Loading...
HomeMy WebLinkAboutWQ0004270_Final Permit_20150423NCDENR North Carolina Department of Environment and Natural Resourcll:g Pat McCrory Governor April 23, 2015 Mr. Al Abedi — Vice President A.B. Carter, hie. Post Office Box 518 Gastonia, North Carolina 28053 Dear M. Abedi: Donald R. van der Vaart Secretary Subject: Permit No. WQ0004270 A.B. Carter, hie. Wastewater Irrigation System Gaston County In accordance with your permit renewal request received October 17, 2014, and subsequent additional information received February 16, 2015, we are forwarding herewith Pernit No. WQ0004217 dated April 23, 2015, to A.B. Carter, Inc. for the continued operation of the subject wastewater treatment and irrigation facilities. Please note that this renewed permit shall become effective on June 1, 2015 (i.e. the day after the expiration date of the existing permit), which differs from the date of this letter. Due to the recent reduction in effluent flowrates, the effluent monitoring frequency has been reduced from three times a year to twice a year. This permit shall be effective from June 1, 2015 until March 31, 2020, shall void Permit No. WQ0004270 issued June 22, 2006, and shall be subject to the conditions and limitations as specified therein. Please pay particular attention to the monitoring requirements listed in Attachments A, B and C for they may differ from the previous pennit issuance. Failure to establish an adequate system for collecting and maintaining the required operational information shall result in future compliance problems. For your convenience, customized electronic copies of your facility's NDMR and NDAR-1 reporting fonns are available for download at: littp:Hpoltal.ncdenr.orv/web/wq/aps/lau/reportin . Please note that on September 1, 2006, North Carolina Administrative Code Title 15A Subchapter 02T — Waste not Discharged to Surface Waters was adopted. Accordingly, this permit incorporates the requirements of these rules; therefore, please take the time to review this permit thoroughly. The following conditions have been added, modified or deleted from those in the last permit issuance: ➢ Condition 1. 1. — describes the procedure for renewing the pernit ➢ Condition IIA. — the quality of the effluent must meet the standards listed on Attachment A 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Phone: 919-807-64641 Internet: http:Hportal.ncdenr.org/web/wq An Equal Opportunity 1 Affirmative Action Employer — Made in part with recycled paper Mr. Al Abedi April 23, 2015 Page 2 of 3 ➢ Condition 11.5. — the application rate restrictions in Attachment B must be followed ➢ Condition II.8. — permit modification precedes any sale affecting a Compliance Boundary ➢ Condition II.9. — construction of most wells is prohibited within the Compliance Boundary ➢ Condition III.1. — the facilities shall be properly maintained and operated ➢ Condition 111.6. — all irrigation,equipment must be periodically tested and calibrated ➢ Condition 111.9. — public access to the treatment facility and irrigation sites is prohibited j . ➢ Condition III.10. — residuals from the treatment system must be properly disposed ➢ Condition Ill.13. — a gauge to monitor water levels in the storage lagoon must be provided ➢ Condition III.14. — all earthen embankments will have a managed protective vegetative cover ➢ Condition IVA. — the effluent is to be sampled in accordance with Attachment A ➢ Condition IV.5. — lists the minimum requirements for tracking the application events ➢ Condition IV.6. — states the freeboard monitoring requirements for the storage lagoon ➢ Condition IV.7. — lists the requirements for submitting monitoring and operation records ➢ Condition IV.8. — lists the requirements for reporting residual removal from the facility ➢ Condition IV.9. — states the requirements for maintaining a maintenance log ➢ Condition IV.10. —groundwater monitoring is performed in accordance with Attachment C Condition IV.12. — states