Loading...
HomeMy WebLinkAboutNC0021547_Pretreatment IUP Renewal Application_20210315Macon County Solid Waste Management Depar tment March 15, 2021 Mr. Bill Deal; ORC Town of Franklin – WWTP 399 Sierra Drive Franklin, NC 28734 Mr. Deal: Please accept the following application in request of renewal of the Macon County Industrial User Pretreatment Permit (IUP) #0.0002. The purpose of this request is to allow Macon County to continue to discharge leachate from the MSW Landfill into the Town of Franklin sanitary sewer collection system. If you have any questions or require additional information regarding this permit renewal, please contact me at your convenience. Sincerely, Michael C Stahl M. Chris Stahl Macon County Director of Solid Waste Management CC: Derek Roland, Macon County Manager Summer Woodard, Town of Franklin Manager Lee Hill, NC DEQ; Solid Waste Section Macon County Department of Solid Waste Management 109 Sierra Drive, Franklin, North Carolina 28734 Phone: (828) 349-2100; Fax: (828) 349-2185 Email: cstahl@maconnc.org Industrial User Wastewater Survey & Permit Application Title: IU Wastewater Survey & Permit Application File name: https://ncconnect-my.sharepoint.com/personal/lauren_armeni_ncdenr_gov/Documents/Misc/IUP Application 2021-3.docx Revision date: 12/30/97 Page 1 of 20 COVER PAGE Company Name: Macon County Solid Waste Name of responsible person on site at the facility authorized to represent the company in official dealings with the Sewer Authority and/or the City. Michael C. Stahl Name of alternative on site person familiar with the day to day operations, environmental permitting requirements, monitoring, record keeping, and data management.. June Cassada Title Director of Solid Waste Management Years with firm 19 Title Solid Waste Business Manager Years with firm 22 Phone # 828-349-2100 Fax # 828-349-2185 Phone # 828-349-2215 Fax # 828-349-2185 Physical street address of facility Official mailing address, if different. Note if same. 1448 Lakeside Drive 109 Sierra Drive City Franklin State NC Zip 28734 City Franklin State NC Zip 28734 The information provided by you on this questionnaire serves two functions: 1. The information is used to determine if your facility needs an Industrial User Pretreatment Permit (IUP) for the discharge of wastewater to the local sewer. 2. If an Industrial User Pretreatment Permit (IUP) is required, this survey serves as the application for an Industrial User Pretreatment Permit (IUP). Requests for confidential treatment of information provided on this form shall be governed by procedures specified in 40 CFR Part 2. In accordance with Title 40 of the Code of Federal Regulations Part 403, Section 403.14 and the Local Sewer Use Ordinance (SUO), information and data provided in this questionnaire which identifies the content, volume and frequency of discharge shall be available to the public without restriction. This is to be signed by an authorized official of your firm, as defined in the Local Sewer Use Ordinance or the NC Model Sewer Use Ordinance, Section 1.2, after completion of this form. I 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 upon 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 of fine and/or imprisonment for knowing violations. Signature of Authorized Representative listed above (seal if applicable) Date Industrial User Wastewater Survey & Permit Application Title: IU Wastewater Survey & Permit Application File name: https://ncconnect-my.sharepoint.com/personal/lauren_armeni_ncdenr_gov/Documents/Misc/IUP Application 2021-3.docx Revision date: 12/30/97 Page 2 of 20 1. Provide a brief narrative description of the type of business, manufacturing