SUBPART A. GENERAL PROVISIONS

§ 307.101. Preamble [Renumbered]

§ 307.102. General Requirements [Renumbered]

§ 307.103. Mercury [Renumbered]

§ 307.104. Cyanide (STORET number 00720) [Renumbered]

§ 307.105. Pretreatment Requirements [Repealed]

§ 307.1001. Preamble

§ 307.1002. Definitions

§ 307.1003. Test Procedures for Measurement

§ 307.1005. Toxic Pollutants

§ 307.1006. Electronic Reporting

SUBPART B. GENERAL AND SPECIFIC PRETREATMENT REQUIREMENTS

§ 307.1101. General and Specific Requirements

§ 307.1102. Mercury

§ 307.1103. Cyanide

SUBPART F. DAIRY PRODUCTS PROCESSING

§ 307.1501. Receiving Stations

§ 307.1502. Fluid Products

§ 307.1503. Cultured Products

§ 307.1504. Butter

§ 307.1505. Cottage Cheese and Cultured Cream Cheese

§ 307.1506. Natural and Processed Cheese

§ 307.1507. Fluid Mix for Ice Cream and Other Frozen Desserts

§ 307.1508. Ice Cream, Frozen Desserts, Novelties, and Other Dairy Desserts

§ 307.1509. Condensed Milk

§ 307.1510. Dry Milk

§ 307.1511. Condensed Whey

§ 307.1512. Dry Whey

SUBPART G. GRAIN MILLS

§ 307.1601. Corn Wet Milling

§ 307.1602. Corn Dry Milling

§ 307.1603. Normal Wheat Flour Milling

§ 307.1604. Bulgur Wheat Flour Milling

§ 307.1605. Normal Rice Milling

§ 307.1606. Parboiled Rice Milling

§ 307.1607. Animal Feed

§ 307.1608. Hot Cereal

§ 307.1609. Ready-to-Eat Cereal

§ 307.1610. Wheat Starch and Gluten

SUBPART H. CANNED AND PRESERVED FRUITS AND VEGETABLES

§ 307.1700. General Provisions

§ 307.1701. Apple Juice

§ 307.1702. Apple Products

§ 307.1703. Citrus Products

§ 307.1704. Frozen Potato Products

§ 307.1705. Dehydrated Potato Products

§ 307.1706. Canned and Preserved Fruits

§ 307.1707. Canned and Preserved Vegetables

§ 307.1708. Canned and Miscellaneous Specialties

SUBPART I. CANNED AND PRESERVED SEAFOOD

§ 307.1801. Farm-Raised Catfish

§ 307.1815. Fish Meal Processing Subcategory [Repealed]

SUBPART J. SUGAR PROCESSING

§ 307.1901. Beet Sugar Processing

§ 307.1902. Crystalline Cane Sugar Refining

§ 307.1903. Liquid Cane Sugar Refining

SUBPART K. TEXTILE MILLS

§ 307.2000. General Provisions

§ 307.2001. Wool Scouring

§ 307.2002. Wool Finishing

§ 307.2003. Low Water Use Processing

§ 307.2004. Woven Fabric Finishing

§ 307.2005. Knit Fabric Finishing

§ 307.2006. Carpet Finishing

§ 307.2007. Stock and Yarn Finishing

§ 307.2008. Nonwoven Manufacturing

§ 307.2009. Felted Fabric Processing

SUBPART L. CEMENT MANUFACTURING

§ 307.2101. Nonleaching

§ 307.2102. Leaching

§ 307.2103. Materials Storage Piles Runoff

SUBPART M. CONCENTRATED ANIMAL FEEDING OPERATIONS

§ 307.2201. General

§ 307.2202. Ducks

SUBPART N. ELECTROPLATING

§ 307.2300. General Provisions

§ 307.2301. Electroplating of Common Metals

§ 307.2302. Electroplating of Precious Metals

§ 307.2304. Anodizing

§ 307.2305. Coatings

§ 307.2306. Chemical Etching and Milling

§ 307.2307. Electroless Plating

§ 307.2308. Printed Circuit Boards

SUBPART O. ORGANIC CHEMICALS, PLASTICS, AND SYNTHETIC FIBERS

§ 307.2400. General Provisions

§ 307.2401. Rayon Fibers

§ 307.2402. Other Fibers

§ 307.2403. Thermoplastic Resins

§ 307.2404. Thermosetting Resins

§ 307.2405. Commodity Organic Chemicals

§ 307.2406. Bulk Organic Chemicals

§ 307.2407. Specialty Organic Chemicals

§ 307.2410. Indirect Discharge Point Sources

§ 307.2490. Non-Complexed Metal-Bearing and Cyanide-Bearing Waste Streams Wastestreams

