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RADON411

Radon testing in Herrin, Illinois

Radon testers with an address in Herrin, with the licenses on file for each.

Herrin, IL at a glance

  • Businesses listed

    1

    Herrin
    1
    Carterville
    1

    By each business's listed address

  • Listed for testing

    1

    100% of listings

    Testing
    1
    Mitigation
    0

    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

    8.4%

    25.3 pts below IL

    Williamson
    8.4%
    Illinois
    33.7%

    Williamson, 70th of 70 in IL, 2017

  • EPA radon zone

    Zone 2

    Moderate potential

    1. 1
    2. Zone 2
    3. 3

    1 highest, 3 lowest

    Williamson County, where Herrin is

Professionals in Herrin

Illinois licensing and every city

1 professional in Herrin, Illinois.

Radon levels in Herrin

Read a result for Herrin

Starts at Williamson County's median, 0.9 pCi/L

0.9pCi/L

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

EPA’s reading of 0.9 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. Williamson County's median reported result, 2017.

Interpret this reading

Herrin lies in Williamson County, where 8.4% of 249 radon tests reported to CDC (2017) were at or above 4 pCi/L, 25.3 points below Illinois pooled (33.7%), 70th of 70 Illinois counties with 30 or more tests.

Radon test figures for the county Herrin lies in
CountyTestsAt or above 4 pCi/LMedianIllinois, pooledRank in the stateEPA zone
Williamson County2498.4%0.9 pCi/L33.7%70 of 70Zone 2

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

Around Williamson County, where Herrin lies, the nearest Illinois counties with a CDC figure for 2017 run from 10.0% to 35.0% of tests at or above 4 pCi/L; the closest, Franklin County, is 18 miles away at 10.0%.

The nearest Illinois counties to Williamson County with 30 or more tests, 2017
CountyDistanceTestsAt or above 4 pCi/LMedian
Franklin County18 mi3010.0%1.9 pCi/L
Jackson County25 mi9625.0%2.5 pCi/L
Jefferson County39 mi13819.6%1.9 pCi/L
Washington County50 mi5111.8%2.0 pCi/L
Randolph County54 mi6035.0%2.9 pCi/L
Marion County63 mi4520.0%1.9 pCi/L

Cities near Herrin

Every city in Illinois with listed radon professionals

Listings come from state licensing registries.

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