|                                                                                                                                  |                                                                           |                                                                           |                                                                                      |                                                                                      |                                                                                      |                                                                           |                                                                           | Exhibit      12 |
|---------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------|--------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------|--------------------------------------------------------------------------------|-----------------|
| Computation      of Ratio of Earnings to Fixed Charges                                                                                |                                                                           |                                                                           |                                                                                      |                                                                                      |                                                                                      |                                                                           |
| (Dollars      in thousands)                                                                                                           |                                                                           |                                                                           |                                                                                      |                                                                                      |                                                                                      |                                                                           |
|                                                                                                                                  |                                                                           |                                                                           |                                                                                      |                                                                                      |                                                                                      |                                                                           |                                                                           |            |
|                                                                                                                                  |                                                                           |                                                                           |                                                                                      | For      the year ended December 31,                                                      |
|                                                                                                                                  |                                                                           |                                                                           |                                                                                      | 2009                                                                                      | 2008                                                                                      | 2007                                                                           | 2006                                                                           | 2005            |
|                                                                                                                                  |                                                                           |                                                                           |                                                                                      |                                                                                      |                                                                                      |                                                                           |                                                                           |            |
| Continuing      operations earnings before income taxes (1)                                                                           |  $       504,554                       |  $       571,861                       |  $       963,212                                  |  $       883,021                                  |  $       772,486                                  |
| Fixed      charges                                                                                                                    |                                                                           |                                                                           |             96,300            |           108,484                       |             91,607            |             59,347 |             65,537 |
| Earnings      before income taxes and fixed charges                                                                                   |                                                                           |  $       600,854                       |  $       680,345                                  |  $    1,054,819                                                  |  $       942,368                                  |  $       838,023                       |
|                                                                                                                                  |                                                                           |                                                                           |                                                                                      |                                                                                      |                                                                                      |                                                                           |                                                                           |            |
|                                                                                                                                  |                                                                           |                                                                           |                                                                                      |                                                                                      |                                                                                      |                                                                           |                                                                           |            |
| Fixed      charges:                                                                                                                   |                                                                           |                                                                           |                                                                                      |                                                                                      |                                                                                      |                                                                           |                                                                           |
| Interest      expense                                                                                                                 |                                                                           |                                                                           |  $         84,875                       |  $         96,386                       |  $         82,217                       |  $         52,446            |  $         58,414            |
| Portion      of rental expense representative of interest factor (2)                                                                  |             11,425 |             12,098 |               9,390 |               6,901 |               7,123 |
|           Total fixed charges                                                                                     |                                                                           |                                                                           |  $         96,300                       |  $       108,484                                  |  $         91,607                       |  $         59,347            |  $         65,537            |
|                                                                                                                                  |                                                                           |                                                                           |                                                                                      |                                                                                      |                                                                                      |                                                                           |                                                                           |            |
| Ratio      of earnings to fixed charges                                                                                               |                                                                           | 6.2                                                                            | 6.3                                                                                       | 11.5                                                                                      | 15.9                                                                                      | 12.8                                                                           |
|                                                                                                                                  |                                                                           |                                                                           |                                                                                      |                                                                                      |                                                                                      |                                                                           |                                                                           |            |
| (1)      The ratios for 2008-2005 have been adjusted to reflect the discontinued      operations of                                   |                                                                           |                                                                           |
|       First      Health Services Corp. as discussed in Note (D) to the financial statements      of CHC |                                                                           |                                                                           |
|       included      in Item 8, "Financial Statements and Supplementary Data."                           |                                                                           |                                                                           |                                                                                      |
|                                                                                                                                  |                                                                           |                                                                           |                                                                                      |                                                                                      |                                                                                      |                                                                           |                                                                           |            |
| (2)      One-third of net rent expense is the portion deemed representative of the      interest factor.                              |                                                                           |                                                                           |