Radon accuracy starts with the basics: blanks and spikes.

Miss this, and your data is flawed from the start.

Page 18 of the Cross-Canada Radon Survey shows how to get it right.

→ Blanks = catch contamination.

→ Spikes = confirm calibration.

→ Both = radon results you can trust.

🔗 https://buff.ly/2g0YjDe

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