CAA Program Delegation Status for Arkansas — NESHAP Part 63

SubpartDescriptionADEQ3Non-Delegable Authorities
AGeneral ProvisionsYes
See Notes 1 and 2 for NESHAP Part 63, for explanation of delegation authorities, as well as the following specific references:
§ 63.6(g) Approval of Alternative Non-Opacity Emission Standards
§ 63.6(h)(9) Approval of Alternative Opacity Standards
§ 63.7(e)(2)(ii) and (f) Approval of Major Alternatives to Test Methods
§ 63.8(f) Approval of Major Alternatives to Monitoring
§ 63.10(f) Approval of Major Alternatives to Recordkeeping and Reporting
AA/BBPhosphoric Acid/Phosphate FertilizersYes
AAAAMunicipal Solid Waste LandfillsYes
AAAAALime Manufacturing PlantsYes
BBBBBSemiconductor ManufacturingYes
CCPetroleum Refineries (MACT I)Yes
CCCSteel Pickling - HCL Process Facilities and Hydrochloric Acid Regeneration PlantsYes
CCCCNutritional Yeast ManufacturingYes
CCCCCCoke Oven; Pushing, Quenching, & Battery StacksYes
DDOffsite Waste & RecoveryYes
DDDStandards for Mineral - Wool ProductionYes
DDDDPlywood & Composite Wood ProductsYes

This subpart was issued a partial vacatur by the United States Court of Appeals for the District of Columbia Circuit. See 72 FR 61060 (October 29, 2007).

DDDDDIndustrial, Commercial & Institutional Boilers & Process HeatersYes

Final Rule. See 76 FR (March 21, 2011), as amended at 78 FR 7138 (January 31, 2013); 80 FR 72807 (November 20, 2015). Note that some state and local partners have not yet applied for updated delegation of these standards (see footnotes on full delegations list).

EEMagnetic Tape ManufacturingYes
EEEStandards for Hazardous Waste CombustorsYes

ADs/RIs go to ARD or LRD.

EEEEOrganic Liquids Distribution (Non-Gasoline)Yes
EEEEEIron & Steel FoundriesYes
EEEEEEPrimary Copper SmeltingYes
FFFFMiscellaneous OrganicYes
FFFFFIntegrated Iron & Steel Manufacturing FacilitiesYes
FFFFFFSecondary Copper SmeltingYes
GGAerospace Manufacturing and ReworkYes
GGGStandards for Pharmaceuticals ProductionYes
GGGGSolvent Extraction for Vegetable Oil ProductionYes
GGGGGSite RemediationYes
GGGGGGPrimary Nonferrous Metals Zinc, Cadmium, and BerylliumYes
HHOil & Natural Gas ProductionYes
HHHStandards for Natural Gas Transmission & StorageYes
HHHHWet-Formed Fiberglass Mat ProductionYes
HHHHHMiscellaneous Coating ManufacturingYes
HHHHHHHPolyvinyl Chloride and Copolymers ProductionYes
IIShipbuilding & Ship RepairYes
IIIFlexible Polyurethane Foam ProductionYes
IIIIAuto & Light Duty Truck (Surface Coating)Yes
IIIIIMercury Cell Chlor-Alkali PlantsYes
JJWood Furniture ManufacturingYes
JJJPolymers & Resins/ Group IVYes
JJJJPaper & Other Webs (Surface Coating)Yes
KKPrinting & PublishingYes
KKKKMetal Can (Surface Coating)Yes
LCoke Oven BatteriesYes
LLPrimary Aluminum Reduction PlantsYes
LLLPortland Cement ManufacturingYes
LLLLLAsphalt Roofing and ProcessingYes
MPerchloroethylene - Dry CleanersYes
MMCombustion Sources @ Kraft, Soda, and Sulfite Pulp & Paper MillsYes
MMMPesticide Active Ingredient ProductionYes
MMMMMisc. Metal Parts (Surface Coating)Yes
MMMMMFlexible Polyurethane Foam Fabrication OperationYes
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Any authority that is not delegable by statute, or specified as non-delegable in a subpart directly, is not delegated - this includes Category II General Provisions (Subpart A) authorities, set forth in 40 CFR § 63.91(g)(2):

     §63.6(g)  Approval of Alternative Non-Opacity Emission Standards
     §63.6(h)(9)  Approval of Alternative Opacity Standards
     §63.7(e)(2)(ii) and (f)  Approval of Major Alternatives to Test Methods
     §63.8(f)  Approval of Major Alternatives to Monitoring
     §63.10(f)  Approval of Major Alternatives to Recordkeeping and Reporting

Amendments made to a rule after adoption by a State Agency are not delegated.  The delegations are subject to all of the conditions and limitations set forth in Federal law, regulations, policy, guidance, and determinations.  State authority delegation does not apply to sources located in Indian Country.  For those authorities that cannot be delegated, see certain general provisions listed in item 1 and also specific parts of some standards as stated in each specific standard. See also Subpart E, Approval of State Programs and Delegation of Federal Authorities - specifically, 40 CFR § 63.90(d) provides for authorities retained by EPA's Administrator.


MACT Standards delegated unchanged to the Arkansas Department of Environmental Quality (ADEQ) apply only to sources subject to the Part 70 program; ADEQ’s authority to implement and enforce a delegated Part 63 standard is effective when the standard is incorporated into the source’s Title V (Part 70) Operating Permit.  ADEQ's delegation authority is limited in accordance with delegable authorities specified in statute and specific regulations, as well as all of the conditions and limitations set forth in the Memorandum of Agreement, dated September 17, 2014, entered into between the ADEQ and EPA Region 6 regarding section 112 CAA implementation. See Federal Register Volume 79, No. 218, Wednesday, November 12, 2014.