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Home My WebLink AboutNCS000255 Renewal application 20220606EPA Idenlification Number NPDES Permit Number Facility Name Form Approved 03105n9 Not Applicable NCS000255 Grade II, LLC OMB No. 2040-0004 U.S. Environmental Protection Agency Form t 18.EPA Application for NPDES Permit to Discharge Wastewater NPDES GENERAL INFORMATION SECTION•UIRING 1.1 Applicants Not AN NPDES PERMIT 140 Required to Submit Form 1 1 1 1 Is the facility a new or existing publicly owned 1 1 2 Is the facility a new or existing treatment works treatment works? treating domestic sewage? If yes, STOP. Do NOT complete ❑✓ No If yes, STOP. Do NOT 0 No Form 1. Complete Form 2A. complete Form 1. Complete Form 2S. 1.2 Applicants Required to Submit Form 1 1.2.1 Is the facility a concentrated animal feeding 1.2.2 Is the facility an existing manufacturing, operation or a concentrated aquatic animal commercial, mining, or silvicultural facility that is a production facility? currently discharging process wastewater? w ❑ Yes 4 Complete Form 1 0 No Yes 4 Complete Form No a and Form 2B. 1 and Form 2C. z 1.2.3 Is the facility a new manufacturing, commercial, 1.2A Is the facility a new or existing manufacturing, o mining, or silvicultural facility that has not yet commercial, mining, or silvicultural facility that commenced to discharge? discharges only nonprocess wastewater? Yes 4 Complete Form 1 R] No Yes 4 Complete Form R] No and Form 2D. 1 and Form 2E. N 1.2.5 Is the facility a new or existing facility whose discharge is composed entirely of stormwater ¢ associated with industrial activity or whose RECEIVE® discharge is composed of both stormwater and non-stormwater? Yes 4 Complete Form 1 No and Form 2F unless exempted by 40 CFR DEMLR-Stormwater Program 122.26(b)(14)(x) or SECTION rD• • • •r 2A Facility Name Grede II, LLC 0 2.2 EPA Identification Number U 0 J Not Applicable 2.3 Facility Contact d Name (first and last) Title Phone number v Amandeep Brar Senior Environmental Health & Safety Rep r (910) 428-2111 or Email address c Amandeep.Brar@grede.com d 2A Facility Mailing Address E A Street or P.O. box z 530 East Main Street City or town State ZIP code Biscoe NC 27209 EPA Form 3510-1 (revised 3.19) Page 1 EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05119 Not Applicable L_ NCS00025S Grede 11, LLC OMB No. 2040-0004 H 2.5 Facility location Street, route number, or other specific identifier 530 East Main Street County name County code (if known) o Montgomery City or town State ZIP code Z Biscoe INC 27209 SECTION1 NAICS CODES40 CFR SIC Code(s) Description (optional) 3.1 3321 Gray and Ductile Iron Foundries H .p O V t'n V z 3.2 NAICS Code(s) Description (optional) 331511 Iron Foundries v SECTION OPERATOR INFORMATION t ' Name of 0 orator 4.1 Grede II, LLC 4.2 Is the name you listed in Item 4.1 also the owner? ,0 o ❑✓ Yes El No 1.4.3 0 erator Status ❑ Public —federal ❑ Public —state ❑ Other public (specify) t° c ❑✓ Private ❑ Other (specify) 4.4 Phone Number of Operator (910) 428-2111 4.5 Address = -Operator Street or P.O. Box ns m 530 East Main Street City or town State ZIP code `o o Biscoe NC 27209 6v a. Email address of operator Amandeep.Brar@grede.com SECTION.0 5.1 Is the facility located on Indian Land? = =j ❑ Yes ❑ No EPA Form 3510-1(revised 3-19) Page 2 EPA Identification Number NPDES Permit Number Facility Name Form Approved 03105/19 Not Applicable NCS000255 Grede II, LLC OMB No. 2040-0004 ;ECTION 6. EXISTING ENVIRONMENTAL.t CFR 6.1 Existing Environmental Permits (check all that apply and print or type the corresponding permit number for each) m m NPDES (discharges to surface ❑ RCRA (hazardous wastes) ❑ UIC (underground injection of C water) fluids) NCS000255 U a ❑ PSD (air emissions) ❑ Nonattainment program (CAA) ❑ NESHAPs (CAA) c ❑ Ocean dumping MPRSA ❑ Dredge or fill CWA Section 404 ❑✓ Other (specify) w P 9 ( ) 9 ( ) (R fY) NCDEQ Air Permit #01364R32 7.1 1 Have you attached a topographic map containing all required information to this application? (See instructions for C specific requirements.) N N d y m O LD ..r la Z ❑✓ Yes ❑ No ❑ CAFO—Not Applicable (See requirements in Form 213.) 