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 Lake Zurich have never been tested for radon - Schedule your certified inspection today." Illinois Radon Testing & Mitigation Authority (2026) US Environmental Testing Radon Is a Serious Risk in Lake Zurich, Illinois Illinois is a high radon zone, and homes in Lake Zurich 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 in Lake Zurich, IL Trusted Radon Testing in Lake Zurich, Illinois If you're searching for licensed, insured environmental testing in Lake Zurich, 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 Lake Zurich, 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 Lake Zurich, 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 Lake Zurich, Illinois and Nearby Areas & Regions: Service Areas We proudly serve Lake Zurich, 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 Lake Zurich, IL Asbestos survey commercial Lake Zurich, IL Asbestos testing near me Lake Zurich, IL Mold Mold inspection Lake Zurich, IL Black mold testing Lake Zurich, IL Basement mold inspection Lake Zurich, IL Lead Lead paint testing Lake Zurich, IL Lead risk assessment Lake Zurich, IL Lead inspection daycare Lake Zurich, IL Schedule Radon Testing in Lake Zurich, 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 630-915-9434. Air Asbestos Lead Mold Radon Water Illinois Radon Testing & Mitigation Authority (2026) US Environmental Testing Radon Is a Serious Risk in Villa Park, Illinois Illinois is a high radon zone, and homes in Villa Park 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 in Villa Park, IL Trusted Radon Testing in Villa Park, Illinois If you're searching for licensed, insured environmental testing in Villa Park, 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 Villa Park, 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 Villa Park, 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 Villa Park, Illinois and Nearby Areas & Regions: Service Areas We proudly serve Villa Park, Illinois and surrounding suburbs and EPA Regions Most homes in Villa Park have never been tested for radon - Schedule your certified inspection today." 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 Villa Park, IL Asbestos survey commercial Villa Park, IL Asbestos testing near me Villa Park, IL Mold Mold inspection Villa Park, IL Black mold testing Villa Park, IL Basement mold inspection Villa Park, IL Lead Lead paint testing Villa Park, IL Lead risk assessment Villa Park, IL Lead inspection daycare Villa Park, IL Schedule Radon Testing in Villa Park, Illinois 📞 630-915-9434 📧 info@usenvi.com 🌐 www.usenvi.com "Fast. Accurate. Experienced. Knowledgeable." Blog Ph: 630-915-9434 Request Quote

Licensed professional radon detection in Chicago and the surrounding 100 miles. Residential and Commercial Radon Testing. Call 331-462-2711 什么是氡？ 氡是一种无色、无味、致癌的 [土壤] 气体，通过地基上的小裂缝和开口进入建筑物。 识别建筑物内部水平的唯一方法是测试氡。 我们获准提供所有类型的氡检测测试，包括 ing: DCFS测试 跟进氡测试 房地产交易测试 我们的许可允许我们测试商业建筑、日托中心、多户住宅和住宅。 如果发现水平超过 4.0 picoc 的 EPA 行动水平 每升 [空气] 尿量 (pCi/L)，我们将提出建议以寻找合适的补救解决方案。 What is radon? How does it enter a building? Radon is a natural [soil] gas, which is: colorless, odorless, and carcinogenic. Radon enters buildings openings through small cracks and openings in the in the foundation. The only way to identify the levels inside the building is to test for the radon. from below and it raises from the earth. When this gas is inhaled, the decaying radon gas separates into radioactive radon decay products (RDPs). These RDPs, contain alpha- and beta- radiation and damage the lining of the lungs over time. Long-term exposure to radon may lead to lung cancer. The United States Department of Environmental Protection Agency (EPA) have identified the lung cancer mortality rate from radon exposure to be approximately 21,000. We are licensed to provide radon testing for all types of buildings, including: DCFS testing for private and commercial day care centers Follow-up radon testing HUD Real estate transaction testing Compliance radon testing University and Education testing Multi-Family 您需要测量氡气吗？ 