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City of Omaha - Nebraska

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40 CFR 63 Subpart XXXXXX (Nine Subpart 6X) covers nine metal fabrication and finishing categories with the potential to emit metal HAPs:

  • Electric & Electronic Finishing
  • Fabricated Metal Products
  • Fabricated Plate Work (Boiler Shops)
  • Fabricated Structural Metal
  • Heating Equipment (except electric)
  • Industrial Machinery & Equipment
  • Iron & Steel Forging
  • Valves & Pipe Fittings

Requirements for this rule vary depending on which category or categories a facility’s operations fall into.  Please see the EPA published flowchart below to determine which requirements your facility must meet.  

Initial Notification Dates

Source ClassificationInitial Notification Date
Existing Source (Constructed before 4/3/08) July 25, 2011
New Source (Constructed on or after 4/3/08) July 23, 2008 or upon startup


Compliance Dates

 

Source ClassificationCompliance Date
Existing Source (Constructed before 4/3/08) July 25, 2011
New Source (Constructed on or after 4/3/08) July 23, 2008 or upon startup



Notification of Compliance

Source ClassificationCompliance Notification Date
Existing Source (Constructed before 4/3/08) November 22, 2011
New Source (Constructed on or after 4/3/08) July 23, 2008 or 120 days after startup


OAQC Subpart 6X Initial Notification form alt

OAQC Subpart 6X Notification of Compliance form alt

OAQC Subpart 6X Annual Notification of Compliance alt

*If you have trouble reading or accessing these forms, please contact OAQC at 402-444-6015. 

Resources:

EPA published 6X flowchart pdf symbol
EPA published brochure for 6X sources
pdf symbol
EPA’s Area Source rule page

e-CFR for Subpart XXXXXX

NDEQ Air Toxics page for 6X


*The City of Omaha cannot guarantee the accuracy or accessibility of any document published by outside agencies.*