8.1 1Describe the nature of your business. Manufacture of cast ductile iron parts for the automotive and heavy truck industries. 9.1 1 Does your facility use cooling water? ❑ Yes ❑✓ No + SKIP to Item 10.1. 0" = 9.2 Identify the source of cooling water. (Note that facilities that use a cooling water intake structure as described at co 2 40 CFR 125, Subparts I and J may have additional application requirements at 40 CFR 122.21(r). Consult with your N NPDES permitting authority to determine what specific information needs to be submitted and when.) 5.2 V C 10.1 Do you intend to request or renew one or more of the variances authorized at 40 CFR 122.21(m)? (Check all that y apply. Consult with your NPDES permitting authority to determine what information needs to be submitted and when.) Cr ❑ Fundamentally different factors (CWA ❑ Water quality related effluent limitations (CWA Section Section 301(n)) 302(b)(2)) ❑ Non -conventional pollutants (CWA ❑ Thermal discharges (CWA Section 316(a)) Section 301(c) and (g)) Not applicable EPA Form 3510-1 (revised 3-19) Page 3 EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05119 Not Applicable NCSCO0255 Grede II, LLC OMB No. 2040-0004 SECTION 11. CHECKLIST AND CERTIFICATION STATEMENT .E CFR In Column 1 below, mark the sections of Form 1 that you have completed and are submitting with your application. 11.1 For each section, specify in Column 2 any attachments that you are enclosing to alert the permitting authority. Note that not all applicants are required to provide attachments. Column 1 Column 2 ❑✓ Section 1: Activities Requiring an NPDES Permit ❑ wl attachments ❑✓ Section 2: Name, Mailing Address, and Location ❑ w/ attachments Section 3: SIC Codes ❑ w/ attachments ✓❑ Section 4: Operator Information ❑ w/ attachments ❑✓ Section 5: Indian Land ❑ wl attachments �. ❑✓ Section 6: Existing Environmental Permits ❑ w/ attachments c ✓❑ Section 7: Map ❑✓ watopographic 0 w/ additional attachments mp Section 8: Nature of Business ❑ wl attachments o❑✓ ❑✓ Section 9: Cooling Water Intake Structures ❑ w/ attachments ✓❑ Section 10: Variance Requests ❑ w/ attachments c ❑✓ Section 11: Checklist and Certification Statement ❑ wl attachments n 32 11.2 Certification Statement 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 on 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 imprisonment for knowing violations. Name (print or type first and last name) Official title Steve McKenzie Operations Leader Signature Date signed 05/31/2022 EPA Form 3510-1(revised 3-19) Page 4 Grede I Biscoe Manufacturing Facility Stormwater Pollution Prevention Plan NPDES Permit No. NCS000255 j� Ir NCS000255 S Map Scale 1:14r000 (9GREDE .M r. V:- - Outfall 001 Latitude: N 35° 21' 32" ' Outfall 001 Longitude: W 79° 46' 02" Outfall 002 Latitude: N 35" 21' 40" Outfall 002 Longitude: W 79" 46' 08" Outfall 003 Latitude: N 35' 21' 39" Outfall 003 Longitude: W 79° 46' 10" Grede Biscoe Manufacturing Facility (BMF) Latitude: 350 21' 38" N Longitude: 79° 46' 14" W County: Montgomery Receiving Stream: Lick Creek Index No: 17-26-5-3-1 Stream class: WS-11I Sub -basin: 03.06.10 (Cape Fear River Basin) MAP 1 - SITE LOCATION MAP Facility Location WAI-07/2017 Page 5 of 28 Rev. 05-12/27/2021 SDO-003 DA = 20,006 sf Imp= 100% 1 PAM" LOI I 1 1 I 1 � 1 I �[ 11 0: 1 1 1 i i 1 1 i II 1 ` i 1 / iLlBB1 I I PARRBG Im / \ WAVn. PAdnNG LGT 1 � 1 1 1 I 1 1 I 1 1 � � I � BLDG. 3 MAIN STREET (NC 24/ 27 HWy) cNW GB '-------------- ----- L--- -- ,'1 }---SDO-002 ` GBH .. 