3 ms·
And even then it still isn't performed often enough because radon tests take a solid week or more (for the activated-charcoal kind).
by tadfisher 14y ago
And even then it still isn't performed often enough because radon tests take a solid week or more (for the activated-charcoal kind).
- ars 14y agoAnd a good radon test uses film and takes months since the release of the gas is seasonal.