[Horse]

Agree Vital1, finding hot particles, 'very upsetting'.  Some hot particles may still be lost in the averages of your measurements with no one there to notice a spike.  If a hot particle is floating around in the air it is only chance that the detector noticed it before someone inhaled it.  And though it hasn't been quantified, the risk in the Northern Hemisphere is much higher.  Hot particles are at the center of the debate over the safety of nuclear contamination.  

Paul Langley’s Nuclear History Blog
A Historical Description of the Hot Particle Deception
https://nuclearhistory.wordpress.com/201...deception/

Quote:The risk posed by such hot particles is indeterminate yet foreseeable.  A given group of people in the same environment will be exposed to the same external dose. Those who happen internalise more hot particles will be at higher risk than those who internalise none or less of the hot particles.

Quote:In any event, the ICRP regime is based upon external measurement. And that according to Pollanen, quoted above and many others, is a totally inaccurate view of the hazards.

External dose may be uniform for a group of people in the same place. But intake and retention of hot particles which become internal emitters is not going to be uniform. It depends upon chance and, in the case of inhalation, the state of the individual’s ability to clear material from the lungs. It will widely vary.
(I am not covering contaminated food here, but even this route is variable.)

Entry of hot particles via skin injuries is probably important in Japan in the context of recovery and rebuilding work post the Great Disaster.

Watching that recovery and rebuilding work, it's the weekend in Daichi, not much movement on the tepcam recording monitors.  It snowed Saturday evening and clouded the view but it's clearing up leaving the look of some emissions still on cam1.  I still see the occasional blinking spark but not at the rate that I saw around the night of the cam4 sparks.  What to make of the radiation detections that are made?  Paul Langley's article on hot particles was a good read.  Vital1's not safe in the Southern Hemisphere from nuclear fallout.  MVB detects anomalies.  Will the Great Disaster, Fukushima Daiichi be the last nuclear mishap the public will know anything about?  Watch out for that fallout it could be a killer.

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(02-17-2018, 06:13 AM)piajensen Wrote: It certainly wouldn't be the first time the winds from up north made their way into the southern hemisphere. I recall a few years back there was a significant shift in the streams and do believe vital1 captured that data then as well.

Horse, I wouldn't say the history of radiation readings is sparse - because there is significant data captured by CTBTO's global network.They just make it very difficult for people to get their hands on that data, and when 'approved' people do get the data, they are restricted in how they can use and publish it.

Public knowledge is sparse. I was never approved.

The data is not readily available and the public is woefully uninformed of anything nuclear. The nuclear priesthood chants 'Its safe' but they know it isn't.

[Horse]

02-17 22:22 Since I was still up and watching I noticed cam1 went dark.  I caught a system restart and the zoom back into our limited little view.  Notice that bright light on the right.  





   
   
   
   

[piajensen]

That's a powerful light! Thanks for capturing the moments before the zoom in. Wondering about the fuzzy air on the right... possible emissions? The weather has been 6 degrees celsius last couple days and -4 tonight at Fukushima, https://www.accuweather.com/en/jp/fukush...her/223551. Any heat would show as fuzzy air. High humidity, scattered snow in forecast, https://weather.com/weather/tenday/l/JAXX0010:1:JA.

Looking at that first screenshot with the zoom out, thinking the fuzzy air is an artifact of the light reflecting on particulate matter in the air. No telling what the particulate matter is besides probable humidity and maybe emissions.

[Horse]

I think you're right, the fuzzy air is reflecting the BIG bright light.  On cam4 when the emissions started, I saw bright light on the corner of the r4 extension now covered by the green crane.  I can't tell even in the zoom out if the light is on the r4 extension or if it was just reflecting light from maybe the csfp area.  The light seems much brighter than work lights aimed at the camera.  I'll still call them emissions when I see high spark rates and clusters like I did.  I'm still thinking the bright light is from burning gases and may get brighter when there's more gas to burn.  Would like to catch more of these system restarts, now I know to look for them when the color filter goes away.

[piajensen]

I agree. It's too difficult to discern just on observations.. though- there seems to be a heat signature. Where's the CTBTO when you need them?! I'm going to forever harangue them until global data sees freedom... no way anyone can understand the complexity of nuclear without raw data.

[Horse]

02-19 Without the raw data the nuclear 'priesthood' prevents any real science and the public gets a religion instead.  Believe us when we say 'It's safe', only we can interpret the data for the public.  That's why I think sharing the work of Vital1, MVB, and many other not approved researchers is so important to any understanding of the complexity of nuclear.  Its not even that complex; nuclear material is not safe, and in fact, presents a risk to public health.  

