[AndyJackson]

How convenient of them to give measurements in apples and oranges.

The advantage of REM - no mili or micro or nano anything. 1 REM ok, but need to start being careful. 10 REM - that's more than you are allowed in a year; find another line of work. 50 REM - you're sick man. 100 REM - you could die. 500 REM, you're dead.

[null and void]

Yeah, as a human, I care little for the clicks of Roentgen radiation on the Geiger counter, I do care about the Effects on my Man's body!