§ 307.2491. Complexed Metal-Bearing Waste Streams Wastestreams

SUBPART P. INORGANIC CHEMICALS MANUFACTURING

§ 307.2500. General Provisions

§ 307.2501. Aluminum Chloride Production

§ 307.2502. Aluminum Sulfate Production

§ 307.2503. Calcium Carbide Production

§ 307.2504. Calcium Chloride Production

§ 307.2505. Calcium Oxide Production

§ 307.2506. Chlor-Alkali Process (Chlorine and Sodium or Potassium Hydroxide Production)

§ 307.2508. Hydrofluoric Acid Production

§ 307.2509. Hydrogen Peroxide Production

§ 307.2511. Potassium Metal Production

§ 307.2512. Potassium Dichromate Production

§ 307.2513. Potassium Sulfate Production

§ 307.2514. Sodium Bicarbonate Production

§ 307.2516. Sodium Chloride Production

§ 307.2517. Sodium Dichromate and Sodium Sulfate Production

§ 307.2520. Sodium Sulfite Production

§ 307.2522. Titanium Dioxide Production

§ 307.2523. Aluminum Fluoride Production

§ 307.2524. Ammonium Chloride Production

§ 307.2527. Borax Production

§ 307.2528. Boric Acid Production

§ 307.2529. Bromine Production

§ 307.2530. Calcium Carbonate Production

§ 307.2531. Calcium Hydroxide Production

§ 307.2533. Carbon Monoxide and Byproduct Hydrogen Production

§ 307.2534. Chrome Pigments Production

§ 307.2535. Chromic Acid Production

§ 307.2536. Copper Salts Production

§ 307.2538. Ferric Chloride Production

§ 307.2540. Fluorine Production

§ 307.2541. Hydrogen Production

§ 307.2542. Hydrogen Cyanide Production

§ 307.2543. Iodine Production

§ 307.2544. Lead Monoxide Production

§ 307.2545. Lithium Carbonate Production

§ 307.2547. Nickel Salts Production

§ 307.2549. Oxygen and Nitrogen Production

§ 307.2550. Potassium Chloride Production

§ 307.2551. Potassium Iodide Production

§ 307.2553. Silver Nitrate Production

§ 307.2554. Sodium Bisulfite Production

§ 307.2555. Sodium Fluoride Production

§ 307.2560. Stannic Oxide Production

§ 307.2563. Zinc Sulfate Production

§ 307.2564. Cadmium Pigments and Salts Production

§ 307.2565. Cobalt Salts Production

§ 307.2566. Sodium Chlorate Production

§ 307.2567. Zinc Chloride Production

SUBPART R. SOAP AND DETERGENTS

§ 307.2701. Soap Manufacturing by Batch Kettle

§ 307.2702. Fatty Acid Manufacturing by Fat Splitting

§ 307.2703. Soap Manufacturing by Fatty Acid Neutralization

§ 307.2704. Glycerine Concentration

§ 307.2705. Glycerine Distillation

§ 307.2706. Manufacture of Soap Flakes and Powders

§ 307.2707. Manufacture of Bar Soaps

§ 307.2708. Manufacture of Liquid Soaps

§ 307.2709. Oleum Sulfonation and Sulfation

§ 307.2710. Air-Sulfur Trioxide Sulfation and Sulfonation

§ 307.2711. Sulfur Trioxide Solvent and Vacuum Sulfonation

§ 307.2712. Sulfamic Acid Sulfation

§ 307.2713. Chlorosulfonic Acid Sulfation

§ 307.2714. Neutralization of Sulfuric Acid Esters and Sulfonic Acids

§ 307.2715. Manufacture of Spray-Dried Detergents

§ 307.2716. Manufacture of Liquid Detergents

§ 307.2717. Manufacturing of Detergents by Dry Blending

§ 307.2718. Manufacture of Drum-Dried Detergents

§ 307.2719. Manufacture of Detergent Bars and Cakes

SUBPART S. FERTILIZER MANUFACTURING

§ 307.2801. Phosphate

§ 307.2802. Ammonia

§ 307.2803. Urea

§ 307.2804. Ammonium Nitrate

§ 307.2805. Nitric Acid

§ 307.2806. Ammonium Sulfate Production

§ 307.2807. Mixed and Blend Fertilizer Production

SUBPART T. PETROLEUM REFINING

§ 307.2901. Topping

§ 307.2902. Cracking

§ 307.2903. Petrochemical

§ 307.2904. Lube

