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Home My WebLink AboutWQ0004825_Final Permit_19960229State of North Carolina Department of Environment, Health and Natural Resources Division of Environmental Management James B. Hunt, Jr., Governor Jonathan B. Howes, Secretary A. Preston Howard, Jr., P.E., Director February 29, 1996 Mr. Richard D. Hardin, City Manager City of Randleman 101 Hilliary Street Randleman, North Carolina 27317 M 3W C)EHNR Subject: Permit No. WQ0004825 City of Randleman Land Application of Wastewater Residuals Randolph County Dear Mr. Hardin: In accordance with your application received on November 30, 1995, we are forwarding herewith Permit No. WQ0004825 dated February 29, 1996, to the City of Randleman for the operation of a wastewater residuals land application program. This permit shall be effective from the date of issuance until January 31, 2001, shall void Permit No. WQ0004825 issued September 30, 1994, and shall be subject to the conditions and limitations as specified therein. Please pay particular attention to the monitoring and reporting requirements contained 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, you have the right to request an adjudicatory hearing upon written request within thirty (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. If you need additional information concerning this matter, please contact Mr. John Seymour at (919) 733-5083 extension 546. Sincerely, 4-. -Prestlo Howard, Jr., P.E. cc: Randolph County Health Department AMSCO, Inc Winston-Salem Regional Office, Water Quality Section Winston-Salem Regional Office, Groundwater Section Bob Cheek, Groundwater Section, Central Office Training and Certification Unit Facilities Assessment Unit P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone 919-733-7015 FAX 919-733-2496 An Equal Opportunity Affirmative Action Employer 50% recyded110% post -consumer paper NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES RALEIGH RESIDUALS LAND APPLICATION 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 City of Randleman Randolph County FOR THE operation of a wastewater residuals land application program consisting of the application of 350 dry tons per year of residuals from sources listed in Condition II.5, to approximately 231.2 acres of land in Randolph County with no discharge of wastes to the surface waters, pursuant to the application received on November 30, 1995, 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 January 31, 2001, shall void Permit No. WQ0004825 issued September 30, 1994, and shall be subject to the following specified conditions and limitations: I. PERFORMANCE STANDARDS 1. This permit shall become voidable if the soils fail to adequately assimilate the wastes and may be rescinded unless the sites are maintained and operated in a manner which will protect the assigned water quality standards of the surface waters and ground waters. 2. The land application program shall be effectively maintained and operated as a non - discharge system to prevent the discharge of any wastes resulting from the operation of this program. 3. 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 program. 4. In the event that the land application program is not operated satisfactorily, including the creation of nuisance conditions, the Permittee shall cease applying residuals to the sites and take any immediate corrective actions as may be required by the Division. Some of the buffers specified below may not have been included in previous permits for this land application operation. However, any sites or fields that are included in this permit, but were approved with different applicable buffers shall be reflagged to comply with the below buffers. The following buffer zones shall be maintained: a) 400 feet from residences or places of public assembly under separate ownership for surface application method; however, the buffer zone requirement may be reduced to a minimum of 100 feet upon written consent of the owner and approval from the appropriate DEM regional office, b) 200 feet from residences or places of public assembly under separate ownership for subsurface residual injection method; however, the buffer zone requirement may be reduced to a minimum of 100 feet upon written consent of the owner and the appropriate DEM regional office, c) 100 feet from any public or private water supply source, waters classified as SA or SB, and any Class I or Class Il impounded reservoir used as a source of drinking water for both methods, d) 100 feet from any streams classified as WS or B, any other stream, canal, marsh or coastal waters and any other lake or impoundment for surface application, e) 50 feet from any streams classified as WS or B, any other stream, canal, marsh or coastal waters and any other lake or impoundment for subsurface application, f) 100 feet from property lines for both surface and subsurface application methods; g) 50 feet from public right of ways for both application methods, h) 10 feet from upslope interceptor drains and surface water diversions for both application methods, i) 25 feet from downslope interceptor drains, surface water diversions, groundwater drainage systems and surface drainage ditches for both application methods. 6. A copy of this permit shall be maintained at the land application site when residuals are being applied during the life of this permit. A spill prevention and control plan shall be maintained in all residuals transport and application vehicles. 