10 182 sf Ar Imp 100°J, I i I t RfrE1VRU B01]( 1 t 4ECTR[[AL C0.15 ••:t SU&STATImI I I SBG W3 �;GBRRAtP,•hB aint At i I ApRR I YAB S`o` I IfRpl Np6' L➢. GAS SLPtNE 'WATMs BLDG.1 I wane i o.e 5W9 . �_. �iJ �smax •SDO-001B T cerzzcc _____�� •1•••.• I Machine Shop Serv5 R. C0.5 C0.13 [m Umsbl * O TasA Comyel«.s«ep GBB12 sniap. _ MRIeI d WPPUen PBlkl ■ TO GE PLUGGER (] 0 Slarpe Dumvslen \ T \ 1 I 1 Pallem EnvlmnmmlAl CBBII Sbnge EnvlMnmenlal CpniOinmenl Ht SuilelnB CP12 I I �SDO-OOIA LJ eee ` / vooDs _ PAMs � J — N SDO-UU1C �muTi+orto U BGneyBN L_J R R NF11N1 M Grede II, LLC (Montgomery County) NPDES Stormwater Permit NCS000255 Permit Coverage Renewal Application Attachment #1 - Site Map May 2022 PAST BITCH WIKMB RAWAB4 BITLN m PLGV BITG SEBRIERT PIT �IMMM SWML TAPWBS A 1J FQiBRr AI wm SEDIMEAT PIT M PH M L "[KIM SDO-001 DA= 536,469s1f� Imp = 35% o w lm Bm Boo MAP 2 - FACILITY SITE PLAN dmelopedfor Grede i Biscoe Manufacturing Facility Biscoe, NC aPCC PW, i SWPPP (MPOES Permit No. RGSGGOBBM) ALp G.o-:RM,W mitxev MwMN ..l u�.,..4:llte Bid AT.-y-sl�se•B.rwlr nRAwns A.. APPa.i PceRAn a.:c A.a SWAG tum.nr.4rtlm cm¢LLf. 19111b1A0L EPA Identification Number NPDES Permit Number Facility Name Form Approved 03105/19 Not Applicable NC5000255 Grede II, LLC OMB No. 2040-0004 Form U.S Environmental Protection Agency 2F wEPA Application for NPDES Permit to Discharge Wastewater NPDES STORMWATER DISCHARGES ASSOCIATED WITH INDUSTRIAL ACTIVITY SECTIONOUTFALL LOCATION40 1.1 Provide information on each of the facili s outfalls in the table below Outfall Receiving Water Name Latitude Longitude Number 001 Lick Creek 35° 21 32" N 790 46' 02" W c A 002 Lick Creek 350 21 40" N 79° 46 08" W 0 J 003 Lick Creek 350 21' 39" N 790 46' 10" W O G , „ O p % „ , , „ p SECTION••• 4I • 2.1 Are you presently required by any federal, state, or local authority to meet an implementation schedule for constructing, upgrading, or operating wastewater treatment equipment or practices or any other environmental programs that could affect the discharges described in this application? ❑ Yes ✓❑ No 4 SKIP to Section 3. 2.2 Briefly identify each applicable project in the table below. Brief Identification and Affected Outfalls Final Compliance Dates Description of Project (list ouHall numbers) Source(s) of Discharge Required Projected w a. E 2.3 Have you attached sheets describing any additional water pollution control programs (or other environmental projects that may affect your discharges) that you now have underway or planned? (Optional Item) ❑ Yes ❑ No EPA Form 3510-2F (Revised 3-19) Page 1 /05/19 ES Permit Facility � Identification Number I NPDNCS000255 Number I Grede 11aLLC� FormAppMB �vedo. �03�� me Not Applicable 3.1 Have you attached a site drainage map containing all required information to this application? (See instructions for c 0 specific guidance.) c ® Yes ❑ No 4.1 1 Provide information on the facility's pollutant sources in the table below. Outfall Impervious Surface Area Total Surface Area Drained Number (within a mile radlus of the facility) (within a mile radius of the facifty) specify units specify units 001 187,764 sq.ft. 536,469 sq.ft. specify units specify units 002 10,282 sq.ft. 10,282 sq.ft. specify units specify units 003 20,006 sq.ft. 20,006 sq.ft. specify units specify units specify