MACT Standards Status Report
revised January 15, 1998

MACT Source Category Year Due Status
General Provisions 06-18-96 remove Caprolactam as a HAP
09-11-96 Recordkeeping
N/A 03-13-94 (F)FR12408
06-18-96 (F)61FR60816
09-11-96 (P)61FR00177
Coke Ovens Batteries Coke Ovens: Charging, Topside and Door Leaks (CAA 112(d)(8) promulgate reg by December 31, 1992) 1992 10-27-93 (F)58FR57898
Perchloroethylene Air Emission Standards for Dry Cleaning Facilities *Commercial Dry Cleaning (Perchloroethylene)- Dry-to-Dry Machines 1992 09-22-93 (F)58FR49354
10-19-93 (N)58FR53900
10-19-94 (N)59FR37494
?? transfer mach
06-11-96 (N)61FR29485
09-19-96 (A)61FR49263
ATCM 112(l)
10-17-95 (P)FR53728
12-13-95 (P)60FR64002
05-21-96 (F)61FR25397
Commercial Dry-cleaning (Perchloroethylene)- Transfer Machines
*Commercial Dry-cleaning (Perchloroethylene)- Transfer Machines
Industrial Dry-cleaning (Perchloroethylene)- Dry-to-Dry Machines
Industrial Dry-cleaning (Perchloroethylene)- Transfer Machines
Synthetic Organic Chemical Manufacturing [a.k.a. HON] Synthetic Organic Chemical Manufacturing [a.k.a. Hazardous Organic NESHAP (HON)]

4-10-97 removed from SOCMI process glycerol tri-(polyoxypropylene) ether, polyethylene glycol, and polypropylene glycol
1992 04-22-94 (F)59FR19402
06-06-94 (A)59FR29196
09-20-94 (C)59FR48175
10-24-94 (S)59FR53359
10-28-94 (S)59FR54131
01-27-95 (S)60FR05320
04-10-95 (A)60FR18020
02-29-96 (A)61FR07761
06-20-96 (A)61FR31435
08-23-96 (N)61FR43544
08-26-96 (A)61FR43698
12-05-96 (A)61FR64571
01-17-97 (A)62FR02721
08-11-97 (A)62FR42918
08-22-97 (a)62FR44614
08-22-97 (C)63FR44608
Synthetic Organic Chemical Manufacturing Industry for Process Vents, Storage Vessels, Transfer Operations, and Wastewater [a.k.a. HON] 6-4-96 Dodecanedioic Acid Production [moved to HON, was a 2000 MACT]
8-22-97 adding tetrahydrobenzaldehyde (THBA) and crotonaldehyde; removing acetaldol from list of chemical production processes
[No CA facilities]
HON - Equipment Leaks [a.k.a. HON]
HON - Certain Process Subject to the Negotiated Regulation for Equipment Leaks [a.k.a. HON
Production of Acrylonitrile Butadiene Styrene (ABS) Resin, Styrene Acrylonitrile (SAN) Resin, Methyl Methacrylate Acrylonitrile Butadiene Styrene (MABS) Resin, Methyl Methacrylate Butadiene Styrene (MBS) Resin, Poly (Ethylene Terephthalate) (PET) Resin, and Nitrile Resin [a.k.a. Polymers and Resins IV] Acrylonitrile-Butadiene-Styrene Production 1994 09-12-96 (F)61FR48207 10-18-96 (A)61FR54342 11-25-96 (P)61FR59849 01-14-97 (A)62FR01835
06-06-97 (a)62FR31038
06-06-97 (a)62FR31038
Methyl Methacrylate-Acrylonitrile-Butadiene-Styrene Production (2)
Methyl Methacrylate-Butadiene-Styrene Terpolymers Production (2)
Nitrile Resin Production added 6/96
Polyethylene Terephthalate Production
Polystyrene Production
Styrene-Acrylonitrile Production
Aerospace Manufacturing and Rework Facilities Aerospace Industries 1994 09-01-95 (F)60FR45948 12-17-96 (A)61FR66226 02-09-96 (C)61FR04902
Asbestos Processing *Asbestos Processing; revising see Friction Products year 2000 1994 delisted 6/96
Butyl Rubber Production, Epichlorohydrin Elastomers Production, Ethylene-Propylene Elastomers Production, Hypalon (TM) Production, Neoprene Production, Nitrile butadiene Rubber Production, Polybutadiene Rubber Production, Polusulfide Rubber Production, Styrene-Butadiene Rubber Latex Production (Group 1 Polymers and Resins)