processes, or service activities your firm conducts at this site. Municipal Solid Waste Landfill 2. List the primary products produced at this facility: MSW Landfill Leachate 3. List raw materials and process additives used: Municipal Solid Waste; Construction and Demolition Waste 4. Are biocides added to any water discharged to the POTW, if yes describe: Yes No X 5. Describe weekly production schedule, including shifts worked per day, employees per shift, and primary operation during shift. Waste accepted: 7:30 am – 4:30 pm; Monday through Friday 8:00 am – 2:00 pm; Saturday 6. Production process is: Check, if all continuous X Check, if all batch If both please enter, % continuous = % % Batch = % Industrial User Wastewater Survey & Permit Application Title: IU Wastewater Survey & Permit Application File name: https://ncconnect-my.sharepoint.com/personal/lauren_armeni_ncdenr_gov/Documents/Misc/IUP Application 2021-3.docx Revision date: 12/30/97 Page 3 of 20 7. Does production vary significantly (+- 20 %) by season. Describe. Yes X Seasonal variations in rainfall. No 8. Are any significant (+- 20 %) changes in production that will affect wastewater discharge expected in the next 5 years. If yes, please describe. Yes X Rainfall dependent. Production will fall as additional No waste is added to landfill; especially as fill progression extends above grade. 9. List all current waste haulers. Give name, address, phone numbers, volume and materials hauled off. N/A. 10. Attach a copy of laboratory analyses performed in the last year on the wastewater discharge(s) from your facilities. Summarize data on the attached Data Summary Form. Attached. 11. Attach sketch or schematic showing sampling points and all connections to the sewer. Attached. 12. Complete the Wastewater Pollutants Checklist attached to this Survey. See survey. Industrial User Wastewater Survey & Permit Application Title: IU Wastewater Survey & Permit Application File name: https://ncconnect-my.sharepoint.com/personal/lauren_armeni_ncdenr_gov/Documents/Misc/IUP Application 2021-3.docx Revision date: 12/30/97 Page 4 of 20 13. Do you have, or have you ever applied for, been issued, or been denied an NPDES permit to discharge to the surface waters or storm sewers of North Carolina? If yes, list all other NPDES permits, permit numbers, dates, and names used to apply for them, or reason denied. If yes: Permit , #, date, applicant name NCG120083; 11/13/2009; Macon County Yes X If yes: Permit , #, date, applicant name No 14. Do you have, or have you ever applied for or been issued an Industrial User Pretreatment Permit (IUP) to discharge wastewater to the sewer collection system. If yes, list all other IUP permits, permit numbers, dates, and names used to apply for them. If yes: Permit , #, date, applicant name IUP Permit #: 0002 Yes X If yes: Permit , #, date, applicant name No 15. Do you have, or have you ever applied for or been issued any other Environmental Permits (for example; air, RCRA, groundwater, stormwater, general, Non-Discharge, septic tank, etc.). If yes, list all other permits, permit numbers, dates, and names used to apply for them. If yes: Permit type, #, date, applicant name Non-discharge: WQ0005075; 12/10/1992; Macon County. Yes X If yes: Permit type, #, date, applicant name No If yes: Permit type, #, date, applicant name 16. Is a Spill Prevention Control and Countermeasure (SPCC) Plan prepared for this facility? Yes No X 17. Is a Spill /Slug Control Plan required by the POTW, prepared for this facility? Yes No X Industrial User Wastewater Survey & Permit Application Title: IU Wastewater Survey & Permit Application File name: https://ncconnect-my.sharepoint.com/personal/lauren_armeni_ncdenr_gov/Documents/Misc/IUP Application 2021-3.docx Revision date: 12/30/97 Page 5 of 20 18. Do you have any underground storage tanks at your facility? If yes, list contents and volume of each tank. Yes No X 19. Do you have any above ground storage tanks at your facility? If yes, for each tank, list the contents, volume, whether the tank has any spill prevention or containment devices, such as dikes, and procedures for draining any containment devices. Yes X # of Tanks 2 No Leachate Storage Tanks: Tank 1: 1,100 gallon; Tank 2: 800 gallon. The tanks are for storage of excess leachate. Spillage from the tanks would drain directly back into the leachate pond. Title: IU Wastewater Survey & Permit Application File name: https://ncconnect-my.sharepoint.com/personal/lauren_armeni_ncdenr_gov/Documents/Misc/IUP Application 2021-3.docx Revision date: 12/30/97 Page 6 of 20 Industrial User Wastewater Survey & Permit Application PART II, Water Supply, Use, & Disposal Worksheet: Water Used for: Water Source(s) Avg. gal/day Max. gal/day M e a s u re d E st i m at e d Disposal Method(s) Avg. gal/day Max. gal/day M e a s u re d E st i m at e d (see Source List below) (see Disposal List below) 1. Process water 2. Washdown water 3. Water into product 4. Air Quality Permitted units 5. Domestic - toilets, drinking, cafe 6. Cooling water, Process NON-Contact 7. Boiler / Cooling tower blowdown 8. Cooling water, HVAC 9. Other: Landfill Leachate 16,940 40,000 X 1. San. Sewer, w/ pre. 16,940 40,000 X Totals => 16,940 40,000 Totals => 16,940 40,000 Typical Water Sources: Possible Water Disposal Methods 1. City / Public supply 1. Sanitary sewer, with pretreatment 2. Private wells, drinking 2. Sanitary sewer, without pretreatment 3. Groundwater remediation wells 3. Storm sewer 4. Private ponds 4. Surface waters of NC 5. Surface waters of NC, please identify 5. Evaporation 6. Include others if applicable 6. Land applied 7. To groundwater 8. Septic Tank 9. Waste Haulers (identify) 10. Water into Product 11. Include others, if applicable Title: IU Wastewater Survey & Permit Application File name: https://ncconnect-my.sharepoint.com/personal/lauren_armeni_ncdenr_gov/Documents/Misc/IUP Application 2021-3.docx Revision date: 12/30/97 Page 7 of 20 PART III, PRETREATMENT FACILITIES: Are there any pretreatment devices or processes used for treating wastewater before being discharged to the sewer? Check all that are present, and describe. No pretreatment facilities => 1. Flow equalization Aerated equalization => NON-Aerated equalization => Total volume of equalization (million gal.) => 2. Activated Carbon Yes No Describe any, if present. 3. Activated Sludge Yes No 4. Air Stripping Yes No 10) Aeration pumps located in 5. Centrifugation Yes No the leachate pond. 6. Chemical Precipitation Yes No 11) Leachate passes through 7. Chlorination Yes No waste; cover soil, and a 8. Cyanide Destruction Yes No 2-foot sand layer in the 9. Cyclone Yes No landfill prior to discharge. 10. Dissolved Air Floatation Yes X No 11. Filtration Yes X No 12. Flocculation Yes No 13. Grease Trap Yes No 14. Grit Removal Yes No 15. Ion Exchange Yes No 16. Neutralize, pH adjust Yes No 17. Other Biological Treatment Yes No 18. Ozonation Yes No 19. Reverse Osmosis Yes No 20. Screening Yes No 21. Sedimentation Yes No 22. Septic Tank Yes No 23. Silver Recovery Yes No 24. Solvent Separation Yes No 25. Spill protection Yes No List any others. Title: IU Wastewater Survey & Permit Application File name: https://ncconnect-my.sharepoint.com/personal/lauren_armeni_ncdenr_gov/Documents/Misc/IUP Application 2021-3.docx Revision date: 12/30/97 Page 8 of 20 PART IV, CATEGORICAL INFORMATION: 1. When were operations started at this facility Facility start up date May 1991 2. List all Standard Industrial Classification (SIC) codes for your facility. These may be found on State Unemployment forms, tax forms, accounting records, or from the Chamber of Commerce. 