Appendix B: List of Sub-Sectors from the Proposed 2015 

Multi-Sector General Permit

Note: This list was presented as Table 2-2 of the 

Biological Evaluation for the Proposed Action 

2015 MSGP Biological Opinion B-1
MSGP BE Report 

January 27, 2014 2-23 

Table 2-2. Sectors and subsectors of industrial activity covered under the MSGP. 

Sectors of Industrial Activity Covered by This Permit 

Subsector 

(May be subject 

to more than one 

sector/subsector) 

SIC Code or 

Activity Code Activity Represented 

SECTOR A: TIMBER PRODUCTS 

A1 2421 General Sawmills and Planing Mills 

A2 2491 Wood Preserving 

A3 2411 Log Storage and Handling 

A4 

2426 Hardwood Dimension and Flooring Mills 

2429 Special Product Sawmills, Not Elsewhere Classified 

2431-2439 

(except 2434) Millwork, Veneer, Plywood, and Structural Wood (see Sector W) 

2448 Wood Pallets and Skids 

2449 Wood Containers, Not Elsewhere Classified 

2451, 2452 Wood Buildings and Mobile Homes 

2493 Reconstituted Wood Products 

2499 Wood Products, Not Elsewhere Classified 

A5 2441 Nailed and Lock Corner Wood Boxes and Shook 

SECTOR B: PAPER AND ALLIED PRODUCTS 

B1 2631 Paperboard Mills 

B2 

2611 Pulp Mills 

2621 Paper Mills 

2652-2657 Paperboard Containers and Boxes 

2671-2679 Converted Paper and Paperboard Products, Except Containers 

and Boxes 

SECTOR C: CHEMICALS AND ALLIED PRODUCTS

C1 2873-2879 Agricultural Chemicals 

C2 2812-2819 Industrial Inorganic Chemicals 

C3 2841-2844 Soaps, Detergents, and Cleaning Preparations; Perfumes, 

Cosmetics, and Other Toilet Preparations 

C4 2821-2824 Plastics Materials and Synthetic Resins, Synthetic Rubber, 

Cellulosic and Other Manmade Fibers Except Glass 

C5 

2833-2836 

Medicinal Chemicals and Botanical Products; Pharmaceutical 

Preparations; in vitro and in vivo Diagnostic Substances; and 

Biological Products, Except Diagnostic Substances 

2851 Paints, Varnishes, Lacquers, Enamels, and Allied Products 

2861-2869 Industrial Organic Chemicals 

2891-2899 Miscellaneous Chemical Products 

3952 

(limited to list of 

inks and paints) 

Inks and Paints, Including China Painting Enamels, India Ink, 

Drawing Ink, Platinum Paints for Burnt Wood or Leather Work, 

Paints for China Painting, Artist’s Paints and Artist’s 

Watercolors 

2911 Petroleum Refining 

SECTOR D: ASPHALT PAVING AND ROOFING MATERIALS AND LUBRICANTS 

D1 2951, 2952 Asphalt Paving and Roofing Materials 

2015 MSGP Biological Opinion B-2
MSGP BE Report 

January 27, 2014 2-24 

Sectors of Industrial Activity Covered by This Permit 

Subsector 

(May be subject 

to more than one 

sector/subsector) 

SIC Code or 

Activity Code Activity Represented 

D2 2992, 2999 Miscellaneous Products of Petroleum and Coal 

SECTOR E: GLASS, CLAY, CEMENT, CONCRETE, AND GYPSUM PRODUCTS 

E1 3251-3259 Structural Clay Products 

3261-3269 Pottery and Related Products 

E2 3271-3275 Concrete, Gypsum, and Plaster Products 

E3 

3211 Flat Glass 

3221, 3229 Glass and Glassware, Pressed or Blown 

3231 Glass Products Made of Purchased Glass 

3241 Hydraulic Cement 

3281 Cut Stone and Stone Products 

3291-3299 Abrasive, Asbestos, and Miscellaneous Nonmetallic Mineral 

Products 

SECTOR F: PRIMARY METALS 

F1 3312-3317 Steel Works, Blast Furnaces, and Rolling and Finishing Mills 

F2 3321-3325 Iron and Steel Foundries 

F3 3351-3357 Rolling, Drawing, and Extruding of Nonferrous Metals 

F4 3363-3369 Nonferrous Foundries (Castings) 

