Radon Testing in Berks County, PA

Radon testing in Berks County splits into three flavors: short-term canister tests for routine screening, long-term alpha-track tests when a 90-day picture is needed, and continuous radon monitors (CRMs) when a real-estate inspection contingency is on the clock.

Short-term testing (48–96 hours)

A sealed canister sits in the lowest livable level — typically a finished basement or first-floor utility room — for two to four days under closed-house conditions. After pickup, the canister goes to a lab for analysis. Reports land within one business day with a single average reading in pCi/L.

Short-term tests are the baseline screening tool used by every radon professional. They do not capture seasonal swings; a single 48-hour test in July reads differently from one in February. For a routine home check, a winter-window short-term test is the most representative.

Long-term testing (90+ days)

An alpha-track detector hangs in the lowest livable level for three months to a year. The reading is the time-weighted average over the deployment window, smoothing out the short-term swings that can spook a homeowner with a single high or low reading. Long-term tests are the gold standard for lifetime exposure estimation.

Continuous radon monitor (CRM) testing

Electronic CRMs sample radon hourly and produce a graph of concentration over time. CRMs are anti-tampering compliant for real-estate transactions and expose any closed-house violations — propped basement doors, weather-driven pressure swings, HVAC mode changes — that would otherwise be invisible in a single canister average.

What gets reported

• Average concentration in pCi/L over the test window.
• For CRMs: hourly graph plus closed-house violations flagged.
• EPA action level reference (4.0 pCi/L) and recommendation.
• Chain-of-custody documentation for real-estate use.

When to test

Every Berks County home, every five years, plus after any major work that changes the foundation envelope (slab repair, basement finishing, sump installation). Pre-listing tests prevent surprises during a buyer's inspection. Pre-purchase tests should be a standard part of the inspection contingency in Berks — radon is not optional in this geology.

Or call (610) 510-8108 to schedule directly.