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RR126 - A comparison of oxygen decompression tables for use in compressed air work

This study was commissioned to compare a number of tables used for oxygen decompression in compressed air tunnelling work. The means of making the comparisons was mathematical simulations of decompression using a model previously validated for decompression studies. Tables from Brazil, France, Germany, Holland, Switzerland and USA are included together with the UK tables which are the Blackpool Tables using oxygen from 0.6 bar. There are two main conclusions from this study: that the Blackpool Tables are predicted to have a volume of gas carried in bubbles which is within the range of that for the other tables studied.; that the other tables studied could all be considered acceptable for use in UK.

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Updated 2012-02-23