| 09/23/2022 | Procedures for Confidential Business Information (CBI) Requests Supersedes memo dated July 30, 2009 EMC Declaratory Ruling for ISP Minerals, Jan. 24, 2007 |
| 10/27/2020 | Legal Basis for Calculation & Reporting Frequency of CEMS/COMS-affected Facilities Supersedes memos dated July 31, 2020 and July 2, 2009 |
| 5/31/2018 | Procedures for Rock Quarry Permitting |
| 8/7/2014 | Requesting Confidential Treatment of Trade Secret Material |
| 10/3/2013 | Permit Expiration Consistency Procedure |
| 10/3/2013 | 502(b)(10) and Minor Permit Modifications at Title V Facilities |
| 9/5/2012 | 112(j)-To-112(d) Timing Letter to International Paper |
| 3/8/2012 | Letter from Lisa Jackson, EPA Administrator re: 112(j)-To-112(d) Timing |
| 7/20/2011 | Final Class I Impact AQRV Analysis Guidance |
| 5/23/2011 | Fact Sheet for NSPS Subpart Dc Boilers |
| 4/24/2011 | GHG PALs Regulatory Reading |
| 1/28/2011 | Governor Signs Executive Order on Greenhouse Gas Tailoring Rule |
| 1/11/2011 | Interim Policy on Reciprocating Internal Combustion Engines Area Source Rule Implementation |
| 1/10/2011 | Activities Exempted from Permitting and Air Toxics Requirements |
| 1/3/2011 | Economic Hardship Guidance For NC Air Toxics |
| 9/29/2010 | Wilmington SO2 NAAQS Modeling Letters |
| 9/29/2010 | Wilmington SO2 NAAQS Modeling Protocol |
| 8/30/2010 | Background Visual Range under PSD |
| 8/27/2010 | Senate Bill 3 Implementation Issues |
| 6/7/2010 | Interim 1-Hr SO2 Modeling Guidance |
| 5/25/2010 | Interim 1-Hr NO2 Modeling Guidance |
| 3/18/2010 | State Senate Bill 3 BACT Policy |
| 6/30/2009 | Review and Recommended Update of DAQ Emission Factors for Human Crematories |
| 2/6/2009 | RACT Flow-Chart for Applicability in a Serious Ozone Non-Attainment Area (.xls) |
| 9/16/2008 | Area Source GACTs and North Carolina Air Toxics |
| 6/21/2008 | Emission Factor For Wood-fired Boilers for 123678-Hexachlorodibenzo-p-dioxin |
| 1/2/2008 | Internal Combustion Engines Subject to NSPS Requirements |
| 1/24/2007 | Emergency Generators Exemption |
| 6/8/2005 | Emission Factors for Ready-Mixed Concrete Facilities |
| 3/31/2003 | Portable Crusher Exemption from Permitting |
| 3/11/2003 | Guidance on Air Permitting |
| 9/20/2000 | 2D.0518 to 2D.0958 transition memo for non - Title V facilities
This document is a permit amendment that was mailed to all non-Title V permit holders advising them of their new obligations under 2D.0958. |
| 7/31/2000 | Zoning consistency determination |
| 5/16/2000 | Using a non-SIP regulation to avoid Title V and assessing the appropriate fee classification |
| 11/18/1999 | Procedure for permitting asphalt plants
"DAQ policy incorporating the latest EPA data on stack and loadout emissions. Also available is a revised emissions estimating spreadsheet for asphalt plants." |
| 10/16/1999 | Procedure for quantifying condensible particulate matter
DAQ policy requiring back half (Method 202) testing to be performed for all sources performing particulate matter sampling. |
| 7/19/1999 | Procedures for modifying Title V permits |
| 7/9/1999 | Procedures for implementing Acceptable Ambient Levels for chromium(VI) compounds |
| 7/7/1999 | Updated guidelines for implementing Acceptable Ambient Levels for chromium(VI) compounds |
| 1/21/1999 | Lease Arrangement Modeling Procedures for 15A NCAC 2D.1100 Supersedes Memo dated April 21, 1995 |
| 10/26/1998 | Guidance on permitting and enforcement decisions when earlier decisions are rendered incorrect by new information
DAQ compliance and enforcement procedures when dealing with new information. |
| 4/18/1996 | Emissions from planing and other woodworking operations |