[a.k.a. Polymers and Resins I]

Butyl Rubber Production 1994 09-05-96 (F)61FR46905 11-25-96 (P)61FR59849 01-14-97 (A)62FR01835 (a)62FR01869
03-17-97 (A)62FR12546
(Test Method 310)
Epichlorohydrin Elastomers Production
Ethylene-Propylene Rubber Production
Hypalon (TM) Production (2)
Neoprene Production
Nitrile Butadiene Rubber Production
Polybutadiene Rubber Production (2)
Polysulfide Rubber Production (2)
Styrene-Butadiene Rubber and Latex Production(2)
Chromium Emissions From Hard and Decorative Chromium Electroplating and Chromium Anodizing Tanks Chromic Acid Anodizing 1994 01-25-95 (F)60FR04948 05-24-95 (C)60FR27598 07-28-95 (C)60FR33122 12-13-95 (F)60FR64002 06-03-96 (A)61FR27785 01-30-97 (A)62FR04463
08-11-97 (A)62FR42918
10-23-97 (N)62FR55246
*Chromic Acid Anodizing
Decorative Chromium Electroplating
*Decorative Chromium Electroplating
Hard Chromium Electroplating
*Hard Chromium Electroplating
Ethylene Oxide Emissions Standards for Sterilization Facilities Commercial Sterilization Facilities 1994 12-06-94 (F)58FR62585 12-13-95 (F)60FR64002 06-03-96 (A)61FR27785
10-23-97 (N)62FR55247
12-09-97 (F)62FR64732
*Commercial Sterilization Facilities
Epoxy Resins Production and Non-Nylon Polyamides Production [a.k.a. Polymers and Resins II] Epoxy Resins Production 1994 03-08-95 (F)60FR12670
Non-Nylon Polyamides Production
Gasoline Distribution Facilities (Bulk Gasoline Terminals and Pipeline Breakout Stations) Gasoline Distribution-Stage 1 1994 12-14-94 (F)59FR64303 02-08-95 (C)60FR07627 06-26-95 (C)60FR32912 08-18-95(A)60FR43244 11-07-95 (A)60FR56133 12-08-95 (S)60FR62991 02-29-96 (A)61FR07718 11-15-96 (N)61FR58547 02-28-97 (a)62FR09140
11-05-97 (N)62FR59864
Halogenated Solvent Halogenated Solvent Cleaners (2) 1994 12-02-94 (F)59FR61801 12-30-94 (C)59FR67750 06-05-95 (C)60FR29482 10-21-97 (N)62FR54629
*Halogenated Solvent Cleaners
Incinerators (1) Incinerators, see HAZARDOUS (2000), SEWAGE (2000), MEDICAL (96), MWC (95), ICWI (97)
Industrial Process Cooling Towers Industrial Process Cooling Towers 1994 09-08-94 (F)59FR46339
Magnetic Tape Manufacturing Operations Magnetic Tapes (Surface Coating) 1994 12-15-94 (F)59FR64580
Off-site Waste & Recovery Operations Solid Waste Treatment, Storage and Disposal Facilities (TSDF); named changed to Off-site Waste & Recovery Operations 1996 1994 07-01-96 (F)61FR34139 ? (R)59FR65744
12-08-97 (C)62FR64635
Petroleum Refineries Petroleum Refineries-Other Sources Not Distinctly Listed 1994 08-18-95 (F)60FR43244
? (C)60FR49976
02-23-96 (C)61FR07051 06-12-96 (A)61FR29875
02-21-97 (a)62FR07977
Printing and Publishing Printing/Publishing (Surface Coating) 1994 05-30-96 (F)FR27132
Secondary Lead Smelting Secondary Lead Smelting 1994 06-23-95 (F)60FR32587
12-13-95 (F)60FR64002
06-03-96 (A)61FR27785 12-12-96 (A)61FR65334 06-13-97 (a)62FR32266
*Secondary Lead Smelting [became an area source 6/96]
Shipbuilding and Ship Repair Shipbuilding and Ship Repair (Surface Coatings) 1994 12-15-95 (F)60FR64330 06-18-96 (A)61FR30846
12-17-96 (A)61FR66226
08-27-96 (F)61FR44050 12-12-96 (A)61FR68408
Wood Furniture Manufacturing Operations Wood Furniture (Surface Coating) 1994 12-07-95 (F)60FR62929
06-03-97 (A)62FR30257
06-13-97 (a)62FR31405
12-24-97 (N)62FR67360
Public Owned Treatment Works Publicly Owned Treatment Works (POTW) Emissions (CAA Mandated Promulgation by November 15, 1995) 1995 from 1997 Presumptive MACT 1/95
