
Short-term kit![]()
RA400 short-term liquid scintillation radon test kit, lab fee included
- Lab fee included
Method: Liquid scintillation
In home: 48 to 96 hours
Locations and reports
EPA has no radon zone on file for St. Thomas Island, and the only way to know your home's level is to test it.
Tests reported
0
None published
A home here needs its own test
Read a result for St. Thomas Island
EPA’s own thresholds; the figures are the area’s, never this home’s.
EPA’s reading of 4.0 pCi/L
At or above 4 pCi/L
This result is at or above 4 pCi/L. EPA recommends fixing a home when the radon level is 4 pCi/L or higher.
The data
St. Thomas Island, At a glance
Predicted: EPA radon zone
Radon411 has no EPA radon zone on file for St. Thomas Island, U.S. Virgin Islands, and it does not guess one.
A prediction for the whole county, not a measurement of any address: elevated homes occur in all three zones.
Predicted: no EPA zone on file yet
Measured: tests reported to CDC
CDC has published no radon test figures for St. Thomas Island. Only a test tells you the level in a home.
St. Thomas Island, Compared
St. Thomas Island is in a state CDC's county radon counts do not reach: no U.S. Virgin Islands county has a figure, while 2,669 counties elsewhere do over the 2006 to 2015 laboratory totals. Across every county in the country with a figure (2,669), 36.3% of reported tests reached that level; no U.S. Virgin Islands county contributes to that pool.
Pooled shares: Radon411's sum of CDC's county counts for one period.
Local help
St. Thomas Island, Local resources
What it means
St. Thomas Island, Questions
No CDC testing statistics are published here for St. Thomas Island, U.S. Virgin Islands yet. No county within 250 miles of St. Thomas Island has a CDC figure, so the only comparison is the national pool: 36.3% of reported tests at or above 4 pCi/L.
St. Thomas Island borders 1 county equivalent: St. John Island.
Products
St. Thomas Island, Products
No CDC figure names St. Thomas Island, and none within 250 miles of it: a test of this home is the only reading it will get. A short-term kit (2 to 90 days) is the quick first check for a home in St. Thomas Island; a long-term test tells the year-round average.
Test kits and monitors: 1 of 3
Explore
St. Thomas Island, Bordering county equivalents
county equivalents bordering St. Thomas Island: 1 of 1
St. Thomas Island, Cities and towns
Charlotte Amalie is the one incorporated place here; CDC publishes no figure by town, so it reads St. Thomas Island's.
One incorporated place, as listed in the U.S. Census Bureau’s 2020 place reference files.