Media reports de-romanticize the cleanup work on the Fukushima nuclear power plant
https://www.japantimes.co.jp/news/2018/0...or0QWeoscA

Quote:Recently, Tokyo Electric Power Company Holdings Inc. (Tepco), which is both responsible for the accident and in charge of the cleanup, announced a reduction in outlay associated with the hazard compensation, which is paid as a supplement to wages. This compensation can add as much as ¥20,000 a day to a worker’s pay, but now that Tepco says radiation levels have dropped, they will no longer provide the compensation, or, at least, not as much as they have been paying.

A special report in the Jan. 22 Tokyo Shimbun ⤢attempted to explain how this change will affect workers and the work itself. In March 2016, Tepco divided the work area into three zones: red, for high radiation levels; yellow, for some radioactivity; and green, for areas that had no appreciable radioactivity. Workers interviewed by Tokyo Shimbun say they’ve never liked this system because they feel it “has no meaning.” Rubble from the red zone is routinely transferred to the green zone, where heavy machinery kicks up a lot of dust, so there’s no physical delineation between zones when it comes to radiation levels. On the ground, this reality is addressed by subcontractors who make their employees in the green zone — which constitutes 95 percent of the work site — wear extra protective gear, even though Tepco doesn’t require it.

But the workers’ main gripe about the zone system is that most of them ended up being paid less and, as on-site workers have often explained

Look at our carefully selected Gamma readings and just ignore those hot particles in the dust.  The work week started and some workers are out there tearing down that green crane.  

   
   

The crane out of the way, the light on the r4 extension looks to be just reflected light from that BIG bright light so its probably located in the CSFP area.  Cam1 is still blinking regularly with sparks.  Since I've seen many decreases and increases of spark rates on both tepcams, I'd agree with the workers that green, yellow, and red zones at the work site are rather arbitrary.

[Horse]

Catching the black and white unzoomed cam1 shot that began with a black screen and then a camera system restart was a nice fluke.  I did a search on CRL for ‘black and white’ and found two other instances we had documented back in Dec 2016.  In both cases the camera feed had stalled or stopped and after restarting the browser, the view was already black and white.  It may be hard to catch these camera system restarts in action.  The black and white screen may not last long before the color filter is applied so please report any black and white screens you might notice.  

A word on the BIG bright light.

AnonymousFebruary 19, 2018 at 1:11 PM
Really interesting catch Horse. Have you seen that light before?

HorseFebruary 19, 2018 at 5:05 PM
Yes, in the early days when the zoom was less, bright light in that area. It is brighter than other work lights I've seen directed at the cams. TBS-JNN used to show very bright lights like that.

Last of the TBS-JNN captures
http://caferadlab.com/thread-1527-post-2...ml#pid2875

02-20   Last night while I was watching I noted a cam4 spark.  I wasn’t too sure when I watched it blink but it was there in the recording, a small one.  No other spark, burst, or clusters in the hour and a half I looked.  Cam4 sparks are generally not as frequent as cam1 sparks.  Cam1 showed regular sparking but I haven’t counted.  Saw workers again this morning on the green railed platform but the rest of the green crane wasn’t visible.  Cam1 showed the remote crane tool with the slanted rod on the bottom hanging over r1.  There was a remote crane tool working over R2.  

02-20 031251 c4 spark
   

[Horse]

02-21  The last ring segment was installed to the roof covering on r3.  With the roof cover completed the spent fuel recovery can begin.  Small debris in the pool needs to be removed.  I haven't seen any assessment of how many assemblies might have been damaged by the debris and crane parts that fell into that pool.  Spent fuel recovery is expected to take two years. It hasn’t been made clear how the Common Spent Fuel Pool will have room for Unit 3's spent fuel.  I'd read about some dry casking being done.  Challenges remain.  

   
   
   
   

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02-21  Workers removed two more assemblies of the green crane in front of cam4.  

   
   
   
   

[Horse]

02-26  01:29 jst Saw shaking on cam4 like another big EQ.  

M 5.5 - 66km ENE of Namie, Japan
Time2018-02-25 16:28:40 (UTC)Location37.605°N 141.739°EDepth41.3 km

There was a 4.6 in Namie on 02-24 that barely shook cam4, hardly a noticeable difference between the EQ shake and wind shake.  
This latest 5.5 was a noticeable jerking.

https://vimeo.com/257376973




I hope the night shift didn't spill their coffee. That had to stir up some of the debris in the spent fuel pools.

They upgraded the quake at USGS to a M5.6

M 5.6 - 66km E of Namie, Japan
Time2018-02-25 16:28:39 (UTC)Location37.591°N 141.746°EDepth30.8 km