units specify units specify units specify units 4.2 Provide a narrative description of the facility's significant material in the space below. (See instructions for content requirements.) Raw sand receiving, storage and transfer; waste/recycle sand and air pollution control devices particulate accumulation, transfer and shipment, waste slag accumulation, transfer and shipment; waste oil accumulation, ctransfer and shipment. N c 0 a 4.3 Provide the location and a description of existing structural and non-structural control measures to reduce pollutants in stormwater runoff. See instructions forspecificguidance.) Stormwater Treatment Codes Outfall Control Measures and Treatment from Exhibit Number 2F-1 (list) 001 SPCC Plan, Employee Training, Visual Inspections Not Applica 001 Retention Pond 1-U 002 SPCC Plan, Employee Training, Visual Inspections Not Applica 002 Manufactured filter device 1-Q 003 SPCC Plan, Employee Training, Visual Inspections Not Applica 003 Manufactured filter device 1-Q EPA Form 3510-2F (Revised 3-19) Page 2 EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19 Not Applicable NCS000255 Grede II, LLC OMB No. 2040-0004 5.1 l certify under penalty of law that the outfall(s) covered by this application have been tested or evaluated for the presence of non-stormwater discharges. Moreover, I certify that the outfalls identified as having non-stormwater discharges are described in either an accompanying NPDES Form 2C, 2D, or 2E application. Name (print or type first and last name) Official title Steve McKenzie Operations Leader Signature Date signed 05/31/2022 Lm 5.2 Provide the y Outfall o Number L m 001 0 002 0 z 003 9Tlk-5/on requested in the table below. Description of Testing Method Used Visual Observation During Period of Dry Weather Visual Observation During Period of Dry Weather Visual Observation During Period of Dry Weather Onsite Drainage Points Date(s) of Testing Directly Observed During Test 11/19/2021 Outfall 001; Outfall 001 Rc 11/19/2021 Outfall 002; Outfall 002 In 11/19/2021 Outfall 003 Inflow 6.1 1 Describe any significant leaks or spills of toxic or hazardous pollutants in the last three years. H None Q N L O N Y d J .a+ C C tm DI I See the instructions to determine the pollutants and parameters you are required to monitor and, in turn, the tables you must a complete. Not all applicants need to complete each table. 7.1 Is this a new source or new discharge? yo ❑ Yes 4 See instructions regarding submission of El No See instructions regarding submission of m estimated data. actual data. E Tables A, B, C, and D 7.2 Have you completed Table A for each outfall? ❑✓ Yes ❑ No EPA Form 3510-2F (Revised 3-19) Page 3 EPA Identification Number NPDES Permit Number Facility Name Form Approved 03105/19 Not Applicable NCSO00255 Grede II, LLC OMB No. 2040-0004 7.3 Is the facility subject to an effluent limitation guideline (ELG) or effluent limitations in an NPDES permit for its process wastewater? ❑ Yes ❑✓ No + SKIP to Item 7.5. 7.4 Have you completed Table B by providing quantitative data for those pollutants that are (1) limited either directly or indirectly in an ELG and/or (2) subject to effluent limitations in an NPDES permit for the facility's process wastewater? ❑ Yes ❑ No 7.5 Do you know or have reason to believe any pollutants in Exhibit 2F-2 are present in the discharge? ❑ Yes ❑✓ No + SKIP to Item 7.7. 7.6 Have you listed all pollutants in Exhibit 217-2 that you know or have reason to believe are present in the discharge and provided quantitative data or an explanation for those pollutants in Table C? ❑ Yes ❑ No 7.7 Do you qualify for a small business exemption under the criteria specked in the Instructions? ❑ Yes +SKIP to Item 7.18. ✓❑ No 7.8 Do you know or have reason to believe any pollutants in Exhibit 217-3 are present in the discharge? Q Yes ❑ No + SKIP to Item 7.10. 