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HomeMy WebLinkAboutWQ0003380_Final Permit_19921207State of North Carolina Department of Environment, Health and Natural Resources Division of Environmental Management 512 North Salisbury Street • Raleigh, North Carolina 27611 James G. Martin, Governor A. Preston Howard, Jr., P.E.. William W. Cobey, Jr., Secretary Acting Director December 7, 1992 Charles McLendon, Plant Manager Georgia-Pacific Corporation Post Office Box 308 Dudley, N.C. 28333 Subject: Permit No. WQ0003380 Georgia-Pacific Corporation Southern Division, Cam -Ply Faciility Wastewater Recycle System Dudley, North Carolina Wayne County Dear Mr. McLendon: In accordance with your application received October 15, 1992, we are forwarding herewith Pennit No. WQ0003380, dated December 7, 1992, to the Georgia-Pacific Corporation for the continued operation of the subject wastewater disposal system. This permit shall be effective from the date of issuance until November 30, 1997, shall void Permit No WQ0003380 issued July 17, 1990 and shall be subject to the conditions and limitations as specified therein. Please pay particular attention to the monitoring requirements in this permit. Failure to establish an adequate system for collecting and maintaining the required operational information will result in future compliance problems. If any parts, requirements, or limitations contained in this permit are unacceptable to you, you have the right to request an adjudicatory hearing upon written request within 30 days following receipt of this permit. This request must be in the form of a written petition, conforming to Chapter 150B of North Carolina General Statutes, and filed with the Office of Administrative Hearings, P.O. Drawer 27447, Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and binding. Regional Offices Asheville Fayetteville Mooresville Raleigh Washington Wilmington Winston-Salem 704/251-6208 919/496-1541 704/663-1699 919/571-4700 919/946-6481 919/395-3900 919/896-7007 Pollution Prevention Pays P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone 919-733-7015 An Equal Opportunity Affirmative Action Employer If you need additional information concerning this matter, please contact Mr. Michael D. Allen at (919) 733-5083. Sincerely, �. Ctc A. Prest Howard, Jr., P.E. cc: Wayne County Health Department Washington Regional Office Training and Certification Unit NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES RALEIGH RECYCLE SYSTEM PERMIT 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 Georgia-Pacific Corporation Wayne County FOR THE continued operation of a wastewater recycle system used in conjunction with the control of rotary dryer emissions using an Electrostatic Precipitation Unit (ESP) consisting of collection systems; a dual compartment 20,000 gallon concentrate sump with a 8,450 gallon clean water compartment, a 4,000 gallon concentrated waste compartment, a spray sytem, a drain system, and concentrated sensors; a 60 GPM sprayer system for the ESP unit with a collector and return piping system; a 20,000 gallon concentrated waste storage tank; a 15 GPM spray pump for spraying concentrated waste on wood waste to be burned; a washdown system with two (2) 375 GPM pumps used individually to clean the ESP system, and all piping valves, pumps and appurtenances to serve the Comp -Ply Facility located at Dudley, North Carolina with no discharge of wastes to the surface waters, pursuant to the application received October 15, 1992, and in conformity with the project plan, specifications, and other supporting data subsequently filed and approved by the Department of Environment, Health and Natural Resources and considered a part of this permit. This permit shall be effective from the date of issuance until November 30, 1997, shall void Pen -nit No WQ0003380 issued July 17, 1990 and shall be subject to the following specified conditions and limitations: 1. This permit shall become voidable unless the facilities are constructed in accordance with the conditions of this permit, the approved plans, specifications, and other supporting data. 2. This permit is effective only with respect to the nature and volume of wastes described in the application and other supporting data. 3. The facilities shall be properly maintained and operated at all times. 