the requirements for reporting groundwater monitoring data ➢ Condition IV.13. — a Standard Soil Fertility Analysis must be perfonned on each sites ➢ Condition IV.14. — describes appropriate actions to be taken if a noncompliance event occurs ➢ Condition VI.3. — the pen -nit only pertains to the volume and nature of the wastes described ➢ Condition VI.7. — the operation must be covered by an active permit until it is properly closed ➢ Condition VI.8. —the permit maybe revoked or modified under certain conditions ➢ Condition VI.9. — the facilities may not be expanded under certain circumstances If any parts, requirements or limitations contained in this permit are unacceptable, the Permittee has the right to request an adjudicatory hearing upon written request within 30 days following receipt of this permit. This request shall be in the form of a written petition, conforming to Chapter 150B of the North Carolina General Statutes, and filed with the Office of Administrative Hearings at 6714 Mail Service Center, Raleigh, NC 27699-6714. Unless such demands are made, this permit shall be final and binding. Mr. Al Abedi April 23, 2015 Page 3 of 3 If you need additional information concerning this permit, please contact David Goodrich at (919) 807-6352 of by_ema_il at davi_d.goodricll@_ ncdeiu_.gov. — Sincerely, '.4s. y er nan, Director Division of Water Resources NCDENR cc: Gaston County Health Department (Electronic Copy) Mooresville Regional Office, Water Quality Regional Operations Section (Electronic Copy) Central Files Digital Permit Archive (Electronic Copy) In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as amended, and other applicable Laws, Rules and Regulations PERMISSION IS HEREBY GRANTED TO A.B. Carter, 111C. Gaston County FOR THE continued operation of a 5,000 gallon per day (GPD) wastewater treatment and irrigation facility consisting of: a 5,000 GPD extended aeration plant with a cominunitor, bar screen, aeration basin, clarifier, clmloririe contact tank, a 0.235 million gallon (MG) storage lagoon, a 120 gallon per minute (GPM) irrigation pump and approximately 2 acres of irrigation field to serve A. B. Carter, Inc., with no discharge of wastes to surface waters, pursuant to the application received October 17, 2014, and subsequent additional information received by the Division of Water Resources, and in conformity with the project plans, specifications, and other supporting data subsequently filed and approved by the Department of Environment and Natural Resources and considered a part of this permit. This pen -nit shall be effective from June 1, 2015 until March 31, 2020, shall void Permit No. WQ0004270 issued June 22, 2006 and shall be subject to the following specified conditions and linmitations: 1. SCHEDULES No later than six months prior to the expiration of this permit, the Penmittee shall request renewal of this permit on official Division focus. Upon receipt of the request, the Division will review the adequacy of the facilities described therein, and if warranted, will renew the permit for such period of time and under such conditions and linmitations as it may deem appropriate. Please note Rule 15A NCAC 02T .0105(d) requires an updated site map to be submitted with the permit renewal application. WQ0004270 Version 3.0 Shell Version 140707 Page 1 of 7 i lJRM���►� 'Ma icy The subject non -discharge facilities shall be effectively maintained and operated at all times so there is no discharge to surface waters, nor -any contravention of groundwater or surface water standards. In the event the facilities fail to perfonn satisfactorily, including the creation of nuisance conditions due to improper operation and maintenance, or failure of the irrigation areas to adequately assimilate the effluent, the Permittee shall take immediate corrective actions including Division required actions, such as the construction of additional or. replacement wastewater treatment or irrigation facilities. 