[Code of Federal Regulations] [Title 21, Volume 7] [Revised as of April 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR640.67] [Page 105] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 640_ADDITIONAL STANDARDS FOR HUMAN BLOOD AND BLOOD PRODUCTS --Table of Contents Subpart G_Source Plasma Sec. 640.67 Laboratory tests. Each unit of Source Plasma shall be tested for evidence of infection due to communicable disease agents as required under Sec. 610.40 of this chapter. [66 FR 31165, June 11, 2001]