Document XzeKQGVXoJ1kwEw4jBMMoo2jB
Inspection Entry Date/Time Inspection Exit Date/Time Weather Media Statute(s)/Program(s) Type of Inspection
EPA Region 5 Enforcement and Compliance Assurance Division INDUSTRIAL USER PRETREATMENT SCREENING INSPECTION REPORT
3/27/2025 12:00 PM 3/27/2025 12:25 PM
AM PM CT ET | Announced: Y N AM PM CT ET |Access Granted: Y N
Water Clean Water Act, National Pollutant Discharge Elimination System (NPDES) Industrial User Screening Inspection (Pretreatment Direct Implementation)
Facility or Site Name Facility/Site Physical Address City, State, Zip Code County/Borough/Parish Facility GPS Coordinates Mailing Address (If Different) City, State, Zip Code Owner (If Different from Facility)
Operator (If Different from Owner)
Address City, State, Zip Code Serviced by WWTP? (WWTP Name or N/A)
FRS ID Permit Number(s) SIC and/or NAICS Code
NNM Manufacturing D.B.A. Peterson Manufacturing 24133 W 143rd St Plainfield, IL 60544 Will County
Michael Goich
Yes
3479
Lead Inspector
Name:
Joseph Forth
Region:
EPA Region 5
Email:
Forth.Joseph@epa.gov
Phone:
(312) 886-7275
Signature & Date:
Forth, Joseph
Digitally signed by Forth, Joseph Date: 2025.05.20 15:15:55 -05'00'
Supervisor Review
Name:
Molly Smith
Region:
EPA Region 5
Email:
Smith.Molly@epa.gov
Phone:
(312) 353-8773
Signature & Date:
MOLLY SMITH
Digitally signed by MOLLY SMITH Date: 2025.05.23 11:16:49 -05'00'
NNM Manufacturing Inspection Date: 3/27/2025
SECTION I - INTRODUCTION
Site Entry/Opening Conference and Inspection Objectives EPA Region 5 Inspector(s) Joseph Forth and Megan Bobb arrived at NNM Manufacturing (the "Facility"), located at 24133 W 143rd St, Plainfield, IL 60544 at 12:00 PM CT on March 27, 2025, for an unannounced inspection.
EPA Region 5 Lead Inspector Joseph Forth:
Presented credentials to the Facility.
Informed the Facility that this was a US EPA Region 5 Industrial User Screening Inspection to gather Facility information, including on its industrial process and wastewater management as authorized by Clean Water Act (CWA) Section 308 and implementing regulations.
Discussed the right to claim Confidential Business Information (CBI) on any document or information shared with EPA during or after the inspection.
The EPA representatives conducted an opening conference with the Facility representatives (See table below) explaining the information gathering checklist.
This report is based on information gathered prior to, during, or subsequent to the inspection. The information was either supplied by the Facility, directly observed by EPA Region 5 inspector(s), or obtained through records and reports maintained by the Facility and Region 5. Records and reports may include verbal or written statements provided by the Facility, materials, process information, data, or other documents shown, demonstrated, or submitted to the EPA Region 5 inspectors. In addition, information gathered from EPA, State, and/or public records may be included in this report.
Attendees (US EPA, Facility, State, Local)
Organization Attendee Name
EPA Region 5 Joseph Forth
EPA Region 5 Megan Bobb
NNM
Randy Fugett
NNM
Bill Lorane
Title
Lead Inspector Inspector General Manager Maintenance Manager
Contact Information Email
Forth.Joseph@epa.g ov Bobb.Megan@epa.go v randyf@petersonmfg.com
Present at Opening Conference Yes
Yes
Yes
No
Present at Closing Conference Yes
Yes
Yes
Yes
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NNM Manufacturing Inspection Date: 3/27/2025
SECTION II - INDUSTRIAL USER SCREENING CHECKLIST
SECTION II.A - Business Activity/Category 1. Provide a brief general description of all operations at this facility (detailed process unit information noted in
Section II.F). Welding, forming, metal fabrication and machining.
