Encorium (ENCO) 10-Q 2006 Q2 Quarterly 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 Quarterly Report of Covalent Group, Inc. (the “Company”) on Form 10-Q for the period ending June 30, 2006 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Lawrence R. Hoffman, Executive Vice President, General Counsel, Secretary and 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:

(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/ Lawrence R. Hoffman

Lawrence R. Hoffman

Executive Vice President, General Counsel, Secretary and Chief Financial Officer

August 11, 2006

The foregoing certification is being furnished solely pursuant to Section 906 of the Sarbanes – Oxley Act of 2002 (Section 1350 of Chapter 63 of Title 18 of the United States Code) and is not being filed as part of the Report or as a separate disclosure document.