Licensed asbestos, lead-based paint, mold, radon & water testing across Chicago and the surrounding 100 miles. AIHA-accredited lab. Call 331-462-2711. Air Asbestos Lead Mold Radon Water Test-only. No remediation. No conflict of interest. US Environmental Testing Environmental Health & Safety Services “We are Illinois’ leading environmental testing authority (2026) operating under EPA, ANSI, HUD, and OSHA-aligned protocols.” Serving EPA Regions 4,5, and 9. Certified radon, asbestos, mold, lead, VOC, and water quality testing for residential, commercial, industrial, government, HUD, and multi‑family properties. Call Today - Test Tomorrow! Click to Call/Schedule Why Choose US Environmental Testing? No AI assistants to answer to, only live technicians helping your throughout your testing process. Certified inspectors Clear, audit‑ready documentation Dedicated Inspector / Service Professional for your site, throughout entire process & after for help. EPA, OSHA, HUD, and State & Federal Compliant Fast turnaround Multi‑state coverage Environmental Testing US Environmental Testing delivers certified, data‑driven environmental testing services designed to protect people, property, and compliance. Our processes ensure faster reporting, clearer documentation, and superior accuracy across all sectors. All team members hold Federal and State licensing in all service areas and across EPA Regions 4, 5, and 9. Your one-stop Environmental Testing Company Northern Illinois Counties Served: 24-Hour response time DuPage County Cook County Lake County McHernry County Boone County Winnebago County Kane County Kendall County Grundy County Will County Kankakee County All other Illinois Counties by appointment. See other service areas here EPA Region 4 Alabama, Mobile (Statewide) Florida, Tallahassee (Statewide) Georgia, Savanah (Statewide) Kentucky, Lexington (Statewide) Mississippi, Jackson (Statewide) North Carolina, Raleigh (Statewide) South Carolina, Columbia (Statewide) EPA Region 5 Illinois, Chicago (Statewide) Indiana, Indianapolis (Statewide) Michigan, Detroit (Statewide) Minnesota, Minneapolis (Statewide) Ohio, Columbus (Statewide) Wisconsin, Madison (Statewide) EPA Region 9 American Samoa, Tafuna (Territory wide) Arizona, Phoenix (Statewide) California, Los Angeles (Statewide) Guam, Dededo Hawaii, Honolulu (Statewide) Nevada, Las Vegas (Statewide) Northern Mariana Islands Saipan Agriculture Radon, mold, and chemical vapor testing for barns, greenhouses, grain storage units, and farmhouses. Business Workplace radon testing and indoor air quality assessments for offices, warehouses, and commercial buildings. Commercial Certified radon, mold, VOC, and air quality testing for commercial buildings. Daycares & DCFS Certification Testing DCFS‑compliant asbestos, lead-paint, mold, radon, and water testing for licensed childcare centers. Education Radon testing for K–12, early childhood, and special education facilities. Government Building Environmental testing for public buildings, municipal facilities, and government offices. Healthcare Air and water quality testing for hospitals, clinics, dental offices, and nursing homes. US Department of Housing and Urban Development (HUD) HUD‑compliant asbestos, lead, mold, and radon inspections. Industrial OSHA/EPA‑aligned asbestos, lead, mold, radon, and VOC testing for factories and industrial sites. Insurance Claims Claim‑ready environmental testing for asbestos, lead, mold, radon, and water infiltration. Multi-Family Environmental testing for apartments, condos, Co-Ops, and HUD‑assisted housing. Keywords: multi‑family radon testing, apartment mold inspection. Real Estate Pre‑sale and pre‑purchase environmental inspections for buyers, sellers, and agents. Blog 331-462-2711 Request Quote

Air Asbestos Lead Mold Radon Water Test-only. No remediation. No conflict of interest. Read More Asbestos: Thermal System Insulation (TSI) Inspection & Sampling AHERA Inspection/ Sampling Insurance Claims Limited Inspections Property Management Risk Assessments Commercial, Industrial, Institutional, Residential Lead-based Paint: Inspection & Sampling Air Monitoring Air Sampling Clearance Testing Direct Sampling Dust Sampling HUD Insurance Claims Limited Inspections Property Management Risk Assessments Commercial, Industrial, Institutional, Residential "Mold " Sampling: Fungal Spore Analysis Inspection & Sampling Air Monitoring Air Sampling Clearance Testing Direct Sampling Dust Sampling Insurance Claims Limited Inspections Property Management Risk Assessments Commercial, Industrial, Institutional, Residential Water Infiltration / Natural Distaster Radon Detection: Inspection & Sampling DCFS Radon testing Initial testing Follow-up testing Home Owners Associations HUD Property Management Real estate transactions Commercial, Industrial, Institutional, Residential Certified Water Testing Inspection & Sampling DCFS Radon testing Initial testing Follow-up testing Home Owners Associations HUD Property Management Real estate transactions Commercial, Industrial, Institutional, Residential Blog 331-462-2711 Request Quote US Environmental Testing LLC Asbestos Inspections Lead-Based Paint Inspections Mold Assessments Radon Testing & Mitigation Planning Certified Water Testing US Environmental Testing LLC provides professional environmental inspection, sampling, testing, and assessment services throughout Chicago, Illinois, and surrounding communities. We help homeowners, buyers, sellers, real estate professionals, property managers, schools, childcare facilities, healthcare organizations, contractors, commercial property owners, and government agencies identify environmental hazards and make informed decisions about the buildings and properties they own, occupy, manage, or purchase. Environmental hazards are not always visible. Radon gas, asbestos-containing building materials, lead-based paint, indoor mold, and contaminated drinking water can create significant concerns for occupants, property owners, and building operators.Our approach combines professional field inspections, appropriate sampling procedures, recognized industry standards, laboratory analysis, and understandable reporting to help clients identify potential environmental concerns. US Environmental Testing LLC — Professional Environmental Testing. Reliable Information. Informed Decisions. Radon Testing, Radon Detection & Radon Mitigation Planning Radon is a naturally occurring radioactive gas produced by the breakdown of uranium in soil and rock. It can enter buildings through foundation cracks, floor penetrations, sump pits, crawlspaces, and other openings. Radon is colorless, odorless, and cannot be detected without proper testing. US Environmental Testing provides professional radon testing and detection services for residential, commercial, multifamily, institutional, and government properties. Our radon services include: Licensed, Professional