A Penny Gold software program.Pls Help Me! Message Board

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Gold/Mining/Energy : A Penny Gold software program.Pls Help Me!

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To: Bill Jackson who wrote (43)	1/1/1998 8:20:00 PM
From: E. Charters	Read Replies (1) of 83

After dewatering you have to look out for CO and methane and H2S. After a blast NOx is the gas of choice with CO somewhat less common. Power equipment contribute CO and NOx in that order. Gas engines produce 20 to 100 times the CO as diesels which is why underground is not a good place for them. NOx is the big killer after blasts. But good flow through ventilation is the solution. Suphide mines have episodes and pockets of H2S. It is very insidious. Usually its warning smell is much too late a warning. And it kills the nostrils quickly. A single inhale could be fatal. Gold mines do not have a big H2S problem but it can happen in the more sulphidic ones. echarter@vianet.on.ca The Canadian Mining Newsletter

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