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Radon professionals in Derry, Pennsylvania

Radon businesses with an address in Derry, with the licenses on file for each.

Derry, PA at a glance

  • Businesses listed

    1

    Derry
    1
    Irwin
    1

    By each business's listed address

  • 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

    34.9%

    4.6 pts above PA

    Westmoreland
    34.9%
    PA
    30.3%

    Westmoreland, 40th of 63 in PA, 2020

  • EPA radon zone

    Zone 1

    Highest potential

    1. Zone 1
    2. 2
    3. 3

    1 highest, 3 lowest

    Westmoreland County, where Derry is

No business licensed by Pennsylvania is listed here yet.

Located in Pennsylvania, licensed by another state

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

1 professional located in Derry, Pennsylvania and listed by another state.

Radon levels in Derry

Read a result for Derry

Starts at Westmoreland County's median, 2.6 pCi/L

2.6pCi/L

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

EPA’s reading of 2.6 pCi/L

Between 2 and 4 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 between 2 and 4 pCi/L. EPA recommends considering a fix when the level is between 2 and 4 pCi/L. Westmoreland County's median reported result, 2020.

Derry lies in Westmoreland County, where 34.9% of 1,588 radon tests reported to CDC (2020) were at or above 4 pCi/L, 4.6 points above Pennsylvania pooled (30.3%), 40th of 63 Pennsylvania counties with 30 or more tests.

Radon test figures for the county Derry lies in
CountyTestsAt or above 4 pCi/LMedianPennsylvania, pooledRank in the stateEPA zone
Westmoreland County1,58834.9%2.6 pCi/L30.3%40 of 63Zone 1

Shares of tests people chose to run and report, by county (2020); the state's is its counties' counts added up, calculated by Radon411. Only a test measures a home.

Around Westmoreland County, where Derry lies, the nearest Pennsylvania counties with a CDC figure for 2020 run from 17.4% to 47.6% of tests at or above 4 pCi/L; the closest, Fayette County, is 29 miles away at 17.4%.

The nearest Pennsylvania counties to Westmoreland County with 30 or more tests, 2020
CountyDistanceTestsAt or above 4 pCi/LMedian
Fayette County29 mi28717.4%1.8 pCi/L
Allegheny County29 mi8,33730.5%2.5 pCi/L
Indiana County31 mi22844.3%3.6 pCi/L
Somerset County33 mi12643.7%3.7 pCi/L
Armstrong County35 mi18747.6%3.7 pCi/L
Cambria County42 mi32944.7%3.3 pCi/L

Listings come from state licensing registries.

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