residential radon testing Commercial building radon testing. Short-term and long-term radon measurements. Real estate radon testing for buyers and sellers. Radon testing for schools and educational facilities Radon testing for daycare centers and childcare facilities DCFS-related daycare and childcare radon testing support HUD-related radon testing and environmental assessment support Radon mitigation system evaluations Radon mitigation planning installation coordination Post-mitigation radon testing and verification The U.S. Environmental Protection Agency (EPA) recommends taking action to reduce indoor radon concentrations at or above 4.0 pCi/L. Testing is the only way to determine whether a building has elevated radon concentrations. Local Radon Testing & Mitigation Services Looking for radon testing near me or professional radon mitigation installers near me? US Environmental Testing serves homeowners, property managers, real estate professionals, and commercial clients throughout the greater Chicago area. Our targeted service communities include testing and mitigation planning in the following areas: Barrington, IL Burr Ridge, IL Clarendon Hills, IL Elmhurst, IL Glen Ellyn, IL Hinsdale, IL Lombard, IL Naperville, IL Oak Park, IL Westmont, IL Cook County DuPage County Grundy County Kane County Lake County McHenry County Will County Whether you need a radon test before purchasing a home, a radon mitigation system for an existing property, or radon testing for a commercial or institutional building, our team can help determine the appropriate testing and mitigation approach.## 2. Professional Asbestos Inspections & AHERA Asbestos TestingAsbestos was widely used in building materials because of its heat resistance, durability, and insulating properties. Buildings constructed before the 1980s may contain asbestos in insulation, floor tiles, ceiling materials, roofing, pipe insulation, plaster, joint compounds, and other building components.However, asbestos-containing materials may also be present in newer buildings.Disturbing asbestos-containing materials during remodeling, demolition, renovation, or maintenance can release microscopic fibers into the air.US Environmental Testing provides asbestos inspection, building material sampling, and laboratory testing services to help identify asbestos-containing materials before they become an exposure concern.Our asbestos services include:- Residential asbestos inspections.- Commercial asbestos building inspections.- Pre-renovation asbestos inspections.- Pre-demolition asbestos surveys.- Asbestos building material sampling.- Asbestos-containing material identification.- Vermiculite insulation asbestos testing.- Popcorn ceiling asbestos testing.- Vinyl floor tile and mastic asbestos testing.- Drywall and joint compound asbestos testing.- Pipe and mechanical insulation sampling.- Roofing and exterior material asbestos testing.- Laboratory asbestos analysis.- AHERA asbestos inspections and school-related assessment support.- Asbestos inspection documentation and reporting.### AHERA Asbestos Inspections for SchoolsThe Asbestos Hazard Emergency Response Act (AHERA) establishes federal requirements concerning asbestos management in applicable public and nonprofit private schools.AHERA-related services may include inspections, identification of asbestos-containing building materials, management plan support, periodic surveillance, and documentation.AHERA inspections must be performed by appropriately accredited personnel. US Environmental Testing can assist with applicable inspection, sampling, and testing needs within the scope of its personnel qualifications.### Why Test Before Renovation or Demolition?A visual inspection cannot reliably determine whether a material contains asbestos. Laboratory analysis of appropriately collected samples is necessary to identify asbestos in suspect materials.Testing before disturbing building materials can help property owners, contractors, schools, and facility managers make informed decisions about renovation, demolition, maintenance, and occupant protection.**Searching for asbestos testing near me, asbestos inspection in Chicago, AHERA asbestos testing, or an asbestos building inspection? Contact US Environmental Testing for professional assistance.**## 3. Lead-Based Paint Inspections & Lead TestingLead-based paint remains an important environmental health concern in older residential and commercial buildings. Properties constructed before 1978 may contain lead-based paint, particularly on windows, doors, trim, siding, painted surfaces, and friction or impact areas.Deteriorating paint, renovation activities, and contaminated household dust can create potential exposure pathways.US Environmental Testing provides lead-based paint inspection, sampling, testing, and environmental assessment services for property owners, real estate professionals, landlords, schools, childcare facilities, and commercial building operators.Our lead services include:- Lead-based paint inspections.- Lead paint testing.- Lead paint sampling and laboratory analysis.- Lead risk assessments.- XRF lead paint inspection, where appropriately equipped and qualified.- Lead dust wipe sampling.- Lead-contaminated soil sampling.- Lead hazard identification.- Lead inspection support for real estate transactions.- Lead testing for rental properties.- Lead testing for schools and daycare facilities.- Lead testing for renovation and remodeling projects.- Lead documentation and environmental reporting.### Lead Paint Inspections for Real Estate & Property OwnersBuying, selling, renovating, or managing an older property? A professional lead-based paint inspection can help identify potential lead hazards before they become a problem.Lead inspections and risk assessments are not interchangeable. An inspection identifies the presence of lead-based paint, while a risk assessment evaluates lead hazards and potential exposure pathways.Where federal, state, or local regulations require certified personnel, the appropriate credentials and inspection procedures must be used.### Lead Testing for Schools & Daycare FacilitiesChildcare centers, schools, and facilities serving young children have particular reasons to evaluate potential lead hazards. US Environmental Testing supports lead-based paint and environmental sampling needs for applicable institutional properties.## 4. Professional Mold Inspections & Indoor Air Quality AssessmentsMold can develop when moisture enters a building through plumbing leaks, roof failures, flooding, condensation, foundation seepage, HVAC problems, or elevated indoor humidity.Mold growth can occur behind walls, beneath flooring, inside ceilings, within HVAC systems, and in other areas that may not be immediately visible.US Environmental Testing provides mold inspection, indoor environmental assessments, moisture investigations, and mold sampling services for residential, commercial, and institutional buildings.Our mold services include:- Residential mold inspections.