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RADON411

Radon mitigation and testing in Saint Louis, Missouri

Testers and mitigation companies with an address in Saint Louis, with the licenses on file for each.

Saint Louis, MO at a glance

  • Businesses listed

    1

    Saint Louis
    1
    Dexter
    1

    By each business's listed address

  • Listed for testing

    1

    100% of listings

    Testing
    1
    Mitigation
    1

    A business can be listed for both

  • State license on file

    1

    100% of listings

    State license
    1
    NRPP
    0

    As each issuer's own record shows it

  • Share at 4+ pCi/L

    16.9%

    13.7 pts below MO

    St. Louis city
    16.9%
    Missouri
    30.6%

    St. Louis city, 66th of 72 in MO, 2008 to 2017

  • EPA radon zone

    Zone 2

    Moderate potential

    1. 1
    2. Zone 2
    3. 3

    1 highest, 3 lowest

    St. Louis city, where Saint Louis is

Professionals in Saint Louis

Missouri licensing and every city

No business licensed by Missouri is listed here yet.

Located in Missouri, licensed by another state

These businesses have an address in Missouri, and another state's registry lists them. That does not mean Missouri licenses them: check with Missouri's radon program before hiring one for work here.

1 professional located in Saint Louis, Missouri and listed by another state.

Radon levels in Saint Louis

Read a result for Saint Louis

Starts at St. Louis city's median, 1.9 pCi/L

1.9pCi/L

EPA’s own thresholds; the figures are the area’s, never this home’s.

EPA’s reading of 1.9 pCi/L

Below 2 pCi/L

  1. Under 20 to 1.9 pCi/L
  2. 2 to 4consider a fix
  3. 4 and aboveEPA says fix it

This result is below 2 pCi/L, the level at which EPA says a fix should be considered. St. Louis city's median reported result, 2008 to 2017.

Interpret this reading

Saint Louis lies in St. Louis city, where 16.9% of 1,873 radon tests reported to CDC (2008 to 2017, laboratory) were at or above 4 pCi/L, 13.7 points below Missouri pooled (30.6%), 66th of 72 Missouri counties with 30 or more tests.

Radon test figures for the county Saint Louis lies in
CountyTestsAt or above 4 pCi/LMedianMissouri, pooledRank in the stateEPA zone
St. Louis city1,87316.9%1.9 pCi/L30.6%66 of 72Zone 2

Shares of tests people chose to run and report, by county (2008 to 2017, laboratory); the state's is its counties' counts added up, calculated by Radon411. Only a test measures a home.

Around St. Louis city, where Saint Louis lies, the nearest Missouri counties with a CDC figure for 2008 to 2017, laboratory run from 26.3% to 41.6% of tests at or above 4 pCi/L; the closest, St. Louis County, is 11 miles away at 26.3%.

The nearest Missouri counties to St. Louis city with 30 or more tests, 2008 to 2017, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
St. Louis County11 mi17,74726.3%2.3 pCi/L
St. Charles County25 mi7,00126.5%2.2 pCi/L
Jefferson County30 mi2,65241.6%3.1 pCi/L
Franklin County48 mi75333.2%2.6 pCi/L
Lincoln County48 mi44433.6%2.2 pCi/L
Warren County50 mi28536.8%2.7 pCi/L

Cities near Saint Louis

Every city in Missouri with listed radon professionals

Listings come from state licensing registries.

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