2. This permit shall not relieve the Permittee of their responsibility for damages to groundwater or surface water resulting from the operation of this facility. 3. All wells constructed for purposes of groundwater monitoring 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. 4. Effluent quality shall not exceed the limitations specified in Attachment A. 5. Application rates, whether hydraulic, nutrient or other pollutant, shall not exceed those specified in Attachment B. 6. 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(d) (2) as well as enforcement actions in accordance with North Carolina General Statute 143-215.6A through 143-215.6C. 7. In accordance with 15A NCAC 02L .0108, the review boundary is established midway between the compliance boundary and the effluent disposal area. Any exceedance of groundwater standards at the review boundary shall require action in accordance with 15A NCAC 02L .0106. 8. The Permittee shall apply for a pen -nit modification to establish a new compliance boundary prior to any sale or transfer of property affecting a compliance boundary. 9. In accordance with 15A NCAC 02L .0107(d), no wells, excluding Division approved monitoring wells, shall be constructed within the compliance boundary except.as provided for in 15A NCAC 02L .0107(g). 10. The facilities permitted herein shall be constructed according to the following setbacks: a. The setbacks for irrigation sites permitted under 15A NCAC 02H .0200 shall be as follows (all distances in feet): i. Any habitable residence or place of public assembly under separate ownership: 400 ii. Drainage ways or surface water bodies: 100 iii. Any well with exception of monitoring wells: 100 iv. Any property line: 150 V. Public right of way: 50 . b. The setbacks for storage and treatment units permitted under 15A NCAC 02H .0200 shall be as follows (all distances in feet): i. Any well with exception of monitoring wells: 100 ii. Any property line: 50 WQ0004270 Version 3.0 Shell Version 140707 Page 2 of 7 1. The facilities shall be properly maintained and operated at all times. The facilities shall be effectively maintained and operated as a non -discharge system to prevent the discharge of any wastewater resulting from the operation of this, facility. The Perluttee shall maintain an Operation and Maintenance Plan pursuant to 15A NCAC 02T .0507, which at a nuniinum shall include operational functions, maintenance schedules, safety measures and a spill response plan. 2. Upon the Water Pollution Control System Operators Certification Cornnission's (WPCSOCC) classification of the subject non -discharge facilities, in accordance with 15A NCAC 08G .0200 the Peniuttee shall designate and employ a certified operator in responsible charge (ORC) and one or more certified operator(s) as back-up ORC(s). The ORC or their back-up shall visit the facilities in accordance with 15A NCAC 08G .0200, and shall comply with all other conditions specified in the previously cited rules. A suitable year round vegetative cover shall be maintained at all times, such that crop health is optinuzed, allows for even distribution of effluent and allows inspection of the irrigation system. 4. Adequate measures shall be taken to prevent effluent ponding in or runoff from the irrigation sites listed in Attachment B. 5. Irrigation shall not be performed during inclement weather or when the ground is in a condition that will cause ponding or runoff. All irrigation equipment shall be tested and calibrated at least once per permit cycle. Calibration records shall be maintained at the facility for a period of no less than five years, and shall be made available to the Division upon request. 7. Only effluent from A. B. Carter, hic. shall be irrigated on the sites listed in Attachment B. No automobiles or machinery shall be allowed on the irrigation sites except during equipment installation or while maintenance is being performed. 