1. LawStack
  2. Title 40 - Protection of Environment
  3. Chapter I - ENVIRONMENTAL PROTECTION AGENCY
  4. Subchapter C - AIR PROGRAMS
  5. Part 63 - NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES
  6. Subpart G - National Emission Standards for Organic Hazardous Air Pollutants From the Synthetic Organic Chemical Manufacturing Industry for Process Vents, Storage Vessels, Transfer Operations, and Wastewater
  7. 40 CFR Table 26 to Subpart G of Part 63
40 CFR Table 26 to Subpart G of Part 63
Seal Related Factors for Internal Floating Roof Vessels
June 9, 2020
CFR
Open Table
Seal type KS n
Liquid mounted resilient seal:
Primary seal only 3.0 0
With rim-mounted secondary seala 1.6 0
Vapor mounted resilient seal:
Primary seal only 6.7 0
With rim-mounted secondary seala 2.5 0

aIf vessel-specific information is not available about the secondary seal, assume only a primary seal is present.

Previous
Table 25 to Subpart G of Part 63 Effective Column Diameter (Fc)
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Table 27 to Subpart G of Part 63 Summary of Internal Floating Deck Fitting Loss Factors (KF) and Typical Number of Fittings (NF)

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