7. Specific residual application area boundaries shall be clearly marked on each site prior to and during application. 8. No residuals at any time shall be stored at any application site, unless approval has been requested and obtained from the Division of Environmental Management. 9. Maximum slope for residual application shall be 10% for surface application and 18% for subsurface applications. 10. When wastewater residuals are applied, the Class A pathogen requirements and site restrictions in 40 CFR Part 503.32(a) or the Class B pathogen requirements and site restrictions in 40 CFR Part 503.32(b), and one of vector attraction reduction requirements in 40 CFR Part 503.33 shall be met. Additionally; an evaluation must be performed which demonstrates the residuals ability to comply with this requirement. Upon request, a copy of this evaluation must be submitted including all test results and calculations. The City of Randleman Water Treatment Plant facility is exempt from this condition because there are no domestic contribution present in the alum residuals. II. OPERATION AND MAINTENANCE REQUIREMENTS 1. The facilities and application sites shall be properly maintained and operated at all times. 2. A suitable vegetative cover, as listed in condition I1.4, shall be maintained in accordance with the crop management plan outlined by the local Extension Office of the Department of Agriculture, or. the Soil Conservation Service, or other agronomist, and approved by this Division. 2 3. An acceptable pH must be maintained in the soil, residual and lime mixture, greater than 6.0, on all land application sites to insure optimum yield for the crop(s) specified below. The agronomist shall provide information on the pH best suited for the specified crop and the soil type. 4. The application rates shall not exceed the following for the specified crops: Crop PAN (lb./acre/yr Alfalfa 200 Bermuda Grass (Hay, Pasture) 220 Coastal Bermuda Grass 350 Blue Grass 120 Corn (Grain) 160 Corn (Silage) 200 Cotton 70 Fescue 250 Forest (Hardwood & Softwood) 75 Milo 100 Small Grain (Wheat, barley, oats) 100 Sorghum, Sudex (Pasture) 180 Sorghum, Sudex (Silage) 220 Soybeans 200 Timothy, Orchard, & Rye Grass 200 If the approved land application sites are to be double cropped (i.e. a crop in the spring and a second crop in the fall, with both crops to receive wastewater residuals), then the second crop shall receive a residuals application rate of at least 30% less than the above PAN rates, due to the fact that organic nitrogen is mineralized slowly over time. [i.e. a second crop consisting of small grain (PAN of 100 lbs/ae./yr.) shall receive a PAN of no greater than 70 lbs./ acre/ year.] This practice will be allowed as long as the second crop is to be harvested. If the second crop is planted for erosion control only and then is tilled into the soil, no residuals shall be applied to these fields because the nitrogen will essentially be returned to the soil. No residuals other than the following are hereby approved for land application in accordance with this permit: Permit Volume Source CountyNumber (dry tons/year) City of Randleman Randolph NCO025445 304 Wastewater Treatment Facility City of Randleman Randolph 46 Water Treatment Plant 6. The metal loading rates shall not exceed the following Cumulative Pollutant loading rates: Kilograms Pounds Parameters _per Hectare per Acre Arsenic 41 36 Cadmium 39 34 Copper 1,500 1,338 Lead 300 267 Mercury 17 15 Molybdenum ---- ---- Nickel 420 374 Selenium 100 89 Zinc 2,800 2,498 3 7. The pollutant concentrations in the residuals which will be applied to the land shall not exceed the following Ceiling Concentrations (Dry Weight Basis): Parameters mg g Arsenic 75 Cadmium 85 Copper 4,300 Lead 840 Mercury 57 Molybdenum 75 Nickel 420 Selenium 100 Zinc 7,500 8. Upon classification of the facility by the Certification Commission, the Permittee shall employ a certified land application/residuals operator to be in responsible charge (ORC) of the land application program. The operator must hold a certificate of the type classification assigned to the land application program by the Certification Commission. The Pen- ittee must also employ a certified back-up operator of the appropriate type to comply with the conditions of Title 15A NCAC 8A, .0202. 9. Adequate procedures shall be provided to prevent surface runoff from carrying any disposed or stored residuals into any surface waters. 10. Surface applied residuals will be plowed or disced within twenty-four (24) hours after application on lands with no cover crop established. 11. For areas that are prone to flooding or within the 100-year flood elevation, residuals may be applied only during periods of dry weather. The residuals must be incorporated into the soil within twenty-four (24) hours after application. 12. Appropriate measures must be taken to control public access to the land application sites during active site use and for the 12-month period following the last residual application event. Such controls may include the posting of signs indicating the activities being conducted at each site. 13. Adequate provisions shall be taken to prevent wind erosion and surface runoff from conveying pollutants from the residuals application area onto the adjacent property or into any surface waters. 