4. This permit is not transferable. In the event there is a desire for the facilities to change ownership, or there is a name change of the Permittee, a formal permit request must be submitted to the Division of Environmental Management accompanied by an application fee, documentation from the parties involved, and other supporting materials as may be appropriate. The approval of the request will be considered on its merits and may or may not be approved. 5. In the event that the facilities fail to perform satisfactorily, including the creation of 1 nuisance conditions, the Permittee shall take immediate corrective action, including those as may be required by this Division, such as the construction of additional or replacement wastewater treatment or disposal facilities. 6. The sludge generated from these treatment facilities must be disposed of in accordance with General Statute 143-215.1 and in a manner approved by the North Carolina Division of Environmental Management. 7. The issuance of this permit shall not relieve the Permittee of the responsibility for damages to surface or groundwaters resulting from the operation of this facility. 8. 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. 9. Diversion or bypassing of untreated wastewater from the treatment facilities is prohibited. 10. Any monitoring deemed necessary by the Division of Environmental Management to insure surface and ground water protection will be established and an acceptable sampling reporting schedule shall be followed. 11. Adequate inspection, maintenance, and cleaning shall be provided by the Permittee to insure proper operation of the subject facilities. 12. The Permittee or his designee shall inspect the wastewater recycle facilities to prevent malfunctions and deterioration, operator errors and discharges which may cause or lead to the release of wastes to the environment, a threat to human health, or a nuisance. The Permittee shall keep an inspection log or summary including at least the date and time of inspection, observations made, and any maintenance, repairs, or corrective actions taken by the Permittee. This log of inspections shall be maintained by the Permttee for a period of three years from the date of the inspection and shall be made available upon request to the Division of Environmental Management or other permitting authority. 13. Any duly authorized officer, employee, or representative of the Division of Environmental Management may, upon presentation of credentials, enter and inspect any property, premises or place on or related to the recycle system at any reasonable time for the purpose of determining compliance with this permit; may inspect or copy any records that must be kept under the terms and conditions of this permit; or may obtain samples of groundwater, surface water, or leachate. 14. The annual administering and compliance fee must be paid by the Permittee within thirty (30) days after being billed by the Division. Failure to pay the fee accordingly may cause the Division to initiate action to revoke this permit as specified by 15 NCAC 2H .0205 (c)(4). 15. Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to an enforcement action by the Division of Environmental Management in accordance with North Carolina General Statute 143-215.6A to 143-215.6C. 16. The issuance of this permit does not preclude the Permittee from complying with any and all statutes, rules, regulations, or ordinances which may be imposed by other government agencies (local, state, and federal) which have jurisdiction. 17. A set of approved plans and specifications for the subject project must be retained by the Permittee for the life of this project. 