§ 307.2905. Integrated

SUBPART U. IRON AND STEEL MANUFACTURING

§ 307.3000. General Provisions

§ 307.3001. Cokemaking

§ 307.3002. Sintering

§ 307.3003. Ironmaking

§ 307.3004. Steelmaking

§ 307.3005. Vacuum Degassing

§ 307.3006. Continuous Casting

§ 307.3007. Hot Forming

§ 307.3008. Salt Bath Descaling

§ 307.3009. Acid Pickling

§ 307.3010. Cold Forming

§ 307.3011. Alkaline Cleaning

§ 307.3012. Hot Coating

§ 307.3013. Other Operations

SUBPART V. NONFERROUS METALS MANUFACTURING

§ 307.3100. General Provisions

§ 307.3101. Bauxite Refining

§ 307.3102. Primary Aluminum Smelting

§ 307.3103. Secondary Aluminum Smelting

§ 307.3104. Primary Copper Smelting

§ 307.3105. Primary Electrolytic Copper Refining

§ 307.3106. Secondary Copper

§ 307.3107. Primary Lead

§ 307.3108. Primary Zinc

§ 307.3109. Metallurgical Acid Plants

§ 307.3110. Primary Tungsten

§ 307.3111. Primary Columbium-Tantalum

§ 307.3112. Secondary Silver

§ 307.3113. Secondary Lead

§ 307.3114. Primary Antimony

§ 307.3115. Primary Beryllium

§ 307.3116. Primary and Secondary Germanium and Gallium

§ 307.3117. Secondary Indium

§ 307.3118. Secondary Mercury

§ 307.3119. Primary Molybdenum and Rhenium

§ 307.3120. Secondary Molybdenum and Vanadium

§ 307.3121. Primary Nickel and Cobalt

§ 307.3122. Secondary Nickel

§ 307.3123. Primary Precious Metals and Mercury

§ 307.3124. Secondary Precious Metals

§ 307.3125. Primary Rare Earth Metals

§ 307.3126. Secondary Tantalum

§ 307.3127. Secondary Tin

§ 307.3128. Primary and Secondary Titanium

§ 307.3129. Secondary Tungsten and Cobalt

§ 307.3130. Secondary Uranium

§ 307.3131. Primary Zirconium and Hafnium

SUBPART X. STEAM ELECTRIC POWER GENERATING

§ 307.3301. Steam Electric Power Generating

SUBPART Y. FERROALLOY MANUFACTURING

§ 307.3401. Open Electric Furnaces With Wet Air Pollution Control Devices

§ 307.3402. Covered Electric Furnaces and Other Smelting Operations with Wet Air Pollution Control Devices

§ 307.3403. Slag Processing

§ 307.3404. Covered Calcium Carbide Furnaces With Wet Air Pollution Control Devices

§ 307.3405. Other Calcium Carbide Furnaces

§ 307.3406. Electrolytic Manganese Products

§ 307.3407. Electrolytic Chromium

SUBPART Z. LEATHER TANNING AND FINISHING

§ 307.3500. General Provisions

§ 307.3501. Hair Pulp, Chrome Tan, Retan-Wet Finish

§ 307.3502. Hair Save, Chrome Tan, Retan-Wet Finish

§ 307.3503. Hair Save or Pulp, Non-Chrome Tan, Retan-Wet Finish

§ 307.3504. Retan-Wet Finish-Sides

§ 307.3505. No Beamhouse

§ 307.3506. Through-the-Blue

§ 307.3507. Shearling

§ 307.3508. Pigskin

§ 307.3509. Retan-Wet Finish-Splits

§ 307.3590. Potassium Ferricyanide Titration Method

SUBPART BA. GLASS MANUFACTURING

§ 307.3601. Insulation Fiberglass

§ 307.3602. Sheet Glass Manufacturing

§ 307.3603. Rolled Glass Manufacturing

§ 307.3604. Plate Glass Manufacturing

§ 307.3605. Float Glass Manufacturing

§ 307.3606. Automotive Glass Tempering

§ 307.3607. Automotive Glass Laminating

§ 307.3608. Glass Container Manufacturing

§ 307.3610. Glass Tubing (Danner) Manufacturing

§ 307.3611. Television Picture Tube Envelope Manufacturing

§ 307.3612. Incandescent Lamp Envelope Manufacturing

§ 307.3613. Hand Pressed and Blown Glass Manufacturing

SUBPART BB. ASBESTOS MANUFACTURING

§ 307.3701. Asbestos-Cement Pipe

§ 307.3702. Asbestos-Cement Sheet

§ 307.3703. Asbestos Paper (Starch Binder)

§ 307.3704. Asbestos Paper (Elastomeric Binder)

