Report Title: Inspection Dates: Regulatory Program: Type of Activity: Site Name: Permittee(s): Site Operator: Site Location Latitude: County/Parish: Permit Numbers: DSB-ID #: Clean Water Act Compliance Inspection Report 11/09/2023 National Pollutant Discharge Elimination System (NPDES) NPDES Compliance Inspection Takoma Development CBG Building Company CBG Building Company 6896 Laurel St NW Washington, DC 20012 38 58' 25" N Longitude: 77 00' 48" W District of Colombia DCR1000AV ECAD-667 Facility Representatives: Nick Aboelenin, Project Manager Phone: 202-324-6785 Email: Mike Blalock, Superintendent Phone: 571-302-8369 Email: Point of Contact X Nick.aboelenin@cbgbc.com Mike.blalock@cbgbc.com EPA Inspector(s): Monica Crosby, Inspector Phone: 410-305-2930 Kaitlin McLaughlin, Inspector Phone: 215-814-2393 Email: Email: crosby.monica@epa.gov mclaughlin.kaitlin@epa.gov Report Preparer Signature/Date Supervisor Signature/Date MONICA CROSBY Digitally signed by MONICA CROSBY Date: 2024.01.18 13:05:12 -05'00' Monica Crosby, Inspector (3ED32) Date U.S.

Science for Climate Our carbon goal will make 3M achieve carbon neutrality in operations by 2050 while aiming for a 50% reduction of carbon emissions by 2030 and 80% by 2040 (note: 2019 is the baseline measure year) Science for Community Our social goals expand opportunities for underrepresented communities to participate and succeed in the future workplace, and make 3M lead in social equity and justice 2965137 Vision: The Fluorine Cycle Perfluorinated Fluoropolymer: ts 5 Partially Fluorinated Fluoropolymers = ~= | = * Circular technology Can be used for Fluoropolymers Manufacturing waste or post-use industrial material is decomposed back to key raw materials Raw materials can be used to produce new PTFE Pilot scale for perfluorinated Fluoropolymers demonstrated in Burgkirchen, D Reduced Environmental Impact for Perfluoropolymers per 1,000 t TEE produced: ) ( 5,000) Chlorine (10,0001) CO, (10,000 t) Acid byproduct (12,0001) Sulfuric acid ( 3,000t) Gipsum Pilot Plant development was supported by German Federal Ministry for Environment, Nature Conservation and Nuclear Safety 2965137 Our PFAS-enabled applications: Our fluorinated materials: Energy-efficient Window Films My Certain Medical devices I Certain Personal Protective Equipment I RE products (= Wind blade Protective coating) [I Road Safety products (= Pavement marking films, Traffic sign films) [W] Products used in electronics, automotive, aerospace and construction: automotive adhesive products coated masking paper adhesive transfer tapes double coated tapes foam tapes enhancing and shielding tapes 3M 2021.

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) January 22, 2026 Water NPDES Stormwater/CWA 402 Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact 1: Facility Contact 2: Northstar Builders Group, LLC Royse City ISD Middle School 3 Southwest of FM 35 and Co Rd 2584 Royse City, TX 75189 3401 Olympus Blvd Ste 510 Coppell, TX 75019 Hunt 972-745-6900 Paul Rouse Director of Safety and Quality Control prouse@nstarbuilders.com, 817-773-1313 Glenn Knight Superintendent gknight@nstarbuilders.com, 469-525-5208 FRS Number: Identification/Permit Number: Media Identifier Number: NAICS: SIC: N/A TXR1515SK N/A 236220 1629 Personnel participating in inspection: Destinee Agwuna EPA Region 6 ECADWA Paul Juarez EPA Region 6 ECADWA Paul Rouse Northstar Builders Group, LLC Glenn Knight Northstar Builders Group, LLC Inspector Inspector Director of Safety and Quality Control Superintendent EPA Lead Inspector Signature/Date DESTINEE AGWUNA Date: 2026.02.18 07:54:25 -06'00' Digitally signed by DESTINEE AGWUNA Destinee Agwuna Date Supervisor Signature/Date ANTHONY LOSTON Anthony Loston Digitally signed by ANTHONY LOSTON Date: 2026.02.18 09:11:52 -06'00' Date 6ENFORM-019-R9 (02/27/2025) 1 Northstar Builders Group, LLC / Royse City ISD Middle School 3 Permit #: TXR1515SK Inspection Date: 01/22/2026 Section I - INTRODUCTION PURPOSE OF THE INSPECTION U.S.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION III Four Penn Center 1600 John F.

The lead operator has a Class A,E, Wastewater & Subclass 1,2,3,4 1 Source: NOAA National Climatic Data Center (http://www.ncdc.noaa.gov/).

This was an EPA lead inspection. 8) Facility Description Murakami is a subsidiary of Murakami Corporation, which was founded over 135 years ago.