14. Residuals shall not be applied in inclement weather or until 24 hours following a rainfall event of 1/2-inch or greater in 24 hours. Any emergency residuals disposal measures must first be approved by the Division of Environmental Management. 15. Residuals shall not be applied to any land application site that is flooded, frozen or snow- covered. 16. Residuals shall not be applied at rates greater than agronomic rates, unless authorized by the Division. 17. Animals shall not be grazed on an application site for 30 days after residuals application. Application sites that are to be used for grazing shall have fencing that will be used to prevent access after each application. 18. Food crops, feed crops and fiber crops that do not come in contact with the residuals shall not be harvested for 30 days after residuals application. 4 6. All residuals, with the exception of the City of Randleman Water Treatment Plant alum residuals, included in this permit must be monitored annually from the date of permit issuance, for compliance with condition 1.10 of this permit. Data to verify stabilization and vector attraction reduction of the residuals must be maintained by the Permittee. The required data is specific to the stabilization process utilized, but should be sufficient to clearly demonstrate compliance the Class A pathogen requirements in 40 CFR Part 503.32(a) or with the Class B pathogen requirements and site restrictions in 40 CFR Part 503.32(b), and one of vector attraction reduction requirements in 40 CFR Part 503.33. In addition, the EPA certification statements concerning compliance with pathogen requirements, vector attraction reduction requirements and management practices must be completed annually by the proper authority or authorities if more than one is involved, either the person who prepares the residuals, the person who derives the material, or the person who applies the residuals. 7. Three copies of all required monitoring and reporting requirements as specified in conditions III 1, III 2, III 3, III 4, III 5 and III 6 shalI be submitted annually on or before March 1 of the following year to the following address: NC Division of Environmental Management Water Quality Section Facility Assessment Unit PO Box 29535 Raleigh, NC 27626-0535 8. Noncompliance Notification: The Permittee shall report by telephone to the Winston-Salem Regional Office, telephone number 9101 771-4600 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 land application program which results in the land application of significant amounts of wastes which are abnormal in quantity or characteristic. b. Any failure of the land application program resulting in a release of material to receiving waters. c. Any time that self -monitoring information indicates that the facility has gone out of compliance with the conditions and limitations of this permit or the parameters on which the system was designed. d. Any process unit failure, due to known or unknown reasons, that render the facility incapable of adequate residual treatment. e. Any spillage or discharge from a vehicle or piping system transporting residuals to the application site. 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. 7 IV. GROUNDWATER REQUIREMENTS 1. The COMPLIANCE_ BOUNDARY for the disposal system is specified by regulations in 15A NCAC 2L, Groundwater Classifications and Standards. The Compliance Boundary is for the disposal system constructed after December 31, 1983 is established at either (1) 250 feet from the waste disposal area, or (2) 50 feet within the property boundary, whichever is closest to the waste disposal area. An exceedance of Groundwater Quality Standards at or beyond the Compliance Boundary is subject to immediate remediation action in addition to the penalty provisions applicable under General Statute 143-215.6A(a)(1). In accordance with 15A NCAC 2L, a REVIEW BOUNDARY is established around the disposal systems midway between the Compliance Boundary and the perimeter of the waste disposal area. Any exceedance of standards at the Review Boundary shall require remediation action on the part of the permittee. 2. Any groundwater quality monitoring, as deemed necessary by the Division, shall be provided. 3. No land application of waste activities shall be undertaken when the seasonal high water table is less than three feet below land surface. V . INSPECTIONS 1. The Permittee or his designee shall inspect the residuals storage, transport, and application 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 maintain 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 Permittee for a period of five years from the date of the inspection and shall be made available to the Division of Environmental Management or other permitting authority, upon request. 2. 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 application site or facility 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; and may obtain samples of groundwater, surface water, or leachate. VI. GENERAL CONDITIONS 1. This permit shall become voidable unless the land application activities are carried out in accordance with the conditions of this permit, the supporting materials, and in the manner approved by this Division. 2. This permit is effective only with respect to the nature and volume of wastes described in the application and other supporting data. 3. This permit is not automatically transferable. In the event that there is a desire for the facilities to change ownership or 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 this request will be considered on its merits and may or may not be approved. 