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AC-- The silent killer in a car

Discussion in 'Health Issues' started by Eljaype, Oct 31, 2006.

  1. Eljaype

    Eljaype Bronze IL'ite

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    Hi Ladies,

    Did any of you hear about the way 3 youths were killed while sitting in a car doing nothing ?

    AC which is considered to be a necessity in cars tobe free from pollution ,can also kill.This article is from " THE HINDU", dated 31st, oct. ie today.

    Here is how the possible reconstruction of the Tragedy. The three colleagues decide to head out in the car and find themselves stuck in the logjam of cars stranded in heavy rain and the flooding on G.N.Chetty Road. They decide to wait out the situation with the windows up-- the rain otherwise would get into the car. The AC is running and set on 'recirculate' -- a mode people normally use, to prevent the smellier components of urban air pollution from getting into the car. The engine is running to keep the AC functioing.

    In the meantime water is rising below and around the car. This means that the hot exhaust gas, which normally has a larger volume of air to disperse into, is suddenly crowded up into the undersides of the car floorboards. The system would be more adverse if the car's exhaust system has a leak somewhere and all emissions are not properly exiting the tailpipes as they are meant to. The gases might be building up more heavily than normal under the car and inside the engine bay. And invariably this gas will get into the car through the access holes present in these regions -- the floorboard that drain water from inside a car the innumerable gaps and holes that route wiring cabling and mechanical controlslike the steering coloumn through the engine bulkhead-- the wall that separates the engine bay from the passenger cabin. In the meantime, the AC is steadily recirculating the deadly gases through the cabin of the car-- and a silent ,deadly killer gas-- Carbon monoxide-- goes to work, poisoning the unwary occupants.
    Carbon monoxide is one the gases that is emitted by a car's exhaust system.It is completely imperceptible to the human senses , being odourless, colourless, tasteless. And the poison is doubly deadly , as it gets absorbed into the blood stream quickly-- the haemoglobin has a much greater affinity to this gas than oxygen, forming a strong bond that is devastating in nature.
    It starves organ tissues in the human body of vital oxygen.Symptoms of CO poisoning are the things you'd shake off as the result of a stressful day at work-- headache, dizziness, nausea and fatigue. And then you may decide to sleep it off for a while..........

    To be continued
     
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  2. Eljaype

    Eljaype Bronze IL'ite

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    Ac-- silent killer contd

    Hi Ladies,

    To avoid such an happening , in the future, please follow these rules .

    1. For a start , if you are stuck in the car when the road is flooding, or in a traffic jam, keep your windows down-- atleast a crack.This will let the fresh air in preventing the high buildup of CO in the cabin.

    2. See that your car's AC system is set to ventilate mode, as most car manuals recommend-- this brings in additional fresh air.

    3. Turn the engine off if you can and if the situation looks difficult, explore the possibility of parking your car and retrieving it another day.

    4. If your car is equipped with power windows and central locking -- particularly an aftermarket fitment-- see that your windows are kept open. It is rare , but your car's electrical system can short out with rising flood waters.
    Additionally , even if the central locking system functions, you might not be able to open the doors simply due to the pressure of the water outside.

    5. Carry a hammer with a pointed edge or an icepick in the car-- if you have to break a window open, it's only such a sharp heavy, tool that can attack the modern laminated glass. And if you don't have anyone of these with you, use a jack handle ,if it is accessible.

    6. FINALLY, IF YOU FEEL ANY OF THE SYMPTOMS OF THE CO POISONING OUTLINED IN THIS REPORT , TAKE IT SERIOUSLY -- GETOUT , GET AS MUCH FRESH AIR AS POSSIBLE , AND GO TO A PHYSICIAN.

    Please be careful when travelling in a car. Not only while travelling , many have the habit of locking the children in the car and leave the AC running, till they finish shopping. Please be careful all of you.

    Without our knowledge we lose everything to the deadly Carbon Monoxide.
    Regards
    Latha
     
  3. sudhavnarasimhan

    sudhavnarasimhan Silver IL'ite

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    Thanks, Latha...for this informative piece. I did not know that leaving th ac on for long hours in a car is so dangerous.....will definetely pass this on to people who do leave children in the car with ac on.....what a horrible thing to happen to anyone...it is really a silent killer!

    Thank god , here it is not necessary to keep ac on...it is mostly cold or pleasant and even in summer the people here keep all windows open , and dont use ac like we do in india, since they enjoy the sun and heat which is there only for a short period!
     
  4. Eljaype

    Eljaype Bronze IL'ite

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    Dear Sudha,

    The sorrow is that the three youths who were killed like that, were software engineers.
    Even they didn't guess that the devil lurked inside their car.
    Latha
     
  5. safa

    safa Bronze IL'ite

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    we do this always

    That was a valuable piece of information Latha..
    Due to the long summer season here, we must have to switch on AC always when we were in the car.
    I have sent this mssg to hubby soon when I saw this. Thanks Latha for sharing..
     

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