Japan Earthquake | Page 1018

  • @bo : ah, sorry no, i have no knowlwdge about that.
    by Edano 5/7/2011 11:59:31 AM

  • @bo

    The specification usually used in the European Union is the European Norm EN 1822:2009. It defines several classes of HEPA filters by their retention at MPPS:
    HEPA class retention (total) retention (local)
    E10 > 85 % ---
    E11 > 95 % ---
    E12 > 99.5 % ---
    H13 > 99.95 % > 99.75 %
    H14 > 99.995 % > 99.975 %
    U15 > 99.9995 % > 99.9975 %
    U16 > 99.99995 % > 99.99975 %
    U17 > 99.999995 % > 99.9999 %
    by Rob in SF 5/7/2011 11:59:41 AM

  • @bo the procedures I was speaking of below were quite expensive and I would guess have become quite complacent now... no need to reinvent the wheel, just revamp the one out there to fit the NPP...
    by fitter 5/7/2011 12:00:24 PM

  • @Edano no worries. Thanks. @Rob in SF, great data. Thanks. Do you know anything about the negative vs. positive pressure issue?
    by bo 5/7/2011 12:00:32 PM

  • @bo "negative vs. positive pressure issue?" Nope, but it's easy to guess...
    by Rob in SF 5/7/2011 12:01:22 PM

  • @Edano I asked bo to talk to you about the issue of drawing negitve pressure in and possibly more contaimination with air filtering equipment....
    by fitter 5/7/2011 12:02:02 PM

  • @fitter I was in the US at the time of 9/11, and in my kids school I can't image they were prepared for a chemical attack. But then again, the more real threat was a shooter. My kids drilled repeatedly for that, and that is what I feared for when they left in the morning.
    by bo 5/7/2011 12:02:11 PM

  • @angie doing fine love washdays here great family activity
    by elainekirk 5/7/2011 12:02:49 PM

  • @Edano @bo the schools were required to "have a air lock" so people could come and go
    by fitter 5/7/2011 12:02:56 PM

  • @all I cannot tell you how grateful I am for all of your advice and concern. It is really heart warming.
    by bo 5/7/2011 12:02:59 PM

  • @bo were you in the DC area
    by fitter 5/7/2011 12:03:18 PM

  • @fitter, no in the bay area.
    by bo 5/7/2011 12:03:44 PM

  • Much less under threat for sure.
    by bo 5/7/2011 12:03:55 PM

  • The original HEPA filter was designed in the 1940s and was used in the Manhattan Project to prevent the spread of airborne radioactive contaminants. en.wikipedia.org
    by Rob in SF 5/7/2011 12:04:24 PM

  • Fascinating.
    by bo 5/7/2011 12:05:17 PM

  • @bo he was in this area... I was at lowes and the guy asked me if I wanted him to take the stuff to the car... I said no, just then a sales person walked up and said that he shot a person in ashland... heading to the norfolk area, were the first populated exit of the interstate and I was a a store at the exit.... I had him take the stuff out three targets gives you a better chance it wount be you ..... that was a terrible time
    by fitter 5/7/2011 12:06:58 PM

  • by Rob in SF via Upload.wikimedia.org 5/7/2011 12:07:11 PM

  • @bo what base
    by fitter 5/7/2011 12:07:21 PM

  • @fitter I remember it well. It was horrifying. I was referring to school shooters. Having kids in high school in the 90s and 00s was very stressful because of all the school shootings. I can't imagine being in the DC area, and having kids around town, during that time.
    by bo 5/7/2011 12:09:06 PM

  • @fitter, base? In the bay area? I am actually not military. @Rob in SF, thanks for the info on the filters
    by bo 5/7/2011 12:09:47 PM

  • @bo Having a good air filter system in japan would be like living here.... you must have a generater...
    by fitter 5/7/2011 12:09:47 PM

  • @ bo that bay!!!! not the chesapeake by
    by fitter 5/7/2011 12:10:17 PM

  • @fitter, of course. Oy. Hey all, dinner time here, increasingly an act of faith. Back in a bit.
    by bo 5/7/2011 12:11:13 PM