4. The following are approved sites for residuals application (see attached map(s)): Application Area [acre,] Site No. Owner/Lessee Excluding buffers) 01-01 Kathleen Lineberry/ Odell Routh 11.5 .01-02 Kathleen Lineberry/ Odell Routh 8.5 01-03 Kathleen Lineberry/ Odell Routh 8.5 01-04 Kathleen Lineberry/ Odell Routh 8.5 01-05 Kathleen Lineberry/ Odell Routh 8.5 01-06 Kathleen Lineberry/ Odell Routh 8.1 02-01 Kathleen Lineberry/ Odell Routh 9.2 02-02 Kathleen Lineberry/ Odell Routh 8.5 02-03 Kathleen Lineberry/ Odell Routh 8.5 02-04 Kathleen Lineberry/ Odell Routh 8.5 02-05 Kathleen Lineberry/ Odell Routh 8.8 02-06 Kathleen Lineberry/ Odell Routh 8.5 02-07 Kathleen Lineberry/ Odell Routh 8.6 03-01 Gene Hiatt 4.0 03-02 Gene Hiatt 9.0 03-03 Gene Hiatt 9.0 03-04 Gene Hiatt 7.0 03-05 Gene Hiatt 8.0 04-01 N. Leslie Lowe 14.0 06-01 E. L. Allred/ Billy Whitaker 12.0 06-02 E. L. Allred/ Billy Whitaker 7.5 07-01 Aimana Kime 10.5 08-03 Doris Kirkman/ Billy Whitaker 6.5 09-01 Billy Whitaker 4.0 09-02 Billy Whitaker 11.5 10-01 H. G. Meyers/ N. Leslie Lowe 14.0 TOTAL AVAILABLE ACRES 231.2 5. 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 143-215.6(a) to 143-215.6(c). 6. 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). 7. 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. 9 8 . 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. 9. This permit may be modified, or revoked and reissued to incorporate any conditions, limitations and monitoring requirements the Division of Environmental Management deems necessary in order to adequately protect the environment and public health. 10. This permit shall become voidable unless the agreements between the Permittee and the landowners/lessees are in full force and effect. The land owner agreements are considered expired concurrent with the expiration date of the permit and must be renewed at the same time the permit is renewed. Permit issued this the 29th day of February, 1996 .k--Preston oward, Jr., P.E., Director Division of Environmental Management By Authority of the Environmental Management Commission Permit Number WQ0004825 10 A laumo OZEO-ggt-a I a Z I OLZ ON 'wUKXiXUMO OW W9 O*d DWZU,-.38 CW 1h9M3V*t" rN-0tr3M iv%PDA#oC*d F-i --i c=z i A Ar MPEW- vkWW.*- -4 - 4 MSS❑.., RESIDUALS AW14iF3. & f F71U FMCYCU" i P.O. S-w 1770 CSemmarq• NC 27012 01 G•768.0= r` _j , li � '�r�-) ;O �- 1.t Li f�` ..�.,rLj. .;1y ' �'�`'3,;11 \,1 ,l (\/fi C �-.y •'i� `✓� �O �, /��ss �� l ` �\ d of ! I i� ,�r•/ �� \ Vr r�\�-'�%�1 �� r.✓. �-. �� ,r rr�S �:=�•lful ;�. _ s� /,i'�j'r S�1��f�� \��J_� ��l,i��\� � �r� l •�J 750 ///}.-� r '�� i. a `�>--ter rr l Y,%/�✓�•\ �'. �� 'ice i• eve. L. 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NC 27012 9 19- 7 6&-Dan Q NA r a ram t Ch 750 fW yet eld rC 0 n e r S::� scale: 1, - F a� U W) RATING SCALE FOR CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS Name of Facility: Owner or Contact Ma{ling Address: County: _ 'Cry r Q oG. Telephone:_ ��0 4- - Z664 _ - Present Classlticaticn:_ New Faclllty Exlsting Faclllty K NPDES Per. No. NCOO 2s� Nondisc. Per. No.WQ! ---�,z5" Health Dept.Per No. Rated by. 1 Telephone; Date; 11/d ,L�s^ Reviewed by: Health Dept. Telephone: � ( lrRegional Office Telephone; - 1 l-c6l Central Office Telephone: ORC: � , � .�k�� lCt �� - ---,Grade: -C�27 Telephone: 510-style -ass �L Check Class ification(s): Subsurface Spray Irrigati Land Application Wastewater Classification: (Circle One) 1 11 Ill IV Total Points: . t:: ►! ' .�� s ► r : : 1 r •.►llama .+r. rL� Z►! .�■ w. _ r • •!IK _ :1 r, • r 1: _ �: rr 1 �. �.: • art•_ • a • I: � 6 �• ate: i■I ;� : �� ri _ ice.,: 4�• � � ' 4 iu hit ��.► 7 ►. �►: � JI. t�•► :•r _:: 1\ ►!1: �-.1�• • �. � uJ i:.emu �ti i. s► SUBSURFACE CLAS 4F)CA710N (deck all units that apply) 1. septic tanks 2_ pump tanks 3. siphon or pump -dosing systems 4. sand filters 5. ..-case trap/inlerceptor 6. oil/water separators 7, gravity subsurface treatment and disposal: 8. pressure subsurface treatment and disposal SPRAY IRRG ATK)N CLASS FYGATION (check all units that apply) 1. preliminary treatment (definition no. 32 } 2. lagoons 3. septic tanks 4. pump tanks 5. pumps 6, sand filters 7. grease trap/interceptor S. oillwaler separators 9. disinfection 10. chemical addition for nutrient/algae conlroi 11. spray irrigallon of wastewater In addition to the above classifications, pretreatment of wastewater In excess of these components shall be rated using the point rating system and will require an operator with an appropriate dual certificatlon. LAND PLICATION/RESIDUALS CLASSIFICATION (Applies only to permit holder) 1. Land application of biosclids, residuals or contaminated soils on a designated site. WASTEWATER TREATMENT FACILITY CLASSIFrCATION The following systems shalf be assigned a Class 1 classificalion, unfess the flow is'of a significant quanlity or the technology is unusually comptex, to require consideration by the Commission on a cave -by -case basis: (Check t1 Appropriate) 1. Oillwatar Separator Systems consisting only of physical separation, pumps and disposal; 2. Septic Tank/Sand Fitter Systems consisting only of septic tanks, dosing apparatus, pumps,sand fitters, disinfection and direct discharge; 3. Lagoon Systems consisting only of preliminary treatment, lagoons, pumps, disinfection, necessary chemical treatment for algae or nutrient control, and direct discharge; 4. Closed -loop Recycle Systems; 5. Groundwater Remediation Systems consisting only of oillwaler separators, pumps, air -stripping, carbon adsorption, disinfeclion and dispos.