北伊利诺斯氡气是您的公司。 我们专注于住宅家庭环境氡气测量，包括单户住宅、复式住宅和公寓。 如果您正在寻找一家缓解氡气的公司，我们会与知名的氡气缓解公司合作来完成这项工作。 您是参与房地产交易的买家吗？ 寻求关闭前的氡测量？ 北伊利诺伊州氡是您的解决方案。 自从您对房屋进行测试以来是否已经两年（或更长时间）？ 联系方式 了解北伊利诺斯氡气检测的重要性以及如何保护您的家人免受氡气的健康风险。 利用 Northern Illinois Radon 提供的众多服务，并自信地呼吸，因为您知道您家中的空气已经过测试，空气中的氡含量没有达到有害水平！ 我们提供的服务包括： 诊断 跟进 新建筑和改建 缓解前和缓解后测量 短期和长期测量 Need DCFS-compliant radon testing? US Environmental provides certified radon detection for Illinois daycares, schools, and homes with fast results and official reports for DCFS Licensing Agents. Test Every 3 years How to prepare for a closed building radon measurement: To follow are the steps to follow, before and during a radon measurement by US Environmental Testing to properly prepare a building for a closed-building radon measurement. Following these guidelines are important to assure measurement accuracy. Should there be any questions or concerns please contact US Environmental Testing for answers and solutions. 1. Keep exterior doors and windows for 12 hours prior to the start of this test, the continual use of exterior doors for normal entry and exit is allowed and expected. Keep all windows, doors and other openings to the outside closed during the testing period. 2. Set the thermostat to 72 Degrees Fahrenheit (plus or minus 5 degrees Fahrenheit) and set to "Auto". Do not change the testing environment in any way, including but not limited to, opening windows, leaving doors open, changing thermostat or fan settings or cause outside air to be introduced into the home. 3. Operation of mechanical systems that draw air out of building may adversely affect the test results. Any test device(s) placed should not be disturbed and the location should not be changed. Report to US Environmental Testing any circumstances or events that may cause the conditions outlined above to be violated in any way or manner, and any circumstance that may have an influence of the testing conditions or results. If any of these guidelines are not followed and the test results appear to be incorrect, a re-test may be required. 4. When the radon monitors are placed and test is started, tamper evident seals will be installed on all windows. These should not be removed until the measurement is concluded. 5. Forty-eight (48) hours after the start of the radon measurement, the measurement will conclude and you will have (verbal) results at time of monitor retrieval. A formal report will be prepared within 24 hours and delivered electronically (email, fax) and by mail (upon request). HOW TO PREPARE FOR A RADONTEST National Service Areas (Service Area Map ) 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 Northern Illinois Counties: Services Available within 24-hours of request. 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 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 Asbestos in Popcorn Ceilings: Identification, Testing, and Risk Popcorn ceilings installed before 1980 frequently contain asbestos fibers and should be tested before disturbance. How to Identify Asbestos Popcorn Ceilings Visual inspection alone is NOT sufficient. Laboratory testing is required. Testing Process 1.Sample collection by certified inspector 2.Chain-of-custody documentation 3.Laboratory analysis (PLM) Health Risks Disturbing asbestos releases airborne fibers that can be inhaled and cause long-term disease. When You Need Testing •Before renovation •Before demolition •Real estate transactions •Damage or deterioration Professional Testing vs DIY DIY kits are unreliable and often rejected in real estate and regulatory environments. Schedule an InspectionUS Environmental Testing provides certified asbestos sampling nationwide. Schedule Asbestos Testing Today! 📞 331-462-2711 📧 info@usenvi.com 🌐 www.usenvi.com "Fast. Accurate. Experienced. Knowledgeable." 