[Code of Federal Regulations] [Title 13, Volume 1] [Revised as of January 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 13CFR121.511] [Page 342] TITLE 13--BUSINESS CREDIT AND ASSISTANCE CHAPTER I--SMALL BUSINESS ADMINISTRATION PART 121_SMALL BUSINESS SIZE REGULATIONS--Table of Contents Subpart A_Size Eligibility Provisions and Standards Sec. 121.511 What is the size standard for buying Government-owned petroleum? A concern is small for this purpose if it is primarily engaged in petroleum refining and meets the size standard for a petroleum refining business.