7 18. Noncompliance Notification: The Permittee shall report by telephone to the Washington Regional Office, telephone number (919) 946-6481, 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 at the wastewater treatment facility which results in the treatment of significant amounts of wastes which are abnormal in quantity or characteristic, such as the dumping of the contents of a basin or tank; the known passage of a slug of hazardous substance through the facility; or any other unusual circumstances. b. Any process unit failure, due to known or unknown reasons, that render the facility incapable of adequate wastewater treatment such as mechanical or electrical failures of pumps, aerators, compressors, etc. c. Any failure of a pumping station, sewer line, or treatment facility resulting in a by- pass directly to receiving waters without treatment of all or any portion of the influent to such station or facility. d. Any time that self -monitoring information indicates that the facility is not in compliance with its permit limitations. Persons reporting such occurrences by telephone shall also file a written report in letter form within 15 days following first knowledge of the occurrence. This report must outline the actions taken or proposed to be taken to ensure that the problem does not recur. 19. Upon classification of the facility by the Certification Commission, the Permittee shall employ a certified wastewater treatment plant operator to be in responsible charge (ORC) of the wastewater treatment facilities. The operator must hold a certificate of the type and grade at least equivalent to or greater than the classification assigned to the wastewater treatment facilities by the Certification Commission. The Permittee must also employ a certified back-up operator of the appropriate type and grade to comply with the conditions of Title 15A, Chapter 8A, .0202. The ORC of the facility must visit each Class I facility at least weekly and each Class II, III, and IV facility at least daily, excluding weekends and holidays, and must properly manage and document daily operation and maintenance of the facility and must comply with all other conditions of Title 15A, Chapter 8A, .0202. 20. The Permittee, at least six (6) months prior to the expiration of this permit, shall request its extension. Upon receipt of the request, the Commission will review the adequacy of the facilities described therein, and if warranted, will extend the permit for such period of time and under such conditions and limitations as it may deem appropriate. Permit issued this the 7th day of December, 1992 NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION ac,�A" acyy)�eCLOJUQ . A. Preston ward, Jr., RE), Acting Directo Division of ' nmental Management By Authority of the Environmental Manage ent Commission Permit No. WQ0003380 3 t.;t_A6SIFIGATION OF FACILITIES Name of Plant: OC2o�tA Owner or Contact Person: s-nr-r.t GXkc_ R - Mailing Address: PO aox 3o9 County: L,:)AyrJ� Telephone: G 1 - -7 S NPDES Permit No. Nondisc. Per. No. t,,, IssueDate: d-7li<-7 qo Expiration Date:g-c, j3c/95 Existing Facility ✓ New Facility Rated By: Gc, Date: t I . t--, cif Reviewed (Train. & Cert.) Reg. Office �,� I '/' e Reviewed (Train. & Cert.) Central Office ORC Grade Plant Class: (circle one) 11 ill IV Total Points JO ITEM POINTS (5) SECONDARY TREATMENT UNITS (a) LCarbonaceous Stage (1) Industrial Pretreatment Units and/or (i)Aeralion - High Purity Oxygen System ..... 20 industrial Pretreatment Program Diffused Air System ........... 10 (see definition No. 33) 4 Mechanical Air System (fixed, (2) D ESIQN FLOW OF PLANT IN GPD floating or rotor) .............. 8 (not applicable to non -contaminated cooling waters, sludge Separate Sludge Reaeration ..... 3 handling facilities for water purification plants, totally (ii) Trickling Filter closed cycle systems (del. No. 11), and facilities High Rate ................... 7 consisting only of Item (4) (d) or Items (4) (d) and (11) (d)) Standard Rate ............... 5 0 -- 20,000.......................... 1 Packed Tower......_........ 5 20,001 -- 50,000....................... . .. 2 (iii} Biological Aerated Filler ar Aerated 50,001 100,000 .......................... 3 Biological Filter ...................... 10 100,001 250,000 .......................... 4 (iv) Aerated Lagoons .......... ............ . 10 250,001 500,000.......................... 5 500,001--1,000,000 .......................... 8 (v) Rotating Biological Contactors .......... 10 1,000,001 -- 2,000,000 . ....................... 10 2,000,001 (and up) - rate 1 point additional for each (v i) Sand Filters- 200,000 gpd capacity up to a intermittent biological .... _ 2 maximum o1 30 recirculating biological ..... 3 Design Flow (gpd) : (vii) Stabilization Lagoons ................... 