# Radon Testing St. Louis > A radon resource by Air Sense Environmental Website: https://radontestingstlouismo.com Language: en (UTF-8) Charset: UTF-8 Generated: 2026-10-10T17:38:27+00:00 --- # Radon Testing St. Louis A radon information website operated by Air Sense Environmental, not a separate business or local office. Professional radon testing with continuous monitors and a report you can act on. Business entity: https://airsenseenvironmental.com/#organization Owner and named radon professional: Jake Lusby (registry name Jacob Lusby), Illinois IEMA Mitigation Professional license RNM20232346. This profile does not assert that Jake personally reviewed every page. Headquarters: 5237 Old Alton Edwardsville Rd, Edwardsville, IL 62025. Phone: 314-664-9807. Focus area: St. Louis, St. Louis County, Kirkwood, Webster Groves, Richmond Heights, Creve Coeur, Maryland Heights, Hazelwood, Florissant, Mehlville. Service areas are not office locations. # Detailed Content ## Pages ### Schedule With Radon Testing St. Louis **Summary:** Skip to contentA radon resource by Air Sense EnvironmentalRadon Testing St. LouisRadon guidesAboutSchedule a visit314-664-9807Home / Contact Radon Testing St. LouisRadon Testing St. Louis / Air SenseSchedule With Radon Testing... **Content:** Skip to contentA radon resource by Air Sense Environmental Radon Testing St. LouisRadon guidesAboutSchedule a visit314-664-9807Home / Contact Radon Testing St. Louis Radon Testing St. Louis / Air Sense Schedule With Radon Testing St. Louis Arrange a radon measurement with Air Sense Environmental by calling 314-664-9807 or completing the inquiry form. Include the reason for testing and any date by which you need the report, especially when a property transaction is involved. Request a visitTalk through your next step → Real Air Sense installation photography. 01 Understand the result02 Discuss the property03 Plan the next step How do I request a visit? Begin with the testing address, your preferred contact method and the person who can provide entry. Say whether the building is occupied and whether an agent or seller must coordinate access. Ask about the available testing dates, measurement duration and instructions for the occupants before choosing an appointment. What details should I provide? Different testing purposes can require different arrangements. A routine household check, a buyer’s test and a post-mitigation measurement should be identified clearly. If a lender, agent or other recipient has given you written requirements, have those available for review. Describe the lowest area intended for occupancy. Note an operating radon system, if present. Provide earlier measurements when available. Specify who needs to receive the finished report. What happens after I contact Air Sense? Confirm the placement and collection arrangements with Air Sense, together with the price and expected reporting schedule. Everyone using the home should receive the applicable preparation instructions. The inquiry alone does not confirm a booking or guarantee a reporting deadline; wait for the agreed details before relying on them in your transaction timeline. Request your radon visit Your request goes to Air Sense Environmental. The team will confirm availability and the scope of work. Prefer to speak with someone? Call 314-664-9807. Air Sense Environmental on Google Maps Air Sense Environmental serves properties across the Greater St. Louis bi-state metro from Edwardsville, Illinois. This map shows the business behind this website, not a separate local office. 5237 Old Alton Edwardsville Rd, Edwardsville, IL 62025. Call 314-664-9807 to arrange service at your property. View Air Sense Environmental on Google Maps (opens in a new tab) Sources and further reading Air Sense Environmental In this guide Keep reading Radon Testing in St. Louis, With a Report You Can ReadRadon Test Kit or Professional Radon Test: Which Do You Need?Radon Levels Chart: What Your Test Result MeansA real property. A specific plan. Bring your test report and property questions to Air Sense Environmental. Discuss your property → Your next step Make a plan for your property. Ask Air Sense Environmental about testing, system options or an existing radon concern. Request a visit → Radon Testing St. LouisThis site is operated by Air Sense Environmental, which provides the radon services described here. It is a service information site, not a separate local office. 5237 Old Alton Edwardsville Rd, Edwardsville, IL 62025 314-664-9807 Start here HomeAboutContact Radon decisions depend on a property-specific test and the applicable guidance. --- ### About Radon Testing St. Louis **Summary:** Skip to contentA radon resource by Air Sense EnvironmentalRadon Testing St. LouisRadon guidesAboutSchedule a visit314-664-9807Home / About Radon Testing St. LouisRadon Testing St. Louis / Air SenseAbout Radon Testing St.... **Content:** Skip to contentA radon resource by Air Sense Environmental Radon Testing St. LouisRadon guidesAboutSchedule a visit314-664-9807Home / About Radon Testing St. Louis Radon Testing St. Louis / Air Sense About Radon Testing St. Louis A radon reading is useful when you know what was measured and under which conditions. Radon Testing St. Louis covers those questions for homeowners considering a kit, professional testing or a follow-up measurement through Air Sense Environmental. Request a visitTalk through your next step → Real Air Sense installation photography. 