Exhibit 10.6 SFBC INTERNATIONAL, INC. 11190 Biscayne Boulevard Miami, Florida 33181 Lisa Krinsky, M.D. Mr. Arnold Hantman SFBC International, Inc. 11190 Biscayne Boulevard Miami, Florida 33181 Re: SFBC/Krinsky SFBC/Hantman Dear Lisa and Arnold: This...

                                                                    Exhibit 10.6

                           SFBC INTERNATIONAL, INC.
                           00000 Xxxxxxxx Xxxxxxxxx
                             Xxxxx, Xxxxxxx  00000



Xxxx Xxxxxxx, M.D.
Xx. Xxxxxx Xxxxxxx
SFBC International, Inc.
00000 Xxxxxxxx Xxxxxxxxx
Xxxxx, Xxxxxxx  00000

     Re:  SFBC/Xxxxxxx
          SFBC/Xxxxxxx

Dear Xxxx and Xxxxxx:

     This letter serves to waive the bonuses to which you are each entitled for
the year ended December 31, 2001 effective as of December 31, 2001. Please
execute a copy of this letter signifying your agreement to its terms.

                                             Sincerely yours,


                                             /s/ Xx. Xxxxxxx X. Xxxxxx
                                             -------------------------
                                             Xx. Xxxxxxx X. Xxxxxx
                                             Executive Vice President

WE XXXXXX AGREE TO THE
TERMS OF THIS LETTER:


/s/ Xxxx Xxxxxxx, M.D.
---------------------
Xxxx Xxxxxxx, M.D.

/s/ Xxxxxx Xxxxxxx
---------------------
Xxxxxx Xxxxxxx