§ 307.3705. Asbestos Millboard

§ 307.3706. Asbestos Roofing

§ 307.3707. Asbestos Floor Tile

§ 307.3708. Coating or Finishing of Asbestos Textiles

§ 307.3709. Solvent Recovery

§ 307.3710. Vapor Absorption

§ 307.3711. Wet Dust Collection

SUBPART BC. RUBBER MANUFACTURING

§ 307.3801. Tire and Inner Tube Plants

§ 307.3802. Emulsion Crumb Rubber

§ 307.3803. Solution Crumb Rubber

§ 307.3804. Latex Rubber

§ 307.3805. Small-Sized General Molded, Extruded, and Fabricated Rubber Plants

§ 307.3806. Medium-Sized General Molded, Extruded, and Fabricated Rubber Plants

§ 307.3807. Large-Sized General Molded, Extruded, and Fabricated Rubber Plants

§ 307.3808. Wet Digestion Reclaimed Rubber

§ 307.3809. Pan, Dry Digestion, and Mechanical Reclaimed Rubber

§ 307.3810. Latex-Dipped, Latex-Extruded, and Latex-Molded Rubber

§ 307.3811. Latex Foam

SUBPART BD. TIMBER PRODUCTS PROCESSING

§ 307.3900. General Provisions

§ 307.3901. Barking

§ 307.3902. Veneer

§ 307.3903. Plywood

§ 307.3904. Dry Process Hardboard

§ 307.3905. Wet Process Hardboard

§ 307.3906. Wood Preserving – Waterborne or Non-Pressure

§ 307.3907. Wood Preserving – Steam

§ 307.3908. Wood Preserving – Boulton

§ 307.3909. Wet Storage

§ 307.3910. Log Washing

§ 307.3911. Sawmills and Planing Mills

§ 307.3912. Finishing

§ 307.3913. Particleboard Manufacturing

§ 307.3914. Insulation Board

§ 307.3915. Wood Furniture and Fixture Production without Water Wash Spray Booths or without Laundry Facilities

§ 307.3916. Wood Furniture and Fixture Production with Water Wash Spray Booths or with Laundry Facilities

SUBPART BE. PULP, PAPER AND PAPERBOARD

§ 307.4000. General Provisions

§ 307.4001. Dissolving Kraft

§ 307.4002. Bleached Papergrade Kraft and Soda

§ 307.4003. Unbleached Kraft

§ 307.4004. Dissolving Sulfite

§ 307.4005. Papergrade Sulfite

§ 307.4006. Semi-Chemical

§ 307.4007. Mechanical Pulp

§ 307.4008. Non-Wood Chemical Pulp

§ 307.4009. Secondary Fiber Deink

§ 307.4010. Secondary Fiber Non-Deink

§ 307.4011. Fine and Lightweight Papers from Purchased Pulp

§ 307.4012. Tissue, Filter, Non-Woven, and Paperboard from Purchased Pulp

§ 307.4013. Groundwood-Thermo-Mechancial [Repealed]

§ 307.4014. Groundwood-CMN Papers [Repealed]

§ 307.4015. Groundwood-Fine Papers [Repealed]

§ 307.4016. Soda [Repealed]

§ 307.4017. Deink [Repealed]

§ 307.4018. Nonintegrated-Fine Papers [Repealed]

§ 307.4019. Nonintegrated-Tissue Papers [Repealed]

§ 307.4020. Tissue From Wastepaper [Repealed]

§ 307.4021. Papergrade Sulfite (Drum Wash) [Repealed]

§ 307.4022. Unbleached Kraft and Semi-Chemical [Repealed]

§ 307.4023. Wastepaper-Molded Products [Repealed]

§ 307.4024. Nonintegrated-Lightweight Papers [Repealed]

§ 307.4025. Nonintegrated-Filter and Nonwoven Papers [Repealed]

§ 307.4026. Nonintegrated-Paperboard [Repealed]

SUBPART BF. BUILDERS' PAPER AND BOARD MILLS [Repealed]

§ 307.4101. Builder's Paper and Roofing Felt [Repealed]

SUBPART BG. MEAT PRODUCTS

§ 307.4201. Simple Slaughterhouse

§ 307.4202. Complex Slaughterhouse

§ 307.4203. Low-Processing Packinghouse

§ 307.4204. High-Processing Packinghouse

§ 307.4205. Small Processor

§ 307.4206. Meat Cutter

§ 307.4207. Sausage and Luncheon Meats Processor

§ 307.4208. Ham Processor

§ 307.4209. Canned Meats Processor

§ 307.4210. Renderer

SUBPART BH. METAL FINISHING

§ 307.4300. General Provisions

§ 307.4301. Metal Finishing

SUBPART BJ. OIL AND GAS EXTRACTION

§ 307.4503. Onshore Facility Standards

§ 307.4508. Coalbed Methane Subcategory

SUBPART BL. CENTRALIZED WASTE TREATMENT

§ 307.4700. General Provisions

§ 307.4701. Metals Treatment and Recovery

§ 307.4702. Oils Treatment and Recovery

§ 307.4703. Organics Treatment and Recovery

§ 307.4704. