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HomeMy WebLinkAboutWQ0036723_Final Permit_20131007,A,4, NCDENR North Carolina Department of Environment and Natural Resources Division of Water Resources Pat McCrory Governor Miles Atkins — Mayor Town of Mooresville P.O. BOX 878 Mooresville, NC 28115 Dear Mr. Atkins: Water Quality Programs Thomas A. Reeder Director October 7, 2013 John E. Skvarla, III Secretary Subject: Permit No. WQ0036723 Rocky River WWTP Distribution of Class A Residuals Iredell County In accordance with your permit application request received August 14, 2013, we are forwarding herewith Permit No. WQ0036723 dated October 7, 2013, to the Town of Mooresville for the operatiorx of the subject residuals management program. This permit shall be effective from the date of issuance until September 30, 2018, and shall be subject to the conditions and limitations as specified therein. Please pay particular attention to the monitoring requirements listed in Attachments A. Failure to establish an adequate system for collecting and maintaining the required operational information shall result in future compliance problems. 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. If you need additional information concerning this matter, please contact Chonticha McDaniel at (919) 807-6337 or chonticha.medaniel@nedeiir.gov. Sincerely, rhomas r A. Reeder WATER QUALITY PERMITTING SECTION 1636 Mail Service Center, Raleigh, North Carolina 27699-1636 Location: 512 N. Salisbury St., Raleigh, North Carolina 27604 Phone: 919-807-64641 FAX: 919-807-6496 Internet: htt :11 ortal.ncdenr.o lweb1w An Equal Opportunity 1 Affirmative Acton Employer Mr. Atkins October 7, 2013 Page 2 of 2 cc: Iredell County Health Department Mooresville Regional Office, Water Quality Regional Operations Section Beth Buff"mgton, Public Water Supply Section — Protection and Enforcement Branch Permit File WQ0036723 Notebook File WQ0036723 NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COWMSSION DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES RALEIGH DISTRIBUTION OF CLASS A RESIDUAL SOLIDS PERMIT In accordance with the provisions of Article 2I of Chapter 143, General Statutes of North Carolina as amended, and other applicable Laws, Rules, and Regulations PERMISSION IS HEREBY GRANTED TO Town of Mooresville Iredell County FOR THE operation of a residuals management program for the Town of Mooresville and consisting of the distribution of Class A residuals generated by the approved facilities listed in Attachment A with no discharge of wastes to surface waters, pursuant to the application received August 14 , 2013, and in conformity with other supporting data subsequently filed and approved by the Department of Environment and Natural Resources and considered a part of this permit. The use and disposal of residuals are regulated under Title 40 Code of Federal Regulations Part 503. This permit does not exempt the Permittee from complying with the federal regulations. This permit shall be effective from the date of issuance until September 30, 2018, and shall be subject to the following specified conditions and Iimitations: SCHEDULES 1. No later than six months prior to the expiration of this permit, the Permittee shall request renewal of this permit on official Division forms. 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 limitations 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. 1_I. PERFORIVI&NCE STANDARDS The subject residuals management program shall be effectively inaintained 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 perform satisfactorily, including the creation of nuisance conditions due to improper operation and maintenance, the permittee shall immediately cease distribution of residuals, contact the Mooresville regional office supervisor, and take any immediate corrective actions. 2. This permit shall not relieve the Permittee of their responsibility for damages to groundwater or surface water resulting from the operation of this residuals management program. W00036723 Version 1.0 Shell Version 131016 Page I of 30 3. Only residuals generated by the facilities listed in Attachment A are approved for distribution in accordance with this permit. 4. Pollutant concentrations in residuals distributed or applied to any land application site shall not exceed the following Ceiling Concentrations or Monthly Average Concentrations (i.e., dry weight basis): Parameter Ceiling Concentration (milligrams per kilogram) Monthly Average Concentration (milligrams per kilogram) Arsenic 75 41 Cadmium 85 39 Copper 4,300 1,500 Lead 840 300 Mercury 57 17 Molybdenum 75 n/a Nickel 420 -- 420 Selenium 100 100 Zinc 7,500 2,800 5. Residuals that are distributed shall meet Class A pathogen reduction requirements in 15A NCAC 02T .1105 (a) and (b). Exceptions to this requirement shall be specified in Attachment A. b. Biological residuals (i.e. residuals generated during the treatment of domestic or animal processing wastewater, or the biological treatment of industrial wastewater, and