EXISTING WELL? YES ❑ NO G/ d. TOP OF CASING IS 2.5 FT. Above I -and Surface* Top of casing terminated atlor below land surface may require a variance In accordance wlih 15A NCAC 2C.01 18, o. YIELD (gpm): N/A METHOD OF TEST NIA If. DISINFECTION: Type N/A Amount NIA g. WATER ZONES (depth): Bottom Top Bottom Top Bottom Top Bottom Top Bottom Top Bottom Top Butlom LOG Thickness/ 7. CASING: Depth Diameter Weight Material Top 0.0 Bottom 52.0 Ft. 2INCH SCI 140 PVC Top Bollom FL Top Bollom Ft. _. :8 GROUT: Depth Material Method Top 0.0 Bottom 18,0 Ft. PORI LAND eENTONITE SLURRY Top Bottom FL__ Top Bottom F►._�_,.____ _.__...._. : 9. SCREEN: Depth Diameter Slot Size Material Top 52.0 Bottom 62.0 Fl. 2.0 in. .010 in. PVC Top Bottom Ft. in. . In. Top , Bottom Fl. in. In. _ 10. SANDIGRAVEL PACK: Depth Size Material Top 50.0 Bottom 62.0 Ft. 20 -40 FINE SILICA SAND Top Bottom Fl. _ - Top Bottom Ft. _ 11. DRILLING LOG Top Bottom Formation Description 0.0 / 6.0 RED CLAY 6.0 / 7.0 RED /TAN SILTY CLAY 7.0 it 62.0 TAN SILTY PARTIALLY WEATHERED / ROCK 12. REMARKS: RENTONITF SEAL FROM ton TO 50.0 FEET 100 rEREOY CERTIFY THAT THIS WELL WAS STRl1CTFl110 ACCORDAWt' WITII 15A NCAC E CONSTR TION STAN( S. ANO THAT A CORY OF THIS RECORU To THE O Nbq �i(/ 10116/12 SIG URE OF RTIFIED WELL CONTRACTdi .DATE _ c. WATER LEVEL Below Top of Casing: 37.0 i JOHNNY BURR (Use " +' if Above Top of Casing) : PRINTED NAME OF PERSON CONSTRUCTING THE WELL Form GW -1b Submit within 30 days of completion'to: Division of Water Quality - Information Processing, Rev 2109 1617 Mail Servico Center, Ralelgh, NC 27699 -161, Phone : (919) 807 -6300 RECORD OF BOREHOLE GW -1 SHEET of 1 PROJECT: Progress Energy - Asheville DRILL RIG: Dsldrtch D-120 NORTHING 614.240.7 A11ON W.L.: 2160.9 h EASTING: 918.6326 PROJECT NUMBER 0636662.001 DATE STARTED: 816107 DATE Bf7tO7 DATE COMPLETED 816107 ELEVATION: 2218.7 DRILLED DEPTH: 24.0 ft f1 E W.L :. 7;50 am TSB LOCATION: Arden, NC SOIL PROFILE SAWnJ -9 Z MONITORING WELL/ WELL 4. u ELEV. w BLOWS PIEZOMETER CON9TRLICTION DESCRIPTION per 6 I N W ¢ DIAGRAM and NOTES DETAILS w j DEPTH (l 14oulr..,r,. x ncn erar 0 0.0-40 . SILTY SAND. Oro w vAth #Wndant gravel VML CASING YtWV/: - 11.97.14 feet Me1111ft PVC sWs rock fragments Dlaenatsr 24nch SM Joint Type: TTrmded VOLL SCR EEN hNrML• 14.24 feel 2175 '• 2174.7 MslsAal: PVC 4.0-140 CLAYEY SAND, bto-n. moderate plaswily. 40 SPT 4-9 -11.14 20 Q �A— Dlsnalar. 2 -inch Cap. C.OiGded 5 sightly moist. Sam* gnossk: end quarts 2.0 E� wad Ozer— RLTIER PACK Interval: 12 -24 fed Type: $2 Send PLTM PACK SEAL Interval: 10.12 fed Type: 3(4ancth Bantorgle Cnip 2170 SC ANNULUS SEAL 10 SPT &13-20.34 96 26 Interval 0.10 fed Type: Portlerd3en Coale Bemonite— Wa COMPLETION Pad: 3x3xD.5 fed Conaele Protective Cw*q: 44nch Numksm 2164 7 DFULUNO MET14ODS 2185 Sell Drill: 4.25 -m& ID Hollow Slam Augers Orti: None 14.0.190 ROCK, silly v9 a4v 14.0 5011 �°I'q- PARTIALLY WEATHERED by i SPT 26 -Stilt 2.0 Rock 15 Bard. tw end wNte, low paellaty, moist rod fabric, end sane folfatio+ p p P414 4 SM bae <v A po °a4 Sand — �o 4 D 21$9.7 2160 Saaen— . 79.0.71.0 SILTY SAND, or3ngo and "Ar. w- 19.0 SPT 611 -20-28 31 760 2 0 pasicty, ern zones of cmrA send, wet by 9M 20.5 fed, slowly dipping foiallw 2158.7 22.0.24.0 22.0 PARTIALLY WEATHERE0 ROCK. silly SM •bao sat with coarse sand. orenge and ora.w+, • v p t>40114 2155 law pklsWty, weL sub ho+rontal ldlatw 21 .7 24.0: Borog lem(wled at 24 fee( Bokg competed at 24.0 h SPT 17;3046 -5W3 -50 25 2150 Q 30 a c� a 2145 4u 35 rJ g 2140 0 40 GA INSPECTOR: David Y. Reedy, P.G. !y LOG SCALE: 1 in = 5 ft i DRILLING COMPANY: Geologic E1q) loration CHECKED BY: David Y. Reedy, P.G. o DRILLER: Johnny Burr DATE: 9111/07 es m srur .y I 1. WELL CONTRACTOR: NoiyRESIDENTIAL WELL CONSTRUCTION RECORD North Carolina Department of Environment and Natural Resources- Division of Water Quality WELL CONTRACTOR CERTIFICATION # 3098 JOHNNY BURR Well Contractor (Individual) Name GEOLOGIC EXPLORATION, INC. Wen Contractor Company Name STREET ADDRESS 178 COMMERCE BLVD STATESVILLE NC 28625 City or Town State Zip Code 70( 4 r 872 -7686 Area code- Phone number Z. WELL INFORMATION: SITE WELL 10 #(if applicablo) GW -1 STATE WELL PERMIT#(if applicable) DWQ or OTHER PERMIT *(it applicable) WELL USE (Check Applicable Box) Monitoring 91 MunicipaVPublic ❑ Industrial/Commercial ❑ Agricultural[) Recovery ❑ Injection ❑ Irrigation(] Other ❑ (list use) DATE DRILLED 08!08 -08107107 TIME COMPLETED AM ❑ PM ❑ 3. WELL LOCATION: CITY: ARDEN COUNTY BUNCOMBE 200 CP AND L DRIVE (Street Name, Numbers, Community, Subdivision. Lot No.. Parcel, Zip Cade) TOPOGRAPHIC / LAND SETTING: ❑Slope ❑Valley []Flat ❑Ridge ❑ Other (check isppropnate box) LATITUDE May be in degrees, minutes, seconds or LONGITUDE _ in a decimal format Latitude/longitude source: ❑GPS ❑Topographic map (location of well must be shown on a LSGS topic, map and attached to this form if not using GPS) 4. FACILITY- is the name of To business where wte welt Is IMALed, FACILITY ID *(If applicable) NAME OF FACILITY PROGRESS ENERGY STREET ADDRESS 200 C P AND L DRIVE ARDEN NC City or Town State Zip Code CONTACT PERSON PROGRESS ENERGY MAILING ADDRESS 410 S. WILMINGTON STREET PEB 8 RALEIGH NC 27601 City or Town State Zip Code u- Area code - Phone number S. WELL DETAILS: a. TOTAL DEPTH: 24.0 FEET b. DOES WELL REPLACE EXISTING WELL? YES ❑ NO c. WATER LEVEL Below Top of Casing: 15.0 FT. (Use ' +' ifAbove Top of Casing) 2'j ?907 d. TOP OF CASING IS 2.5 FT. Above Land Surfax' 'Top �f casing terminated attor L-1rnv land surface may require a variance in accordance with 15A NCAC 2C .0118. a. YIELD (gpm): N/A METHOD OF TEST NIA 1. DISINFECTION: Typo N/A Amount NIA g. WATER ZONES (depth): To 14.0 From To From To From To From To From To From To 6. CASING: Thickness/ Depth Diameter 1 ht Me al S�`r�a0 PVC From 0.0 To 14.0 Ft. 2 INCH From To Ft, From To FL 7. GROUT: Depth Material Method From 0.0 To 10.0 Ft Portland bantomte SLURRY From To Ft. From To Ft. 8. SCREEN: Depth Diameter Slat Size Malerial From 14.0 To 24.0 F12.0 in .010 in. PVC From To FL in. in. From To FL in. in. 8. SANDIGRAVEL PACK: Depth Size Material From 12.0 To 24.0 FL 20.40 Fine Silica Sand From To FL From To FL 10. DRILLING LOG From To 0.0 10.0 10.0 16.0 160 240 Formation Description RFD CLAY TAN CLAY TAN ROCKY CLAY 11. REMARKS: BentoNte seal from 10.0 to 12.0 Feet. 100 HEREBY CERTIFY THAT TWS WELL WAS CONSTRUCTED IN ACCORDANCE WrTH 15A NCAC 2C. WELL CONSTRUCTION STANDARDS. AND THAT A COPY OF THIS RECORONS BEEN PROVIDED TO THE WELL OWNER 09120/07 SPIV17URE WERTIFIED L CTOR DATE JOHNNY BURR PRINTEC NAME OF PERSON CONSTRUCTING THE WELL Submit the original to the Division of Water Quality within 30 days. Attn: Information Mgt, Form GW -1b 1617 Mail Service Center - Raleigh, NC 27699.1617 Phone No. (919) 733 -7015 ext 568. Rev. 7/05 /_•• ►• -3 ASHEVILLE STEAM ELECTRIC PLANT ATTACHMENT XX, VERSION 1.0 NOVEMBER 12, 2010 Beverly Eaves Fescue ' Governor NCDENR North Caroiina Department of Environment and Natura' Resources Division of Water Guawy Coleen K Sullins Director November 12, 2010 ' Mr. John Toepfer Senior Environmental Technical Specialist ' Progress Energy Service Company, LLC 410 South Wilmington Street PEB 4 ' Raleigh, North Carolina 27601 Subject: Revised Groundwater Monitoring Plan ' Asheville Steam Station Permit NCO000396 p LNOV2 E MM W ATER PROGRAMS UNIT Dee Freemar Jeoreiar% ' Dear Mr. Toepfer: Attached is a revised Groundwater Monitoring