4953 3. Has this facility ever been considered a Categorical Industrial User (CIU) as described by the Code of Federal Regulations (40 CFR)? If yes, give complete 40 CFR number => No X 4. Are any other facilities owned and/or operated by your company permitted as Categorical Industrial Users (CIUs) as described by the Code of Federal Regulations (40 CFR)? If yes please give name(s), location, and 40 CFR number. Yes No X Title: IU Wastewater Survey & Permit Application File name: https://ncconnect-my.sharepoint.com/personal/lauren_armeni_ncdenr_gov/Documents/Misc/IUP Application 2021-3.docx Revision date: 12/30/97 Page 9 of 20 PART IV, CATEGORICAL INFORMATION: (continued) 5. Check any activities listed below that are performed at your facility: Check below 40 CFR# Industrial Activity Check below 40 CFR# Industrial Activity 467 Aluminum Forming 432 Meat products 427 Asbestos Manufacturing 433 Metal finishing 461 Battery Manufacturing 464 Metal molding and casting 431 Builders paper & board mills 436 Mineral mining and processing 407 Canned & preserved fruits & veg. 471 Nonferrous Metal, Form & Powders 408 Canned & preserved seafood 421 Nonferrous Metals Manufacturing 458 Carbon black Manufacturing 414 OCPSF, Organic Chemicals, Plastics, 411 Cement Manufacturing & Synthetic Fiber Manufacturing 437 Centralized Waste Treatment 435 Oil & gas extraction 434 Coal Mining 440 Ore mining and dressing 465 Coil Coating 446 Paint formulating 468 Copper Forming 443 Paving and roofing materials Mfg. 405 Dairy products processing 455 Pesticide Manufacturing 469 Electrical, electronic components 419 Petroleum Refining 413 Electroplating 439 Pharmaceutical Manufacturing 457 Explosives Manufacturing 422 Phosphate Manufacturing 412 Feedlots 459 Photographic supplies 424 Ferro allay Manufacturing 463 Plastics molding and forming 418 Fertilizer Manufacturing 466 Porcelain enameling 464 Foundries, Metal Mold & Casting 430 Pulp, paper, and paperboard 426 Glass Manufacturing 428 Rubber Manufacturing 406 Grain mills 417 Soap & Detergent Manufacturing 454 Gum & Wood Chemicals Mfg. 423 Steam Electric power Generation 460 Hospitals 409 Sugar processing 447 Ink formulating 410 Textile Mills 415 Inorganic chemical Manufacturing 429 Timber products processing 420 Iron & Steel Manufacturing 442 Transportation Equipment Cleaning 425 Leather Tanning & Finishing X Others Municipal Solid Waste Landfill. Title: IU Wastewater Survey & Permit Application File name: https://ncconnect-my.sharepoint.com/personal/lauren_armeni_ncdenr_gov/Documents/Misc/IUP Application 2021-3.docx Revision date: 12/30/97 Page 10 of 20 Wastewater Pollutant Checklist Chemical Name EPA Storet Code Check if Present at Facility Check if Absent at Facility Check if Present in Discharge Check if Absent in Discharge Concentration in Discharge, if Known (mg/l) Acid Extractable Organics 2-Chlorophenol 34586  2,4-Dichlorophenol 34601  2,4-Dimethylphenol 34606  2,4-Dinitrophenol 34616  2-Methyl-4,6-dinitrophenol 34657  4-Chloro-3-methylphenol 34452 NSF 2-Nitrophenol 34591  4-Nitrophenol 34646  Pentachlorophenol 39032  Phenol 34694  2,4,6-Trichlorophenol 34621  Base Neutral Organics 1,2,4-Trichlorobenzene 34551  1,2-Dichlorobenzene 34536  1,2-Diphenylhydrazine 34346  1,3-Dichlorobenzene 34566  1,4-Dichlorobenzene 34571  2,4-Dinitrotoluene 34611  2,6-Dinitrotoluene 34626  