as identified in Attachment A) that are distributed shall meet one of the vector attraction reduction alternatives in 15A NCAC 02T .1107(a). Exceptions to this requirement shall be specified in Attachment A. 7. Setbacks for land applied bulk residuals shall be as follows: * Unless otherwise noted in Attachment A, "cake" residuals are those that have greater than 15% solids by weight and can be stacked without flowing, as well as can be handled, transported and spread as a solid (e.g., using a backhoe, front end loader, slinger spreader, broadcast spreader or other equipment designed for handling solid materials) without leaving any significant liquid fraction behind. WQ0036723 Version 1.0 Shell Version 131016 Page 2 of 10 Setback by residual type Setback Description (feet) Liquid Cake* Private or public water supply 100 100 Surface waters (streams — intermittent and perennial, ____perennial waterbodies, and wetlands 100 25 Surface water diversions (ephemeral streams, 25 0 Groundwater lowering ditches (where the bettom of the ditch intersects the SHWT 25 100 0 100 Wells with exception to monitoring wells Bedrock outcrops 25 0 * Unless otherwise noted in Attachment A, "cake" residuals are those that have greater than 15% solids by weight and can be stacked without flowing, as well as can be handled, transported and spread as a solid (e.g., using a backhoe, front end loader, slinger spreader, broadcast spreader or other equipment designed for handling solid materials) without leaving any significant liquid fraction behind. WQ0036723 Version 1.0 Shell Version 131016 Page 2 of 10 Bulk residuals and other sources of Plant Available Nitrogen (PAN) shall not be applied in exceedance of agronomic rates. Appropriate agronomic rates shall be calculated using expected nitrogen requirements based on the determined Realistic Yield Expectations (RYE) using any of the following methods: a. Division's pre -approved site specific historical data for specific crop or soil types by calculating the mean of the best three yields of the last five consecutive crop harvests for each field. b. North Carolina Historical Data for specific crop and soil types as provided by North Carolina State University Department of Soil Science (htt://nutrients.soil.nesu.edpl ields/index. h ). A copy shall be kept on file and reprinted every five years in accordance with Condition IV.6. c. if the RYE cannot be determined using methods (a) or (b) above, the Permittee may use the RYE and appropriate nutrient application rates reported in any of the following documents: i. Crop management plan as outlined by the local Cooperative Extension Office, the North Carolina Department of Agriculture and Consumer Services, the Natural Resource Conservation Service, or other agronomist. ii. Waste Utilization Plan as outlined by the Senate Bill 1217 Interagency Group - Guidance Document: Chapter 1 (http://www.nq_q_gr. 100109.pd�. iii. Certified Nutrient Management Plan as outlined by the Natural Resources Conservation Services (MRCS). These plans must meet the USDA-NRCS 590 Nutrient Management Standards (ft:1/ft-fc.se.e ov.usda, ov/NHQLoractice-standards/standards/590. dfl. d. If the RYF, and appropriate nutrient application 'rates cannot be determined, the Permittee shall contact the Division to determine necessary action. 9. The Permittee shall not distribute Class A residuals that have a sodium adsorption ratio (SAR) of 10 or higher without prior written Division approval. The Permittee may seek approval by demonstrating that the entity accepting the residuals is: aware of the effects of a high SAR content; has agreed on proper residual application rates; and has agreed to operational considerations to ensure that the high SAR content will not adversely impact the receiving sites. Recommendations regarding sodium application rate, soil amendments (e -g., gypsum, etc.) or a mechanism for maintaining site integrity and conditions conducive to crop growth, can be obtained from the local Cooperative Extension Office, the Department of Agriculture and Consumer Services, the Natural Resource Conservation Service, a North Carolina Licensed Soil Scientist, or an agronomist. III. OPERATION AND MAINTENANCE REQUIREMENTS The residuals management program shall be properly maintained and operated at all tithes. The program shall be effectively maintained and operated as a non -discharge system to prevent any contravention of surface water or groundwater standards. 