# Radon Test Result Checker | Radon Mitigation Des Moines

> Compare your radon test result to the EPA 4.0 pCi/L action level and WHO 2.7 level, convert to Bq/m³ and see the reduction needed.

URL: https://radonmitigationdesmoines.com/tools/radon-test-result-checker/

Free radon tool

# Radon Test Result Checker

Got a radon number back from a test kit, a home inspector or a continuous radon monitor? This checker puts it in context. It converts your result to Bq/m³, shows how it compares to the EPA and WHO levels, and estimates how much a mitigation system would need to lower it.

Reduction Needed to Reach Target

68%

Times the EPA Action Level

1.55

Result in Bq/m³

229

warningAt or above the EPA action level of 4.0 pCi/L. The EPA recommends mitigation. If this number came from one short-term test, confirm it with a follow-up test or move straight to a fix.

Unit conversion (1 pCi/L = 37 Bq/m³), ratio to the EPA 4.0 action level, and percent reduction needed to reach the chosen target.

### Above 4.0 pCi/L? Let's Fix It

Send your result and foundation type and we'll recommend the right system.

The math

## How the Test Result Checker Works

1.  01
    
    ### Unit conversion
    
    US test reports use picocuries per liter (pCi/L). Most other countries and the WHO use becquerels per cubic meter (Bq/m³). One pCi/L equals 37 Bq/m³.
    
2.  02
    
    ### EPA action level
    
    The EPA recommends fixing a home at 4.0 pCi/L or higher. We divide your result by 4.0 to show how many times over that line you are.
    
3.  03
    
    ### Reduction needed
    
    We compare your result to the target you pick and show the percent drop needed to reach it. A properly installed active system typically brings levels below 4.0 pCi/L, and often below 2.0.
    

Good to know

## Test Result Checker Questions

### What is a safe radon level?

expand\_more

No level of radon is risk-free. The EPA recommends fixing your home at 4.0 pCi/L or higher and suggests considering a fix between 2.0 and 4.0 pCi/L. The WHO reference level is 100 Bq/m³, about 2.7 pCi/L.

### Should I trust one short-term test?

expand\_more

A 2- to 7-day test is a snapshot. Radon changes with weather and season, so the EPA suggests a follow-up test before deciding, unless you're on a real estate deadline. A long-term test of 90 days or more gives the best year-round average.

### How do I know the system worked?

expand\_more

Every system we install is checked with a post-mitigation test. It's included in our quote, so you get a number in writing showing the drop.

Still have a question?

Our support line answers 24 hours a day, 7 days a week.

phone\_in\_talk (515) 218-7447

[tel:+15152187447 →](tel:+15152187447)

 

Send a Question

[/contact/ →](/contact/)

Keep reading

## Related Guides and Tools

Guide How Often Should You Test Your Home for Radon in Iowa? A simple radon retest schedule for Iowa homes: every two years with a system, after renovations, basement finishing or foundation work, and with the seasons in mind. Read the guide →

[/guide/how-often-to-test-for-radon/ →](/guide/how-often-to-test-for-radon/)

 

Guide Why Are Radon Levels So High in Des Moines and Central Iowa? Iowa is EPA Zone 1 and about 71% of homes test above 4.0 pCi/L. Here's how glacial soils, winter stack effect and spring rain drive radon into Des Moines homes. Read the guide →

[/guide/why-is-radon-so-high-in-iowa/ →](/guide/why-is-radon-so-high-in-iowa/)

 

Free tool Radon Fan Operating Cost Calculator Estimate what your radon fan costs to run each month and year based on fan wattage and your electricity rate. Open calculator →

[/tools/radon-fan-operating-cost/ →](/tools/radon-fan-operating-cost/)

All free radon tools →

[/tools/ →](/tools/)

Keep exploring

## Services Related to This Tool

monitor\_heartRadon TestingCRM, short-term, long-term, real estate and post-mitigation radon testing by credentialed testers. Learn more arrow\_forward

[/radon-testing/ →](/radon-testing/)

homeResidential Radon MitigationRadon systems matched to your foundation: basement sub-slab, crawlspace, exterior, waterborne and vapor intrusion. Learn more arrow\_forward

[/residential-radon-mitigation/ →](/residential-radon-mitigation/)

![](/images/hero/radon-technician-loading-white-pvc-pipe-and-radon-.webp)

24/7 booking & support

## Ready to Lower Your Radon Level?

Send your test result and foundation type, or call our 24-hour line. Every system we install is backed by a 5-year warranty.

Request a Quote

[/contact/ →](/contact/)

 

phone\_in\_talk Call (515) 218-7447

[tel:+15152187447 →](tel:+15152187447)

-   verifiedIowa HHS credentialed
-   shield5-year warranty
-   fact\_checkPost-mitigation test