[Code of Federal Regulations] [Title 27, Volume 1] [Revised as of April 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 27CFR30.24] [Page 739] TITLE 27--ALCOHOL, TOBACCO PRODUCTS AND FIREARMS CHAPTER I--ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE TREASURY PART 30--GAUGING MANUAL--Table of Contents Subpart C--Gauging Instruments Sec. 30.24 Specific gravity hydrometers. (a) The specific gravity hydrometers furnished by proprietors to appropriate ATF officers shall conform to the standard specifications of the American Society for Testing and Materials (ASTM) for such instruments. Such specific gravity hydrometers shall be of a precision grade, standardization temperature 60 deg./60 deg.F., and provided in the following ranges and subdivisions: ------------------------------------------------------------------------ Range Subdivision ------------------------------------------------------------------------ 1.0000 to 1.0500........................................... 0.0005 1.0500 to 1.1000........................................... 0.0005 1.1000 to 1.1500........................................... 0.0005 1.1500 to 1.2000........................................... 0.0005 1.2000 to 1.2500........................................... 0.0005 ------------------------------------------------------------------------ No instrument shall be in error by more than 0.0005 specific gravity. (b) A certificate of accuracy prepared by the instrument manufacturer for the instrument shall be furnished to the appropriate ATF officer. (c) Incorporation by reference. The ``Standard Specification for ASTM Hydrometers,'' (E 100-72 (1978)), published in the ``1980 Annual Book of ASTM Standards'' (STP 25 1062 (1980)), is incorporated by reference in this part. This incorporation by reference was approved by the Director of the Federal Register on March 23, 1981. This publication may be inspected at the Office of Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC, and is available from the American Society for Testing and Materials, 1916 Race Street, Philadelphia, Pennsylvania 19103. (Sec. 201. Pub. L. 85-859, 72 Stat. 1358, as amended (26 U.S.C. 5204); 80 Stat. 383, as amended (5 U.S.C. 552(a))) [T.D. ATF-198, 50 FR 8535, Mar. 1, 1985, as amended by T.D. ATF-381, 61 FR 37004, July 16, 1996]