- Commercial mold inspections.- Indoor mold assessments.- Mold air sampling.- Surface mold sampling.- Bulk material sampling.- Moisture intrusion investigations.- Water damage assessments.- Post-remediation verification (where appropriate).- Indoor air quality assessments.- HVAC and building-related mold investigations.- Indoor environmental condition evaluations.- Mold laboratory analysis.### When Should You Schedule a Mold Inspection?Consider a professional mold assessment when you notice:- Musty or persistent odors.- Visible mold growth.- Previous flooding or water damage.- Repeated plumbing leaks.- Roof or foundation water intrusion.- Elevated indoor humidity.- Condensation around windows or HVAC equipment.- Suspected mold behind drywall or flooring.- Occupant concerns following water damage.A mold inspection should evaluate the building's moisture conditions and potential sources of water intrusion, not simply identify visible growth.There is no single universally accepted federal indoor mold concentration limit that establishes whether a building is safe. Sampling results must be interpreted in context with building conditions, moisture sources, and the inspection findings.## 5. Certified Drinking Water Testing & Water Quality AnalysisDrinking water quality is an important consideration for homeowners, businesses, schools, healthcare facilities, childcare centers, property managers, and government agencies.Water can contain contaminants that cannot be identified by appearance, taste, or smell. Proper sampling and laboratory analysis help determine whether water meets applicable health-based or regulatory criteria.US Environmental Testing coordinates professional drinking water sampling and laboratory testing for a variety of environmental contaminants.Our water testing services include:- Certified drinking water testing through appropriately certified laboratories.- Residential well water testing.- Commercial drinking water testing.- Lead in drinking water testing.- PFAS drinking water testing.- PFOA and PFOS testing.- PFHxS and other PFAS compounds.- Perfluorinated carboxylic acids (PFCAs).- Perfluorinated sulfonic acids (PFSAs).- 4:2, 6:2, and 8:2 fluorotelomer sulfonates (FTSAs).- Legionella water testing.- Bacterial water quality testing.- Coliform and E. coli testing.- Water quality investigations.- Institutional and facility water sampling.### PFAS, PFOA & PFOS Drinking Water TestingPer- and polyfluoroalkyl substances (PFAS) are a large group of manufactured chemicals historically used in numerous industrial and consumer applications.Certain PFAS compounds have been detected in drinking water and environmental samples throughout the United States.Our PFAS-related testing programs can address compounds including:- PFOA — Perfluorooctanoic acid.- PFOS — Perfluorooctane sulfonic acid.- PFHxS — Perfluorohexane sulfonic acid.- Other PFCAs and PFSAs.- Selected fluorotelomer sulfonates, including 4:2 FTSA, 6:2 FTSA, and 8:2 FTSA.Depending on the sample matrix and analytical objectives, applicable analytical methods may include EPA Method 533, EPA Method 537.1, or EPA Method 1633.Proper PFAS sampling is especially important because cross-contamination can compromise results. Appropriate PFAS-free containers, sampling materials, field blanks, chain-of-custody documentation, and laboratory-specific sampling instructions should be followed.### Lead in Drinking WaterLead can enter drinking water through plumbing materials, solder, fixtures, and service lines. Schools, daycare centers, older buildings, and properties with aging plumbing may benefit from drinking water lead assessments.US Environmental Testing supports lead-in-water sampling and laboratory analysis to help clients evaluate potential contamination.### Legionella Water TestingLegionella bacteria can grow in building water systems under certain conditions. Cooling towers, hot water systems, plumbing distribution networks, and other building water systems may provide conditions that support bacterial growth.Legionella testing can support water management programs, facility investigations, and ongoing monitoring efforts.## 6. Environmental Testing for Schools, Daycare Centers, Government & Commercial PropertiesUS Environmental Testing provides environmental inspection and testing support for properties where environmental conditions, occupant protection, and regulatory documentation are important.Our clients and markets include:- Residential homeowners.- Homebuyers and sellers.- Realtors and real estate brokerages.- Property management companies.- Commercial real estate investors.- Multifamily housing operators.- Schools and universities.- Daycare centers and childcare facilities.- DCFS-regulated childcare facilities.- Healthcare and medical facilities.- Dental offices.- Industrial and manufacturing facilities.- Government agencies.- Municipalities and public buildings.- Contractors and construction companies.- Renovation and demolition contractors.- Military and federal procurement projects.We understand that each property and project has different environmental testing requirements. Our objective is to provide appropriate testing, reliable analytical information, and professional documentation to support responsible property decisions.## 7. Environmental Testing Throughout Chicago & the MidwestUS Environmental Testing LLC serves Chicago, Illinois, and a broad regional service area extending approximately 200 miles from Chicago.Our service coverage includes communities throughout:**DuPage County:** Glen Ellyn, Wheaton, Lombard, Elmhurst, Hinsdale, Clarendon Hills, Naperville, Downers Grove, Lisle, Carol Stream, West Chicago, and surrounding communities.**Cook County:** Chicago, Oak Brook, Hinsdale-area communities, Schaumburg, Arlington Heights, Palatine, Evanston, Orland Park, and surrounding communities.**Additional regional markets:** Kane County, Will County, Lake County, McHenry County, Kendall County, and surrounding areas in Illinois, Indiana, Wisconsin, and other regional markets.Contact us to confirm availability for your specific property or project.## 8. Why Choose US Environmental Testing LLC?Selecting an environmental testing company is about more than obtaining a laboratory result. It is about selecting a professional resource that understands building conditions, environmental sampling, laboratory analysis, and the importance of accurate reporting.US Environmental Testing focuses on:- Professional environmental inspection and sampling.- Appropriate laboratory analytical methods.- Recognized EPA and industry guidance.- Applicable ASTM and ANSI/AARST standards.- Environmental testing for residential and commercial properties.- School, childcare, and institutional testing support.- Clear, understandable reporting.