01 Understand the result02 Discuss the property03 Plan the next step Who operates this website? The testing service behind this website is Air Sense Environmental, an Edwardsville, Illinois company serving Greater St. Louis. Contact details and request forms lead directly to that provider. This educational guide is part of its service presence, rather than a laboratory directory or a separate testing business. What does this guide cover? Here you can compare measurement options, review preparation questions and understand the units on a radon report. The guidance also explains why a single number should be read alongside the test duration and location. Property transactions may introduce report requirements that should be established before the device is placed. Choose a test for the decision you need to make. Read the preparation instructions before testing begins. Retain the report instead of only noting its result. How do I contact the provider? Call 314-664-9807 to ask Air Sense about a test for your property. Tell the team whether the purpose is a purchase, a first home check or verification after mitigation. If another party needs the report, explain who that is and when they need it; the testing arrangements should account for those requirements. Sources and further reading Air Sense Environmental In this guide Keep reading Radon Testing in St. Louis, With a Report You Can ReadRadon Test Kit or Professional Radon Test: Which Do You Need?Radon Levels Chart: What Your Test Result MeansA real property. A specific plan. Bring your test report and property questions to Air Sense Environmental. Discuss your property → Your next step Make a plan for your property. Ask Air Sense Environmental about testing, system options or an existing radon concern. Request a visit → Radon Testing St. LouisThis site is operated by Air Sense Environmental, which provides the radon services described here. It is a service information site, not a separate local office. 5237 Old Alton Edwardsville Rd, Edwardsville, IL 62025 314-664-9807 Start here HomeAboutContact Radon decisions depend on a property-specific test and the applicable guidance. --- ### Radon Levels Chart: What Your Test Result Means **Summary:** Skip to contentA radon resource by Air Sense EnvironmentalRadon Testing St. LouisRadon guidesAboutSchedule a visit314-664-9807Home / Radon Levels Chart: What Your St. Louis Test Result MeansRadon Testing St. Louis /... **Content:** Skip to contentA radon resource by Air Sense Environmental Radon Testing St. LouisRadon guidesAboutSchedule a visit314-664-9807Home / Radon Levels Chart: What Your St. Louis Test Result Means Radon Testing St. Louis / Air Sense Radon Levels Chart: What Your Test Result Means A radon levels chart helps you interpret radon concentration in your home. Radon is measured in pCi/L. EPA recommends mitigation at 4 pCi/L or higher and consideration of mitigation between 2 and 4 pCi/L. Lower radon levels reduce exposure, but no level is known to be risk-free. Request a visitTalk through your next step → Real Air Sense installation photography. 01 Understand the result02 Discuss the property03 Plan the next step What radon level is dangerous? Radon risk does not begin at one sharp boundary. EPA’s action level is a practical trigger for reducing exposure, not a line dividing harmless air from harmful air. Use the complete report and an appropriate follow-up plan instead of making a decision from a single unexplained number. Below 2 pCi/L: retain the result and consider changes in future home use. 2 to below 4 pCi/L: EPA says to consider reduction. 4 pCi/L or higher: EPA recommends fixing the home. What is a good radon level? A good radon result is a lower measured concentration supported by a valid test. Do not label a property permanently safe from one reading. The device, room, test dates and conditions explain what that reading represents. When comparing reports, put the measurement details beside each number. A short-term basement result and a longer test in another room are not interchangeable simply because both use pCi/L. Ask the tester to explain any apparent disagreement. Compare the same units. Note the room and level tested. Keep the exposure dates with the result. What does 4.0 pCi/L mean? The unit pCi/L means picocuries per liter of air, a measure of radon’s radioactive activity in an air volume. A result of 4.0 pCi/L is the EPA action level. It does not describe a symptom, the age of the building or the visible condition of the foundation. Make sure you are reading the reported test result rather than a peak value, device status indicator or a different air-quality metric. If a display uses another unit, ask for help interpreting it before comparing thresholds. What should you do after a high radon test result? After a high radon