  • @bo My son goes to Virginia Tech, Engineering I don't know if you ever heard the "killings" they had 32 killed
    by fitter 5/7/2011 12:11:29 PM

  • @fitter good lord. of course I heard. You must have been terrified
    by bo 5/7/2011 12:12:18 PM

  • @bo that was the year he was appling... but they have had some newer ones that were on one person... a student decappetaed an other student at the "night coffe shop at the grad house... that s were he woould go at night... got 20 phone calls in 10 mins froom other partent the campus was in lock down, finaly got him on his cell .... said they were going ther to "check it out""" 18 year olds..
    by fitter 5/7/2011 12:15:22 PM

  • Oy
    by bo 5/7/2011 12:16:01 PM

  • morning all!
    by Nancy 5/7/2011 12:16:27 PM

  • good morning @Nancy
    by bo 5/7/2011 12:16:54 PM

  • @nancy greetings :)
    by elainekirk 5/7/2011 12:16:56 PM

  • @Nancy gmoring
    by fitter 5/7/2011 12:17:13 PM

  • anything new in the last 8 hours?
    by Nancy 5/7/2011 12:17:19 PM

  • @bo HEPA (High Efficiency Particlate Air filters) remove 99.97% of particles the size of typical radioactive airborne particles. The activated carbon filter is capable of filtering out gasses.
    This one looks good www.amazon.com depending on the size of your living space.

    The Negative and Positive pressure aspect really only comes into effect if you are ventilating to or from the outdoors. An area air filter such as above or www.air-purifiers-america.com won't significantly change inside air pressure.

    You would just close off ventilation and air flow from outside, turn on the air filter, and reuse the indoor air for a while.
    by RBeaner 5/7/2011 12:18:29 PM

  • Yeah nancy they had lights on 4 when it got dark but all now turned off. They also had the red water thingummywhatnot on 4 but it was on the facing side left of centre? is the sfp to the back of right hand side?
    by elainekirk 5/7/2011 12:19:47 PM

  • @RBeaner thanks, thats what i thought but did not want to give bo bad advice
    by fitter 5/7/2011 12:20:05 PM

  • @RBeaner much oblige. I am going to see if I can find one tomorrow. Two actually. Thanks all.
    by bo 5/7/2011 12:20:08 PM

  • @bo check the selflife and manufacture date on the equipt and filter.... don't know about them but weird things like tires even have a shelf life
    by fitter 5/7/2011 12:21:20 PM

  • @fitter will do
    by bo 5/7/2011 12:21:39 PM

  • @endo sorry so long getting back.... Yes they are not going to take a new or 10 year old NPP off line, but they need to make improvmets.. address the SFPs and in the US we need to concentrate on the UP poweres and getting rid of the Mark 1 containments as a min
    by fitter 5/7/2011 12:24:58 PM

  • @endo I also find no comfort in the new technogoy, its only more "unproven" technology untill they find the flaws.... but with that said " we all will be living with them" I think we need to clean up the Mess we have made over the years, before we continue to create more...
    by fitter 5/7/2011 12:27:28 PM

  • @elainekirk that is different. The SFP is on the far right side of the building. The camera views the corner of the building and a bit more of the side. The area of the SFP would be about the last 1/4 of the building to the right.
    by Nancy 5/7/2011 12:33:29 PM

  • @nancy that is what I thought you had said I will find pic and point to where it was
    by elainekirk 5/7/2011 12:34:29 PM

  • I need a computer app that displays the time in JST. I thought it would still be light there right now.
    by Nancy 5/7/2011 12:35:55 PM

  • @Nancy while looking at pics, see if you notice them moving the rigs to different areas of the same general location 1) if the ground is compermised or 2
    by fitter 5/7/2011 12:37:07 PM

  • @Nancy it is 9:38 pm
    by bo 5/7/2011 12:38:53 PM

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