Final effluent from the WWTF is discharged on a continuous basis to an unnamed tributary that leads to the Missouri River. 2 The WWTF consists of the following: Three Cell Wastewater Stabilization Lagoons Total Surface area of 11.62 acres Cell 1: 5.96 Acres Cell 2: 3.70 Acres Cell 3: 1.96 Acres The facility has a design flow of 0.200 Million Gallons per Day (MGD).

NPDES Inspection Report - Wastewater Treatment Facility National Database Information Inspection Date: August 22, 2023 Inspection Type: CEI - Wastewater Treatment Facility Entry/Exit Time: Opening Conference: 08:30 am-10:30 am Site Review: 2:59 pm-3:15 pm NPDES ID Number: NDG589405 NAICS Code: 221320 Inspection ID: 202308_NDG5890405 Lead inspector and affiliation: Akash Johnson / EPA Region 8 Inspector and affiliation: Brit Rustad / EPA Region 8 Facility Location Information Site/Facility Name & Location: San Haven Wastewater Treatment Facility Lat/Long: 48 49' 49.81" N, 100 2' 26.91" W (lagoon) Rolette County, ND 58329 Email Report to: Kenny Azure, Director, TMPUC (b) (6) Contact Information Name(s)/Title Kenny Azure / Director / TMPUC / present for part of opening conference Facility Contacts: Person/Company meeting definition of "Operator" Authorized Official(s) (Per NOI?)

EPA Small Business Resource Information Sheet (EPA Handout) x Solvent-Contaminated Wipes Final Rule Chart (EPA Handout) x Recycling Electronics (Iowa Department of Natural Resources - IDNR Handout) x Lead-Based Paint Activities (IDNR Handout) x Excluded Solvent-Contaminated Wipe Rule (IDNR Handout) x Battery Recycling/Disposal (IDNR Handout) x Management of Fluorescent Lamps for Businesses (IDNR Handout) x Incompatible Chemicals (IDNR Handout) x Universal Wastes Including Aerosol Cans (IDNR Handout) x TCLP Waste Determination Testing (IDNR Handout) x Industry Sector Notebooks (EPA Handout) x Environmental Compliance Assistance Centers (EPA Handout) x e-Manifest Fact Sheet (EPA Handout) x RCRA Online A Quick Reference Guide (EPA Handout) x Requirements for Used Oil Management Standards (EPA Handout) x Emergency Response Program (EPA Handout) x Commercial Motor Vehicle Transportation System Security & Safety (EPA Handout) x Security Awareness (EPA Handout) x Chemical Facility Anti-Terrorism Standards (Homeland Security Handout) x Iowa Life/Changing Iowa Department of Economic Development - Iowa Environmental Guide for Business 4.0 FINDINGS AND OBSERVATIONS 4.1 Facility Information and Operations Route 69 Vapor is a retail vape shop that sells both disposable and rechargeable vape devices, as well as various flavored nicotine e-liquids.

Lead is a " toxic chemical" within the meaning of 40 C.F.R. 372.3 and 372.65.

Burgos then lead EPA to the bank of the Ro de la Plata where earth moving work had occurred.

Jonathan Moody, Lead Inspector Facility Representative(s): 1.

.-11:20 a.m. on 8/21/2024 NPDES ID Number: SDG589510 NAICS Code: 221320 Inspection ID: 202408_SDG589510 Lead inspector and affiliation: Jennifer Ferrando / EPA Region 8 Inspector and affiliation: Brit Rustad / EPA Region 8 Facility Location Information Site/Facility Name & Location: Sharps Corner Lagoon Lat/Long: 4323'19.21"N, 10223'48.31"W Intersection of BIA Hwy 2 and BIA Hwy 27 Porcupine, SD 57772 Email Report to: Ernie Abold, Director, Oglala Sioux Tribe (OST) Water & Sewer h20sewer@gwtc.net Contact Information Facility Contacts: Person/Company meeting definition of "Operator" Authorized Official(s) Name(s)/Title Ernie Abold / Director / OST Water & Sewer / present during the opening and closing conferences as well as the inspection James Begeman / Tribal Utility Consultant / Indian Health Service (IHS) / present during the opening and closing conferences as well as the inspection Oglala Sioux Tribe, Water and Sewer (OST Water & Sewer) Ernie Abold / Director / OST Water & Sewer Permit Information Is the permit on site and available?

ELECTRONIC MAIL CONFIRMATION OF EMAIL RECEIPT REQUESTED Chairman Alvin Woods Macon County Water Authority 401 Fonville Street Tuskegee, Alabama 36083 alvinwoods34096@gmail.com Re: Notice of Noncompliance and Concerns Pursuant to Section 1414(a)(1)(A) and Request for Information Pursuant to Section 1445(a)(1) of the Safe Drinking Water Act, 42 U.S.C. 300g-3(a)(1)(A) and 300j-4(a)(1), Macon County Water Authority in Tuskegee, Macon County, Alabama.

This was an EPA lead inspection. 8) Previous Inspection History The last RCRA compliance evaluation inspection was performed at the facility on February 24, 2017 by MDEQ personnel.