F5 

3331-3339 Primary Smelting and Refining of Nonferrous Metals 

3341 Secondary Smelting and Refining of Nonferrous Metals 

3398, 3399 Miscellaneous Primary Metal Products 

SECTOR G: METAL MINING (ORE MINING AND DRESSING) 

G1 1021 Copper Ore and Mining Dressing Facilities 

G2 

1011 Iron Ores 

1021 Copper Ores 

1031 Lead and Zinc Ores 

1041, 1044 Gold and Silver Ores 

1061 Ferroalloy Ores, Except Vanadium 

1081 Metal Mining Services 

1094, 1099 Miscellaneous Metal Ores 

SECTOR H: COAL MINES AND COAL MINING-RELATED FACILITIES 

H1 1221-1241 Coal Mines and Coal Mining-Related Facilities 

SECTOR I: OIL AND GAS EXTRACTION AND REFINING 

I1 

1311 Crude Petroleum and Natural Gas 

1321 Natural Gas Liquids 

1381-1389 Oil and Gas Field Services 

SECTOR J: MINERAL MINING AND DRESSING 

J1 

1442 Construction Sand and Gravel 

1446 Industrial Sand 

J2 

1411 Dimension Stone 

1422-1429 Crushed and Broken Stone, Including Rip Rap 

2015 MSGP Biological Opinion B-3
MSGP BE Report 

January 27, 2014 2-25 

Sectors of Industrial Activity Covered by This Permit 

Subsector 

(May be subject 

to more than one 

sector/subsector) 

SIC Code or 

Activity Code Activity Represented 

1481 Nonmetallic Minerals Services, Except Fuels 

1499 Miscellaneous Nonmetallic Minerals, Except Fuels 

J3 1455, 1459 Clay, Ceramic, and Refractory Materials 

1474-1479 Chemical and Fertilizer Mineral Mining 

SECTOR K: HAZARDOUS WASTE TREATMENT, STORAGE, OR DISPOSAL FACILITIES 

K1 HZ 

Hazardous Waste Treatment, Storage, or Disposal Facilities, 

including those that are operating under interim status or a 

permit under subtitle C of RCRA 

SECTOR L: LANDFILLS, LAND APPLICATION SITES, AND OPEN DUMPS 

L1 LF All Landfill, Land Application Sites and Open Dumps 

L2 LF 

All Landfill, Land Application Sites and Open Dumps, except 

Municipal Solid Waste Landfill (MSWLF) Areas Closed in 

Accordance with 40 CFR 258.60 

SECTOR M: AUTOMOBILE SALVAGE YARDS 

M1 5015 Automobile Salvage Yards 

SECTOR N: SCRAP RECYCLING FACILITIES 

N1 5093 Scrap Recycling and Waste Recycling Facilities except SourceSeparated Recycling 

N2 5093 Source-separated Recycling Facility 

SECTOR O: STEAM ELECTRIC GENERATING FACILITIES 

O1 SE Steam Electric Generating Facilities, including coal handling 

sites 

SECTOR P: LAND TRANSPORTATION AND WAREHOUSING 

P1 

4011, 4013 Railroad Transportation 

4111-4173 Local and Highway Passenger Transportation 

4212-4231 

(except 4223 and 

4224) 

Motor Freight Transportation and Warehousing

4311 United States Postal Service 

5171 Petroleum Bulk Stations and Terminals 

SECTOR Q: WATER TRANSPORTATION 

Q1 4412-4499 Water Transportation Facilities 

SECTOR R: SHIP AND BOAT BUILDING AND REPAIRING YARDS 

R1 3731, 3732 Ship and Boat Building or Repairing Yards 

SECTOR S: AIR TRANSPORTATION FACILITIES 

S1 4512-4581 Air Transportation Facilities 

SECTOR T: TREATMENT WORKS 

2015 MSGP Biological Opinion B-4
MSGP BE Report 

January 27, 2014 2-26 

Sectors of Industrial Activity Covered by This Permit 

Subsector 

(May be subject 

to more than one 

sector/subsector) 

