40 CFR Appendix Table 24 to Subpart G of Part 63, Typical Number of Columns as a Function of Tank Diameter for Internal Floating Roof Tanks With Column Supported Fixed Roofs a

Table 24 to Subpart G of Part 63 - Typical Number of Columns as a Function of Tank Diameter for Internal Floating Roof Tanks With Column Supported Fixed Roofs a
Tank diameter range (D in feet) Typical number of columns, (NC)
0 <D ≤85 1
85 <D ≤100 6
100 <D ≤120 7
120 <D ≤135 8
135 <D ≤150 9
150 <D ≤170 16
170 <D ≤190 19
190 <D ≤220 22
220 <D ≤235 31
235 <D ≤270 37
270 <D ≤275 43
275 <D ≤290 49
290 <D ≤330 61
330 <D ≤360 71
360 <D ≤400 81

a Data in this table should not supersede information on actual tanks.

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.


United States Code

Title 40 published on 10-May-2017 04:28

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR Part 63 after this date.

  • 2017-05-11; vol. 82 # 90 - Thursday, May 11, 2017
    1. 82 FR 21927 - Delegation of New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants for the States of Arizona and Nevada
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Direct final rule.
      This rule is effective on July 10, 2017 without further notice, unless EPA receives adverse comments by June 12, 2017. If we receive such comments, we will publish a timely withdrawal in the Federal Register to notify the public that this direct final rule will not take effect.
      40 CFR Parts 60, 61 and 63

Pages