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  1. I don't watch this site much any more surprised...

    I don't watch this site much any more surprised to see this thread brought out of the cellar. I am running air samples at the new terminal at JFK airport this week. Was checking out a surgical center...
  2. If a pure TIO2 Catalyst isn't encompassing the...

    If a pure TIO2 Catalyst isn't encompassing the entire airstream you are only oxidizing a small percentage of it. You do the math.
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    Check your PM Box I have equipment at the Kansas...

    Check your PM Box I have equipment at the Kansas City Zoo and the New Humane Society in Topeka in your area. We also have equipment at the Lackland AFB MP Canine Training Facility which is the...
  4. Over 2 million dehumidifiers recalled for fire risk

    Dehumidifiers have been linked to 46 fires, no injuries

    More than 2 million dehumidifiers are being recalled because they can overheat, smoke and catch fire.

    The Consumer Product Safety...
  5. They all work out of the box. You have to be...

    They all work out of the box. You have to be religious on you maintenance or an EAC system can do more harm than good to your HVAC system. Personally I would prefer a 4 to 6 inch Merv 13 to 16 filter...
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    Might check your math Teddy. At 500fpm that's...

    Might check your math Teddy. At 500fpm that's quite a distance down the duct. Just saying :.02:
  7. http://stratics.com/community/data/images/smilies/...

    http://stratics.com/community/data/images/smilies/popcorn.gif
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    If you have a lamp that is producing a light wave...

    If you have a lamp that is producing a light wave below 254nm you would have ozone. Most of the lamps are in the 80% range on UVC the other 20% is above 254nm to produce the blue light so you can see...
  9. Thread: IAQ Monitors

    by genesis
    Replies
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    486

    Tom what you should be looking at is Aircuity....

    Tom what you should be looking at is Aircuity. They have portable and permanently installed systems. Unfortunately I have never seen a sensor yet that didn't have to be calibrated over some schedule...
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    Aircuity has the Optima 500 which is portable....

    Aircuity has the Optima 500 which is portable. Check out some of the groups on Linked In
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    Spark, the Airadvice is a good option for an HVAC...

    Spark, the Airadvice is a good option for an HVAC shop the only other viable data logger out there is the Aircuity which is what we use, the also do spore trap sampling. There are many annual...
  12. Thread: IAQ Certs

    by genesis
    Replies
    6
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    556

    Check IAQA

    Check IAQA
  13. Replies
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    701

    I hate to be the one to tell you. If you are...

    I hate to be the one to tell you. If you are laying in a surgery room all opened up. And it takes 30 to 6o minutes to oxidize MRSA, TB or C Di,f you will probably be already infected. The HVAC system...
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    You need to pressurize your apartment so the VOCs...

    You need to pressurize your apartment so the VOCs don't infiltrate your space.
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    Gentlemen UVGI lamps are an excellent selection...

    Gentlemen UVGI lamps are an excellent selection for surface irradiation. But a bad selection for IAQ. Their simply isn't enough time to deactivate a biologic moving at 500 fpm. If installed correctly...
  16. Here is an updated link. I started this post a...

    Here is an updated link. I started this post a while back.
    https://www.jstage.jst.go.jp/article/jts/35/6/35_6_929/_pdf
  17. Might ought to re think your stance.

    Bi Polar Ionization produces ions which in turn produces airborne hydroxyl radicals. These radicals attack the DNA of the contaminate. What makes you believe that they can tell the differance between...
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    I did one many moons ago and dropped a return in...

    I did one many moons ago and dropped a return in the space with a merv 13 filter I think I was running about 500cfm. For whats its worth its been operating like that for over 12 years with no issues.
  19. Thread: UV Lights

    by genesis
    Replies
    66
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    33,947

    Irascible, well said. At 500 fpm the air is...

    Irascible, well said. At 500 fpm the air is moving 8.3 feet per second. I don't even believe a lite tan was in order. I would like to know where the 5800 micro watts seconds/cm squared came from....
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    I was at Trane's factory in Clarksville last...

    I was at Trane's factory in Clarksville last week. I watched them make a microchannel coil. They will be the norm in the next 5 years.
  21. The one percent can cost you more money in...

    The one percent can cost you more money in litigation that all the profits put together from the other 99%
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    You guys need to stock this on your trucks....

    You guys need to stock this on your trucks. http://durafix.com/
    I repaired two ice pick holes in a fridge last week with it. Repaired my boat prop with some and brazed a transmission bell housing...
  23. In most case in residential work I would agree...

    In most case in residential work I would agree with you. But there is a whole different world out their in commercial and industrial. Their is a big demand for gas phase filtration for VOC and...
  24. Many differences, but be aware that there are...

    Many differences, but be aware that there are many different PCO applications on the market also. Some create the radicals at the surface of the catalyst that stay within the system. And there are...
  25. Research the term Reactive Oxygen Species (ROS)...

    Research the term Reactive Oxygen Species (ROS) lung damage.
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