Plan for the above - referenced site. This will ' supersede the November 3, 2010 letter and Groundwater Monitoring Plan. If you have any questions, please feel free to contact Eric Smith at (919) 715 -6196 or me at (919) 715 -6699. Sincerely, ' Debra J. Watts Supervisor — Groundwater Protection Unit Attachments cc: APS- ARO w/ attachments ' APS Central Office Files w/ attachments SWP — NPDES (Sergei Chemikov) w/ attachments ' A01,1IFER PROTECTION SECTION 163n- Mai! Service Center, Ralegh North Caroliu 27099 -163x" Location: 2728 Capital Soulevarl Raleigt, Noun Carolina 27604 Un° Phone 911,7D,3221 FAY 9!9-7 5JYA8:FAX2 .919 ".5- &93',Custom'a.rvice ' - i7 -62`s_: 4f NofthCi rohiliai ' Internet www.n�te�ual�� �A'i7f1ri714ff GROUNDWATER MONITORING WELL CONSTRUCTION AND SAMPLING 1. The permittee shall conduct groundwater monitoring as may be required to determine the compliance of this NPDES permitted facility with the current groundwater Standards found under 15A NCAC 2L.0200. 2. WELL CONSTRUCTION, Within 120 days of permit issuance, monitoring wells, as proposed on the Attachment, shall be installed to monitor groundwater quality. a. Monitoring wells shall be constructed in accordance with 15A NCAC 02C .0108 (Standards of Construction for Wells Other than Water Supply) and any other jurisdictional laws and regulations pertaining to well construction. The general locations for all monitoring wells are indicated on Attachment XX. b. The Asheville Regional Office, telephone number (828) 296 -4500, shall approve the location of new monitoring wells prior to installation. The regional office shall be notified at least 48 hours prior to the construction of any monitoring well and such notification to the Aquifer Protection Section's regional supervisor shall be made from 8:00 a.m. until 5:00 p.m. on Monday through Friday, excluding State Holidays. C. Within 60 days of completion of the monitoring wells, the Permittee shall submit two original copies of a site map with a scale no greater than 1 -inch equals 500 feet. At a minimum, the map shall include the following information: i. The location and identity of each monitoring well. ii. The location of major components of the waste disposal system. The location of property boundaries within 500 feet of the disposal areas. iv. The latitude and longitude of the established horizontal control monument. V. The elevation of the top of the well casing (i.e., measuring point) relative to a common datum. vi. The depth of water below the measuring point at the time the measuring point is established. vii. The location of compliance and review boundaries. viii. The date the map is prepared and /or revised. ix. Topographic contours in no more than ten (10) foot intervals d. The above information should be overlaid on the most recent aerial photograph taken of the site. Control monuments shall be installed in such a manner and made of such materials that the monument will not be destroyed due to activities taking place on the property. The map and any supporting documentation shall be sent to the Division of Water Quality, Aquifer Protection Section, 1636 Mail Service Center, Raleigh, NC 27699 -1636. e. The well(s) must be constructed by a North Carolina Certified Well Contractor, the property owner, or the property lessee according to General Statutes 87- 98.4. If the construction is not performed by a certified well contractor, the property owner or lessee, provided they are a natural person, must physically perform the actual well construction activities. f. The monitoring wells shall be regularly maintained. Such maintenance shall include ensuring that the well caps are rust -free and locked at all times, the outer casing is upright and