SIC Code or 

Activity Code Activity Represented 

T1 TW 

Treatment Works treating domestic sewage or any other 

sewage sludge or wastewater treatment device or system, used 

in the storage, treatment, recycling, and reclamation of 

municipal or domestic sewage, including land dedicated to the 

disposal of sewage sludge that are located within the confines 

of the facility, with a design flow of 1.0 mgd or more, or required 

to have an approved pretreatment program under 40 CFR Part 

403. Not included are farm lands, domestic gardens or lands 

used for sludge management where sludge is beneficially 

reused and which are not physically located in the confines of 

the facility, or areas that are in compliance with section 405 of 

the CWA 

SECTOR U: FOOD AND KINDRED PRODUCTS 

U1 2041-2048 Grain Mill Products 

U2 2074-2079 Fats and Oils Products 

U3 

2011-2015 Meat Products 

2021-2026 Dairy Products 

2032-2038 Canned, Frozen, and Preserved Fruits, Vegetables, and Food 

Specialties 

2051-2053 Bakery Products 

2061-2068 Sugar and Confectionery Products 

2082-2087 Beverages 

2091-2099 Miscellaneous Food Preparations and Kindred Products 

2111-2141 Tobacco Products 

SECTOR V: TEXTILE MILLS, APPAREL, AND OTHER FABRIC PRODUCT MANUFACTURING; 

LEATHER AND LEATHER PRODUCTS 

V1 

2211-2299 Textile Mill Products 

2311-2399 Apparel and Other Finished Products Made from Fabrics and 

Similar Materials 

3131-3199 Leather and Leather Products (note: see Sector Z1 for Leather 

Tanning and Finishing) 

SECTOR W: FURNITURE AND FIXTURES 

W1 2434 Wood Kitchen Cabinets 

2511-2599 Furniture and Fixtures 

SECTOR X: PRINTING AND PUBLISHING 

X1 2711-2796 Printing, Publishing, and Allied Industries 

SECTOR Y: RUBBER, MISCELLANEOUS PLASTIC PRODUCTS, AND MISCELLANEOUS 

MANUFACTURING INDUSTRIES 

Y1 

3011 Tires and Inner Tubes 

3021 Rubber and Plastics Footwear 

3052, 3053 Gaskets, Packing and Sealing Devices, and Rubber and Plastic 

Hoses and Belting 

3061, 3069 Fabricated Rubber Products, Not Elsewhere Classified 

2015 MSGP Biological Opinion B-5
MSGP BE Report 

January 27, 2014 2-27 

Sectors of Industrial Activity Covered by This Permit 

Subsector 

(May be subject 

to more than one 

sector/subsector) 

SIC Code or 

Activity Code Activity Represented 

Y2 

3081-3089 Miscellaneous Plastics Products 

3931 Musical Instruments 

3942-3949 Dolls, Toys, Games, and Sporting and Athletic Goods 

3951-3955 

(except 3952 –

see Sector C) 

Pens, Pencils, and Other Artists’ Materials

3961, 3965 Costume Jewelry, Costume Novelties, Buttons, and 

Miscellaneous Notions, Except Precious Metal 

3991-3999 Miscellaneous Manufacturing Industries 

SECTOR Z: LEATHER TANNING AND FINISHING 

Z1 3111 Leather Tanning and Finishing 

SECTOR AA: FABRICATED METAL PRODUCTS 

AA1 

3411-3499 

(except 3479) 

Fabricated Metal Products, Except Machinery and 

Transportation Equipment, and Coating, Engraving, and Allied 

Services. 

3911-3915 Jewelry, Silverware, and Plated Ware 

AA2 3479 Fabricated Metal Coating and Engraving 

SECTOR AB: TRANSPORTATION EQUIPMENT, INDUSTRIAL OR COMMERCIAL MACHINERY 

AB1 

3511-3599 

(except 3571-

3579) 

Industrial and Commercial Machinery, Except Computer and 

Office Equipment (see Sector AC)

3711-3799 

(except 3731, 

3732) 

Transportation Equipment Except Ship and Boat Building and 

Repairing (see Sector R)

SECTOR AC: ELECTRONIC, ELECTRICAL, PHOTOGRAPHIC, AND OPTICAL GOODS 

AC1 

3571-3579 Computer and Office Equipment 

3812-3873 Measuring, Analyzing, and Controlling Instruments; 

Photographic and Optical Goods, Watches, and Clocks 

3612-3699 Electronic and Electrical Equipment and Components, Except 

Computer Equipment 

SECTOR AD: NON-CLASSIFIED FACILITIES 

AD1 

Other stormwater discharges designated by the Director as needing a permit (see 

40 CFR 122.26(a)(9)(i)(C) & (D)) or any facility discharging stormwater associated 

with industrial activity not described by any of Sectors A-AC. NOTE: Facilities may 

not elect to be covered under Sector AD. Only the Director may assign a facility to 

Sector AD. 

 

2015 MSGP Biological Opinion B-6