Annandale owners ask about short-term radon test more than you would think for a town this size.
What usually prompts the call
- A neighbour tested high and you have never tested at all
- A buyer or a lender has asked for a radon test before closing
- A previous test was done years ago and you have since changed the heating or the ventilation
Why this comes up in Annandale
The neighbourhoods and the rural fringe are not on the same supply. A well here draws from the transitional ground between the Highlands and the Newark Basin.
Clinton Township — the state's own numbers
36% of the 5,885 test results NJDEP holds for Clinton Township were at or above the 4.0 pCi/L action level — 2,126 of them. That puts it in Tier 1 — high potential. NJDEP reports Clinton Township together with Clinton Town as one row, so both carry these figures.
An older village centre around the station with extensive later residential development, including a number of large planned neighbourhoods, spreading out from it.
What access looks like here
Subdivision lots with good access; the village core is tighter.
Construction permits go through Clinton Township, and installing radon mitigation for a fee anywhere in New Jersey requires NJDEP certification.
How it's normally done
A short-term test means a sealed-house condition for at least 48 hours with a continuous monitor or a pair of charcoal detectors placed at the lowest lived-in level. The house has to stay closed the whole time, which is the part that most often invalidates a result. In New Jersey the placement and the reading both have to be done by a certified measurement business for the result to count in a real-estate transaction.
Typical cost in Hunterdon County, NJ
$150 – $325 — typical range, not a quote. What your building needs can only be settled by a certified business that measures it on site.
What it costs comes down to the foundation, the number of suction points, and where the pipe can run.
New Jersey requires certification for this
Measurement is certified separately from mitigation. Under N.J.A.C. 7:28-27, testing for radon for a fee in New Jersey requires NJDEP certification as a radon measurement business. A crew certified to install systems is not thereby certified to place and read the detectors. We only route this work to businesses we have checked on the measurement side.
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Also common in Annandale
Other work in Annandale
Same ground, different question.
Short-term radon test nearby
Neighbouring towns on the same ground.