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 Westchester have never been tested for radon - Schedule your certified inspection today." 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 Westchester, IL Asbestos survey commercial Westchester, IL Asbestos testing near me Westchester, IL Mold Mold inspection Westchester, IL Black mold testing Westchester, IL Basement mold inspection Westchester, IL Lead Lead paint testing Westchester, IL Lead risk assessment Westchester, IL Lead inspection daycare Westchester, IL Schedule Radon Testing in Westchester, 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 Test-only. No remediation. No conflict of interest. Air Asbestos Lead Mold Radon Water 室内空气质量 什么是空气质量？ 室内空气质量 (IAQ) 是对您周围环境的一种或多种测量方法。 这些测量值是根据环境保护署 (EPA) 概述的标准进行评估的。 室内空气质量差会导致哮喘、头痛、睡眠不佳、头晕、虚弱、恶心、嗜睡、肝/肾受损，在极少数情况下甚至会导致死亡。 Northern Illinois Radon LLC 为您提供测试；发挥我们在环境空气质量评估方面的专业知识。 提供住宅和商业测试计划，以最好地满足我们客户的需求及其清洁建筑的目标。 我们呼吸的空气中有什么？ 所有建筑类型和规模的空气质量测试 我们呼吸的空气中的化学物质 (VOC) 构成了室内空气质量最大和最复杂的方面。 将数百种化学物质的复杂分析简化为可理解和可操作的形式是改善室内空气质量的关键空气质量. Prism 的 IAQ 家庭和商业调查提供： 空气中VOCs（TVOC）总含量的测定 相对于推荐指南的空气质量评估 VOC来源分类 预测对TVOC水平有贡献的来源 改善空气质量所需行动建议 结果是： 一份经济高效、易于理解的报告，提供了制定改善空气质量的可行计划所需的信息。 Why independent testing matters: As a testing-only firm, we have no financial interest in finding problems. Our accredited laboratory results are accepted by real estate attorneys, mortgage lenders, FHA/VA underwriters, IDPH, and Illinois EPA. You get the truth about your environment — not a sales pitch for remediation services. Indoor Air Quality Survey 室内空气质量调查 Commercial Schedule Now Education Schedule Now Government Schedule Now Healthcare Schedule Now HUD Schedule Now Residential Schedule Now 气味 让 US Environmental Testing 评估空气质量以及供暖和通风系统组件的有效性。 住宅中的空气会影响所有居住者。 包括家庭宠物、客人、儿童和成人。 住宅所有区域的空气都在循环，空气在整个家庭中共享。 并非所有杂质和污染物都是肉眼可见的。 特别是那些源自无机或有机化合物的化合物，这些化合物可能会从我们环境中的建筑材料和附近的化学物质中释放出来。 我们训练有素的技术人员和经过认证的实验室可以识别化学品和化合物 [已知和未知]。并非所有化合物都含有硫醇，硫醇是一种会散发刺鼻气味的添加剂，旨在提醒旁观者危险泄漏。 烟草烟雾检查 你有生活或 工作区 有烟草味？ 让我们进行烟雾分析以确定气味的来源并确定您可能遇到的任何难闻气味的正确来源 注意！ 挥发性有机化合物 (VOC) 我们呼吸的空气中的化学物质 (VOC) 构成了室内空气质量中最大和最复杂的方面。 将数百种化学物质的复杂分析简化为易于理解和可操作的形式是改善室内空气质量的关键。 Prism 的 IAQ 家庭和商业调查提供： 空气中VOCs（TVOC）总含量的测定 根据推荐指南评估空气质量 VOC来源分类 预测有助于TVOC水平的来源 空气质量改善行动建议 结果是： 一份经济高效、易于理解的报告，提供了制定改善空气质量的可行计划所需的信息。 Anchor 1 FAQ-VOCs Volatile Organic Compounds (VOCs) What are some sources of VOCs? Household products, including: paints, paint strippers and other solvents wood preservatives aerosol sprays cleansers and disinfectants moth repellents and air fresheners stored fuels and automotive products hobby supplies dry-cleaned clothing pesticide Other products, including: building materials and furnishings office equipment such as copiers and printers, correction fluids and carbonless copy paper graphics and craft materials including glues and adhesives, permanent markers and photographic solutions. (https://www.epa.gov/indoor-air-quality-iaq/volatile-organic-compounds-impact-indoor-air-quality) FAQ-VOC HEALTH What are known Health effects of VOCs? Health effects may include: Eye, nose and throat irritation Headaches, loss of coordination and nausea Damage to liver, kidney and central nervous system Some organics can cause cancer in animals, some are suspected or known to cause cancer in humans. Key signs or symptoms associated with exposure to VOCs include: conjunctival irritation nose and throat discomfort headache allergic skin reaction shortness of breath declines in serum cholinesterase levels nausea vomiting fatigue dizziness The ability of organic chemicals to cause health effects varies greatly from those that are highly toxic, to those with no known health effect. https://www.epa.gov/indoor-air-quality-iaq/volatile-organic-compounds-impact-indoor-air-quality Comprehensive Environmental Testing - Illinois Which Illinois environmental company offers comprehensive air, water, and soil testing? Questions & Answers: Air Quality Commercial, DCFS, Multi-Family, Real Estate, Residential. Indoor & Outdoor Air Quality Testing: Radon gas measurement for homes and commercial buildings; asbestos fiber air sampling (PCM and TEM analysis); mold spore air sampling and surface sampling; volatile organic compound (VOC) and formaldehyde testing; pre-demolition NESHAP ambient air monitoring; and general indoor air quality assessments for offices, schools, daycares, and residential properties. Water Quality Analysis: Drinking water testing for lead, bacteria (coliform), nitrates, pH, hardness, and heavy metals; comprehensive well water panels; municipal water testing for homes with aging lead service lines; and water quality testing packages for real estate transactions and pre-purchase due diligence. Soil & Materials Testing: Asbestos bulk material sampling with NVLAP-accredited laboratory PLM analysis; lead paint chip sampling and XRF lead paint inspections; soil sampling for lead, asbestos, and other site contaminants (pre-construction and post-remediation verification); and chemical and material identification services. 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 Illinois Radon Testing & Mitigation Authority (2026) US Environmental Testing Most homes in Hanover Park have never been tested for radon - Schedule your certified inspection today." Radon Is a Serious Risk in Hanover Park, Illinois Illinois is a high radon zone, and homes in Hanover Park 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 in Hanover Park, IL Trusted Radon Testing in Hanover Park, Illinois If you're searching for licensed, insured environmental testing in Hanover Park, 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 Hanover Park, 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 Hanover Park, 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 Chicago, 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 Hanover Park, IL Asbestos survey commercial Hanover Park, IL Asbestos testing near me Hanover Park, IL Mold Mold inspection Hanover Park, IL Black mold testing Hanover Park, IL Basement mold inspection Hanover Park, IL Lead Lead paint testing Hanover Park, IL Lead risk assessment Hanover Park, IL Lead inspection daycare Hanover Park, IL Schedule Radon Testing in Hanover Park, Illinois 📞 630-915-9434 📧 info@usenvi.com 🌐 www.usenvi.com "Fast. Accurate. Experienced. Knowledgeable." Blog Ph: 630-915-9434 Request Quote

Discover licensed asbestos building inspections, lead-based paint and sampling, licensed radon testing and mitigation, and water assessments in Bartlett, IL. Protect your home with expert testing & mitigation services today! Air Asbestos Lead Mold Radon Water Most homes in Bartlett have never been tested for radon - Schedule your certified inspection today." Radon Is a Serious Risk in Bartlett, Illinois Illinois is a high radon zone, and homes in Bartlett 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 Bartlett, IL Trusted Radon Testing in Bartlett, Illinois If you're searching for licensed, insured environmental testing in Bartlett, 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 Bartlett, 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 Bartlett, 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 Bartlett, 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 Bartlett, IL Asbestos survey commercial Bartlett, IL Asbestos testing near me Bartlett, IL Mold Mold inspection Bartlett, IL Black mold testing Bartlett, IL Basement mold inspection Bartlett, IL Lead Lead paint testing Bartlett, IL Lead risk assessment Bartlett, IL Lead inspection daycare Bartlett, IL Schedule Radon Testing in Bartlett, Illinois 📞 630-915-9434 📧 info@usenvi.com 🌐 www.usenvi.com "Fast. Accurate. Experienced. Knowledgeable." Blog Ph: 630-915-9434 Request Quote

