Analysis of Cesium in Japan, indicating sharp uptick in cesium fallout in Fukushima http://takedanet.com/2012/01/post_4e36.html
I used google translate as this site is in Japanese
Independent Radiological Analysis Conducted by South Korean NGO of wallpaper, presumably of wallpaper samples taken in Korea
Links provided by Green Paris and Singularity at Enenews http://enenews.com/acro-homes-significantly-contaminated-tokyo-suburb-results
Environmental Impact of Radiation in Fukushima summary (hat tip Tacomagroove). I don't see the source for this pdf so I'm unsure who created it (source is everything when it comes to Fukushima).