9. Public access to the irrigation sites and wastewater treatment facilities shall be prohibited. 10. The residuals generated from the wastewater treatment facilities shall be disposed or utilized in accordance with 15A NCAC 02T .1100. The Perzuttee shall maintain a residual management plan pursuant to 15A NCAC 02T .0508. 11. Diversion or bypassing of untreated or partially treated wastewater from the treatment facilities is prohibited. 12. Freeboard in the storage lagoon shall not be less than two feet at any time. 13. A gauge to monitor waste levels in the storage lagoon shall be provided. This gauge shall have readily visible permanent markings, at inch or tenth of a foot increments, indicating the following elevations: maximum liquid level at the top of the temporary liquid storage volume; minimum liquid level at the bottom of the temporary liquid storage volume; and the lowest point on top of the darn. WQ0004270 Version 3.0 Shell Version 140707 Page 3 of 7 14. A protective vegetative cover shall be established and maintained on all earthen embankments (i.e., outside toe of embankment to maximum 'allowable temporary storage elevation on the inside of the embankment), berms, pipe runs, erosion control areas, and surface water diversions. Trees, shrubs, and other woody vegetation shall not be allowed to grow on the earthen dikes or embankments. Earthen embankment areas shall be kept mowed or otherwise controlled and accessible. 15. Spare parts shall be provided for the pump and holding basin so that continuous operation of the facilities can be maintained. IV. MONITORING AND REPORTING REQUIREMENTS 1. Any Division required monitoring (including groundwater, plant tissue, soil and surface water analyses) necessary to ensure groundwater and surface water protection shall be established, and an acceptable sampling reporting schedule shall be followed. 2. Per 15A NCAC 02H .0800, a Division certified laboratory shall conduct all laboratory analyses for the required effluent, groundwater or surface water parameters. 3. Flow through the treatment facility shall be continuously monitored, and daily average flow values shall be reported on Form NDMR. Flow may be estimated from water use records, provided the Pennittee's water use is metered. Daily average flow values shall be calculated by dividing the monthly metered water usage by the number of days in the month. 4. The Permittee shall monitor the effluent from the subject facilities at the frequencies and locations for the parameters specified in Attachment A. 5. The Permittee shall maintain adequate records tracking the amount of effluent irrigated. At a minimum, these records shall include the following information for each irrigation site listed in Attachment B: a. Date of irrigation; b. Volume of effluent irrigated; c. Site irrigated; d. Length of time site is irrigated; e. Continuous weekly, monthly, and year-to-date hydraulic (inches/acre) loadings; f. Continuous monthly and year-to-date loadings for any non -hydraulic parameter specifically limited in Attachment B; g. Weather conditions; and h. Maintenance of cover crops. 6. Freeboard (i.e., waste level to the lowest embankment elevation) in the storage lagoon shall be measured to the nearest inch or tenth of a foot, and recorded weekly. Weekly freeboard records shall be maintained at the facility for a period of no less than five years, and shall be made available to the Division upon request. 