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Home My WebLink AboutWQ0001318_FP Att A_20150814NCDENR North Carolina Department of Environment and Natural Resources Pat McCrory Governor August 14, 2015 Roger Spach — Superintendent City of Lexington 28 West Center Street Lexington, NC 27292 Dear Mr. Spach: Donald R. van der Vaart Secretary Subject: Attachment A Certification Permit No. WQ0001318 Lexington Compost Production and Distribution Program Davidson County In accordance with your permit modification request received June 4, 2015, we are forwarding herewith modified Attachment A, certified August 14, 2015 to City of Lexington for the subject residuals program. This certification is being issued to modify Attachment A by: Addition of 2 tons of residuals from KAO of High Point, NC. This modified Attachment A shall be effective from the date of certification until December 31, 2015 on a one-time experimental basis. Thereafter, the previous Attachment A shall be effective. Please replace the Attachment A of Permit No. WQ0001318 issued on May 1, 2014, with this modified Attachment A. Please note that only the maps for any new residuals -generating sources and/or land application sites are attached to this letter. It is the Permittee's responsibility to ensure that a complete permit is created by inserting these documents into the previously issued permit. If any parts, requirements, and/or limitations contained in this certification or modified Attachment A are unacceptable, you have the right to request an adjudicatory hearing upon written request within 30 days following receipt of the certification. 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, North Carolina 27699-6714. Unless such demands are made, this permit shall be final and binding. If you need any additional information concerning this matter, please contact Troy Doby at (919) 807-6336 or troy.doby@ncdenr.gov. Non -Discharge Permitting Unit 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Phone: 919-807-64641 Internet: http:!/oortal.ncdenr.orglweplwg An Equa! Opportunity 1 Affirmative Action Employer - Made in part with recycled paper Mr. Roger Spach August 14, 2015 Page 2 of 2 Since ly, S. Jay Zimmerman, P.G., Director Division of Water Resources cc: Davidson County Health Department Winston-Salem Regional Office, Water Quality Regional Operations Section (Electronic Copy) Bob Rubin -- NCSU (Electronic Copy) Centrals Files Digital Permit Archive (Electronic Copy) ATTACHMENT A - Approved Residual Sources Certification Date: August 14, 2015 City of Lexington Effective: August 14, 2015 to December 31, 2015 Residuals Source -Generating Facility Permit Number: WQ0001318 Version: 3.1 Owner Facility Count` .Permit Biological MaximumMonitoring Dry Tons Frequency for Non- 2 Monitoring Frequency for Metals 3 Number Residuals per Year hazardous Determination and Nutrients City of Lexington Lexington Regional WWTP Davidson NCO055786 Yes 1,500 Annually Not required City of Lexington See City of Lexington Miscellaneous Waste (i.e. Davidson NCO055786 Yes footnote 6 Not required Not required its andgrease) KAO KAO Specialty Chemical Guilford - No 27 Not required Not required Company Total CIass A Residuals Product Generated for Distribution Monitoring Monitoring Monitoring Permit Biological Maximum Frequency for Frequency for Frequency for Approved Owner Facility Name County Number Residuals Dry Tons � Nan -hazardous Metals and Pathogen & Mineralization Per Year Determination Z Nutrients 3 Vector Attraction Rate Reductions Lexington Compost City of Lexington Production and Distribution Davidson WQ0001318 Yes 3,000 Annually See Table Below See Table Below 0.1 Pro am 1. Maximum Dry Tons per Year for residuals source is the amount of residuals approved for composting. Maximum Dry Tons per Year for Class A residuals is the amount of residuals product approved for distribution from the permitted facility. 2. Analyses to demonstrate that residuals are non -hazardous (i.e., TCLP, ignitability, reactivity, and corrosivity) as stipulated under permit Condition 1V.2, 3. Testing of metals and nutrients as stipulated under permit Condition N.3. 4. Analyses of pathogen and vector attraction reductions as stipulated under permit Condition IVA. 5. Monitoring frequencies are based on the actual dry tons applied per year using the table below, unless specified above. Dry Tons Generated short tons per ear Monitoring Frequency Established in 40 CFR 503 and 15A NCAC 02T .1111 <319 I /Year =>319 - <1,650 l/ Quarter 4 times per ear =>1,650 - <16,500 1/60 Days 6 times per ear —>16,500 1/month (12 times 2cr year 6. The amount is not limited; however, the Permittee shall monitor and keep records of the amount used for composting each year. 7. On an experimental basis up to 2 tons of materials from KAO specialty chemical company of High Point NC, may be amended to the residuals of the City of Lexington's composted waste. This shall occur in the time frame of August 14, 2015 to December 31, 2015. If the City of Lexington desires to make addition of this material to its residuals, the City of Lexington shall apply for a permit modification supplying the results of this experiment as part of the amendment process. Page 1 of 2 ATTACHMENT A - Approved Residual Sources Certification Date: August 14, 2015 City of Lexington Effective: January 1, 2016 to July 31, 2019 Residuals Source -Generating Facility Permit Number: WQ0001318 Version: 3.1 Owner Facility County Permit Biological Maximum Dry Tons Monitoring Frequency for Non- Monitoring Frequency for Metals Number Residuals per Year 2 hazardous Determination 3 and Nutrients City of Lexington Lexington Regional W WTP Davidson NCO055786 Yes 1,500 Annually Not required City of Lexington City of Lexington Miscellaneous Waste (i.e. Davidson NCO055786 Yes See footnote 6 Not required Not required grits andgrease) Total Class A Residuals Product Generated for Distribution Permit Biological Maximum Monitoring Frequency for Monitoring Frequency for Monitoring Frequency for Approved Owner Facility Name County Number Residuals Dry Tons Per Year z Non -hazardous Metals and Pathogen & Mineralization Determination Z Nutrients 3 Vector Attraction Rate Reductions ° Lexington Compost City of Lexington Production and Distribution Davidson WQ000I318 Yes 3,000 Annually See Table Below See Table Below O. l Pro ram 2. 3. 4. 5. 6. Maximum Dry Tons per Year for residuals source is the amount of residuals approved for composting. Maximum Dry Tons per Year for Class A residuals is the amount of residuals product approved for distribution from the permitted facility. Analyses to demonstrate that residuals are non -hazardous (i.e., TCLP, ignitability, reactivity, and corrosivity) as stipulated under permit Condition IV.2. Testing of metals and nutrients as stipulated under permit Condition IV.3. Analyses of pathogen and vector attraction reductions as stipulated under permit Condition 1VA. Monitoring frequencies are based on the actual dry tons applied per year using the table below, unless specified above. Dry Tons Generated short tons per ear Monitoring Frequency Established in 40 CFR 503 and 15A NCAC 02T .1111 <319 1/Year =>319 - <1,650 1/ Quarter 4 times per ear) =>1,650 - <16,500 1/60 Days (6 times per ear) =>16,500 1/month (12 times per ear) the amount is not limited; however, the Permittee shall monitor and keep records of the amount used for composting each year. Page 2 of 2