result, establish whether the measurement was valid and which follow-up action fits the test. CDC describes confirmatory testing after an elevated short-term screen and mitigation when the appropriate result remains elevated. A transaction can have its own required procedure. Contact Air Sense with the complete report. Explain the intended use of the tested space, whether the building already has a system and whether any deadline applies. Keep the original measurement rather than replacing it with an informal summary. Confirm device, dates and location. Report testing-condition problems. Discuss the appropriate confirmation or mitigation step. Retain the follow-up report. How common are high radon levels in St. Louis? A St. Louis address needs its own measurement; this guide does not assign a local failure percentage without a verified dataset. Missouri DHSS links to residential testing maps, which can provide regional context. They do not measure an untested home. When reading a map, look for its date range, geographic unit and explanation of the samples. A collection of voluntarily submitted tests is not automatically a random sample of every house. Do not compare two neighborhoods without checking what the map is actually counting. EPA action guidance: helps interpret an individual measurement. Missouri testing map: provides regional testing context. Your household report: records the tested property and period. Questions before you book Does a low result in another room cancel a high result?No. Review the location and purpose of both tests with a qualified tester. Keep both reports so the difference can be interpreted. Can I compare an hourly spike with the action level?Use the reported result and applicable protocol for the decision. Ask the tester how any time-series readings relate to the final measurement. Should I send only the final number when requesting help?Send the full report if possible. Duration, location, units and conditions are needed to understand the number. Sources and further reading EPA radon action levelCDC: Testing your home for radonMissouri DHSS radon program In this guide Keep reading Radon Testing in St. Louis, With a Report You Can ReadRadon Test Kit or Professional Radon Test: Which Do You Need?A real property. A specific plan. Bring your test report and property questions to Air Sense Environmental. Discuss your property → Your next step Make a plan for your property. Ask Air Sense Environmental about testing, system options or an existing radon concern. Request a visit → Radon Testing St. LouisThis site is operated by Air Sense Environmental, which provides the radon services described here. It is a service information site, not a separate local office. 5237 Old Alton Edwardsville Rd, Edwardsville, IL 62025 314-664-9807 Start here HomeAboutContact Radon decisions depend on a property-specific test and the applicable guidance. --- ### Radon Test Kit or Professional Radon Test: Which Do You Need? **Summary:** Skip to contentA radon resource by Air Sense EnvironmentalRadon Testing St. LouisRadon guidesAboutSchedule a visit314-664-9807Home / Radon Test Kit vs Professional Radon Test in St. LouisRadon Testing St. Louis /... **Content:** Skip to contentA radon resource by Air Sense Environmental Radon Testing St. LouisRadon guidesAboutSchedule a visit314-664-9807Home / Radon Test Kit vs Professional Radon Test in St. Louis Radon Testing St. Louis / Air Sense Radon Test Kit or Professional Radon Test: Which Do You Need? A radon test kit measures radon gas in your home over a specified exposure period. Follow the kit instructions for placement, closed-house conditions and return to the laboratory when required. Compare a do-it-yourself radon test kit with professional testing by checking the test duration, laboratory fees and report requirements before buying. Request a visitTalk through your next step → Real Air Sense installation photography. 01 Understand the result02 Discuss the property03 Plan the next step Are home radon test kits accurate? Home radon test kits can produce useful results when the device, placement, exposure period and laboratory handling meet the instructions. Accuracy is not the same as representativeness: even a correctly performed short test samples only that period. Before using a kit, read what the package includes. Check laboratory analysis, return shipping, expiration information and the allowed time between completing the exposure and mailing the sample. A cheap kit is poor value if the sample becomes unusable. Check the expiration date. Read the placement instructions before opening. Confirm how and when to return the sample. Short-term vs long-term radon test: which one? Short-term and long-term radon tests answer different timing questions. CDC describes short-term tests as 2 to 90 days and long-term tests as more than 90 days. A longer measurement gives a broader view of the home’s radon over time. Choose the duration to fit the decision. A contract deadline may require a specific procedure; a household considering normal long-term exposure may have more flexibility. Ask a qualified tester how to proceed