Nucleotidings

Ambient office  =  74 nanosieverts per hour

Ambient outside = 98 nanosieverts per hour

Soil exposed to rain water = 97 nanosieverts per hour

In the apocalyptic event of a nuclear strike on Britain, the government offered householders make-do-and-mend advice on how to create refuge shelters under stairs and tables, and knock up temporary toilets from a chair and bucket. Theguardian.com

Part 2 of 2 Parts (Please read Part 1 first)

Ambient office  =  66 nanosieverts per hour

Ambient outside = 79 nanosieverts per hour

Soil exposed to rain water = 81 nanosieverts per hour