2. The Permittee shall maintain an approved Operation and Maintenance Pian (O&M Plan) pursuant to 15A NCAC 02T .1110. Modifications to the O&M Plan shall be approved by the Division prior to utilization of the new plan. The O&M Plan, at the minimum, shall include. a) Operational functions; b) Maintenance schedules; c) Safety measures; d) Spill response plan; WQ0036723 Version 1.0 Shell Version 13I016 Page 3 of 10 e) Inspection plan including the following information: i. Names and/or titles of personnel responsible for conducting the inspections; ii. Frequency and location of inspections, including those to be conducted by the ORC, and procedures to assure that the selected location(s) and inspection frequency are representative of the residuals management program; iii_ Detailed description of inspection procedures including record keeping and actions to be taken by the inspector in the event that noncompliance is observed pursuant to the noncompliance notification requirements under the monitoring and reporting section of the permit; f) Sampling and monitoring plan including the following information: i. Names and/or titles of personnel responsible for conducting the sampling and monitoring; ii. Detailed description of monitoring procedures including parameters to be monitored; iii. Sampling frequency and procedures to assure that representative samples are being collected. Fluctuation in temperature, flow, and other operating conditions can affect the quality of the residuals gathered during a particular sampling event. The sampling plan shall account for any foreseen fluctuations in residuals quality and indicate the most limiting times for residuals to meet pathogen and vector attraction reduction requirements (e.g. facilities that land apply multiple times per year but have an annual sampling frequency; may need to sample during winter months when pathogen reduction is most likely to be negatively affected by cold temperatures). 3. Upon the Water Pollution Control System Operators Certification Commission's (WPCSOCC) classification of the facility, the Permittee shall designate and employ a certified operator in responsible charge (ORC) and one or more certified operators as back-up ORCs in accordance with 15A NCAC 08G .0201. The ORC or their back-up shall visit the facilities in accordance with 15A NCAC 08G. 0204, or as specified in the most recently approved O&M plan (i.e., see Condition III.2), and shall comply with all other conditions of 15A NCAC 08G. 0204. For more information regarding classification and designation requirements, please contact the Division of Water Resources's Technical Assistance & Certification Unit at (919) 733-0026. 4. When the Permittee land applies bulk residuals, a copy of this permit and a copy of O&M Plan shall be maintained at the land application sites during land application activities. 5_ When the Permittee transports or land applies bulk residuals, the spill control provisions shall be maintained in all residuals transport and application vehicles. 6. When the Permittee Iand applies bulk residuals, adequate measures shall be taken to prevent wind erosion and surface runoff from conveying residuals from the land application sites onto adjacent properties or into surface waters. 7. When the Permittee land applies bulk residuals, a suitable vegetative cover shall be maintained on land application sites onto which residuals are applied in accordance with the crop management plan outlined by the lata/ Cooperative Extension Office, the Department of Agriculture and Consumer Services, the Natural Resource Conservation Service, or an agronomist and as approved by the Division. 8. Bulk residuals shall not be land applied under the following conditions: a. If the residuals are likely to adversely affect a threatened or endangered species listed under section 4 of the Endangered Species Act or its designated critical habitat; b. If the application causes prolonged nuisance conditions; c. If the Iand fails to assimilate the bulk residuals or the application causes the contravention of surface water or groundwater standards; WQ0036723 Version I.0 Shell Version 131016 Page 4 of 10 d. If the land is flooded, frozen or snow-covered, or is otherwise in a condition such that runoff of the residuals would occur; e. Within the 100 -year flood elevation, unless the bulk residuals are injected or incorporated within a 24-hour period following a residuals land application event; f. During a measurable precipitation event (i.e., greater than 0.01 inch per hour), or within 24 hours following a rainfall event of 0.5 inches or greater in a 24-hour period; g. If the slope is greater than 10% for surface applied liquid residuals, or if the slope is greater than 18% for injected or incorporated bulk liquid residuals; h. If the soil pH is not maintained at 6.0 or greater, unless sufficient amounts of lime are applied to achieve a final soil pH of at least 6.0, or if an agronomist provides information indicating that the pH of the soil, residuals and lime mixture is suitable for the specified crop. Any approved variations to the acceptable soil pH (6.0) will be noted in this permit; i_ If the land does not have an established vegetative cover unless the residuals are incorporated or injected within a 24-hour period following a residuals land application event. Any field that is in a USDA no -till program shall be exempted from meeting this vegetative cover requirement; j. If the vertical separation between the seasonal high water table and the depth of residuals application is less than one foot; k. If the vertical separation of bedrock and the depth of residuals application is less than one foot; 1. Application exceeds agronomic rates. 