5 (3) PRELIMINARY UNITS (see definition no. 32) (viii)Clarifier .............................. 5 (a) Bar Screens ................................ 'I (ix) Single stage system for combined or carbonaceous removal of BOD and (b) Mechanical Screens, Static Screens or nitrogenous removal by nitrification Comminuting Devices ........... ............. 2 (see def. No. 12) (Points for this item (c) Grit Removal ............................... 1 have to be in addition to items (5) (a) or (i) through (5) (a) (viii) ................. 8 (d) Mechanical or Aerated Grit Removal ........... 2 (x) Nutrient additions to enhance BOO (e) Flow Measuring Device ....................... 1 removal............................... 5 or (xi) Biological Culture ("Super Bugs") addition (f) Instrumented Flaw Measurement .............. 2 to enhance organic compound removal ..... 5 (g) Preaeration................................ 2 (b) Nitrogenous Stage (i)- Aeration - High Purity Oxygen System ..... 20 (h) Influent Flow -Equalization ................... 2 Diffused Air System ........... 10 (i) Grease or Oil Separators - Gravity .......... 2 Mechanical Air System (fixed, Mechanical .... , ..... 3 floating, or rotor) ...... ...... a Dissolved Air Flotation. 8 Separate Sludge Reaeration ..... 3 (j} Prechtorination .............................. 5 - (6) Trickling Filler - High Bate .............. 7 (4) PRIMARY TREATMENT UNITS Standard Rate ............ 5 (a) Septic Tank (see definition no. 43) .............. 2 Packed Tower ............ 5 (b) Imhoff Tank .................................. 5 (i i i) Biological Aerated Filter or Aerated (c) Primary Clarifiers ............................ 5 Biological Filter ......................... 10 (d) Settling Ponds or Settling Tanks for Inorganic (iv) Rotating Biological Contactors ........... - 10 Non -toxic Materials {sludge handling facilities (v) Sand Filler - for water purification plants, sand, gravel, intermittent biological , ....... 2 stone, and other mining operations except recirculating biological ........ 3 recreational activities such as gem or gold (v i) Clarifier ............. 5 mining) ...................................... 2 (6) TF'RTIARY OR ADVANCED TREATMENT UNIT (10) 4CHEMICAL ADDITION SYSTEM (S) (See definition No. 9) d a} 'Activated Carbons Beds - (not applicable to chemical additions rated as item wrthout carbon regeneration .................. 5 {3) (j). (9) (a) {xi), (6) (a), (6) (b}, {e}, with carbon regeneration .................... is : List: each: (g) (a}, (9} (b), or {9) {c} S points each: list: (b} Powdered or Granular Activated Carbon Feed - 5 without carbon regeneration ................. 5 5 with carbon regeneration .................... is S (c) Air Stripping . . . ................... ". . - 5 5 (d) Denitrification Process (separate process) ..... 10 (e) Electrodialysis .............................. 5 (11) MISCELLANEOUS UNITS (f} Foam Separation ............................. 5 (a) Holding Ponds, Holding Tanks or Settling Ponds (g) ton Exchange ................................ 5 for Organic or Toxic Materials including wastes (h) Land Application of Treated Effluent from mining operations containing nitrogen andlor (see definition no. 22b) (not applicable for phosphorous compounds in amounts significantly sand, gravel, stone and other similar mining greater than is common for domestic wastewater .........0 operations) (b) Effluent Flow Equalization (not applicable to storage (i) on agricrrfturally managed sites (See del. basins which are inherent in land application systems). 2 No. 4)................................... 10 (c) Stage Discharge (not applicable to storage basins (ii) by high rate infiltration on non-agriculluralty inherent in land application systems ....................................... 5 managed sites (includes rotary distributors and similar fixed nozzle systems) 4 (d) Pumps.... ........... e Stand -By Power Supply (iii) by subsurface disposal (includes low pressure (1) Thermal Pollution Cont.ol Device ............................... ............. 3 pipe systems and gravity systems except at plants consisting of septic tank and nilrifica- Von lines only) ............................. 4 TOTAL POINTS (i) Microscreens.................................. 