Cornish uranium workings are discussed in connection with the region's tin-mining areas. Wheal Edward is one named local example, while a possible Isle of Man site is recalled without certainty. Radon gas also affects construction in the area. The account describes sumps beneath new extensions that provide a space for gas to collect and escape outside, with the aim of keeping it from entering the buildings.
Notable Point ยท 1:57:18-1:59:13
Cornish uranium workings and radon protection
A brief aside links uranium occurrences near Cornwall's historic tin-mining areas with radon sumps beneath new local construction.