[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: 21CFR640.33] [Page 98] 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 D_Plasma Sec. 640.33 Testing the blood. (a) Blood from which plasma is separated shall be tested as prescribed in Sec. 610.40 of this chapter and Sec. 640.5 (a), (b), and (c). (b) Manufacturers of Plasma collected by plasmapheresis shall have testing and recordkeeping responsibilities equivalent to those prescribed in Sec. Sec. 640.71 and 640.72. [42 FR 59878, Nov. 22, 1977, as amended at 44 FR 17658, Mar. 23, 1979; 50 FR 4139, Jan. 29, 1985; 53 FR 117, Jan. 5, 1988; 66 FR 31165, June 11, 2001]