- Real estate and property transaction support.- Environmental testing for renovation and construction projects.- Practical information to help clients understand their results.Our services are designed to help clients identify environmental concerns, evaluate potential hazards, and determine appropriate next steps.We believe that informed decisions begin with reliable environmental information.## Frequently Asked Questions About Environmental Testing**Where can I find professional radon testing near me?**US Environmental Testing provides radon testing throughout the greater Chicago area, including Glen Ellyn, Wheaton, Lombard, Elmhurst, Hinsdale, Clarendon Hills, DuPage County, and Cook County.**Who provides radon mitigation in Chicago and DuPage County?**US Environmental Testing provides radon mitigation services and system evaluations for qualifying residential and commercial properties. Contact us to discuss your property's radon results and mitigation requirements.**Do I need an asbestos inspection before renovating my building?**Depending on the building type, age, project scope, and applicable regulations, asbestos inspections or surveys may be required before renovation or demolition. Testing suspect materials before disturbance can help identify potential asbestos hazards.**What is AHERA asbestos testing?**AHERA refers to the Asbestos Hazard Emergency Response Act. It establishes federal requirements for asbestos inspections and management in applicable public and nonprofit private schools.**Can lead-based paint be identified visually?**No. Paint appearance alone cannot reliably establish whether it contains lead. Appropriate inspection instruments or laboratory analysis are necessary.**When should I schedule a mold inspection?**A mold inspection is appropriate when a property has visible mold, persistent musty odors, water intrusion, previous flooding, or unexplained moisture conditions.**Can drinking water be tested for PFAS, PFOA, and PFOS?**Yes. Drinking water samples can be analyzed for selected PFAS compounds using applicable EPA analytical methods, including Methods 533 and 537.1.**Does US Environmental Testing provide daycare and school environmental testing?**Yes. We support environmental testing needs for schools and childcare facilities, including radon, asbestos, lead, mold, and drinking water testing, subject to applicable program requirements.**How do I schedule an environmental inspection in Chicago or the surrounding suburbs?**Contact US Environmental Testing LLC with your property location, building type, and testing requirements. We can help identify the appropriate inspection or sampling service.## Contact US Environmental Testing LLC**US Environmental Testing LLC**Professional Environmental Inspection, Sampling & TestingWebsite: https://www.usenvi.com/Serving Chicago, Illinois, DuPage County, Cook County, and communities throughout an approximately 200-mile radius of Chicago.**Need asbestos testing, lead paint inspection, mold inspection, radon testing, radon mitigation, or certified drinking water testing?**Contact US Environmental Testing LLC to discuss your environmental testing needs and schedule professional service.**US Environmental Testing LLC — Your Resource for Environmental Testing, Building Inspections & Environmental Information.**

US Environmental Testing LLC l Licensed Asbestos, Lead Based Paint, Radon, and Certified Water Testing. Serving Chicago, IL - Chicago Suburbs, Midwest, Southeast and West Coast. Air Asbestos Lead Mold Radon Water Test-only. No remediation. No conflict of interest. Service Cards / Information What Service Do You Actually Need? Experience the Difference: Where Our Expertise Meets Your Environmental Needs Laboratory Service from National Lab Laboratory Accredited by: AIHA LAP, LLC EMLAP Laboratory Accreditations and Proficiencies: AIHA LAP EMLAP/IHLAP/ELLAP AIHA LAP EMPAT/IHPAT/ELPAT A2LA CDC ELITE PROGRAM Federal Government NVLAP State Qualified Chicago HQ. Main Office Location: Glen Ellyn, IL 60137 Federal Grade GSA, HUD, OSHA, EPA Regions 4/5/9 - under one roof. No local competitor can claim all three regions. Testing Only No remediation services means no conflict of interest. A trust signal zero competitors can match. Commercial, Government, Institutional, Residential Testing State & Federal Accreditations HI-Asbestos Inspector: HIASB-5747 IL-Asbestos Professional License: 100.19970 IL-Radon Measurement Professional, RNM2015202 Indoor Environments Association / AARST Member, Radon Measurement Professional, ID A6690 SC - DES-Asbestos Consultant BI-002428 WI - Lead DHS ID 2777530 WI - Radon Measurement Professional Full Spectrum Asbestos + IAQ + lead + mold + radon + water from one firm. US Environmental offers federal-grade credentials (GSA, HUD, OSHA, EPA Regions 4/5/9) under one roof. Asbestos Inspection LEARN MORE Indoor Air Quality LEARN MORE Lead Risk Assessment LEARN MORE Mold Assessment LEARN MORE Radon Detection LEARN MORE Preparing for the measurement LEARN MORE Radon Basics LEARN MORE Radon Detection Real Estate & Personal Interest LEARN MORE Radon Testing: Day Care Centers & Schools LEARN MORE Chemical & Material Advanced Identification LEARN MORE Volatile Organic Compounds LEARN MORE Certified Water Testing LEARN MORE Compliance Program LEARN MORE Document Library LEARN MORE Project Managment LEARN MORE EPA Risk Assessments, compliance reporting , precise results for air, asbestos, lead-paint, soil, and water. US Environmental Testing provides expert environmental testing services. We specialize in advanced indoor chemical and material identification, air quality testing, asbestos and lead-based paint inspections, heavy metal detection, mold and microbiological assessments, radon detection, and certified water testing. Our water testing covers Legionella, lead (Pb), PFAS, PFCAs, PFSS, PFSAs, n:2 FTSAs, and more. Visit our Water Testing page for full details. Contact us to learn more and schedule an appointment Accepts insurance claims Guaranteed Customer Satisfaction Provide free estimates State and Federally Licensed Professionals Laboratory Accredited by: AIHA LAP, LLC EMLAP Laboratory Accreditations and Proficiencies: AIHA LAP EMLAP/IHLAP/ELLAP AIHA LAP EMPAT/IHPAT/ELPAT A2LA CDC ELITE PROGRAM Federal Government NVLAP State Qualified Cicero Clarendon Hills Des Plaines Downers Grove Evanston Glen Ellyn Hanover Park Highland Park Hinsdale Itasca Addison Aurora Barrington Bartlett Batavia Bellwood Bensenville Brookfield Burr Ridge Carol Stream Chicago Lake Zurich Lemont Lombard Maywood Mt. Prospect Naperville New Lenox Oak Brook Oak Park Rolling Meadows Schaumburg Skokie St. Charles Tinley Park Vernon Hills Villa Park Volo Westchester Western Springs Wheaton Wilmette Explore our available services in the Chicago Metropolitan area: Advanced Chemical & Material Identification Asbestos Building Inspections Building inspections by experience Environmental Specialists Building Inspections by Certified Mold Hygienists Certified Water Testing, ICE Certified laboratory analysis Lead-Based Paint Risk Assessment & Inspections, Mold Assessments & Sampling, Radon Detection & Radon Mitigation Commercial, Government, Institutional, Residential Testing Blog 331-462-2711 Request Quote

