“Calling 911 is not a rescue plan.” What a great line. I wish I had said that, but actually it is a direct quote from Cal-OSHA. They were talking about the need for immediate response to a worker being suddenly exposed to toxic gases in a confined space and something about too little training being far too late. It has been three years since I wrote an extensive product review (August 2009) about gas dangers in wineries, the required detection equipment and why, as an indust...