2. Does the Facility have an available process diagram, flow diagram, and/or general facility diagram that can be viewed by the inspectors? Yes No
3. If the facility employs or will be employing processes in any of the industrial categories or business activities listed below (regardless of whether they generate wastewater, waste sludge, or hazardous waste), place a check beside that category or business activity. Check all that apply.
Airport Deicing
Leather Tanning and Finishing
Aluminum Forming
Meat and Poultry Products
Asbestos Manufacturing
Metal Finishing
Battery Manufacturing
Metal Molding and Casting (Foundries)
Canned and Preserved Fruit and Vegetable Processing Metal Products and Machinery
Canned and Preserved Seafood Processing
Mineral Mining and Processing
Carbon Black Manufacturing
Nonferrous Metals Forming
Cement Manufacturing
Nonferrous Metals Manufacturing
Centralized Waste Treatment
Oil and Gas Extraction
Coal Mining
Ore Mining and Dressing
Coil Coating
Organic Chemicals, Plastics, and Synthetic Fibers
Concentrated Animal Feeding Operation and Feedlots Paint Formulating
Concentrated Aquatic Animal Production
Paving and Roofing Manufacturing
Construction and Development
Pesticide Chemicals
Copper Forming
Petroleum Refining
Dairy Product Processing or Manufacturing
Pharmaceutical Manufacturing
Dental Office
Phosphate Manufacturing
Electrical and Electronic Components Manufacturing Photographic Processing
Electroplating
Plastics Molding and Forming
Explosives Manufacturing
Porcelain Enameling
Fertilizer Manufacturing
Pulp, Paper, and Paperboard Manufacturing
Ferroalloy Manufacturing
Rubber Manufacturing
Glass Manufacturing
Soap and Detergent Manufacturing
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NNM Manufacturing Inspection Date: 3/27/2025
SECTION II.A - Business Activity/Category (Continued) Grain Mills Gum and Wood Chemicals Manufacturing Hospital Ink Formulating Inorganic Chemicals Manufacturing Iron and Steel Manufacturing Landfill
Steam Electric Power Generating Sugar Processing Textile Mills Timber Products Transportation Equipment Cleaning Waste Combustors Other:
4. Date of Facility Construction:
1972
Start Date of Current Operations or Date(s) of Significant Became NNM Manufacturing in 2002
Process Changes:
Date of Last Facility Ownership Change(s):
Became NNM Manufacturing in 2002
Section II.B - Facility Sewer Information
1. a. Is the facility connected to a public or private sanitary sewer system? Yes (Private) Yes (Public) No Nb.aImF YeEoSf: pAureblaicnysepwroecressysswteamst:ewater streams discharged directly to the public or private sewer system? Yes No
c. IF YES: Does the facility have a permit with a Publicly Owned Treatment Works (POTW) or are they a copermittee on a permit to discharge process wastewater to the public sewer system? Yes No
IF NO: Has the facility applied for a sanitary sewer connection? Yes No
2. a. Is there an on-site treatment system for process wastewater? Yes No (IF YES: Also See Section II.H)
IF YES: b. Does the on-site treatment system effluent discharge to the public sewer system? Yes No c. Does the on-site treatment system effluent discharge to a surface waterbody? Yes No d. Does the facility have a permit to discharge the effluent directly to a waterbody? Yes No
Permit Number(s):