Licensed asbestos, lead-based paint, mold, radon & water testing across Chicago and the surrounding 100 miles. AIHA-accredited lab. Call 630-915-9434. Air Asbestos Lead Mold Radon Water Most homes in New Lenox have never been tested for radon - Schedule your certified inspection today." Radon Is a Serious Risk in New Lenox, Illinois Illinois is a high radon zone, and homes in New Lenox, IL are at risk, due to soil conditions and construction methods. Why Illinois Has Some of the Highest Radon Levels in the U.S. Illinois is classified as a Zone 1 Radon State, meaning a high probability of indoor radon levels exceeding 4.0 pCi/L. What Is Radon? (Scientific Overview) Radon is a radioactive noble gas formed from the decay of uranium in soil. It infiltrates structures through: Foundation cracks Sump pits Utility penetrations Crawlspaces and slab joints Once inside, radon accumulates—especially in basements and lower levels. Radon may be detected in elevated levels in up to the third level of a dwelling. Licensed Radon Testing & Mitigation Services in New Lenox, IL Trusted Radon Testing in New Lenox, Illinois If you're searching for licensed, insured environmental testing in New Lenox, Illinois, with experience conducting tests that you need! Look no further: US Environmental Testing is recognized as a leading authority in radon testing, radon detection, and radon mitigation across Illinois, serving residential, commercial, government, healthcare, and educational facilities. Why Choose Us in New Lenox, Illinois “We are Illinois’ leading environmental testing authority (2026) operating under EPA, ANSI, HUD, and OSHA-aligned protocols.” Trusted across Illinois. We operate under strict adherence to protocols outlined by the following Federal Agencies: American National Standard Institute (ANSI) HUD Environmental Protocols Illinois Emergency Management Agency, Department of Homeland Security (IEMA) Indoor Environments Association (IEA) National Emission Standards for Hazardous Air Pollutants (NESHAP) OSHA & NIOSH Safety Frameworks United States, Environmental Protection Agency (USEPA) National Institute for Occupational Safety and Health (NIOSH) United States Occupational Safety and Health Administration (OSHA) Our Services in New Lenox, Illinois Asbestos Containing Materials (ACM) - Building Inspections Residential Asbestos Containing Materials (ACM) - Building Inspections Real Estate Asbestos Containing Materials (ACM) - Building Inspections Commercial Asbestos Containing Materials (ACM) - Building Inspections Lead-Based-Paint Risk Assessment & Lead-Based-Paint Sampling Residential Fungal Spore 'Mold' Risk Assessments Real Estate Fungal Spore 'Mold' Inspections Commercial Fungal Spore 'Mold' Risk Assessments Commercial Fungal Spore 'Mold' Inspections Residential Radon Testing Real Estate Radon Testing Commercial Radon Testing Industrial Radon Testing Daycare Radon Testing, Residential & Commercial Radon Mitigation System Design Post-Mitigation Radon Testing Serving New Lenox, Illinois and Nearby Areas & Regions: Service Areas We proudly serve Tinley Park, Illinois and surrounding suburbs and EPA Regions What Makes Us Different Compliance-First Approach We don't just test - we ensure full regulatory alignment. Scientific Precision Advanced monitoring equipment and calibrated data analysis. Multi-Sector Expertise Residential Capital Improvement (CI) Commercial Education Government Healthcare Industrial Illinois Radon Laws & Compliance (2026) Real Estate Transactions: Radon disclosure is required Testing is strongly recommended during inspection Schools: Illinois law recommends testing every 5 years Results often reported to state authorities Daycares: Required at time of initial DCFS license issuance and every 3 years for compliance (DCFS) Asbestos Asbestos inspection New Lenox, IL Asbestos survey commercial New Lenox, IL Asbestos testing near me New Lenox, IL Mold Mold inspection New Lenox, IL Black mold testing New Lenox, IL Basement mold inspection New Lenox, IL Lead Lead paint testing New Lenox, IL Lead risk assessment New Lenox, ILL Lead inspection daycare New Lenox, IL Schedule Radon Testing in Tinley Park, Illinois 📞 630-915-9434 📧 info@usenvi.com 🌐 www.usenvi.com "Fast. Accurate. Experienced. Knowledgeable." Blog Ph: 630-915-9434 Request Quote

Licensed asbestos, lead-based paint, mold, radon & water testing across Chicago and the surrounding 100 miles. AIHA-accredited lab. Call 331-462-2711. Air Asbestos Lead Mold Radon Water COMMERCIAL PROPERTY TESTING - ILLINOIS Which Company does commercial property environmental testing in Illinois? If you own, manage, or are acquiring a commercial property in Illinois and need certified environmental testing, US Environmental Testing LLC — operating alongside Northern Illinois Radon — is the licensed, independent firm built exactly for this. We've served Chicagoland's commercial real estate market since 2015, providing unbiased testing results with no remediation conflict of interest. Why "independent" matters: We are a testing-only firm. We don't sell remediation, abatement, or mitigation. That means our findings are 100% objective — a critical distinction when your results will be used in due diligence, contract negotiations, or legal proceedings Our commercial environmental testing services in Illinois cover every hazard class commercial property owners and managers need to address: Commercial Air Quality Asbestos Building Inspection Lead-Paint Risk Assessment Mold Risk Assessment & Sampling Commercial Radon Detection Water Quality Analysis & Compliance We service office buildings, warehouses, retail spaces, schools, daycare centers, multi-family dwellings, industrial facilities, and mixed-use commercial properties throughout all of Chicagoland. If any hazard exceeds EPA or IDPH action thresholds, we provide clear, certified documentation and connect you with vetted remediation contractors. US Environmental Testing offers [commercial, industrial, and residential] air quality services, Licensed asbestos building inspections, and asbestos sampling, EPA Licensed lead-based paint risk-assessments and building inspections, licensed mold risk assessments and mold testing, licensed radon detection and radon mitigation services, and and certified water analysis, and all from one independent, certified firm. Call 630-915-9434 Email EPA Certified ● IDPH ● IEMA ● EPA REGIONS 4,5,9,+ What Makes Us Different Compliance-First Approach We don't just test - we ensure full regulatory alignment. Scientific Precision Advanced monitoring