Municipal Waste Combustion II & III - New and Existing (1) Municipal Waste Combustion; Not Included on MACT Source Category Schedule; section 111, 129 ; 40CFR60.30 Sub Cb
12-6-96 court vacated; hearing to follow
1995 12-19-95 (P)60FR65437
(F)60FR65387 existin
(F)60FR65381 new
(N)60FR65438 battery
Medical Waste Incinerators (1) Medical Waste Incinerators Not Included on MACT Source Category Schedule; section 111, 129 1996 02-27-95 (P) 60FR10654
06-20-96 (P) 61FR31736
[a.k.a. Polymers and Resins III] Acetal Resins Production 1997 Presumptive MACT summer 1995
Amino Resins Production
Phenolic Resins Production (2)
Acrylic Resin Production, Homopolymers and/or Copolymers
Acrylic Fibers/Modacrylic Fibers Production [No CA facilities] 1997 draft 10-24-97
Polycarbonates Production (2)
[No CA facilities per EPA]
Hydrochloric Acid Production
Chlorine Manufacturing Chlorine Production (2) 1997  
Chloroneb Production Chloroneb Production 1997  
Chromium Chemicals Manufacturing Chromium Chemicals Manufacturing[No CA facilities] 1997 delisted 6/96
Cyanuric Chloride Production Cyanuric Chloride Production - may move to HON 1997 delisting
Ferroalloys Production Ferroalloys Production - No CA facilities 1997 Presumptive MACT 4/95
Flexible Polyurethane Foam Production Flexible Polyurethane Foam Production 1997 added 6/96
12-27-96 (P)61FR68406 02-03-97(PC)62FR5074
Hydrogen Cyanide Production Hydrogen Cyanide Production - may move to HON 1997 delisting
Mineral Wool Production Mineral Wool Production 1997 05-08-97 (P)62FR25369
Non-Stainless Steel Manufacturing-Electric Arc Furnace (EAF) Operation Non-Stainless Steel Manufacturing-Electric Arc Furnace (EAF) Operation 1997 delisted 6/96
Nylon 6 Production Nylon 6 Production; [only caprolactam which was delisted 1-19-95] 1997 delisting
Oil and Natural Gas Production Oil and Natural Gas Production 1997  
Petroleum Refineries - Catalytic Cracking (Fluid & other) Units, Catalytic Reforming Units, and Sulfur Plant Units [a.k.a. three vents] Petroleum Refineries-Catalytic Cracking (Fluid and Other) Units, Catalytic Reforming Units, & Sulfur Plant Units [ a.k.a. Petroleum Refinery #2] 1997 Presumptive MACT 9/95
Pharmaceuticals Production Pharmaceuticals Production (2) 1997 02-21-97 (N)62FR08012
04-02-97 (P)62FR15753
05-21-97 (P)62FR27707
Polyether Polyols Production Polyether Polyols Production [was Misc. now Polymers & Resin] 1997 09-04-97 (P)
Portland Cement Manufacturing Portland Cement Manufacturing 1997 Presumptive MACT 4/95
Primary Aluminum Production Primary Aluminum Production [No CA facilities] 1997 09-26-96 (P)61FR50585
10-07-97 (F)62FR52383
Primary Copper Smelting Primary Copper Smelting [No CA facilities] 1997 Presumptive MACT 3/95
Primary Lead Smelting Primary Lead Smelting [No CA facilities] 1997  
Pulp and Paper Production (multimedia air/water) Pulp & Paper Production 1997 12-17-93 (P)58FR66078 ? (C)59FR12567
03-17-94 (R)59FR12567
11-11-94 (N)59FR01515
02-22-95 (N)61FR09813
03-08-96 (P)61FR09383
Pulp & Paper for Mechanical Sources(Non chemical) 1997  
Pulp (kraft, soda, sulfite)Combustion Sources 1997 Presumptive MACT 4/95; canceled conf. calls 4/24/95
Pulp & Paper (semi-chemical) Combustion Sources 1997 Presumptive MACT 9/95
Reinforced Plastic Composites Production Reinforced Plastic Composites Production 1997 Presumptive MACT 7/95
Secondary Aluminum Production Secondary Aluminum Production 1997 Presumptive MACT 4/95
Sodium Cyanide Production Sodium Cyanide Production - may move to HON 1997 delisting