9. A Utilization Agreement between the Permittee and the entity agreeing to accept and distribute Class A bull: residuals shall be in place prior to distribution of the bulk residuals_ The agreement shall specify the agreeing entity's responsibilities. The Permittee or his designee and the person responsible for application of the residuals shall sign the Utilization Agreement, which shall be considered expired concurrent with the permit expiration date, and shall be renewed during the permit renewal process. 10. At a minimum, the Utilization Agreement shall stipulate the following: a. By agreeing to accept the bulk Class A residuals, it is recognized that the application of these residuals is allowed under the conditions of this agreement. Land application of Class A residuals is considered the beneficial reuse of a waste under 15A NCAC 02T .1 100, and has been deemed permitted under 15A NCAC 02T .1103(4) provided the conditions of this agreement are met. Any action resulting in damages to surface water or groundwater, caused by failure to follow the conditions of this agreement, is subject to Division enforcement action; b. The person or entity accepting the bulk Class A residuals shall to the best of their knowledge rnezt the following application requirements: i. List all prohibitions under Condition 111.8 with a statement that bulk residuals shall not be land applied under these conditions. ii. Class A residuals shall not be stockpiled for more than 30 days prier to land application; iii. Application of bulk residuals shall not occur within 100 feet of a public or private water supply source; iv. Application of bulk residuals shall not occur within 100 feet of any well, with the exception of Division approved monitoring wells; v. Application of bulk residuals shall not occur within 25 feet of surface waters. WQ0036723 Version 1.0 Shell Version 131016 Page 5 of 10 c. The generator of the Class A bulk residuals shall provide information on the proper use of the residuals, including information on the nutrient quantities within the residuals and recommended application rates. A copy of the label or information sheet attached to bags or other containers, as specified in the labeling requirements under Condition Hl. 12, is sufficient; d. The applicator or party accepting bulk residuals from the Permittee shall supply all third parties receiving bulk residuals with documentation specifying that application shall occur consistent with the utilization agreement; e. Instructions, including contact information for key personnel, shall be provided to the applicator or party receiving bulk residuals in the event that any requirements specified in the utilization agreement are not met. £ A copy of the Utilization Agreement shall be maintained at the land application sites when bulk residuals are being applied. 11. All residuals shall be adequately stored to prevent untreated leachate runoff. The finished product may be placed on a concrete pad, placed under shelter or physically covered until it is distributed to the buyer. If an alternate storage site is used, approval must be obtained from the Division. 12. A label shall be affixed to the bag or other container in which residuals are sold or given away for land application, or an information sheet shall be provided to the person who receives Class A residuals. At a minimum, the label or information sheet shall contain the following: a. The name and address of the person who prepared the residuals; b. A statement that residual land application is prohibited except in accordance with the instructions on the label or information sheet; c. A statement identifying that this material shall be prevented from entering any public or private water supply source (including wells) and any surface water (e.g., stream, lake, river, wetland, etc.); d. A statement that the residuals shall be applied at agronomic rates and recommended rates for its intended use. 13. The Permittee shall not distribute bulk residuals to any person or entity known to be applying residuals contrary to the condition of the signed Utilization Agreement. IV. MONITORING AND REPORTING REOUIREIVIENTS I. Any Division required monitoring (including groundwater, plant tissue, soil and surface water analyses) necessary to ensure groundwater and surface water protection shall he established, and an acceptable sample reporting schedule shall be followed. 