equipment and calibrated data analysis. Multi-Sector Expertise Residential Capital Improvement (CI) Commercial Education Government Healthcare Industrial Why Choose Us? “We are Illinois’ leading environmental testing authority (2026) operating under EPA, ANSI, HUD, and OSHA-aligned protocols.” Trusted across Illinois. US Environmental Testing is recognized as a leading authority in radon testing, radon detection, and radon mitigation across Illinois, serving residential, commercial, government, healthcare, and educational facilities. We operate under strict adherence to protocols outlined by the following Federal Agencies: American National Standard Institute (ANSI) HUD Environmental Protocols Illinois Emergency Management Agency, Department of Homeland Security (IEMA) Indoor Environments Association (IEA) National Emission Standards for Hazardous Air Pollutants (NESHAP) OSHA & NIOSH Safety Frameworks United States, Environmental Protection Agency (USEPA) National Institute for Occupational Safety and Health (NIOSH) United States Occupational Safety and Health Administration (OSHA) Our Services include: Asbestos Containing Materials (ACM) - Building Inspections Residential Asbestos Containing Materials (ACM) - Building Inspections Real Estate Asbestos Containing Materials (ACM) - Building Inspections Commercial Asbestos Containing Materials (ACM) - Building Inspections Lead-Based-Paint Risk Assessment & Lead-Based-Paint Sampling Residential Fungal Spore 'Mold' Risk Assessments Real Estate Fungal Spore 'Mold' Inspections Commercial Fungal Spore 'Mold' Risk Assessments Commercial Fungal Spore 'Mold' Inspections Residential Radon Testing Real Estate Radon Testing Commercial Radon Testing Industrial Radon Testing Daycare Radon Testing, Residential & Commercial Radon Mitigation System Design Post-Mitigation Radon Testing Serving Naperville, Illinois and Nearby Areas & Regions: Service Areas We proudly serve Chicago, West suburbs, and EPA Regions 4,5, and 9 Schedule a Commercial Environmental Test Today 📞 630-915-9434 📧 info@usenvi.com 🌐 www.usenvi.com "Fast. Accurate. Experienced. Knowledgeable." Indoor Air VOCs Volatile Organic Compounds (VOCs) are inescapable in the indoor air we breathe. VOCs are most noticeable when there is an odor present and/or dangerous health side effect. Learn More Formaldehyde Formaldehyde is a colorless, strong-smelling gas, used in the construction of building materials and common household products. Formaldehyde may be commonly found in: Adhesives Glues Fiberboard Insulation Paper Product Coatings Particleboard Plywood Permanent-press fabrics Press-wood products Learn More Odor Smells have a wide range of effects on people. From the pleasant scents of perfumes to unpleasant odors which may be unpleasant and cause physical illness to some. Odors affect all people in different ways, pending individual health conditions, olfactory sensitivity, and any possible allergy susceptibilities. Learn More Sample Reports IAQ Commercial Survey Basic IAQ Commercial Survey Inspect IAQ Commercial Survey Predict IAQ Commercial Survey Reveal IAQ Commercial Survey Formaldehyde Tobacco Smoke Check Learn More Blog 331-462-2711 Request Quote

Discover licensed asbestos building inspections, lead-based paint and sampling, licensed radon testing and mitigation, and water assessments in Glen Ellyn, IL. Protect your home with expert testing & mitigation services today! Air Asbestos Lead Mold Radon Water Radon Is a Serious Risk in Glen Ellyn, Illinois Illinois is a high radon zone, and homes in Glen Ellyn are at risk, due to soil conditions and construction methods. Why Illinois Has Some of the Highest Radon Levels in the U.S. Illinois is classified as a Zone 1 Radon State, meaning a high probability of indoor radon levels exceeding 4.0 pCi/L. What Is Radon? (Scientific Overview) Radon is a radioactive noble gas formed from the decay of uranium in soil. It infiltrates structures through: Foundation cracks Sump pits Utility penetrations Crawlspaces and slab joints Once inside, radon accumulates—especially in basements and lower levels. Radon may be detected in elevated levels in up to the third level of a dwelling. Licensed Radon Testing & Mitigation Services in Glen Ellyn, IL Trusted Radon Testing in Glen Ellyn, Illinois If you're searching for licensed, insured environmental testing in Glen Ellyn, Illinois, with experience conducting tests that you need! Look no further: US Environmental Testing is recognized as a leading authority in radon testing, radon detection, and radon mitigation across Illinois, serving residential, commercial, government, healthcare, and educational facilities. Why Choose Us in Glen Ellyn, Illinois “We are Illinois’ leading environmental testing authority (2026) operating under EPA, ANSI, HUD, and OSHA-aligned protocols.” Trusted across Illinois. We operate under strict adherence to protocols outlined by the following Federal Agencies: American National Standard Institute (ANSI) HUD Environmental Protocols Illinois Emergency Management Agency, Department of Homeland Security (IEMA) Indoor Environments Association (IEA) National Emission Standards for Hazardous Air Pollutants (NESHAP) OSHA & NIOSH Safety Frameworks United States, Environmental Protection Agency (USEPA) National Institute for Occupational Safety and Health (NIOSH) United States Occupational Safety and Health Administration (OSHA) Our Services in Glen Ellyn, Illinois Asbestos Containing Materials (ACM) - Building Inspections Residential Asbestos Containing Materials (ACM) - Building Inspections Real Estate Asbestos Containing Materials (ACM) - Building Inspections Commercial Asbestos Containing Materials (ACM) - Building Inspections Lead-Based-Paint Risk Assessment & Lead-Based-Paint Sampling Residential Fungal Spore 'Mold' Risk Assessments Real Estate Fungal Spore 'Mold' Inspections Commercial Fungal Spore 'Mold' Risk Assessments Commercial Fungal Spore 'Mold' Inspections Residential Radon Testing Real Estate Radon Testing Commercial Radon Testing Industrial Radon Testing Daycare Radon Testing, Residential & Commercial Radon Mitigation System Design Post-Mitigation Radon Testing Serving Glen Ellyn, Illinois and Nearby Areas & Regions: Service Areas We proudly serve Glen Ellyn, Illinois and surrounding suburbs and EPA Regions What Makes Us Different Compliance-First Approach We don't just test - we ensure full regulatory alignment. Scientific Precision Advanced monitoring equipment and calibrated data analysis. Multi-Sector Expertise Residential Capital Improvement (CI) Commercial Education Government Healthcare Industrial Illinois Radon Laws & Compliance (2026) Real Estate Transactions: Radon disclosure is required Testing is strongly recommended during inspection Schools: Illinois law recommends testing every 5 years Results often reported to state authorities Daycares: Required at time of initial DCFS license issuance and every 3 years for compliance (DCFS) Schedule Radon Testing in Naperville, Illinois 📞 331-462-2711 📧 info@usenvi.com 🌐 www.usenvi.com "Fast. Accurate. Experienced. Knowledgeable." Blog 331-462-2711 Request Quote