2-Chloronaphthalene 34581  3,3-Dichlorobenzidine 34631  4-Bromophenyl phenyl ether 34636  4-Chlorophenyl phenyl ether 34641  Acenaphthene 03405  Acenaphthylene 34200  Anthracene 34220  Benzidine 39120  Benzo (a) anthracene 34526  Benzo (a) pyrene 34247  Benzo (b) fluoranthene 34230  Benzo (ghi) perylene 34521  Benzo (k) fluoranthene 34242  Bis(2-chloroethoxy) methane 34278  Bis(2-chloroethyl) ether 34273  Bis(2-chloroisopropyl) ether 34283 NSF Bis(2-ethylhexyl) phthalate 39100  Butyl benzyl phthalate 34292  Chrysene 34320  Di-n-butyl phthalate 39110  Title: IU Wastewater Survey & Permit Application File name: https://ncconnect-my.sharepoint.com/personal/lauren_armeni_ncdenr_gov/Documents/Misc/IUP Application 2021-3.docx Revision date: 12/30/97 Page 11 of 20 Wastewater Pollutant Checklist Chemical Name EPA Storet Code Check if Present at Facility Check if Absent at Facility Check if Present in Discharge Check if Absent in Discharge Concentration in Discharge, if Known (mg/l) Base Neutral Organics (continued) Di-n-octyl phthalate 34596  Dibenzo (a,h) anthracene 34556  Diethyl phthalate 34336  Dimethyl phthalate 34341  Fluoranthene 34376  Fluorene 34381  Hexachlorobenzene 39700  Hexachlorobutadiene 34391  Hexachlorocyclopentadiene 34386  Hexachloroethane 34396  Indeno(1,2,3-cd) pyrene 34403  Isophorone 34408  N-nitroso-di-n-propylamine 34428  N-nitrosodimethylamine 34438  N-nitrosodiphenylamine 34433  Naphthalene 34696  Nitrobenzene 34447  Phenanthrene 34461  Pyrene 34469  Metals Aluminum 01104 NSF Antimony 01097 NSF Arsenic 01002 NSF Beryllium 01012 NSF Cadmium 01027  Chromium 01034  0.016 Copper 01042  0.003 Lead 01051  Mercury 71900  Molybdenum 01062 NSF Nickel 01067  0.034 Selenium 01147 NSF Silver 01077  Thalium 00982 NSF Title: IU Wastewater Survey & Permit Application File name: https://ncconnect-my.sharepoint.com/personal/lauren_armeni_ncdenr_gov/Documents/Misc/IUP Application 2021-3.docx Revision date: 12/30/97 Page 12 of 20 Zinc 01092  0.037 Wastewater Pollutant Checklist Chemical Name EPA Storet Code Check if Present at Facility Check if Absent at Facility Check if Present in Discharge Check if Absent in Discharge Concentration in Discharge, if Known (mg/l) Other Inorganics Barium 01007 NSF Chloride 00940 NSF Cyanide 00720  Fluoride 00951 NSF Purgeable Volatile Organics 1,1,1-Trichloroethane 34506  1,1,2,2-Tetrachloroethane 34516  1,1,2-Trichloroethane 34511  1,1-Dichloroethane 34496  1,1-Dichloroethylene 34501  1,2-Dichloroethane 34531  1,2-Dichloropropane 34541  2-Chloroethyl vinyl ether 34576  Acrolein 34210  Acrylonitrile 34215  Benzene 34030  Bromodichloromethane 32101  Bromoform 32104  Bromomethane 34413  Carbon tetrachloride 32102  Chlorobenzene 34301  Chloroethane 34311  Chloroform 32106  Chloromethane 34418  cis 1,3-Dichloropropene 34704  Dibromochloromethane 32105  Ethylbenzene 34371  Methylene chloride 34423  Tetrachloroethylene 34475  Toluene 34010  3.9 trans 1,3-Dichloropropene 34699  trans-1,2-Dichloroethylene 34546  Trichloroethylene 39180  Trichlorofluoromethane 34488 NSF Vinyl chloride 39175  Others Xylene NSF Title: IU Wastewater Survey & Permit Application File name: https://ncconnect-my.sharepoint.com/personal/lauren_armeni_ncdenr_gov/Documents/Misc/IUP Application 2021-3.docx Revision date: 12/30/97 Page 13 of 20 Title: IU Wastewater Survey & Permit Application File name: https://ncconnect-my.sharepoint.com/personal/lauren_armeni_ncdenr_gov/Documents/Misc/IUP Application 2021-3.docx Revision date: 12/30/97 Page 14 of 20 Data Summary Form Town of Franklin <= Receiving POTW 0021547 <= Receiving NPDES # 0002 <= Specific Sample Location! i.e., Give IU Name, IUP#, and/or pipe# BOD TSS Ammonia