[Code of Federal Regulations] [Title 40, Volume 19] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR129.3] [Page 344] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 129--TOXIC POLLUTANT EFFLUENT STANDARDS--Table of Contents Subpart A--Toxic Pollutant Effluent Standards and Prohibitions Sec. 129.3 Abbreviations. The abbreviations used in this part represent the following terms: lb=pound (or pounds) g=gram [mu] g/l=micrograms per liter (1 one-millionth gram/liter) kg=kilogram(s) kkg=1000 kilogram(s)