7.9 Have you listed all pollutants in Exhibit 2F-3 that you know or have reason to believe are present in the discharge in = Table C? Q Yes ❑ No 0 7.10 Do you expect any of the pollutants in Exhibit 217-3 to be discharged in concentrations of 10 ppb or greater? € Q Yes ❑ No + SKIP to Item 7.12. 7.11 Have you provided quantitative data in Table C for those pollutants in Exhibit 2F-3 that you expect to be discharged in concentrations of 10 ppb or greater? ny H Q Yes ❑ No 7.12 Do you expect acrolein, acrylonitrile, 2,4-dinitrophenol, or 2-methyl4,6-dinitrophenol to be discharged in concentrations of 100 ppb or greater? ❑ Yes ❑✓ No + SKIP to Item 7.14. 7.13 Have you provided quantitative data in Table C for the pollutants identified in Item 7.12 that you expect to be discharged in concentrations of 100 ppb or greater? ❑ Yes ❑ No 7.14 Have you provided quantitative data or an explanation in Table C for pollutants you expect to be present in the discharge at concentrations less than 10 ppb (or less than 100 ppb for the pollutants identified in Item 7.12)? ✓❑ Yes ❑ No 7.15 Do you know or have reason to believe any pollutants in Exhibit 2F-4 are present in the discharge? ❑ Yes Q No + SKIP to Item 7.17. 7.16 Have you listed pollutants in Exhibit 2F-4 that you know or believe to be present in the discharge and provided an explanation in Table C? ❑ Yes ❑ No 7.17 Have you provided information for the storm event(s) sampled in Table D? Q Yes ❑ No EPA Form 3510-2F (Revised 3-19) Page 4 EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05119 Not Applicable NC5000255 Grede II, LLC OMB No. 2040-0004 Used or Manufactured Toxics 7.18 Is any pollutant listed on Exhibits 2F-2 through 2F-4 a substance or a component of a substance used or cmanufactured as an intermediate or final product or byproduct? 0 0 ❑✓ Yes ❑ No SKIP to Section 8. 7.19 List the pollutants below, including TCDD if applicable. 1. Copper 4. 7. m vs 2' �� 8' t Lead Nickel SECTION• •GICAL TOXICITY TESTING DATA 40 8.1 Do you have any knowledge or reason to believe that any biological test for acute or chronic toxicity has been made on 9 any of your discharges or on a receiving water in relation to your discharge within the last three years? c c ❑ Yes ❑✓ No 4 SKIP to Section 9. 05/31/2022 8.2 Identify the tests and their purposes below. ' •,� Test(s) Purpose of Test(s) Submitted to NPDES Permitting Authority? Date Submitted 0 ~ ❑ Yes ❑ No ❑ Yes ❑ No .0 0 a ❑ Yes ❑ No m SECTION 9. CONTRACT ANALYSIS INFORMATION (40 CFR 122.21(g)(12)) 9.1 Were any of the analyses reported in Section 7 (on Tables A through C) performed by a contract laboratory or consulting firm? Q Yes ❑ No 4 SKIP to Section 10. 9.2 Provide information for each contract laboratory or consulting firm below. Laboratory Number 1 Laboratory Number 2 Laboratory Number 3 Name of laboratory/firm Pace Analytical Services Pace Analytical Services Pace Analytical Services c a .o y Laboratory address .N 9800 Kincey Ave. Ste 100, 2225 Riverside Drive, 205 East Meadow Huntersville, NC 28078 Asheville, NC 28804 Road, Suite A, Eden, NC a` 27288 Phone number v (704) 875-9092 (828) 254-7176 (336) 623-8921 Pollutant(s) analyzed Oil and Grease Cu, Pb, Ni, TSS, COD & TSS Phenols EPA Form 3510.2F (Revised 3-19) Page 5 EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19 Not Applicable OMB No. 2040-OW NC5000255 Grede II, LLC SECTION1 CHECKLIST AND CERTIFICATION, . 