Lab => Laboratory performing analysis => MDL => Laboratory Method Detection Limits => Notes => Notes => Q = Flow Sample ID, or Count Date Sample Collected Notes about Sample M = Metered E = Estimated Conc. Results from Lab Conc. Results from Lab Conc. Results from Lab mgd gal/day <? mg/l <? mg/l <? mg/l 1 2/11/2020 M 24600 29.4 32.9 N/A 2 10/22/2020 M 4200 121.2 112.5 N/A 3 N/A 4 N/A 5 6 7 8 9 10 11 12 etc TNS => Total number of samples => 2 2 N/A Max. value => Maximum data value (mg/l) => 121.2 112.5 N/A Title: IU Wastewater Survey & Permit Application File name: https://ncconnect-my.sharepoint.com/personal/lauren_armeni_ncdenr_gov/Documents/Misc/IUP Application 2021-3.docx Revision date: 12/30/97 Page 15 of 20 Avg. (use 1/2 BDL) => Avg. data value, Include BDL values as 1/2 detection limit => 72.7 N/A Data Summary Form Town of Franklin <= Receiving POTW 0021547 <= Receiving NPDES # 0002 <= Specific Sample Location! i.e., Give IU Name, IUP#, and/or pipe # Arsenic Copper Chromium Cadmium COD Copper Lab => MDL => Notes => Sample ID or Count Date Sample Collected Conc. Results from Lab Conc. Results from Lab Conc. Results from Lab Conc. Results from Lab Conc. Results from Lab Conc. Results from Lab <? mg/l <? mg/l <? mg/l <? mg/l <? mg/l <? mg/l 1 2/11/2020 N/A 0.022 0.006 < 0.001 N/A 0.022 2 10/22/2020 N/A 0.003 0.016 < 0.001 N/A 0.003 3 4 5 6 7 8 9 10 11 12 etc Title: IU Wastewater Survey & Permit Application File name: https://ncconnect-my.sharepoint.com/personal/lauren_armeni_ncdenr_gov/Documents/Misc/IUP Application 2021-3.docx Revision date: 12/30/97 Page 16 of 20 TNS => N/A 2 2 2 N/A 2 Max. Value => N/A 0.022 0.016 <0.001 N/A 0.022 Avg. (use1/2 BDL) => N/A 0.0125 0.011 0.0005 N/A 0.0125 Data Summary Form Town of Franklin <= Receiving POTW 0021547 <= Receiving NPDES # 0002 <= Specific Sample Location! i.e., Give IU Name, IUP#, and/or pipe # Cyanide Lead Mercury Nickel Silver Zinc Lab => MDL => Notes => Sample ID or Count Date Sample Collected Conc. Results from Lab Conc. Results from Lab Conc. Results from Lab Conc. Results from Lab Conc. Results from Lab Conc. Results from Lab <? mg/l <? mg/l <? mg/l <? mg/l <? mg/l <? mg/l 1 2/11/2020 < 0.005 < 0.005 < 0.00020 0.091 < 0.001 0.055 2 10/22/2020 < 0.005 < 0.002 < 0.00020 0.034 < 0.001 0.037 3 4 5 6 7 8 9 10 11 12 Title: IU Wastewater Survey & Permit Application File name: https://ncconnect-my.sharepoint.com/personal/lauren_armeni_ncdenr_gov/Documents/Misc/IUP Application 2021-3.docx Revision date: 12/30/97 Page 17 of 20 etc TNS => 2 2 2 2 2 2 Max. Value => <0.005 <0.005 <0.0002 0.091 <0.001 0.055 Avg. (use1/2 BDL) => 0.0025 0.0025 0.0001 0.0625 0.0005 0.046 Data Summary Form Town of Franklin <= Receiving POTW 0021547 <= Receiving NPDES # 0002 <= Specific Sample Location! i.e., Give IU Name, IUP#, and/or pipe # Oil & Grease Other Other Other Other Other Lab => MDL => Notes => Sample ID or Count Date Sample Collected Conc. Results from Lab Conc. Results from Lab Conc. Results from Lab Conc. Results from Lab Conc. Results from Lab Conc. Results from Lab <? mg/l <? mg/l <? mg/l <? mg/l <? mg/l <? mg/l 1 2/11/2020 < 5.0 2 10/22/2020 5.6 3 4 5 6 7 8 9 10 Title: IU Wastewater Survey & Permit Application File name: https://ncconnect-my.sharepoint.com/personal/lauren_armeni_ncdenr_gov/Documents/Misc/IUP Application 2021-3.docx Revision date: 12/30/97 Page 18 of 20 11 12 etc TNS => 2 Max. Value => 5.6 Avg. (use1/2 BDL) => 2.8 Industrial User Wastewater Survey & Permit Application Title: IU Wastewater Survey & Permit Application File name: https://ncconnect-my.sharepoint.com/personal/lauren_armeni_ncdenr_gov/Documents/Misc/IUP Application 2021-3.docx Revision date: 