3. List the location and average flow of each discharge pipe that connects to the sanitary sewer system.
Location of Sewer Connection Unknown
Average Flow (gpd) Unknown
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NNM Manufacturing Inspection Date: 3/27/2025
Section II.C - Facility Operational Characteristics
1. Hours of Operation: 7:00 AM - 3:00 PM
Shift Information
Mon
Tue
Shifts Per Workday 1
1
Wed 1
Thu 1
Fri 1
Sat
Sun
2. Indicate whether the business activity is:
Continuous throughout the year
Seasonal
Months in operation: J F M A M J J A S O N D
3. Indicate whether the facility discharge is:
Continuous throughout the year
Seasonal
Months when discharges occur: J F M A M J J A S O N D
4. List types and amounts (mass or volume per day) of raw materials used or planned for use:
Raw Material
Amount
Raw steel Welding wire
Unknown Unknown
5. List types and quantities (mass or volume per day) of chemicals used or planned for use:
Chemical Oils
Quantity 55-gallon drum per month
Lubricants
55-gallon drum per month
Paint
2-3 55-gallon drums per month
Paint thinners
Unknown
6. Were copies requested of the process diagram, flow diagram, and/or general facility diagram? Yes No 5
NNM Manufacturing Inspection Date: 3/27/2025
Section II.D - Spill Prevention
1. Does the facility have liquid storage containers onsite (tanks, drums, totes, bins, ponds, etc.)? Yes No List Types: 55-gallon drums
2. Does the facility have floor drains in the manufacturing area or where liquids are stored? Yes No IF YES: Describe where they drain to:
3. Could an accidental spill at the facility lead to any of the following discharges? Check all that apply.
On-site disposal/treatment system
Ground (outside)
Public sanitary sewer system
Floor (inside)
Storm drain
Other Specify:
4. Does facility have a spill prevention plan to prevent spills of liquids from entering the Control Authority's collection/sewer system?
Yes No N/A (No potential for spill to discharge to public sewer/collection system)
Section II.E - Water Supply
1. Water Source: Municipal Water Utility: Specify: City of Plainfield
SpePcriifvya:te Well
Surface Water
Other: Specify:
2. Provide the following information for all water usage at the facility:
Type of Water Use Sanitary
Average Water Usage (gpd)
Non-contact cooling water
Boiler feeding Process
Unknown
Equipment/facility washdown
Contact cooling water
Air pollution control
Irrigation and lawn watering
Contained in product
Other:
Total:
Estimated or Measured Plasma table, only evaporative losses
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NNM Manufacturing Inspection Date: 3/27/2025
Section II.F - Wastewater Discharge Information
1. Provide the following information for all wastewater generated (gallons per day - GPD) at the facility:
Type of Wastewater
Average Volume (GPD)
Maximum Volume (GPD)
Estimated or Type of Measured Discharge
Where Discharges To
Sanitary
Non-contact cooling water Boiler blowdown
Equipment/facility washdown Contact cooling water Air pollution control
Stormwater runoff
Process wastewater
Use Table Below (II.F - 2)
Other:
Other: 2. Provide the following information for process wastewater generated by each unit process:
Unit Process Description
Average Volume (GPD)
Maximum Volume (GPD)
Estimated or Measured
Type of Discharge
Where Discharges To
3. Do batch discharges to the sanitary sewer system occur (or will occur)? Yes No Number of batch discharges per time period (specify per day, week, month, etc.): Average volume per batch discharge (gal): Flow rate (GPM):
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NNM Manufacturing Inspection Date: 3/27/2025
Section II.F - Wastewater Discharge Information (Continued)
4. a. Does the facility have (or plan to have) continuous wastewater flow metering equipment? Yes No b. Does the facility sample wastewater? Yes No IF YES: c. Are Grab Samples Collected? Yes No d. Are Composite Samples Collected? Yes No ee.. Are there plans to add sampling activities for process wastewater? Yes No f. Describe the present or planned future location(s) for process wastewater sampling and describe the equipment used to sample (i.e. auto samplers/manual collection):
5. Describe the flow rates for discharge of process wastewater to the sanitary sewer system: N/A
Average Daily Flow Rate (GPD)):
Maximum Daily Flow Rate (GPD):
Hours per day of process wastewater discharge to sanitary sewer system: (e.g., 8):
Mon
Tue
Wed
Thu
Fri
Sat
Sun
6. Has the discharge at this facility changed historically? Yes No
AIFreYEaSn:yBprireofclyesdsecshcrainbgeetshoerseexcphaannsgieosnasnpdlatnhneeirdedffuercintsgotnhethneewxtatshtereweayteerarvsotluhmatecoaunlddcahlaterarcwtearsitsetiwcsa:ter volumes or characteristics (i.e., substantially increase/decrease flow characteristics/flow rates) to the sewer in the future?
