[Code of Federal Regulations] [Title 21, Volume 7] [Revised as of April 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR640.33] [Page 91-92] TITLE 21--FOOD AND DRUGS 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 Secs. 610.40 and 610.45 of this chapter and Sec. 640.5 (a), (b), and (c). (b) Manufacturers of Plasma collected by plasmapheresis shall have [[Page 92]] testing and recordkeeping responsibilities equivalent to those prescribed in Secs. 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]