Discover licensed asbestos building inspections, lead-based paint and sampling, licensed radon testing & mitigation, and water assessments in St. Charles, IL. Protect your home with expert testing & mitigation services today! Air Asbestos Lead Mold Radon Water Most homes in St. Charleshave never been tested for radon - Schedule your certified inspection today." Radon Is a Serious Risk in St. Charles, Illinois Illinois is a high radon zone, and homes in St. Charles 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 St. Charles, IL Trusted Radon Testing in St. Charles, Illinois If you're searching for licensed, insured environmental testing in St. Charles, 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 St. Charles, 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 St. Charles, 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 St. Charles, Illinois and Nearby Areas & Regions: Service Areas We proudly serve St. Charles, 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 St. Charles, IL asbestos survey commercial St. Charles, IL asbestos testing near me St. Charles, IL Mold mold inspection St. Charles, IL black mold testing St. Charles, IL basement mold inspection St. Charles, IL Lead lead paint testing St. Charles, IL lead risk assessment St. Charles, IL lead inspection daycare St. Charles, IL Schedule Radon Testing in St. Charles, Illinois 📞 630-915-9434 📧 info@usenvi.com 🌐 www.usenvi.com "Fast. Accurate. Experienced. Knowledgeable." Blog Ph: 630-915-9434 Request Quote

About Us Finding Inspiration in Every Turn This is your About Page. This space is a great opportunity to give a full background on who you are, what you do and what your website has to offer. Double click on the text box to start editing your content and make sure to add all the relevant details you want site visitors to know. Our Story Every website has a story, and your visitors want to hear yours. This space is a great opportunity to give a full background on who you are, what your team does, and what your site has to offer. Double click on the text box to start editing your content and make sure to add all the relevant details you want site visitors to know. If you’re a business, talk about how you started and share your professional journey. Explain your core values, your commitment to customers, and how you stand out from the crowd. Add a photo, gallery, or video for even more engagement. Meet The Team Don Francis Founder & CEO Ashley Jones Tech Lead Tess Brown Office Manager Lisa Rose Product Manager Kevin Nye HR Lead Alex Young Customer Support Lead Our Clients

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 Illinois Radon Testing & Mitigation Authority (2026) US Environmental Testing Most homes in Mt. Prospect have never been tested for radon - Schedule your certified inspection today." Radon Is a Serious Risk in Mt. Prospect, Illinois Illinois is a high radon zone, and homes in Mt. Prospect 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 in Mt. Prospect, Illinois Trusted Radon Testing in Mt. Prospect, Illinois If you're searching for licensed, insured environmental testing in Mt. Prospect, 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 Mt. Prospect, 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 Mt. Prospect, 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 Mt. Prospect, Illinois and Nearby Areas & Regions: Service Areas We proudly serve Mt Prospect, 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 Mt. Prospect, IL Asbestos survey commercial Mt. Prospect, IL Asbestos testing near me Mt. Prospect, IL Mold Mold inspection Mt. Prospect, IL Black mold testing Mt. Prospect, IL Basement mold inspection Mt. Prospect, IL Lead Lead paint testing Mt. Prospect, IL Lead risk assessment Mt. Prospect, IL Lead inspection daycare Mt. Prospect, IL Schedule Radon Testing in Mt. Prospect, Illinois 📞 630-915-9434 📧 info@usenvi.com 🌐 www.usenvi.com "Fast. Accurate. Experienced. Knowledgeable." Blog Ph: 724-467-7328 Request Quote