Riga, Latvia (EURDEP, 6 months) + wondering about Halden, Norway

Adding to the observations of the past 10 days.  Apparent ‘fallout patterns’ can be seen on selected monitors in Europe.  Another example from checking EURDEP (via their disclaimer @ http://eurdepweb.jrc.ec.europa.eu/EurdepMap/Disclaimer.aspx ) on March 31, 2017:

  • Riga, Latvia @ Rupniecibas Street, past 2 days, and then, further down, past 6 months (different y-axis to show highest values):


If you’re among the quick to dismiss an apparent radioactive cloud touching ground level and measuring “merely” up to some +0.4 µSv/hr, as ‘insignificant’ (dose-wise, that is. See also Nov. 24, 2013‘s “The Dose Deception – Why 0.20 µSv/hr (from fallout) can be far more dangerous than 2.00 µSv/hr (from cosmic rays). The inverse square law for ionizing radiation illustrated.“), I could remind you that when Finnish researchers flew through the thick of the post-Chernobyl cloud in spring 1986, they measured just +0.8 µSv/hr.  But perhaps no one wants to be reminded of that?  How many cover-ups are we dealing with right now?   (If you do want to know more, though, see (Jan. 15, 2015)’s Gaging Recent Radiation Spikes: How do the Recent Gamma Upticks Compare to those Observed after Chernobyl? for some interesting findings.)

Past 6 months at this lovely monitor:


Really “too bad” that Norway’s radioisotope-specific monitor seized sharing data at the end of October 2016, eh?  Wonder what that NO3001 – ØSTERÅS (Norway) monitor would be revealing lately…  Its last data showed an MDC increase of 1 magnitude and then… crickets ever since…  4 months of data silence…  What are they trying to keep under wraps?


Is the Halden accident not under control yet?

Personally, I think they began emergency venting as much as two weeks prior to the major release of Iodine-131 (w/ obviously Cs-137, Na-22, etc. in the cloud too…) of Oct. 24, 2016; and that there’s a chance the situation is not entirely ‘under control’.  What exactly is this “special condition” the core was (or still is?) in…?

-> See (March 3, 2017) @ http://bellona.org/news/nuclear-issues/2017-03-norways-halden-reactor-a-poor-safety-culture-and-a-history-of-near-misses  Annotated EXCERPT:


So… okay, perhaps Halden has nothing to do with this year’s I-131 detections and obvious fallout patterns.

When the fallout pattern appeared in Latvia, it just happened to be perfectly downwind from Halden:


And when the I-131 was detected in central Finland around March 5th, it just happened to be perfectly downwind from Halden, by way of a clockwise loop:


Could be purely coincidence, ’cause, at quick glance, much of the rest appears more correlated with jet stream delivery…

Why did they quit sharing radioisotope-specific data, though?

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