7. Three copies of all monitoring data (as specified in Conditions IV.3. and IV.4.) on Form NDMR for each PPI and three copies of all operation and disposal records (as specified in Conditions IV.S. and IV.6.) on Form NDAR-1 for every site in Attachment B shall be submitted on or before the last day of the following month. If no activities occurred during the monitoring month, monitoring reports are still required documenting the absence of the activity. All information shall be submitted to the following address: Division of Water Resources Information Processing Unit 1617 Mail Service Center Raleigh, North Carolina 27699-1617 WQ0004270 Version 3.0 Shell Version 140707 Page 4 of 7 8. A record shall be maintained of all residuals removed from this facility. This record shall be maintained at the facility for a period of no less than five years, and shall be made available to the Division upon request. At a nininnum, this record shall include: a. Name of the residuals hauler; _ b. _Non -Discharge permit number authorizing the residuals disposal, or a letter fro_m_a municipality _ agreeing to accept the residuals; c. Date the residuals were hauled; and d. Volume of residuals removed. 9. A maintenance log shall be maintained at this facility. This log shall be maintained at the facility for a period of no less than five years, and shall be made available to the Division upon request. At a nuninlum, this log shall include: a. Date of calibration of flow measurement device; b. Visual observations of the plant and plant site; and c. Record of preventative maintenance (e.g., changing of equipment, adjustments, testing, inspections and cleanings, etc.). 10. Monitoring wells shall be sarnpled at the frequencies and for the parameters specified in Attachmnent. C. All mapping, well construction forms, well abandonment fonns and monitoring data shall refer to the permit number and the well nomenclature as provided in Attaclunent C and Figure 2. 11. 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 Fonn (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 Resources Information Processing Unit 1617 Mail Service Center Raleigh, North Carolina 27699-1617 12. An annual representative soils analysis (i.e., Standard Soil Fertility Analysis) shall be conducted on each irrigation site listed in Attaclunent B. These results shall be maintained at the facility for a period of no less than five years, and shall be made available to the Division upon request. At a rnininnum, the Standard Soil Fertility Analysis shall include the following parameters: Acidity Exchangeable Sodium Percentage Phosphorus Base Saturation (by calculation) Magnesium Potassium Calcium Manganese Sodium Cation Exchange Capacity Percent Hurnic Matter Zinc Copper pH 13. Noncompliance Notification: The Pernnittee shall report by telephone to the Mooresville Regional Office, telephone number (704) 663-1699, as soon as possible, but in no case more than 24 hours, or on the next working day following the occurrence or first Imowledge of the occurrence of any of the following: a. Any occurrence at the facility resulting in the treatment of significant amounts of wastes that is abnormal in quantity or characteristic, including the known passage of a hazardous substance. b. Any process unit failure (e.g., mechanical, electrical, etc.), due to known or unknown reasons, rendering the facility incapable of adequate wastewater treatment. c. Any facility failure resulting in a by-pass directly to receiving surface waters. WQ0004270 Version 3.0 Shell Version 140707 Page 5 of 7 d. Any time self -monitoring indicates the facility has gone out of compliance with its permit limitations. e. Ponding in or runoff from the irrigation sites. Any emergency requiring immediate reporting (e.g., discharges to surface waters, imminent failure of a storage structure, etc.) outside normal business hours shall be reported to the Division's Emergency Response personnel at telephone number (800) 662-7956, (800) 858-0368, or (919) 733-3300. Persons reporting such occurrences by telephone shall also file a written report in letter form within five days following first knowledge of the occurrence. This report shall outline the actions taken or proposed to be taken to ensure the problem does not recur. V. INSPECTIONS The Pennittee shall provide adequate inspection and maintenance to ensure proper operation of the wastewater treatment and irrigation facilities. 