after an elevated first screen rather than selecting another test solely because it is convenient. Short deadline: confirm the accepted protocol first. Longer household question: discuss a longer exposure period. Post-mitigation check: agree on the follow-up method. Can you get a free radon test kit in Missouri? Missouri DHSS currently offers residents a free short-term kit, limited to one per household while supplies last. Use the state program’s current ordering instructions; availability and eligibility can change. A mailed kit still requires you to carry out the test and return the sample as directed. Allow for delivery, exposure and laboratory processing. If your decision has a firm deadline, establish whether the full process fits before relying on the free-kit route. When is a professional radon test the better choice? A professional radon test is the better choice when you need assistance with setup, documented conditions or a report for a transaction. CDC recommends a qualified tester for buying or selling a home. Ask what service is actually included. Device placement, collection and an explanation of the report are separate practical needs. Tell Air Sense who needs the report and when, and ask whether the proposed service meets that purpose. Do not assume any report is accepted by every party. Provide the deadline and intended recipient. Ask how test conditions are documented. Confirm whether a follow-up visit is required. How do you use a radon test kit correctly? Use a radon test kit by following its own instructions from start to finish. Instructions can differ between devices, so avoid copying placement or timing from an unrelated online example. Select the test location deliberately and leave the device undisturbed. Complete the identifying paperwork carefully and keep a record of when exposure begins and ends. If the instructions were not followed, disclose the problem rather than treating the result as conclusive. A repeat measurement may be more useful than debating an uncertain sample. Record the room and exposure dates. Keep household members informed. Seal and return the kit as instructed. Retain the full laboratory report. Questions before you book Is “EPA approved” enough to choose a kit?Do not rely on that marketing phrase alone. Confirm current device and laboratory qualifications through the state radon program or recognized certification resources. Do I need a professional for every routine home check?A correctly used household kit may suit a routine screen. Use the test purpose and any required protocol to decide whether professional help is needed. Can Air Sense explain an existing kit result?Call 314-664-9807 with the full laboratory report available. Include the kit type, exposure dates and any problems during testing. Sources and further reading CDC: Testing your home for radonMissouri DHSS radon programAir Sense radon testing service In this guide Keep reading Radon Testing in St. Louis, With a Report You Can ReadRadon Levels Chart: What Your Test Result MeansA real property. A specific plan. Bring your test report and property questions to Air Sense Environmental. Discuss your property → Your next step Make a plan for your property. Ask Air Sense Environmental about testing, system options or an existing radon concern. Request a visit → Radon Testing St. LouisThis site is operated by Air Sense Environmental, which provides the radon services described here. It is a service information site, not a separate local office. 5237 Old Alton Edwardsville Rd, Edwardsville, IL 62025 314-664-9807 Start here HomeAboutContact Radon decisions depend on a property-specific test and the applicable guidance. --- ### Radon Testing in St. Louis, With a Report You Can Read **Summary:** Skip to contentA radon resource by Air Sense EnvironmentalRadon Testing St. LouisRadon guidesAboutSchedule a visit314-664-9807Radon Testing St. Louis / Air SenseRadon Testing in St. Louis, With a Report You Can... **Content:** Skip to contentA radon resource by Air Sense Environmental Radon Testing St. LouisRadon guidesAboutSchedule a visit314-664-9807Radon Testing St. Louis / Air Sense Radon Testing in St. Louis, With a Report You Can Read For radon testing, St. Louis homeowners can book professional residential testing through Air Sense Environmental. The test measures indoor radon gas and reports the concentration in pCi/L. Contact the company for St. Louis metro availability, pricing, testing duration and report requirements. Request a visitTalk through your next step → Real Air Sense installation photography. 