2. Residuals shall be analyzed to demonstrate they are non -hazardous under the Resource Conservation and Recovery Act (RCRA). The analyses (corrosivity, ignitability, reactivity, and toxicity characteristic leaching procedure (TCLP)] shall be performed at the frequency specified in Attachment A, and the Permittee shall maintain these results for a minimum of five years. Any exceptions from the requirements in this condition shall be specified in Attachment A. WQ0036723 Version 1.0 Shell Version 131016 Page 6 of 10 The TCLP analysis shall include the following parameters (the regulatory level in milligrams per liter is in parentheses): Arsenic (5.0) 1,4 -Dichlorobenzene (7.5) Nitrobenzene (2.0) Barium (100.0) 1;2-Dichloroethane (0.5) Pentachlorophenol (100.0) Benzene (0.5) 1, 1 -Dichloroethylene (0.7) Pyridine (5.0) Cadmium (1.0) 2,4-Dinitrotoluene (0.13) Selenium (1.0) Carbon tetrachloride (0.5) Endrin (0.02) Silver (5A) Chlordane (0.03) Hexachlorobenzene (0.13) Tetrachloroethylene (0.7) Chlorobenzene (100.0) Heptachlor (and its hydroxide) (0.008) Toxaphene (0.5) Chloroform (6.0) Hexachloro-1,3-butadiene (0.5) Trichloroethylene (0.5) Chromium (5.0) Hexachloroethane (3.0) 2,4,5 -Trichlorophenol (400.0) m -Cresol (200.0) Lead (5.0) 2,4,6 -Trichlorophenol (2.0) o -Cresol (200.0) Lindane (0.4) 2,4,5 -TP (Silvex) (1A) p -Cresol (200.0) Mercury (0.2) Vinyl chloride (0.2) Cresol (200.0) Methoxychlor (10.0) 2,4-D (10.0) Methyl ethyl ketone (200.0) Once the residuals have been monitored for two years at the frequency specified in Attachment A, the Permittee may submit a permit modification request to reduce the frequency of this monitoring requirement. In no case shall the monitoring frequency be less than once per permit cycle. 3. An analysis shall be conducted on the Class A residuals at the frequency specified in Attachment A, and the Permittee shall maintain the results for a minimum of five years. The analysis shall include the following parameters: Aluminum Mercury Potassium Ammonia -Nitrogen Molybdenum Selenium Arsenic Nickel Sodium Cadmium Nitratc-Nitrite Nitrogen Sodium Adsorption. Ratio (SAR) Calcium Percent Total Solids TKN Copper pH Zinc Lead Phosphorus Magnesium plant Available Nitrogen (by calculation) 4. Residuals shall be monitored for compliance with pathogen and vector attraction reduction requirements at the frequency specified in Attachment A, and at the time indicated in the sampling and monitoring sections of the approved O&M plan. The required data shall be specific to the stabilization process utilized, and sufficient to demonstrate compliance with the Class A pathogen reduction requirements in 15A NCAC 02T .1106 (a) and (b), and one vector attraction reduction requirement in 15A NCAC 02T .1107 (a) shall be met. Any exceptions from the requirements in this condition shall be specified in Attachment A. WQ0036723 Version 1.0 Shell Version 131016 Page 7 of 10 5. Laboratory parameter analyses shall be performed on the residuals as they are distributed, and shall be in accordance with the monitoring requirements in 15A NCAC 02B .0505. 6. The Permittee shall maintain records tracking all bulk residual distribution or land application events performed by the Permittee. At a minimum, these records shall include the following: a. Source of residuals; b. Date of distribution/land application; c. Name and address of recipient of residuals; d. Volume of residuals distributed to each recipient; e. Intended use of residuals; f. If land application events performed by the Permittee - Nitrogen Application Rate based on RYEs (if using data obtained from the North Carolina State University Department of Soil Science Website, the printout page shall be kept on file and reprinted every five years). 7. Three copies of an annual report shall be submitted on or before March I". The annual report shall meet the requirements described in the Instructions for Residuals Application Annual Reporting Forms. Instructions for reporting and annual report forms are available at http://i)ortal.nedenr.or,a/web/w /a s/lau/re ortin , or can be obtained by contacting the Land Application Unit directly_ The annual report shall be submitted to the following address: Division of Water Resources Information Processing Unit 1617 Mail Service Center Raleigh, North Carolina 27699-1617 8. Noncompliance Notification The Permittee 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 knowledge of the occurrence of any of the following: a. Any occurrence with the distribution program resulting in the land application of significant amounts of wastes that are abnormal in quantity or characteristic_ b. Any failure of the distribution program resulting in a release of material to surface waters. Any time self-monitoring indicates the facility has gone out of compliance with its permit limitations. d. Any process unit failure, due to known or unknown reasons, rendering the facility incapable of adequate residual treatment. e. Any spill or discharge from a vehicle or piping system during residuals transportation. 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 that the problem does not recur. WQ0036723 Version 1.0 Shelf Version 131016 Page 8 of 10 V. INSPECTIONS 1. The Permittee shall provide adequate inspection and maintenance to ensure proper operation of the subject facilities and shall be in accordance with the approved O&M Plan. 2. Prior to each bulk residuals land application event, the Permittee or his designee shall inspect the residuals storage, transport and application 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 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 land application sites or 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 terms 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 residuals land application events are not carried out in accordance with the conditions of this permit. 