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Originally Posted by fireman328
Has anyone considered what the effects of dry ice and smoke machines in places of public entertainment are ?
As far as I am aware the dry ice, CO2 is an asphixiant and the smoke effects are generated by heating vegetable oil.
Will the owners have to go outdoors to use these effects which are very common, particularly at this time of year, with pantomimes attracting children or will some non-smoker decide that this effect is perfectly safe for all to inhale on this occasion. Will a risk assessment be carried out on the effect to patrons and theatre staff of inhaling this smoke. What will be the effect on live theatre if someone sues a club or theatre for not safeguarding their health and safety by allowing them to inhale smoke ?
Oh, I forgot, the witch hunt is only against tobacco smoke.
How many of the non smokers will still attend pantos and discos.
I feel it slightly ironic that all the tobacco smokers will be outside the building in the fresh air whilst all the non smokers will be indoors in the smoke.
It has finally happened, the lunatics are running the asylum.
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I depends how you define dangerous. As CO2 is heavier than air then it will sink to the floor so would be more dangerous if you were lying on it. The issue with CO2 is that it binds much more easily than O2 to Haemoglobin and will interfere with your abilty to transport oxygen around the body. The normal concentration of CO2 in the air is around 0.38% and if it gets much beyond 0.5% will start to interfere with your O2 transport. As far as I am aware the dry ice I have seen is only used in short bursts which will be harmless providing there is adequate ventilation. There presumably is some regulation around its use in public places?