-J; 6. Aquaculture operations with discharge to surface waters; 7. Water Plant sludge handling and back -wash water treatment; 8. Seafood processing consisting of screening and disposal. 9. Single-family discharging systems, with the exception of Aerobic Treatment Units, will be classified if permittad after July 1, 1993 or if upon inspection by the Division, it is found that the system is not being adequately operated or maintained. Such systems will be notified of the classification or reclassification by the Commission, in writing. The following scale is used for rating wastewater treatment facilities; (circle appropriate points) ITEM POINTS { 1 } Industrial Prelreatmerx Unhs or Industrial Pretreatment Program (sae deltnhion No. 33).................................... . (2) DESIGN FLOW OF PLANT IN gpd [net applicable to non-conlanrnaled cooing waters, sludge handling lacildies for water purification plants, iotally closed cycle systams(ses definition No. 111 and facilities consisting only of hem (4)(d) or Items (4)(d) and (11)(d)) 0 - 20,000................................................................................................................................................1 20,001 - 50.000...................................................................................................----....-1.........I..........2 50,001 - 100,000....................... ... .......................................................................................I.....................a 100,001 250,000. ..................................................................... ........................ ..............................4 2SO.001 - 500.000.................. ................................................ .............. ....................................... ............ 5 500,001 - 1,000,000.............................................................................................................................. 1,000,001 - 2,000.000..................................................................................................... 10 2,C00,001 (and sap) rate 1 point addhlor* for oath 200.000 pod aapaehy up to a Maximum of ................. 0 Design Flow (gpd) 1. 5 #M60 (3) PRELIMINARY UNI-ISIPROCESSES (see definition No.32) (a) Bar Screens...............................................................................................................................................1 or (b) Mechanical Screens, Static Screens or Comminuting Devices...................................................................... "T (c) Grit Removal.............................................................................................................................................. or (d) Mechanical w Aerated Grit Removal.......................................................................................................... Q (e) Flow MeasurVgDevice ................................................................................................................................1 or(1) Instrumented Flow Measurement..............................................................................................................G (9) Preaerallon...................................... .................................................._......................................................2 (h) Influert€ FlowEqualiza0on..... .......................... ............................ ..................... ....................................... ...2 {iJ Grease or Oil Separators - Gravity.................................................................................................................2 Mechanical .................................................................................................................................................3 DlssoivedAir Flotation................................................................................................................................8 O} PrechlodnallQn..........................................................................................................................................5 (4) P RIMARY TREATMENT € JNrrS+PPf,OCESSES (a) Septic Tank (see definition No. 43)............................................................................................................2 (b) Imhoff Tank...........................................................................................:...............:..................................5 (c) Primary Clarhlers.........................................................................................................................................5 (d) Settling ponds or Settling Tanks for Inorgar4c Non•toxlc Materials (sludge handiirg facllhies for water purification ptards, sand, gravel, stone, and other mining operations except recreational aclivities such as gem orgold mining)............................................................................................................... ....... (5) SECONa4RYTREATMENT UJrT` RIOCESSES (a) Carbonaceous Stage (1) Aeration -High Purity Oxygen System...............................................................................2D