2. The Pennittee or their designee shall inspect the wastewater treatment and irrigation facilities to prevent malfunctions, facility deterioration and operator errors resulting in discharges, which may cause the release of wastes to the environment, a threat to human health or a public nuisance. The Permittee shall maintain an inspection log that includes, at a minimum, the date and time of inspection, observations made, and any maintenance, repairs, or corrective actions taken. The Permittee shall maintain this inspection log for a period of five years from the date of the inspection, and this log shall be made available to the Division upon request. 3. Any duly authorized Division representative may, upon presentation of credentials, enter and inspect any property, premises or place on or related to the wastewater treatment and irrigation facilities permitted herein at any reasonable time for the purpose of determining compliance with this permit; may inspect or copy any records required to be maintained under the tenns and conditions of this permit, and may collect groundwater, surface water or leachate samples. VI. GENERAL CONDITIONS 1. Failure to comply with the conditions and limitations contained herein may subject the Permittee to an enforcement action by the Division in accordance with North Carolina General Statutes 143- 215.6A to 143-215.6C. 2. This permit shall become voidable if the permitted facilities are not constructed in accordance with the conditions of this permit, the Division approved plans and specifications, and other supporting documentation. 3. This pennit is effective only with respect to the nature and volume of wastes described in the permit application; Division approved plans and specifications, and other supporting documentation. No variances to applicable rules governing the construction or operation of the permitted facilities are granted, unless specifically requested and approved in this pen -nit pursuant to 15A NCAC 02T .0105(n). 4. The issuance of this permit does not exempt the Permittee from complying with any and all statutes, rules, regulations, or ordinances, which may be imposed by other jurisdictional government agencies (e.g., local, state, and federal). Of particular concern to the Division are applicable river buffer rules in 15A NCAC 02B .0200; erosion and sedimentation control requirements in 15A NCAC Chapter 4 and under General Permit NCG010000; any requirements pertaining to wetlands under 15A NCAC 02B .0200 and 02H .0500; and documentation of compliance with Article 21 Part 6 of Chapter 143 of the General Statutes. WQ0004270 Version 3.0 Shell Version 140707 Page 6 of 7' In the event the permitted facilities change ownership or the Permittee changes their name, a formal permit modification request shall be submitted to the Division. This request shall be made on official Division forms, and shall include appropriate property ownership documentation and other supporting documentation as necessary. The Pennttee of record shall remain fully responsible for maintaining and operating the facilities permitted herein until a permit is issued to the new owner. 6. The Pernuttee shall retain a set of Division approved plans and specifications for the life of the facilities pennitted herein. 7. The Pennittee shall maintain this permit until all pennitted facilities herein are properly closed or pennitted under another permit issued by the appropriate permitting authority pursuant to 15A NCAC 02T .01050). 8. This pen -nit is subject to revocation or unilateral modification upon 60 days notice from the Division Director, in whole or part for the requirements listed in 15A NCAC 02T .0110. 9. Unless the Division Director grants a variance, expansion of the pennitted facilities contained herein shall not be granted if the Pennittee exemplifies any of the criteria in 15A NCAC 02T .0120(b). 