5 (j) Phosphorus Removal by Biological Processes CLASSIFICATION (See def. No. 26) ............................ 20 (k) Polishing Ponds - without aeration ....... 2 Class t........................................................... 5 - 25 Points with aeration .......... 5 Class 11................. ............ ................ _....... 26- 50 Points (I) Post Aeration - cascade .............. 0 Class III ............. _............. 51- 65 Points ........................... diffused or mechanical ... 5 Class IV ..................................................... 66- Up Points (m) Reverse Osmosis ............................... 5 (n) Sand or Mixed -Media Filters - low rate ........... 2 Facilities having a rating of one through four points, inclusive, high rate .......... 5 do not require a certified operator. Classification of at[ other (o) Treatment processes for removal of metal or facilities requires a comparable grade operator in responsible cyanide .................................... 15 charge. (p) Treatment processes for removal of toxic materials other than metal or cyanide ......... 15 Facilities having an activated sludge process will be assigned a minimum classification of Class If. SLUDGE TREATMENT (a) Sludge Digestion Tank - Heated ............... 10 Aerobic ............... 5 Unhealed ............. 3 (b) Sludge Slabiftation (chemical or thermal) .... ... 5 (c) Sludge Drying Beds - Gravity ................. 2 Vacuum Assisted ....... 5 (d) Sludge Elutriation ............................. 5 (e) Sludge Conditioner (chemical or thermal) ........ 5 (f) Sludge Thickener (gravity) ...................... 5 (g) Dissolved Air Flotation Unit (not applicable to a unit rates as (3) (i) ......... 8 (h) Sludge Gas Ulilizalion (including gas storage) .... 2 (i) Sludge Holding Tank - Aerated ................ 5 Non -aerated ............ 2 @ Sludge Incinerator - (not including activated carbon regeneration) . , ... 10 (k) Vacuum Filter, Centrifuge or Filler Press or other similar dewatering devices .................... 10 (9) SLUDGE DISPOSAL (including incinerated ash) (a) lagoons ........................................ 2 (b) Land Application (surface and subsurface) (see definition 22a) -where the facility holds the land app, permit .. 10 -by contracting to a land application operator who holds the land application permit ................ 2 -land application of sludge by a contractor who does not hold the permit for the wastewater treatment facility where the sludge is generated ......... 10 (c) Landfilled (burial) ............................ 5 (9) DISINFECTION (a) Chlorination ........................ ..... 5 (b) Dechlorination ........................ 5 (c) Ozone .............................. 5 (d) Radiation .......................... 5 Facilities having treatment processes for the removal of metal or cyanide will be assigned a minimum classification of Class It. Facilities having treatment processes for the biological removal of phosphorus will be assigned a minimum classification of Class Ill. In -plant processes and related control equipment which are an integral part oh industrial pr,.duclion shall not be considered waste treatment. likewise, discharges of wastewater from residences having a design flow of 1.000 gpd or less, shall not be subject to rating. ADDITIONAL COMMENT%- . b. •u rvrl ULAZ)bit-lUA I IUN Ut- VAUILITIES ITEM (1) (2) (3) Name of Plant: O-c„ycxA ?Ac-tr~tc- Owner or Contact Person: Rtc-r_� Mailing Address: PO Enx 3cO -- Qvo —ram r-a(-, -283S-S ___ County:_ LQAYtJt< Telephone: q iq • -7--4-P - t43gS NPDES Permit No. Nondisc. Per- )ssueDate:_ o-7 11-71Pc) __Expiration Date: oc_P{ 3o f GS Existing Facility ✓ New Facility Rated By:__51_ ,Tr Date: I f . 1L,. ci �-.z Reviewed (Train. & Cert.) Reg. Office r�(� rt'�— r1 /1- r&! z Reviewed (Train. & Cert.) Central Office ORC Plant Class: (circle one) 0 POINTS Industrial Pretreatment Units and/or Industrial Pretreatment Program (see definition No. 33) 4 12E51QN FLOW OF PLANT IN GPD (not applicable to non -contaminated cooling waters, sludge handling facilities for water purification plants, totally closed cycle systems (del. No. 11). and facilities consisting only of Item (4) (d) or Items (4) (d) and (11) (d)) 0 - 20,000.......................... 1 20,001 -- 50,000.......................... 