Rhis, INC.
Wilmington, DE
Listed for: TestingMitigation
Verified:Pennsylvania state license
Call Rhis, INC. at (302) 993-9100No website listed
Radon mitigation and testing in Wilmington, Delaware
Testers and mitigation companies with an address in Wilmington, with the licenses on file for each.
Wilmington, DE at a glance
Businesses listed
1
- Wilmington
- 1
- Dover
- 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
17.0%
0.3 pts above DE
- New Castle
- 17.0%
- Delaware
- 16.7%
New Castle, 1st of 3 in DE, 2008 to 2017
EPA radon zone
Zone 2
Moderate potential
- 1
- Zone 2
- 3
1 highest, 3 lowest
New Castle County, where Wilmington is
Professionals in Wilmington
No business licensed by Delaware is listed here yet.
Located in Delaware, licensed by another state
These businesses have an address in Delaware, and another state's registry lists them. That does not mean Delaware licenses them: check with Delaware's radon program before hiring one for work here.
1 professional located in Wilmington, Delaware and listed by another state.
- View profile for Rhis, INC.
Radon levels in Wilmington
Read a result for Wilmington
Starts at New Castle County's median, 1.8 pCi/L
EPA’s own thresholds; the figures are the area’s, never this home’s.
EPA’s reading of 1.8 pCi/L
Below 2 pCi/L
- Under 20 to 1.9 pCi/L
- 2 to 4consider a fix
- 4 and aboveEPA says fix it
This result is below 2 pCi/L, the level at which EPA says a fix should be considered. New Castle County's median reported result, 2008 to 2017.
Wilmington lies in New Castle County, where 17.0% of 10,247 radon tests reported to CDC (2008 to 2017, laboratory) were at or above 4 pCi/L, 0.3 points above Delaware pooled (16.7%), 1st of 3 Delaware counties with 30 or more tests.
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 New Castle County, where Wilmington lies, the nearest Delaware counties with a CDC figure for 2008 to 2017, laboratory run from 10.4% to 16.9% of tests at or above 4 pCi/L; the closest, Kent County, is 34 miles away at 16.9%.
Cities near Wilmington
Listings come from state licensing registries.
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