1 e 10.1 In Column 1 below, mark the sections of Form 2F that you have completed and are submitting with your application. For each section, specify in Column 2 any attachments that you are enclosing to alert the permitting authority. Note that not all applicants are required to com lete all sections or provide attachments. Column 1 Column 2 ✓❑ Section 1 ❑ w/ attachments (e.g., responses for additional outfalls) ❑✓ Section 2 ❑ w/ attachments IZI Section 3 0 w/ site drainage map Section 4 ❑ w/ attachments ✓❑ Section 5 ❑ w/ attachments ✓❑ Section 6 ❑ w/ attachments E ✓❑ Section 7 ✓❑ Table A ❑ w/ small business exemption request ca ❑ Table B ❑ w/ analytical results as an attachment 0 ✓❑ Table C ✓❑ Table D 0 Section 8 ❑ w/attachments h ✓❑ Section 9 ❑ w/attachments (e.g., responses for additional contact laboratories or firms) Y ❑✓ Section 10 ❑ U 10.2 Certification Statement 1 certify under penalty of law that this document and a# 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 on 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.! am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations. Name (print or type first and last name) Official title Steve McKenzie Operations Leader Signature Date signed 05/31/2022 rka EPA Form 3510-2F (Revised 3-19) Page 6 EPA Identification Number NPDES Permit Number Facility Name Outfall Number Form Approved 03105/19 Not Applicable I NCS000255 Grede II, LLC 001(Representative of 002 & 003) OMB No. 2040-0004 TABLE• • AND NON CONVENTIONAL•••• •i You must provide the results of at least one anal sis for every pollutant in this table. Complete one table for each outfall. See instructions for additional details and re uirements. Pollutant or Parameter Maximum Daily Discharge (specify units) Average Daily Discharge (specify units) Number of Stone Events Sampled Source of Information (new sourcetnew dischargers only use codes In instructions) Grab Sample Taken During First 30 Minutes Flow -Weighted Composite Grab Sample Taken During First 30 Minutes Flow -Weighted Composite 1. Oil and grease <5.0 mg/L <5.0 mg/L 2 2. Biochemical oxygen demand (BOD5) Not Required Not Required Not Required Not Required 3. Chemical oxygen demand (COD) 53.S mg/L Not Required 52.7 mg/L Not Required 2 4. Total suspended solids (TSS) 23S mg/L Not Required 88.2 mg/L Not Required 6 5. Total phosphorus Not Required Not Required Not Required Not Required 6. j Total Kjeldahl nitrogen (TKN) Not Required Not Required Not Required Not Required 7. Total nitrogen (as N) Not Required Not Required Not Required Not Required pH (minimum) 7.3 SU 7.3 SU 2 8. pH (maximum) 7.8 SU 7.8 SU 2 I Sampling shall be conducted according to sufficiently sensitive test procedures (i.e., methods) approved under 40 crK 93ti tar the analysis of pollutants or pollutant parameters or required under 40 CFR chapter I, subchapter N or 0. See instructions and 40 CFR 122.21(e)(3). EPA Form 3510-2F (Revised 3.19) Page 7 EPA Identification Number NPDES Permit Number Facility Name Outfall Number Form Approved 03/05/19 Not Applicable NCS000255 Grede II, LLC 001(Representative of 002 & 003) OMB No. 20404M TABLE C, TOXIC POLLUTANTS, CERTAIN HAZARDOUS SUBSTANCES, AND ASBESTOS (40 CFR 122.26(c)(1)(i)(E)(4) and 40 CFR 122,21(g)(7)(vi)(B) and (vii))' List each pollutant shown in Exhibits 2F-2, 2F-3, and 2F4 that you know or have reason to believe is present. Complete one table for each outfall. See the instructions for additional details and requirements. Maximum Daily Discharge Average Daily Discharge Source of Pollutant and CAS Number ('davailable) s ' units) (spe units Number of Storm Events Sampled Information (new source/new Grab Sample Taken Flow -Weighted Grab Sample Taken Flow -Weighted During First 30 Minutes Composite During First 30 Minutes Composite dischargers only, use codes in instructions) Lead (7439-92-1) 0.0079 mg/L Not Required 0.0031 mg/L Not Required 4 Copper (7440-50-8) 0.045 mg/L Not Required 0.034 mg/L Not Required 6 Nickel (7440-02-0) 0.0036 mg/L Not Required 0.0009 mg/L Not Required 4 Phenols <0.02 mg/L Not Required <0.02 mg/L No Required 2 I Sampling shall be conducted according to sufficiently sensitive test procedures (i.e., methods) approved under 40 CFR 136 for the analysis of pollutants or pollutant parameters or required under 40 CFR chapter I, subchapter N or 0. See instructions and 40 CFR 122.21(e)(3). EPA Form 3510.2F (Revised 3.19) page 11 EPA Identification Number NPDES Permit Number Facility name Outfall Number Form Approved 03/05/19 Not Applicable NCS000255 Grede II, LLC 001(Representative of 002 & 003) OMB No.204OaW • i D. STORM EVENT INFORMATION CFR• • Provide data for the storm event(s) that resulted in the maximum daily discharges for the flow -weighted composite sample. Total Rainfall During Number of Hours Between Maximum Flow R Duration of Storm Event ate Date of Stone Event Storm Event During Rain Event Beginning of Storm Measured and Total Flow from Rain Event (in hours) End of Previous Measurable Rain (in gallons or specify units) (in inches) End (in gpm or specify units) 06/22/2021 7.25 hours 0.52 >72 0.07 MG Provide a description of the method of flow measurement or estimate. 09/21/2021- 8.75 hours - 0.67 inches - >72 hours - 0.09 MG 11/04/2021 - 19.58 hours - 0.38 inches - >72 hours - 0.05 MG 12/21/2021- 9.0 hours - 0.10 inches - >72 hours - 0.01 MG 01/20/2022 -18.5 hours - 0.3 inches - >72 hours - 0.04 MG 03/16/2022 - 24.0 hours - 0.25 inches - >72 hours - 0.03 MG EPA Form 3510-2F (Revised 3.19) Page 13 Grede I Eiscoe Manufacturing Facility Stormwater Pollution Prevention Plan NPDES Permit No. NCS000255 Y ' l:Yrr Grede BFM NCS0O0255 N N-E S Map Scale 1:14,000 L OGREDE \ i Outfall 001 Latitude: N 35° 21' 32" Outfall 001 Longitude: W 79. 46' 02" Outfall 002 Latitude: N 35' 21' 40" Outfall 002 Longitude: W 79° 46' 08" Outfall 003 Latitude: N 35" 21' 39" Outfall 003 Longitude: W 79° 46' 10" Grede Biscoe Manufacturing Facility (BMF) Latitude: 35° 21' 38" N Longitude: 79° 46' 14" W Griunty: Montgomery Receiving Stream: Lick Greek Index No: 17-26-5-3-1 Stream Class: WS-ill Sub -basin: 03-06-10 (Cape Fear River Basin) MAP I - SITE LOCATION MAP ��Aq frr.1 :��4.•va h Facility Location WAI-07/2017 Page 5 of 28 Rev. 05-12/27/2021 $DO-003 DA = 20,006 Imp = 100% 1 I auv[i irmms iLLr 1 1 1 1 1 I 1 1 1 I � I � 1 / ---------- _ t` ------'\ — BLDG. 3 DIA� C 24127 HWy) 2g2 - cstlee ---------------- 1--____ SDO-002 _ I CBpI 1 ..... _........ De1.. � Or282 sf 1 All=Imp=166% `) A • Bc¢rvoc DCN 1 1 a 1 S suesrarmx ) co-ls i � .3 t nt 1 : I I I I I � I Ip/wO1K� L➢. fA3 Siena¢ BLDG.1 •'+ I I :i CoO Wm ; SIN SDO-0016 SbmOa �: Machine Shop `SDO-ODIC n C0.11 �\I I Pytl+g 011 S�av'I� t SIRpa�om C0.5 O C0.13 (WNe) rraatl Compaw, Baap I ■ TO � 0.LG® `{L-11 0 O Sbra9e Dump%lere T I 1 I 1 I Patlem � Envimm�cenMl I [8PLL Storage En,WaplMl. CPNainrtrenl C0.13 I �, �SDO-001A 7 _ Pentls �' `••_ DUN B.".W SDO-001 DA = 536,469 Imp = 35% Grede II, LLC (Montgomery County) NPDES Stormwater Permit NCS000255 Permit Coverage Renewal Application Attachment #1 - Site Map May 2022 W N ORO SE AS PR N O DO W an 300 MAP 2 - FACILITY SITE PLAN doelopedfor P^ M 1 Grede i Biscoe Manufacturing Facility/y Biscoe, NC fJ ` SPCC Nu,SSWPPP (NPOM Pam%It Na NWOOOM) N.Pno-:tlMW av,amvmawu P.w.+p...�prlle,Pm V®5 a1NSuk: Sn h�Se,k 1120N%P K�aPPn) C1MN T:LJSWq SWSG sw...,o-se.a., c.a. Lu ntq.w-+w