3. This permit is effective only with respect to the nature and volume of residuals described in the permit application and other supporting documentation. 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 the Division's 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. 5. In the event the residuals program changes 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 documentation from the parties involved and other supporting documentation as necessary. The Permittee of record small retrain fully responsible for maintaining and operating the residuals program permitted herein until a permit is issued to the new owner. 6. This permit 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. 7. Unless the Division Director grants a variance, expansion of the permitted residuals program contained herein shall not be granted if the Permittee exemplifies any of the criteria in 15A NCAC 02T .0120(b). WQ0036723 Version 1.0 Shell Version 131016 Page 9 of 10 8. The Permittee shall pay the annual fee within 30 days after being billed by the Division. Failure to pay the annual fee accordingly shall be cause for the Division to revoke this permit pursuant to 15A NCAC 02T .0105(e)(3). Permit issued this the 7h day of October 2013 NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION r �wr hom A. Reeder, Director Division of Water Resources By Authority of the Environmental Management Commission Permit Number WQ0036723 WQ0036723 Version 1.0 Shell Version 131016 Page 10 of 10 ATTACH1raENT A - Approved Residual ,Sources Town of Mooresville Certification Date: October 7, 2013 Permit Number: WQ0036723 Version: 1.0 1. Maximum Dry Tons per Year is the amount of residuals approved for distribution from each permitted facility. 2. Analyses to demonstrate that residuals are non -hazardous (i.e., TCLP, ignitability, reactivity, and corrosivity) as stipulated under permit Condition IV,2. 3, Testing of metals and nutrients as stipulated under permit Condition IV.3, 4. Analyses of pathogen and vector attraction reductions as stipulated under permit Condition IVA. Permit application indicated that Heat Drying will be performed to meet pathogen reduction requirements, and drying of stabilized residuals will be performed to meet vector attraction reductions. However, other methods listed under 15A NCAC 02T .1106(b) and .1107(a) can also be used to demonstrate compliance with this permit requirement. 5. Monitoring frequencies are based on the actual dry tons applied per year using the table below, unless specified above. Dry Tons Generated Monitoring Frequency short tons per ear Established in 40 CFR 503 and 15A NCAC 02T.1111) <319 _ 1/Year =319 - <1,650 1/ Quarter 4 times per ear Maximum Monitoring Monitoring Monitoring Frequency for Approved Owner q. Faci'jty Name County Permit Number Biological Residuals Dry Tons Frequency for Non -hazardous Frequency for Metals and Pathogen & Mineralization Per Year Characteristics Nutrients Vector Attraction Rate Reductions 4,5 Town of Mooresville Rocky River WWTP Iredell NC0046728 Yes 900 Annually See Table Below See Table Below 0.30 Total 1. Maximum Dry Tons per Year is the amount of residuals approved for distribution from each permitted facility. 2. Analyses to demonstrate that residuals are non -hazardous (i.e., TCLP, ignitability, reactivity, and corrosivity) as stipulated under permit Condition IV,2. 3, Testing of metals and nutrients as stipulated under permit Condition IV.3, 4. Analyses of pathogen and vector attraction reductions as stipulated under permit Condition IVA. Permit application indicated that Heat Drying will be performed to meet pathogen reduction requirements, and drying of stabilized residuals will be performed to meet vector attraction reductions. However, other methods listed under 15A NCAC 02T .1106(b) and .1107(a) can also be used to demonstrate compliance with this permit requirement. 5. Monitoring frequencies are based on the actual dry tons applied per year using the table below, unless specified above. Dry Tons Generated Monitoring Frequency short tons per ear Established in 40 CFR 503 and 15A NCAC 02T.1111) <319 _ 1/Year =319 - <1,650 1/ Quarter 4 times per ear =X1,650 - <16,500 1160 Days (6 time^ per year) If no land application events occur during a required sampling Period (e.g. no land application occur during an entire year when annual monitoring is required), then no sampling data is required during the period of inactivity. The annual report shall include an explanation for missing sampling data. Those required to submit the annual report to EPA may be required to make up the missed sampling, contact the EPA for additional information and clarification. Page 1 of 1