2 50,001 -- 100,000.......................... 3 100.001 - 250,000.......................... 4 250,001 -- 500.000.......................... 5 500,001--1,000,000.......................... a 1,000,001 -• 2,000.000 ........................ 10 2,000,001 (and up) - rate 1 point additional for each 200,000 gpd capacity up to a maximum of 30 Design Flow (gpd) : PRELIMiNIARY UNITS (see definition no. 32) (a) Bar Screens ................................ 1 or (b) Mechanical Screens, Static Screens or Comminuting Devices ........... ............. 2 (c) Grit Removal ............................... 1 or (d) Mechanical or Aerated Grit Removal ........... 2 (e) Flow Measuring Device ....................... 1 or (Q Instrumented Flow Measurement .............. 2 (g) Preaerafion................................ 2 (h) Influent Flow�Equalization ................... 2 (i) Grease or Oil Separators - Gravity .......... 2 Mechanical .......... 3 Dissolved Air Flotation. 8 0) Prechlorination .............................. 5 (4) PRIMARY TREATMENT UNITS (a) Septic Tank (see definition no. 43) ............. . (b) Imhoff Tank .................................. (c) Primary Clarifiers .... .. ........... . (d) SeltGng Ponds or Settling Tanks for Inorganic Nontoxic Materials {sludge handling facilities for water purification plants, sand, gravel, stone, and other mining operations except recreational activities such as gem or gold mining) ...................................... 2 5 5 2 Grade Il III )V Total Points 10 (5) SECONDARY TREATMENT UNITS (a) -Carbonaceous Stage (i)Aeralion - High Purity Oxygen System ..... Diffused Air System ........... Mechanical Air System (fixed, floating or rotor) ............. . Separate Sludge Reaer2tion ... . (ii) Trickling Filter High Rate ................... Standard Rate ............... Packed Tower ............... (iii) Biological Aerated Filter or Aerated Siological Filter ...................... (iv) Aerated Lagoons ..................... . (v) Rotating Biological Conlactors .......... (vi) Sand Filters - intermittent biological .... . recirculating biological .... . (vii) Stabilization Lagoons ................... (viii)Clarilier ................... I.......... (ix) Single stage system for combined carbonaceous removal of BOD and nitrogenous removal by nitrification (see del. No. 12) (Points for this item have to be in addition to items (5) (a) (i) through (5) (a) (viu) ................. (x) Nutrient additions to enhance BOD removal ............................... (xi) Biological Culture ('Super Bugs') addition to enhance organic compound removal .... . (b) Nitrogenous Stage (i)- Aeration - High Purity Oxygen System ..... Diffused Air System ........... Mechanical Air System (fixed, floating, or rotor) ...... ...... Separate Sludge Reaeralion .... . (ii) Trickling Filter - High Rate .............. Standard Rate ............ Packed Tower............ (iii) Biological Aerated Filter or Aerated Biological Filter ......................... (iv) Ralaling Biological Contactors ............ (v) Sand Filter - intermittent biological ....... . recirculating biological ........ (v i) Clarifier ................................ 20 10 B 3 7 5 5 10 10 10 2 3 5 8 5 5 20 10 8 3 7 5 5 10 10 2 3 5 �5) TERTIARY OR ADVANCED TREATMENT UNIT 4a) Activated Carbons Beds - without carbon regeneration .................. 5 with carbon regeneration .................... Is (b) Powdered or Granular Activated Carbon Feed - wilhout carbon regeneration ................. 5 with carbon regeneration .................... 15 (c) Air Stripping ........ ............. ... . ... 5 (d) Denitrification Process (separate process) ..... 10 (e) Electrodialysis .............................. 5 (f) Foam Separation ............................. 5 (g) ton Exchange.... .. ...................... 5 (h) Land Application of Treated Effluent (see definition no. 22b) (not applicable for sand, gravel. Slone and other similar mining operations) (i) on agriculturally managed sites (See del. No. 4) ................................... 10 (d) by high rate infiltration on non -agriculturally managed sites (includes rotary distributors and similar fixed nozzle systems) ........... 4 (iii) by subsurface disposal (includes low pressure pipe systems and gravity systems except at plants consisting of septic lank and nitrifica- tion lines only) ............................. 