12/30/97 Page 19 of 21 Industrial User Wastewater Survey & Permit Application Title: IU Wastewater Survey & Permit Application File name: https://ncconnect-my.sharepoint.com/personal/lauren_armeni_ncdenr_gov/Documents/Misc/IUP Application 2021-3.docx Revision date: 12/30/97 Page 20 of 21 Part V, Waste Reduction Information : State Pretreatment Rule 15A NCAC 2H.0916 (c)(1)(M) requires Significant Industrial Users to include a description of current and projected waste reduction (pollution prevention) activities. The codes listed are standard EPA codes found on Toxic Release Inventory and other environmental forms. Please check all applicable codes for your facility related to wastewater discharge. Current Projected Code Description W13 Improved maintenance scheduling recordkeeping, or procedures W14 Changed production schedule to minimize equipment and feedstock changeovers W19 Other changes in operating practices (explain briefly in comments) W21 Instituted procedures to ensure that materials do not stay in inventory beyond shelf-life W22 Began to test outdated material-continue to use if still effective W23 Eliminated shelf-life requirements for stable materials W24 Instituted better labeling procedures W25 Instituted clearinghouse to exchange materials that would otherwise be discarded W29 Other changes in Inventory control (explain briefly in comments) W31 Improved storage or stacking procedures W32 Improved procedures for loading, unloading and transfer operations W33 Installed overflow alarms or automatic shutoff valves W34 Installed secondary containment W35 Installed vapor recovery systems W36 Implemented inspection or monitoring program of potential spill or leak sources W39 Other spill and leak prevention (explain briefly in comments) W41 Increased purity of raw materials W42 Substituted raw materials W49 Other raw material modifications (explain briefly in comments) W51 Instituted recirculation within a process W52 Modified equipment, layout, or piping W53 Use of a different process catalyst Industrial User Wastewater Survey & Permit Application Title: IU Wastewater Survey & Permit Application File name: https://ncconnect-my.sharepoint.com/personal/lauren_armeni_ncdenr_gov/Documents/Misc/IUP Application 2021-3.docx Revision date: 12/30/97 Page 21 of 21 Current Projected Code Description W54 Instituted better controls on operating bulk containers to minimize discarding of empty containers W55 Changed from small volume containers to bulk containers to minimize discarding of empty containers W58 Other process modifications (explain briefly in comments) W59 Modified stripping / cleaning equipment W60 Changed to mechanical stripping / cleaning devices (from solvents or other materials) W61 Changed to aqueous cleaners ( from solvents or other materials) W62 Reduced the number of solvents used to make waste more amenable to recycling W63 Modified containment procedures for cleaning units W64 Improved draining procedures W65 Redesigned parts racks to reduce dragout W66 Modified or installed rinse systems W67 Improved rinse equipment design W68 Improved rinse equipment operation W71 Other cleaning and degreasing operation (explain briefly in comments) W72 Modified spray systems or equipment W73 Substituted coating materials used W74 Improved application techniques W75 Changed from spray to other system W78 Other surface preparation and finishing (explain briefly in comments) W81 Changed product specifications W82 Modified design or composition of product W83 Modified packaging W89 Other product modifications (explain briefly in comments) W99 Other (specify in comments ) Comments (Please list corresponding code)