Re: Mars Surface Environment Managable Radiation Risk
I don't think the Mars Environmental Compatibility Assessment (MECA) Project would give you information about radiation directly. Still MECA should fly next time (2007?) as it is an important piece in the puzzle of manned exploration of Mars.
Dust whether radiated or not is dangerous. On Mars we will need special filtering and the use of means of removal and control unexplored by us as yet.
Did you read other reports on the radiation risk...like: Space.com's: Mars Odyssey Shows Extreme, But Managable Radiation Risk for Astronauts
--Chris Vancil