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P a ge  | 33



                                Weather                                               Maximum Distance (m)

                                                                      495 ppm                                          4827 ppm
                                 1 m/s
                                Class F                             50% Fatality                                     100% Fatality
                                                                        32.26                                             4.81
   409   410   411   412   413   414   415   416   417   418   419