Pharmanet Development (PDGI) 10-K 2004 FY Annual report

EXHIBIT 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Report of SFBC International, Inc. (the “Company”) on Form 10-K for the fiscal year ended December 31, 2004 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I David Natan, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

      1. The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 and

      2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ David Natan

David Natan

Chief Financial Officer

Date: March 8, 2005

      A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.