01 Understand the result02 Discuss the property03 Plan the next step How does a professional test for radon? A professional tests for radon by selecting and placing an appropriate measurement device, documenting the exposure period and interpreting the result. Air Sense describes calibrated equipment in its testing service. Ask which device and reporting method apply to your appointment; this page does not assume a particular monitor model. Confirm the purpose of the test. Request written preparation instructions. Ask when the report will be available. What happens during a radon inspection? A radon inspection should produce a measurement record, not only a visual opinion about the basement. During booking, ask who will place and collect the device and how access is arranged. Review the report for the address, tested room, dates, units and reported result. If those details are unclear, request an explanation before comparing the number with another test. Keep the entire report rather than saving only a screenshot of the final value. Is radon testing really necessary? Testing is the way to determine whether radon is elevated in your home. You cannot establish the result from a smell, a photograph or the fact that the house is newly built. CDC recommends testing when levels are unknown and around important changes in home use. If a basement is becoming a bedroom or office, mention that plan before the measurement location is chosen. Is Missouri a high radon state? Missouri has a state radon program and publishes testing resources because elevated radon is a household issue worth measuring. A statewide label does not determine the result at a St. Louis address. Use a map to understand the program’s information, then test the individual building. Do not treat a neighbor’s result as a substitute for yours or assume a lower-risk map category means testing is unnecessary. What time of year is best to test for radon? The best time to arrange a radon test is when you can follow the selected protocol correctly. A short measurement represents its exposure period; it cannot establish which month is always highest in your particular house. Discuss seasonal concerns with the tester rather than delaying indefinitely. If your question is about year-round exposure, ask whether a longer measurement would add useful information. Explain travel or vacancy periods. Mention planned ventilation changes. Separate a sales deadline from a long-term exposure question. Can you live in a house during a radon test? You can generally continue ordinary household occupancy during a radon test while following the tester’s instructions. Access to the device and required building conditions matter more than an empty house. Tell everyone in the home not to move or disturb the device. Report any departure from the instructions so the tester can decide whether it affects the result. Keep the device in its assigned position. Follow window and exterior-door instructions. Record equipment interruptions or unusual events. What does a radon test cost in St. Louis? Ask Air Sense for the price of your specific radon test before scheduling. Air Sense’s testing guide gives a regional starting figure of about $140, but your service price, property and report requirements must be confirmed. A general household screen and a transaction with a fixed deadline should not be assumed to have identical scope. Questions before you book Does a radon test also measure mold?A radon measurement answers a radon question. Ask separately about any other concern rather than assuming a radon report includes a broad indoor-air assessment. Can I send an existing report before booking?Yes. Have the full report ready for discussion, including the date, location and test method. What should I do if the device was disturbed?Tell the tester what happened and when. Let the tester determine whether the measurement remains usable. Sources and further reading Air Sense radon testing serviceCDC: Testing your home for radonMissouri DHSS radon program In this guide Keep reading Radon Test Kit or Professional Radon Test: Which Do You Need?Radon Levels Chart: What Your Test Result MeansA real property. A specific plan. Bring your test report and property questions to Air Sense Environmental. Discuss your property → Your next step Make a plan for your property. Ask Air Sense Environmental about testing, system options or an existing radon concern. Request a visit → Radon Testing St. LouisThis site is operated by Air Sense Environmental, which provides the radon services described here. It is a service information site, not a separate local office. 5237 Old Alton Edwardsville Rd, Edwardsville, IL 62025 314-664-9807 Start here HomeAboutContact Radon decisions depend on a property-specific test and the applicable guidance. --- --- # Navigation - [Documentation Overview](https://radontestingstlouismo.com/llms.txt): Return to the main documentation index ## Identity and source records - [Air Sense Environmental](https://airsenseenvironmental.com/) - [Jake Lusby profile](https://airsenseenvironmental.com/author/jakelusby/) - [IEMA issuer record](https://public.iema.state.il.us/Radon/Home/LicenseIndex?Employer=Air%20Sense%20Environmental&LicenseTypeID=0&CountyID=0&SearchString=&PageSize=20) - [Website entity map](https://radontestingstlouismo.com/entitymap.json) - [About this website](https://radontestingstlouismo.com/about/) - [Contact](https://radontestingstlouismo.com/contact/) Follow-up radon testing is recommended after mitigation. Confirm the provider, price, timing and scope in the written estimate; it is not automatically included. No blanket free-adjustment or performance guarantee is stated here.