10. The Pennittee shall pay the annual fee within 30 days after being billed by the Division. Failure to pay the an ival fee accordingly shall be cause for the Division to revoke this permit pursuant to 15A NCAC 02T .0105(e) (3). Permit issued this the 23rd day of April 2015, effective on June 1, 2015 NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION or S. y Zimmerman, Director Division of Water Resources By Authority of the Environmental Management Commission Permit Number WQ0004270 WQ0004270 Version 3.0 Shell Version 140707 Page 7 of 7 ATTACHMENT A — LIMITATIONS AND MONITORING REQUIREMENTS Permit Number: WQ0004270 I Version: 3.0 PPI 002 — WWTF Effluent EFFLUENT CHARACTERISTICS EFFLUENT LIMITS MONITORING REQUIREMENTS PCs Code Parameter Description Units of Measure Monthly Average Monthly Geometric Mean Daily Minimum Daily Maximum. Measurement Frequency Sample ( Type 50050 Flow, in conduit or thru treatment plant GPD 5,000 Monthly Estimate 00310 BOD, 5-Day (20 Deg. C) mg/I 2 x year Grab 00916 Calcium, Total (as Ca) mg/I 2 x year Grab 50060 Chlorine, Total Residual mg/l See Footnote 2 1 'Grab 31613 Colifoim, Fecal MF, M-FC Agar, 44.5C,24hr #/100ml 2 x year ( Grab 00927 Magnesium, Total (as Mg) mg/I 2 x year i ( Grab 00610 Nitrogen, Ammonia Total (as N) mg/l 2 x year Grab 00400 pH su 2 x year Grab 00931 Sodium Adsorption Ratio ratio 2 x year Grab 00929 Sodium, Total (as Na) mg/I 2 x year Grab 00530 Solids, Total Suspended mg/l 2 x year Grab I. 2 x year monitoring shall be performed during the months of February & August. 2. Total Residual Chlorine (PCs Code 50060) shall be monitored at the time of each irrigation event. WQ0004270 Version 3.0 Attaclunent A I Page 1 of 1 Permit Number: WQ0004270 A. B. Carter, Inc. — A. B. Carter Facility Version: 3.0 IRRIGATION AREA INFORMATION APPLICATION LIMITATIONS I 'Yearly Field Owner County Latitude Longitude Net Acrea a Dominant Soil Series Parameter Hourly Rate Max Units 01 A. B. Carter, Inc. Gastonia 35' 11'30" 81°12' 16" 1.0 CfB — Cecil -Urban land complex 01284 — Non -Discharge Application Rate "` 26.0 Inches 02 A. B. Carter, Inc. Gastonia 35'11'30" 81 ° 12' 16" 1.0 CfB — Cecil -Urban land complex 01284 — Non -Discharge Application Rate a` 26.0 Inches Totals 2.0 *The hourly application rate shall be such that ponding or runoff of applied wastewater does not occur. WQ0004270 Version 3.0 Attachment B I Page 1 of 1 I:y r�1-11.0 . U' ► i ljZ1111►`I /1�.`1_�I 1111.�►TI Ci7�1 Y;ICI�.�-1►�!?l\►117111 UTI �Yr � [i)li 17�'iiii'iii►�tfi i1i7�'iilti. i l I ILy�T/ll�li Monitoring wells: MW-19, MW-20 & MW-21 GROUNDWATER CHARACTERISTICS GROUNDWATER STANDARDS MONITORING REQUIREMENTS PCS Code Parameter Description Daily Maximum Frequency Measurement Sample Type For tnotes 82546 Water level, distance fi-om measuring point ft 2 x year calculated 1, 2, 3, 8 00940 Chloride (as Cl) 250 mg/1 2 x year grab 1, 2, 3, 8 31616 Coliform, Fecal MF, M-FC Broth,44.5C #/100 ml 2 x year grab 1, 2, 3, 8 . 00620 Nitrogen, Nitrate Total (as N) 10 mg/1 2 x year grab 1, 2, 3, 8 00945 Sulfate Total (as SO4) 250 mg/I 2 x year grab 1, 2, 3, 8 00403 pH, lab 6.5 — 8.5 range su 2 x year grab 1,12, 3, 8 70300 Solids, Total Dissolved— 180 Deg. C 500 mg/1 2 x year grab 1, 2, 3, 8 00680 Carbon, Total Organic (TOC) mg/I 2 x year grab 1, 2, 3, 6, 8 00610 Nitrogen, Ammonia Total (as N) 1,500 mg/I 2 x year grab i, 2, 3, 8 00335 Oxygen demand, chem.(low level) (cod) mg/1 2 x year grab 1, 2, 3, 8 78732 Volatile Compounds,(GC/MS) yes/no Annual grab —7-1, 2, 3, i 4, 5, 7. 8 I. 2 x Year monitoring shall be conducted in February and August; Annual monitoring shall be conducted every February. 2. 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. of pH shall be made after purging and prior to sampling for the remaining parameters. 3. 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 me of casing) of all monitoring wells shall be surveyed relative to a common datum. 