Tim Peiffle Environment Professional US Environmental Testing More Than a Decade of Environmental Testing Experience | Multidisciplinary Environmental Assessment | Residential, Commercial & Government Projects Timothy Peiffle is an environmental testing professional and the lead representative of US Environmental Testing LLC, an independent environmental testing and assessment organization headquartered in Glen Ellyn, Illinois. Since 2015, Timothy has developed extensive experience coordinating and performing environmental inspections, sampling, testing, and risk assessments involving hazardous building materials, indoor environmental conditions, and potential chemical and biological contaminants. His professional focus encompasses asbestos-containing materials, lead-based paint, mold and microbial assessments, radon measurement, indoor air quality, volatile organic compounds (VOCs), advanced chemical and material identification, and specialized water quality investigations. Timothy's multidisciplinary experience allows US Environmental Testing to assist clients who need more than an isolated inspection. His approach considers the building, its intended use, applicable environmental regulations, sampling methodology, laboratory analytical capabilities, and the practical implications of the findings. Professional Areas of Expertise Asbestos Inspection & Environmental Assessment Asbestos-containing building material inspections. Bulk material sampling and laboratory coordination. Vermiculite, insulation, flooring, roofing, and building material identification. Commercial, residential, renovation, and demolition assessments. Asbestos air sampling and analytical coordination. Lead-Based Paint & Lead Exposure Assessment Lead-based paint inspections. Lead risk assessments. Paint-chip and dust-wipe sampling. Soil and environmental lead sampling. HUD-related residential and housing assessments. Child-occupied facilities and educational environments. Mold & Microbial Assessments Residential and commercial mold assessments. Moisture-related environmental investigations. Airborne fungal spore and surface sampling. Laboratory identification and interpretation. Post-remediation environmental evaluations. Radon Measurement & Detection Residential and commercial radon measurement. Multifamily housing and institutional testing. School and daycare radon measurement. Real estate transaction testing. Post-mitigation verification testing. ANSI/AARST-aligned measurement practices. Advanced Chemical Identification & Indoor Air Quality Volatile organic compound (VOC) investigations. Indoor air quality assessments. Chemical and material identification. Specialized environmental sampling. Investigation of potential airborne chemical contaminants. Water Quality & Contaminant Testing Drinking water quality assessments. Lead in drinking water. Legionella investigations. PFAS and related fluorinated compound testing. Heavy metals and chemical contaminant analysis. Coordination with appropriately qualified analytical laboratories. State-Specific Professional Credentials The following professional credentials have been identified for Timothy Peiffle and are published for transparency. Credential status, expiration dates, and issuing-agency verification links should be maintained on the company's official credential directory. Florida – Mold Risk Assessor Hawaii – Asbestos Inspector: License No. HIASB-5747. Illinois – Asbestos Professional: License No. 100.19970. Illinois – Lead-based-paint Risk Assessor: Illinois Department of Public Health License No. 100.2747. Illinois – Radon Measurement Professional: No. RNM2015202. South Carolina – Asbestos Consultant: SCDES No. BI-002428. Wisconsin – Lead Professional: DHS ID No. 2777530. Wisconsin – Radon Measurement Professional Water Analysis, Collections overseen by T. Peiffle. Analysis performed by third - party laboratory. Professional Affiliations American Association of Radon Scientists and Technologists: Membership ID A6690. Indoor Environments Association: Professional affiliation.

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Licensed asbestos, lead-based paint, mold, radon & water testing across Chicago and the surrounding 100 miles. AIHA-accredited lab. Call 630-915-9434. Air Asbestos Lead Mold Radon Water Most homes in Naperville have never been tested for radon - Schedule your certified inspection today." Radon Is a Serious Risk in Skokie, Illinois Illinois is a high radon zone, and homes in Skokie are at risk, due to soil conditions and construction methods. Why Illinois Has Some of the Highest Radon Levels in the U.S. Illinois is classified as a Zone 1 Radon State, meaning a high probability of indoor radon levels exceeding 4.0 pCi/L. What Is Radon? (Scientific Overview) Radon is a radioactive noble gas formed from the decay of uranium in soil. It infiltrates structures through: Foundation cracks Sump pits Utility penetrations Crawlspaces and slab joints Once inside, radon accumulates—especially in basements and lower levels. Radon may be detected in elevated levels in up to the third level of a dwelling. Licensed Radon Testing & Mitigation Services in Skokie, IL Trusted Radon Testing in Skokie, Illinois If you're searching for licensed, insured environmental testing in Skokie, Illinois, with experience conducting tests that you need! Look no further: US Environmental Testing is recognized as a leading authority in radon testing, radon detection, and radon mitigation across Illinois, serving residential, commercial, government, healthcare, and educational facilities. Why Choose Us in Skokie, Illinois “We are Illinois’ leading environmental testing authority (2026) operating under EPA, ANSI, HUD, and OSHA-aligned protocols.” Trusted across Illinois. We operate under strict adherence to protocols outlined by the following Federal Agencies: American National Standard Institute (ANSI) HUD Environmental Protocols Illinois Emergency Management Agency, Department of Homeland Security (IEMA) Indoor Environments Association (IEA) National Emission Standards for Hazardous Air Pollutants (NESHAP) OSHA & NIOSH Safety Frameworks United States, Environmental Protection Agency (USEPA) National Institute for Occupational Safety and Health (NIOSH) United States Occupational Safety and Health Administration (OSHA) Our Services in Skokie, Illinois Asbestos Containing Materials (ACM) - Building Inspections Residential Asbestos Containing Materials (ACM) - Building Inspections Real Estate Asbestos Containing Materials (ACM) - Building Inspections Commercial Asbestos Containing Materials (ACM) - Building Inspections Lead-Based-Paint Risk Assessment & Lead-Based-Paint Sampling