Stainless Steel Manufacturing-Electric Arc Furnace (EAF) Operations Stainless Steel Manufacturing-Electric Arc Furnace (EAF) Operations 1997 delisted 6/96
Steel Pickling Steel Pickling-HCl Process 1997 Presumptive MACT 4/95
08-19-97 (P)62FR49051
Tetrahydrobenzaldehyde Production Butadiene Dimers Production; (2)[was Polymers & Resins move to agricultural chem 6/96][name changed to Tetrahydrobenzaldehyde Production 1996][may move to HON: No CA facilities] 1997 renamed 6/96
Wood Treatment Wood Treatment; using creosote & oil borne preservatives 1997 deleted 6/96
Wool Fiberglass Manufacturing Wool Fiberglass Manufacturing 1997 03-31-97 (P)62FR15227
Aerosol Can-Filling Facilities Aerosol Can-Filling Facilities 2000 from 1997
Pesticide Active Ingredient (PAI)
[a.k.a. Agricultural Chemicals]
4-Chloro-2-Methylphenoxyacetic Acid Production 2000 from 1997 Presumptive MACT
11-10-97 (P)62FR60565
2,4-D Salts and Esters Production
4,6-Dinitro-O-Cresol Production
Captafol Production (2)
Captan Production (2)
Chlorothalonil Production (2)
Dacthal (TM) Production (2)
Sodium Pentachlorophenate Production
Tordon (TM) Acid Production (2)
+ Butadiene Furfural Cotrimer (R-11)
[a.k.a. Tetrahydrobenzaldehyde]
PIA used to produce herbicides, pesticide ingredients
Alumina Processing Alumina Processing 2000  
Ammonium Sulfate Production-Caprolactam By-product Plants Ammonium Sulfate Production-Caprolactam By-product Plants 2000 Presumptive MACT 9/97
Antimony Oxides Manufacturing Antimony Oxides Manufacturing 2000  
Asphalt Processing Asphalt Processing 2000 Presumptive MACT 9/95
Asphalt Roofing/Asphalt Processing Concrete Manufacturing Asphalt Roofing Manufacturing 2000 Presumptive MACT 9/95
8-13-97 EPA may delist concrete
Asphalt Concrete Manufacturing
Asphalt/Coal Tar Application-Metal Pipes Asphalt/Coal Tar Application-Metal Pipes 2000  
Auto and Light Duty Truck Auto and Light Duty Truck (Surface Coating) 2000 from 1997
Bakers Yeast Manufacturing Bakers Yeast Manufacturing 2000 draft
Boat Manufacturing Boat Manufacturing Resins 2000 Presumptive MACT 10/95
08-05-97 draft
Carbon Black Carbon Black 2000 added 6/96
Carboxymethylcellulose Production Carboxymethylcellulose Production 2000 from 1997
Cellophane Production Cellophane Production 2000 from 1997
Cellulose Ethers Production Cellulose Ethers Production 2000  
Cellulose Food Casing Manufacturing Cellulose Food Casing Manufacturing 2000  
Chromium Refractories Production Chromium Refractories Production (2) 2000 from 1997
draft Presumptive MACT 6/97
Clay Products Manufacturing Clay Products Manufacturing 2000 Presumptive MACT 9/97  
Coke By-product Plants Coke By-product Plants 2000  
Coke Ovens: Pushing, Quenching and Battery Stacks Coke Ovens: Pushing, Quenching and Battery Stacks 2000  
Dry Cleaning (Petroleum Solvent) Dry Cleaning (Petroleum Solvent) 2000  
Engine Test Facilities Engine Test Facilities 2000  
Ethylene Processes Ethylene Processes 2000 added 6/96
Flat Wood Paneling Flat Wood Paneling (Surface Coating) 2000 Presumptive MACT 9/97
Friction Products Friction Products (from asbestos) 2000 added 6/96
Presumptive MACT 9/97
Fume Silica Production Fume Silica Production 2000  
Hazardous Waste Incineration Hazardous Waste Incineration 2000  
Hydrogen Fluoride Production Hydrogen Fluoride Production 2000 from 1997
Integrated Iron & Steel Manufacturing Integrated Iron & Steel Manufacturing [No CA facilities] 2000 from 1997
Industrial Combutaion Coordinated Rulemaking (ICCR)

