Joe Foutz March 27, 2012 – Hickory, NC Division of Air Quality March 29, 2012 – Raleigh, NC Mooresville Regional Office

While investigating the De-Delegation of Subpart 4Z, DAQ has :  Inserted “Place Holder” Language in the Air Permit for Area Sources  NC DAQ continues to incorporate NSPS IIII and JJJJ into Air Permits and ensure facility compliance.  During site visits, NC DAQ Inspectors should be identifying RICE sources  NC DAQ continues to stay up-to-date on EPA activities on Subpart 4Z.

Good News: NC DAQ accepted authority to ensure compliance with Subpart 4Z Bad News: NC DAQ accepted authority to ensure compliance with Subpart 4Z

1) Survey Forms

2)Administrative Permit Amendment for Non-TV  300 HP < Existing Non-Emergency CI < 500 HP  Existing Non-Emergency CI > 500 HP 3)CI and SI Engines at TV  Informational Letter / DAQ Website 4)Engines with Work Practice Requirements  Area Source : Emergency and CI and SI < 300 HP  Major Source : Emergency and CI and SI < 100 HP

Existing Non-Emergency CI > 300 HP at Area Sources  Submit Protocol  DAQ will be developing a sample  DAQ Observation  Facility Required to Notify DAQ prior to Test  DAQ not required to attend the test  Submit Results

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