A shame indeed. This doesn’t mean the Fukushima disaster could not have any consequences whatsoever for California (or other places). This is a matter for research to establish. People might want to read this one for example : Elevated airborne beta levels in Pacific/West Coast US States and trends in hypothyroidism among newborns after the Fukushima nuclear meltdown (Open Journal of Pediatrics).
By the way I am a little troubled by a sort of pattern I observe here on boingboing, namely that when dealing with science and the health or environmental effects of radiations, the stories are (almost ?) always about debunking real or imagined extremely inflated claims. But never about debunking extremely deflated claims and outgright official lies (they do exist) about the effects of radiations originating from the nuclear industry. I understand this might be an editorial choice, but I do find this a bit odd and troubling. And I must say I would love to read something here about serious research on these matters. Cheers.
EDIT:
Also, I am against the use of radioelements for the production of weapons and steam ( I have nothing against reasonable use of radioactive elements in the medical sector). But that doesn’t mean I am “anti-science”. Just like mine being against the use of DDT and other persistent organic pollutants doesn’t mean I am “anti-sience’”.