Industrial-Commercial-Institutional (ICI) Combustion Sources
Industrial Boilers 2000 01-14-97 (N)62FR01868
02-26-97 (N)62FR08727
04-19-97 (P)61FR17357
05-02-97 (N)62FR24107
HW Cement Kilns
HW Lightweight
HW Aggregate Kilns
05-12-97 (N)62FR25877
06-26-97 (N)62FR34417
09-23-97 EPA request for participants
10-24-97 (N)62FR55400
Institutional/Commercial Boilers from 1997
Process Heaters
Stationary Internal Combustion Engines; [ a.k.a Reciprocating Engines]
Stationary Turbines; [a.k.a. Gas Turbines] from 1997
Industrial & Commercial Waste Incinerator (ICWI) II & III - New and Existing section 111 & 129 from 1997
Other Solid Waste Incinerators including wood waste, agricultural waste, construction/demolition waste, contaminated soil, residential waste, and other non-hazardous wastes.
Iron Foundries Iron Foundries 2000 from 1997
Large Appliance Large Appliance (Surface Coating) 2000  
Lead Acid Battery Manufacturing Lead Acid Battery Manufacturing 2000 delisted 6/96
Leather Tanning and Finishing Operations Leather Tanning and Finishing Operations 2000 added 6/96
Lime Manufacturing Lime Manufacturing 2000  
Marine Tank Vessel Loading Operations Marine Vessel Loading & Unloading 2000 added 1994
08-18-95 (F)60FR43244
09-19-95 (F)60FR48388
Metal Can Metal Can (Surface Coating) 2000  
Metal Coil Metal Coil (Surface Coating) 2000 Presumptive MACT 6/97
Metal Furniture Metal Furniture (Surface Coating) 2000  
Methylcellulose Production Methylcellulose Production 2000  
Miscellaneous Metal Parts & Products Miscellaneous Metal Parts & Products (Surface Coating) 2000  
Miscellaneous Organic Chemical Production and Processes [a.k.a. MON] Alkyd Resins Production 2000 11-07-96 (N)61FR57602
Presumptive MACT moving Quanternary Ammonium Compounds Production to MON per 8/97 phone conversation
Benzyltrimethylammonium Chloride Production
Carbonyl Sulfide Production
Chelating Agents Production
Chlorinated Paraffins Production
Ethylidene Norbornene Production (2)
Explosives Production
Hydrazine Production
Maleic Anhydride Copolymers Production
Manufacture of Paints, Coatings & Adhesives
OBPA/1,3-Diisocyanate Production (2)
Photographic Chemicals Production
Phthalate Plasticizers Production [Phthalate Plasticizers Production moved to HON 6/96; moved to MON 11/96]
Polyester Resins Production
Polymethyl Methacrylate Resins Production
Polyvinyl Acetate Emulsions Production
Polyvinyl Alcohol Production
Polyvinyl Butyral Production
Polyvinyl Chloride and Copolymers Production; [ a.k.a. Polyvinylidine chloride]
Quaternary Ammonium Compounds Production [was inorganic move to organic 6/96]
Rubber Chemicals Manufacturing
Symmetrical Tetrachloropyridine Production(2)
Non-SOCMI product processes identified by EPA based on information gathered which include: alcohols, plasticizers, oil additives, synthetic fatty acids, trioxane/trioxane polymer, hexamethylene diisocyanate, urea, nitroparaffin derivatives, polyethylene, ExxateTM, dicapryl phthalate, glyphosate, ethoxolates, alkyl naphthalene, polypropylene, neopentyl glycol, hexanediol, primene, hexamethylene diisocyanate, adipic acid, sorbic acid, alkyl phenol, primene, lactic acid, and other product processes not identified above that can be broadly characterized as organic chemical processes not covered by any other MACT standard
Municipal Landfills Municipal Landfills [may not have a NESHAP;NSPS contains HAP provisions for new and existing sources] 2000 from 1997 NSPS 12-19-95
Organic Liquids Distribution (Non-Gasoline) Organic Liquids Distribution (Non-Gasoline) 2000 Presumptive MACT to begin 11/97
Paint Stripper Users Paint Stripper Users 2000
Paper and Other Webs Paper and Other Webs (Surface Coating) 2000 from 1997
Phosphoric Acid Manufacturing and Phosphate Fertilizers Production Phosphate Fertilizers Production 2000 from 1997
12-27-96 (P)61FR68430
Phosphoric Acid Manufacturing
Plastic Parts and Products Plastic Parts and Products (Surface Coating) 2000  
Plywood/Particle Board Manufacturing Plywood/Particle Board Manufacturing 2000  per phone conversatin with Kathy Hank 12/97
may add sawmill drying/kiln as an area source
Polymerized Vinylidene Chloride Production Polymerized Vinylidene Chloride Production 2000  
Primary Magnesium Refining Primary Magnesium Refining 2000  
Printing, Coating & Dyeing of Fabrics Printing, Coating & Dyeing of Fabrics 2000  
Rayon Production Rayon Production 2000 from 1997
Rocket Engine Test Firing Rocket Engine Test Firing 2000  
Semiconductor Manufacturing Semiconductor Manufacturing 2000 from 1997
Sewage Sludge Incineration Sewage Sludge Incineration removed from section 112 source category; guidelines will be published under section 129 2000 from 1997
01-14-97 62FR01868
removed from 112
Site Remediation Site Remediation 2000  
Spandex Production Spandex Production 2000  
Steel Foundries Steel Foundries 2000 from 1997
Taconite Iron Ore Processing Taconite Iron Ore Processing 2000  
Tire Production Tire Production 2000 Presumptive MACT 9/96
Uranium Hexafluoride Production Uranium Hexafluoride Production 2000  
Vegetable Oil Production Vegetable Oil Production 2000  