DiffusedAir System.......................................................................................................1 0 Mechanical Air System (fixed, floating or rotor) ......... .......... .............................................. Separate Sludge Reaeration............................................................................................3 (II) Trickling Flier HighRate.......................................................................................................................7 StandardRate...............................................................................................................5 PackedTower.................................................................................................................5 (iii) Biological Aerated Fifler or Aerated Biological Fiher............................................................1 0 (Iv) Aerated Lagoons....... ................. ................................................................................. 10 (v) Rotating Biological Contactors......................................................................................10 (vi) Sand Fillers -intermittent biological..................................................................................2 Recirculating biol4lcal....................................................................................................3 (vll) Stabilization Lagoons.................................................................................................... (v;ii) C7arifier......................................................................................................................... (Ix) Singlo tmt)o syclom for cambinod cwbonacoous romovat of DOD and nitrogonove rvmcva nitritica€ion (see deflnhlon No, 12)(Points for Ihls hem have to be In addition to hems (5)(a)(1) through (5)(a)(viil), utilizing the extended aeration process (see deflnhlon No.3a)...................................... utilizing other than the extended aeration process .............................................. .............. B (x) Nutrient additions to enhance BOD removal......................................................................5 (xl) Biological Cuhure ('Super Bugs')addhiison........................................................................5 (b) Nitrogenous Stage (i) Aeration - High Purhy Oxygen System.............................................................................20 DiffusedAir System.......................................................................................................1 0 Mechanical Air System (fixed, floating or rotor) ................. ................................ ................. Separate Sludge Reaeraiion............................................................................................. (II) Trickling Flller-High Rate....................a............ .............. :......................... ......................... 7 StandardRate...............................................................................................................5 Packed Tower................................................................................................................5 (lil) Blological Aerated Filter or Aerated Biological Filter .............................................................1 0 (IV) Rotating Biological Contactors ......................................................................................10 (v) Sand Flier- intermittent bivlagieal...................................................................................2 Recirculatingbiological ....... ..:........................................................................................... (0) CW fter..............................................................................................J5 ............................ (6) TE971ARY OR ADVANCED TREATMENT UNITSrPRQCESSES (a) Activated Carbon Beds - whiwut carbon regeneration.................................................................................I.................5 with Carbon regeneration.......................................................................................................15 (b) Powdered or Granular Activated Carbon Feed - withoutcarbon regeneration.................................................................................................5 withcarbon regeneration.....................................................................................................15 (c) Air slrlppirg..................................................................................................................................... .a (d) Denhrification Process..............................................................................................................................1 0 (a) Etectrodfalysls........................................... ..................................................................................................5 (1) Foam Separation.......................................................................................................................................5 (g) Ion Exchange.............................................................................................................................................5 (h) Land Application of Treated Effluent (sae definition No. 22b) (not applicable for sand, gravel, stnive and other similar mining operations) by high rate Infihrallon..... ._..._.............................................................4 (I) Microscreens..............................................................................................................................................5 (11 Phosphorous Removal by Biological Processes (Sae definition No. 26)................................................I........20 (k) Polishing Ponds - without aeration ............... _............................ ....................... -....................................... 2 whhaeration..................................................................................................................5 (I} Post Aeration • cascade..............................................................................................................................0 diffused or mechanical ........................................................................................................2 {m} R*Verse Osmosis........................................................................................................................................5 (n) Sand or Mixed-Madia Filters - low rete........................................................................................................ (:25 hlghrate......................................................................5 (o) Treatment processes for removal of metal or cyanide...................................................................................1 5 (p) treatment processes Tor removal of toxic materials other than metal or cyanide..............................................is (7) SLUDGETREATMENIT (a)Sludge DI acllon Tank - Heated anaerobic.............................................................................................. ? Il Unheated(anaeroblc)..........................................................................................................................3 (b) (0) Sludge Stabilization (chemical or therma))............................................................................................. Sludge Drying Betas Oravlly................................................................................................................ VacuumAssisted ......................................................................................... ........................ .................. (d) Sludge Fluidalion.....................................................................................................................................5 (e) Sludge Conditioner (chemical or thermal)....................................................................................................5 (1) Sludge Thickener(gravlly).........................................................................................................................5 (g) Dissolved Air Flotation Unit not applicable to a unh rated as(3)(i)).............................................................8 ( h) (I) Sludge pas Utilization (Including gas storage)........................................................................................... Sludge Holding Tank • Aerated................................................................................................................. S Norseraced ..........................................................................,................................2 O) Sludge Incinerator (not including activated carbon regeneration)................................................................10 (k) Vacuum Mher, Centrifuge, or Filter Press or other similar dewatering devices...................................................1 0 (8) RESIDUALS LMLIZATIONUDISPOSAL (indudng incinerated ash) (a) Lagoons....................................................................................................2 (b) Land Application (surface and subsurface) (see definition 22a) by contracting to a land application operator or landfill operator who holds the land application permit orlandfill permit ........... ...................................................................................... ............................... .....� (c) Dedicated Landfill(budal) by the permilfee of the wastewater IrBaiment facility...............................................5 (9) DrSr%FECTCN (a) Chlodnalion............................................................................................................................................ (b) Dechlcrinaiion........................................................................................................................................ 5 (c) Ozone ................... ........................ —......................................................................................................... (d) Radiation................................................................................................................................................5 (1 0) CHEMICAL ADDITION! $YSTEM(S) ( see delinhlon No. 9) (not applicable to chemical addhlcns rased as hem (3)(J), (5)(a)(xi), (6)(a), (6)(b), (7)(b), (7)(e), (9a), (9)(b) or (9)(c) 5 points each: Lisl...................................... ....................5 .................................................................................................. ....................................................................................................................... 5 ...................................................................................................................................... 