4 WMicroscreens.................................. 5 6) Phosphorus Remoialby Biological Processes (See der. No.26) ............................ 20 (k) Polishing Ponds - without aeration ....... 2 %vith aeration .......... 5 (1) Post Aeration cascade .............. 0 diffused or mechanical ... 5 (m) Reverse Osmosis ............................... 5 (n) Sand or Mixed -Media Filters - low rate ........... 2 high rate .......... 5 (o) Treatment processes for removal of metal or cyanide.................................... 15 (p) Treatment processes for removal of toxic materials other than metal or cyanide ......... 15 I SLUDGE TREATMENT (a) Sludge Digestion Tank - Heated ............... 10 Aerobic ............... 5 Unheated ............. 3 (b) Sludge Stabilization (chemical or thermal) ....... 5 (c) Sludge Drying Beds - Gravity ................. 2 Vacuum Assisted ....... 5 (d) Sludge Etulrialion............................. 5 (e) Sludge Conditioner (chemical or thermal) ........ 5 (f) Sludge Thkkener (gravity) ...................... 5 (g) Dissolved Air Flotation Unit (not applicable to a unit rates as (3) () ......... 8 (h) Sludge Gas Utilization (including gas storage) .... 2 (i) Sludge Holding Tank - Aerated ................ 5 Non -aerated ............ 2 {}} Sludge Incinerator - (not including activated carbon regeneration) ..... 10 (k) Vacuum Filler, Centrifuge or Filter Press or other similar dewatering devices .................... 10 (8) SLUDGE DISPOSAL (including incinerated ash) (a) Lagoons ........................................ 2 (b) Land Application (surface and subsurface) (see definition 22a) -where the facility holds the land app. permit ... 10 -by contracting to a land application operator who holds the land application permit ................ 2 -land application of sludge by a contractor who does not hold the permit for the wastewater treatment facility where the sludge is generated ......... 10 (c) Landfilled (burial) ............................. 5 (9) DISINFECTION (a) Chlorination ........................ ..... 5 (b) Dechlorination ........................ 5 (c) Ozone .............................. 5 (d) Radiation .......................... 5 (10) -CHEMICAL ADDITION SYSTEM (S) (See definition No. 9) (not applicable to chemical additions rated as item (3) 6). (5) (a) (xi), (6) (a), (6) (b), (7) (b), (7) (e). (9) (a), (9) (b), or (9) (c) 5 points each: List: ..... 5 ..... 5 (11) MISCELLANEOUS UNITS (a) Holding Ponds, Holding Tanks or Settling Ponds for Organic or Toxic Materials including wastes from mining operations containing nitrogen and/or phosphorous compounds in amounts significantly greater than is common for domestic wastewater ..........0 (b) Effluent Flow Equalization (not applicable to storage basins which are inherent in land application systems). 2 (c) Stage Discharge (not applicable to storage basins inherent in land application systems........................ .............. 5 (d) AIN (e) Stand -By Power Supply ................... ._ ............. •--...... ..-- 6 ' (0 Thermal Pollution Control Device ........ ..... ........... .................. 3 TOTAL POINTS CLASSIFICATION Class I...................................5 - 25 Points Class If......... ...... ...... _ _ 26- 50 Points Class III .............. ................... ...._...._..... 51- 65 Points Class IV ........ ...................... 66- Up Points Facilities having a rating of one through lour points, inclusive, do not require a certified operator. Classification of all other facilities requires a comparable grade operator in responsible charge. Facilities having an activated sludge process will be assigned a minimum classification of Class 11. Facilities having treatment processes for the removal of metal or cyanide will be assigned a minimum classification of Class II. Facilities having treatment processes for the biological removal of phosphorus will be assigned a minimum classification of Class III. In -plant processes and relayed control equipment which are an integral part of industrial production shall not be considered waste treatment. Likewise, discharges of wastewater from residences having a design flow of 1,000 gpd or less, shall not be subject to rating.