(A)= amendment to a final rulemaking action
(a)= proposed amendment to a final rulemaking action
(C)= correction to a final rulemaking action
(F)= final rulemaking
(N)= notice
(P)= proposed rulemaking
(PC)= correction to a proposed rule
(R)= reopening of proposed action for public comment
(S)= stay or partial stay of the rule requirements

(1) times new roman italics = not MACT source category
(2) subject to HON leak provisions

* = denotes an area source category

Total MACT Categories = 113

items listed in "Times New Roman" italics are not MACTs

Total Source Categories Official = 173
(federal register noticed)
Final MACTs = 21

Regulatory History:

original list: 9-24-92; 57FR44147 [174 source categories]

amended: 12-3-93; 58FR63941
29 source categories moved from 1997 to 2000;
9 agricultural chemicals moved from 2000 to 1997
amended: 6-4-96; 61FR28197
Changes that do not change the number of source categories:
2 source categories named changed:
Solid Waste TSDF [changed name to Off-Site Waste & Recovery Operations]
Butadiene Dimers Production [changed source category to Tetrahydrobenzaldehyde Production]

3 source categories moved under a different industry group:
Butadiene-Furfural Cotrimer (R-11) [changed industry group from polymers & resins to agricultural chemical group]
Polyether Polyols [changed industry group from miscellaneous to polymers and resins]
Quaternary Ammonium Compound [changed industry group from inorganic to organic group]

2 source categories moved under other source category:
Dodecanedioic Acid Production [moved to HON]
Phthalate Plasticizers Production [moved to HON; moved MON 11/96 see below]

Changes that change the number of source categories:
8 new source categories:
Nitrile Resin Production [to Polymers & Resins IV MACT; see 3-29-95 60FR16090 for proposed applicability]
Friction Products
Flexible Polyurethane Foam Production
Secondary Lead Smelting [added area source category]
Carbon Black
Ethylene Processes
Leather Tanning & Finishing Operations
Marine Vessel Loading Operations [9-9-95 final MACT 60FR48388]

6 deleted source categories:
Asbestos Processing
Chromium Chemical Manufacturing
Non-Stainless Steel Manufacturing-Electric Arc Furnace (EAF) Operation
Stainless Steel Manufacturing-Electric Arc Furnace (EAF) Operations
Wood Treatment
Lead Acid Battery Manufacturing

6-18-96; 61FR60816
removed Caprolactam as a HAP; only HAP regulated under Nylon 6 Production Source Category

amended 12-27-96; 61FR68430
2 source categories combined under 1 MACT category; phosphate fertilizer & phosphoric acid
amended: 1-14-97; 62FR01868
1 source category removed; sewage sludge incineration will be published under 129

Proposed Amendments:

amended: 5-12-97; (P)62FR25877
proposing to add 1 source category; Research or Laboratory Facilities (R&D)

draft proposal to add source categories for regulation under 112(d); EPA TTN 6-12-97, 112C6FR.wp6, list to be completed by 12-19-97

Presumptive MACT moving Quanternary Ammonium Compounds Production to MON; 8/97 phone conversation

proposing under Presumptive MACT to combine under Generic MACT, 40 CFR 63, Subpart YY, 12/97 phone conversation
-Acrylic Fibers/Modacrylic Fibers Production
-Polycarbonates Production
-Hydrochloric Acid Production