Yes No
7. Are there any wastewater recycling or reclamation systems in use or planned? Yes No
IF YES: Briefly describe the recovery process, substance recovered, percent recovered, and the concentration in the spent solution:
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NNM Manufacturing Inspection Date: 3/27/2025 Section II.G - Slug Discharge Control 1. Do you have the potential for a slug discharge to the sewer system? Yes No
A slug discharge is any discharge of a non-routine episodic nature, including but not limited to an accidental spill or a non-customary batch discharge, which has a reasonable potential to cause interference or pass-through, or in any other way violate the POTW's regulations, local limits, or permit conditions [40 CFR 403.8(f)(2)(v)]. 2. IF YES: Describe the type of potential slug discharge including quality and content:
3. Describe the current mechanisms for prevention of slug discharges.
Section II.H - Treatment
1. Is any form of process wastewater treatment (see list below) used at this facility? Yes No
IF YES: Place a check beside the treatment devices or processes that are used (or will be used) for treating wastewater or sludge at this facility. Check all that apply.
Air flotation Centrifuge Chemical precipitation Chlorination Cyclone Filtration Flow equalization
Grease trap Grinding filter Grit removal Ion exchange Neutralization, pH correction Ozonation Reverse osmosis
Screen Sedimentation Septic tank Solvent separation/recovery Spill protection Sump Rainwater diversion or storage
Grease or oil separation Biological treatment: Specify Other chemical treatment: Specify Other physical treatment: Specify Other: Specify
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NNM Manufacturing Inspection Date: 3/27/2025
Section II.H - Treatment (Continued)
2. Do you have a treatment operator(s)? Yes No N/A IF YES: Provide the following information:
Name:
Operator Class/Type:
Title:
Hours:
Phone:
Name:
Operator Class/Type:
Title:
Hours:
Phone:
Name:
Operator Class/Type:
Title:
Hours:
Phone:
Name:
Operator Class/Type:
Title:
Hours:
Phone:
3. Is any form of wastewater treatment (or changes to existing wastewater treatment) planned for this facility within the next three years? Yes No
IF YES: Describe any changes in treatment or disposal methods planned or under construction for the wastewater discharge to the sanitary sewer and estimated completion dates.
Section II.I - Non-Discharged Wastes
1. Are any waste liquids or sludges generated and not disposed of in the sanitary sewer system? Yes No
IF NO: Skip the remainder of Section II.I.
IF YES: List in the table below:
Waste Generated Waste oil
Quantity (per year) 1700 gal- 2000 gal
Disposal Method Crystal Clean-Heritage
2. Describe where and how waste liquids and sludges are stored prior to disposal. Waste oil drums in waste storage area.
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NNM Manufacturing Inspection Date: 3/27/2025
Section II.I - Non-Discharged Wastes (Continued) 3. If any facility wastes are sent to an off-site centralized waste treatment facility, identify the facility and the wastes
that it receives: Unknown
4. If an outside firm removes any of the wastes, list the name, address, and permit number of all waste haulers:
Name Crystal Clean-Heritage
Address
Permit Number (if applicable)
5. Have you been issued any federal, state, or local environmental permits? Yes No IF YES: List the permits:
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NNM Manufacturing Inspection Date: 3/27/2025 Section III - Closing Conference and Follow Up Closing Conference The EPA Region 5 Lead Inspector, Joseph Forth, held a closing conference with Randy Fugett at 12:25 PM CT on March 27, 2025. During the closing conference, Joseph Forth restated the purpose of the inspection and explained that a copy of the final inspection checklist will be provided to the Facility.
Facility representative made a claim of CBI during the inspection: Yes No Name/Title of Facility Representative making the CBI claim:
Requested Documents At the time of the inspection, EPA did not request any follow up documents. Communication Log EPA did not receive any additional information following the inspection.
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