4. Volatile Organic Compounds (VOC) - In February only, analyze by one of the following methods: a. Standard Method 6230D, PQL at 0.5 µg/L or less b. Standard Method 621 OD, PQL at 0.5 µg/L or less C. EPA Method 8021, Low Concentration, PQL at 0.5 µg/L or less d. EPA Method 8260, Low Concentration, PQL at 0.5 µg/L or less e. Another method with prior approval by the Water Quality Permitting Section Chief Any method used must meet the following qualifications: a. A laboratory must be DWR certified to run any method used. b. The method used must, at a minimum; include all the constituents listed in Table Vill of Standard Method 6230D. c. The method used must provide a PQL of 0.5 µg/L or less that must be supported by laboratory proficiency studies as required by DWR. Any constituents detected above the PQL of 0.5 µg/L must be qualified (estimated) and reported. 5. if any volatile organic compounds (VOC) are detected as a result of monitoring as provided in Attachment C, then the Mooresville,Regional Office supervisor, telephone number must be contacted immediately for further instructions regarding any additional follow-up analyses required. measurement ng points (top - M DL but below 663-1699, WQ0004270 Version 3.0 Attachment C Page i of 2 6. If TOC concentrations greater than 10 mg/L are detected in any downgradient monitoring well, 'additional sampling and analysis must be conducted to identify the individual constituents comprising this TOC concentration. If the TOC concentration as measured in the background monitor well exceeds 10 mg/L, this concentration will be taken to represent the naturally occurring TOC concentration. Any exceedances of this naturally occurring TOC concentration in the downgradient wells shall be subject to the additional sampling and analysis as described above. 7. Upon receipt of notification from the division to resume monitoring for VOCs. 8. Monitoring wells shall be reported consistent with the nomenclature and location information provided in Figure 2 and this attachment. WQ0004270 Version 3.0 Attachment C Page 2 of 2 aim, �\ � \ � �'"�".C" �•- fir-'"'``/ i � i � ( ,� \ 75o j • �� 1 � � i a r � f � �j j==/ (� -QinYeY'66\ ^ten � F `-�._,., . /" •___1 � .E .. , I I �/ !-� - _ _ i / ,�; 714786 It —750 � � 6p \ M I � r\.��/�\ • � � i , �r- � ice,-�'..''J�..�-l',' � � _% / � i � it _ / y ��\� �, ,1 �. � �i � �.j.�r— �J � ,� l �/� � / � \`Jj •� �� 1 Jj1; J!ri ���� �`-'�- � � �/(\�C�-�, it � � ,.�� � r• � � �� ' � � V sir �� ✓� -c�'- - I "_----� � I > a ��, -\=j - � • � ' �`, , , �, � � �� 7 : 0 � �,� ` �- -- �-u f :� 750 ��'�`� �. � ' '� � (�, ( ^o _,�7✓/ % ' � r_____� ) �� to j; �( `II'1 �'\ �--• ,��\yl, ��)J)IF42.�=� M� uw hii yen--� � /� �. � II ��n� 4. �_.�-' J/�/� � `✓- ` � t / �; �'.�_., _J /� \'\ (O f \ '-' J �J bs � 1 FIGURE 1 ' A.B. CARTER, INC. _ )J� WASTEWATER IRRIGATION SYSTEM - ;'��.J GASTON COUNTY WQ0004270 SITE LOCATION MAP 0. k PARCEL ID; 3543-124773_1 _PARCEL D",i_ DUKE ENERGY i 3543-13-128i CORPORATION ,6ARTEFi A 8 lk i ZONED 1-2-----1 2/0NED GENERALINDUSTR GENERAL , INDUSTRIAL M W v % NSW74ys #13 A 14:fORMER STORAGE 11 lllUl III DRUM w LEGEND PROPERTY BOUNIIAR, STREAM — — — — — SERVICE ROAD -H4+ffH+I+ RAILROAD . .......... GROUND ELEVATION MONITORING WELL CONTOUR M6WNv DROW-', '00 RECOVERY WELL ZONED 1-2 PIEZOMETER SPRING A [=100-YEARFLOOD-PLAIN . 5.1 //+'f 543-33-2320 GASTON COUNTY PARCEL NUMBER, NOTES: 1. TOPOGRAPHIC CONTOURS,OSTAIN ALL OTHER SITE FEATURES QSTA.A R J"xw EO --w—ok. PHOTOGRAPH Fkqll E 2 WELL AND PI ACTIVE I'D 0 V E 1 8 p -ORANDON=D —§MIUNZ;CLO EqTREATED Zi ' yam 'Zo \' - _ __. i TIa IWASTEWATER'STORAGE POND -2 NE61 /GENERNNOUtr, SwMU #3; A6T]r 130��EnC w R C A�ATE! OND --__SORU 11-CURRENT STORAGE F HAZARDOUS R PARCr a 1 \\� `\ \'\ \ `\ 'l�/l �, /t l•�/' / / /''1,1 3543-i1.7374 I '--SRANDON ALFRE Z ED ON _2 GENERAL' INDUSIOLAL PARCEL 10.1,. 3593-01-9021 GENERAL INDUSTtAL FIGURES FROM' , PREPARED SYTI 3. SWMU #3 - CURF DOMESTIOWA$l 4. SWMU #8 - CURF nir 7 SPRAYFIELD (IRF ON S. SWMU913 A SWA HAZARDOUS WAI SITE L#Q# p 'A. 4801 XqRK GASI"� A FIGURE 2, A.B. CARTER, INC. WASTEWATER IRRI AIl N SYSTEM GASTON COUNTY SITE DETAIL MAP