5 (1 1) MISCELLANEOUS UN7Se?FOCF_SSES (a) Holding Ponds, Holding Tanks or Settling Ponds for Organic or Toxic Materials Including wastes Prom mining operations containing nitrogen or phosphorus compounds in amounts sigrincarniy greater than Is common for domesllc wastewater............................................................................................................................4 (b) Effluent Flow Equalization (not applicable to storage basins which are inherent In lard appllcallon systems) ...... 2 (c) Stage Discharge (not applicable to storage basins inhererd In land application systems) .............................. (d) Pumps............................................................................................. ..................................................... (a) Stand -By Power Supply................-............-...........................-....................- ......3 (f) Thermal Pollullon Control Device................................................................................................................3 TOTALPOWTS......................................................................... ClassI...........................................................................................................5-25 Points Class11— .......................... ........................................................................... 26-50 Points classIII .............. ... ........ —..-..... —............ —......................... ......................... 51-65 Points ClassN.................................................... .......... —...................................... 66-Up Points --------_.---------------------------------------------------- Facilities having a rating of one Through four points, Inclusive, do net require a certified operator. Facilities having an activated sludge process will be assigned a minimum ciasslfication of Class 11, Facilhies having treatment processes for the removal of metal or cyanide will be assigned a minimum classification of Class fl. FaciHiies having treatment processes for the bialogical removal of phosphorus will be assigned a minimum classification of Class ill. .oco4 DERN17fION5 The following definitions sK0 apply throughout this Subchapter. (1) Activated Carbon Beds. A physicalrchemica l method for reducing soluble organic malarial from wastewater effluent; The column -type beds used In this method will have a flow rate varying from two 10 eight gallons per minute per square foot and may be ehher upflow or downflow carbon beds. Carbon may or may not be regenerated on the wastewater treatment plant she; (2) Aerated Lagoons. A basin in which all solids are maintalned In suspension and by which biological oxidation or organic matter Is reduced through artificially accelerated transfer of oxygen on a flow -through basis; (3) Aeration. A process of bringing about Inilmale contact between air or high purity oxygen In a liquid by spraying, agitation or ditfuslon;(3a) Extended Aeration. An activated sludge process utilizing a minimum hydraulic detention time of 1B hourS. (4) Agriculturally managed she, Any she on which a crop Is produced, managed, and harvested (Crop Includes grass, grains. trees, etc.); (5) Air Stripping. A process by which the ammonlum ion is first convened to dissolved ammonia (pH adjustment) with the ammonia then released to the atmosphere by physical means; or other similar processes which remove petroleum products such as benzene, toluene, "xylene; (6) Carbon Regeneration- The regeneration of exhausted carton by the use of a furnace 10 provlde extremely high temperatures which volatilize and oxidize tits absorbed Impurities; (7) Carbonaceous Stage. A stage of wastewater treatment designed to achieve 'secondary' effluent limits; (8) Centrftuge. A mechanical device In which coMrMugal force is used to separate solids from liquids or to separate liquids of different densr:as' (9) Chemical Addhion Systems- The addhlon of chemlGal(s) to wastewater al an appllcalion point for purposes of Improving solids removal, pH adjustment, alkalinity control, etc.; the capability to experimend with different chemicals and different applicatlon polnts to achieve a specific resuh will be considered one system; the capability to add chemlca)(s) to dual unlis will be rated as one system; capability to add a cheml:al at a dhterent application points for different purposes will result In the systems being rated as separate systems; (10) Chemical Sludge Condhioning. The addhlon of a chemical compound such as hme, ferric chloride, or a polymer 10 wet sludge to coalesce the mass prior to 11s application to a dewatering device; (11) Closed Cycie Systems- Use of holding ponds or hoidlrg tanks for containment of wastewater oontalning Inorganic, non -toxic materials from sand, gravel, crushed stone or other similar operations. Such systems shall carry a maximum of two points regardless of pumping fac;lhias or any other appurlenanras; (12) Combined Removal of Carbonaceous BOD and Nitrogenous Removal by NhMicalion- A single stage system required so achieve pear Oluent limps on BOD and ammonia nitrogen within the same blological reactor, (13) DecNarinailon. The partial or complete reduction of residual chlorine In a liquid by any chemical or physical process; (14; Der,ilrificatlon Process. The conversion of nhrale-nhrcgor, to rotr'ugen cas.