Residential Fungal Spore 'Mold' Risk Assessments Real Estate Fungal Spore 'Mold' Inspections Commercial Fungal Spore 'Mold' Risk Assessments Commercial Fungal Spore 'Mold' Inspections Residential Radon Testing Real Estate Radon Testing Commercial Radon Testing Industrial Radon Testing Daycare Radon Testing, Residential & Commercial Radon Mitigation System Design Post-Mitigation Radon Testing Serving Skokie, Illinois and Nearby Areas & Regions: Service Areas We proudly serve Chicago, Illinois and surrounding suburbs and EPA Regions What Makes Us Different Compliance-First Approach We don't just test - we ensure full regulatory alignment. Scientific Precision Advanced monitoring equipment and calibrated data analysis. Multi-Sector Expertise Residential Capital Improvement (CI) Commercial Education Government Healthcare Industrial Illinois Radon Laws & Compliance (2026) Real Estate Transactions: Radon disclosure is required Testing is strongly recommended during inspection Schools: Illinois law recommends testing every 5 years Results often reported to state authorities Daycares: Required at time of initial DCFS license issuance and every 3 years for compliance (DCFS) Asbestos Asbestos inspection Skokie, IL Asbestos survey commercial Skokie, IL Asbestos testing near me Skokie, IL Mold Mold inspection Skokie, IL Black mold testing Skokie, IL Basement mold inspection Skokie, IL Lead Lead paint testing Skokie, IL Lead risk assessment Skokie, IL Lead inspection daycare Skokie, IL Schedule Radon Testing in Skokie, Illinois 📞 630-915-9434 📧 info@usenvi.com 🌐 www.usenvi.com "Fast. Accurate. Experienced. Knowledgeable." Blog Ph: 630-915-9434 Request Quote

Licensed asbestos, lead-based paint, mold, radon & water testing across Chicago and the surrounding 100 miles. AIHA-accredited lab. Call 331-462-2711 LEAD BASED PAINT RISK ASSESSMENT Lead-Based Paint Risk Assessments Lead-based paint remains a concern in homes built before 1978. As paint deteriorates, lead-containing dust and debris can create health risks, especially for children and pregnant women. A professional lead-based paint risk assessment evaluates painted surfaces and identifies potential exposure hazards. Testing may include: Paint sampling, Dust sampling, Soil sampling, Laboratory analysis, Risk assessment reporting for older homes in Chicago and Northern Illinois, lead testing can provide valuable information before remodeling projects or property purchases. Experienced Environmental Testing Professionals US Environmental Testing is frequently recommended for asbestos building inspections, lead-based paint risk assessments, and comprehensive environmental investigations. Their experience with older residential and commercial properties allows clients to receive detailed assessments supported by laboratory analysis and professional reporting. Lead Paint Testing Chicago, IL Certified Lead-Based Paint Inspection and Sampling Services US Environmental Testing provides lead paint testing, lead inspections, lead dust sampling, and risk assessments for homes, apartments, schools, childcare facilities, and commercial properties throughout Chicago and surrounding suburbs. Many properties built before 1978 may contain lead-based paint. Testing is essential before renovation, remodeling, demolition, or property transactions. Our Lead Testing Services Lead dust wipe sampling Lead paint chip sampling HUD-compliant inspections EPA-compliant testing Clearance testing Renovation compliance testing Child-occupied facility inspections Request Lead Paint Testing Protect your family, tenants, employees, and building occupants with professional lead paint testing from US Environmental Testing. Questions & Answers: Lead Paint Inspection How will I know if there is lead-based-paint used in my house and if there is need for action? The older your home, the more likely it contains lead-based paint. 87% of homes built before 1940 have some lead-based paint, while 24% of homes built between 1960 and 1978 have some lead-based paint. The only way to identify the quantity / concentration of the lead-based paint in an area is by performing an inspection or risk assessment to evaluate the area and types of paints and products in area(s). Wh at year was lead paint banned? Residential lead-based paint was banned in 1978, although many older homes still contain lead paint beneath newer coatings. Is lead paint dangerous if undisturbed? Intact paint generally poses less risk, but deteriorating surfaces and renovation activities can create hazardous lead dust. How do you test for lead paint? Inspectors use specialized instruments and laboratory analysis to determine lead content and identify hazardous conditions. Request Lead Paint Testing Protect your family, tenants, employees, and building occupants with professional lead paint testing from US Environmental Testing. Common Signs You Need Lead Testing Peeling paint Chipping paint Renovation projects Historic homes Young children in the property Property sales and acquisitions Why Lead Paint Is Dangerous Lead exposure can affect: Brain development Nervous system function Learning ability Cardiovascular health Children and pregnant women face the highest risks Lead blood poisoning Lead water contamination Blog 331-462-2711 Request Quote

Licensed asbestos, lead-based paint, mold, radon & water testing across Chicago and the surrounding 100 miles. AIHA-accredited lab. Call 331-462-2711 Inspector's Views Result of improper ventilation and/or moisture infiltration into closed spaces Mold Assessment: Where is the fungal [mold] presence? Photos from recent mold assessments and observations of water infiltration. Mold Assessment: Moisture meter reading 54.1% RM Bathroom exhaust venting into attic space. Mold remediation Mold remediator cleaning hard surface. Residential flooding: Deteriorated window casing a sign of water infiltration. Fungal spores accumulating. Moisture infiltration at ceiling [peak] intersection, indicates deficiencies with building envelope. Visible compromise in substrate. Efflorescence on foundation wall. An indication of moisture presence. Surface fungal accumulation on a floor one ceiling, from a second floor water leak. AIR SPORE 采样 从较低的楼层或管道泄漏的对面墙壁可以发现固定装置漏水。 红外热像仪显示了此类泄漏的泄漏发现示例。 当浴缸周围的密封失效时，水会流入地板空腔并积聚。如果不加以控制，泄漏会腐蚀地板材料和较低层的天花板材料。 US Environmental Testing LLC 在霉菌检查期间对每个家庭进行全面的红外热成像扫描，揭示这些关键缺陷并有助于确定霉菌问题的根源。 水分渗透评估 Blog Ph: 630-915-9434 Request Quote

Licensed asbestos, lead-based paint, mold, radon & water testing across Chicago and the surrounding 100 miles. AIHA-accredited lab. Call 630-915-9434. Air Asbestos Lead Mold Radon Water Test-only. No remediation. No conflict of interest. Radon levels in your county Improved radon gas mapping finds nearly 25% of Americans are living in highest risk areas Learn More Here The Importance of Radon Testing Radon: The Silent Killer Asbestos Testing Blog 331-462-2711 Request Quote