undamaged, and the well does not serve as a conduit for contamination. NPDES Well Construction and Groundwater Monitoring Page I of 3 1 I!12120I0 3. GROUNDWATER SAMPLING. Monitoring wells shall be sampled after construction and thereafter at the frequencies and for the parameters as specified in the Attachment. All mapping, well construction forms, well abandonment forms and monitoring data shall refer to the permit number and the well nomenclature as provided on the Attachment. a. Per 15A NCAC 02H .0800, a Division certified laboratory shall conduct all laboratory analyses for the required effluent, groundwater or surface water parameters. b. The measurement of water levels shall be made prior to purging the wells. The depth to water in each well shall be measured from the surveyed point on the top of the casing. The measurement of pH shall be made after purging and prior to sampling for the remaining parameters. C. The measuring points (top of well casing) of all monitoring wells shall be surveyed to provide the relative elevation of the measuring point for each monitoring well. The measuring points (top of casing) of all monitoring wells shall be surveyed relative to a common datum. d. For initial sampling of monitoring wells, the Permittee shall submit a Compliance Monitoring Form (GW -59) and a Well Construction Record Form (GW -1) listing this permit number and the appropriate monitoring well identification number. Initial Compliance Monitoring Forms (GW -59) without copies of the Well Construction Record Forms (GW -1) are deemed incomplete, and may be returned to the Permittee without being processed. e. Two copies of the monitoring well sampling and analysis results shall be submitted on a Compliance Monitoring Form (GW -59), along with attached copies of laboratory analyses, on or before the last working day of the month following the sampling month. The Compliance Monitoring Form (GW -59) shall include this permit number, the appropriate well identification number, and one GW -59a certification form shall be submitted with each set of sampling results. All information shall be submitted to the following address: Division of Water Quality Information Processing Unit 1617 Mail Service Center Raleigh, North Carolina 27699 -1617 4. COMPLIANCE BOUNDARY. The compliance boundary for the disposal system shall be specified in accordance with 15A NCAC 02L .0107(a). This disposal system was individually permitted prior to December 30, 1983; therefore, the compliance boundary is established at either 500 feet from the effluent disposal area, or at the property boundary, whichever is closest to the effluent disposal area. An exceedance of groundwater standards at or beyond the compliance boundary is subject to remediation action according to 15A NCAC 02L .0106(c) as well as enforcement actions in accordance with North Carolina General Statute 143- 215.6A through 143- 215.6C. NPDES Well Construction and Groundwater Monitoring Page 2 of 11/12/2010 ATTACHMENT XX — GROUNDWATER MONITORING PLAN Permit Number: NC0000396 Version 1.0 WELL NOMENCLATURE PARAMETER DESCRIPTION FREQUENCY Monitoring Wells: GW -1, CB -l. CB -2. CB -3. CB4, CB4B. CB -5, C13-6, CB -7. CB -8 Antimony Chromium Nickel Thallium April, July, November Arsenic Co er Nitrate Water Level Barium I Iron pH Zinc Boron Lead Selenium Cadmium I Manganese Sulfate Chloride I Mercury I TDS Note 1: For locations of monitoring wells, see attached map. Note 2: Monitoring revisions may be considered, as applicable. if there are no significant detections prior to permit renewal. NPDES Well Construction and Groundwater Monitoring Page 3 of 3 11/122010 tz" � of" -- it 4 /����Y fig F7g� •. \ ¢�+°� 'j' .. It v� D l AO 4 0 � Pw �� p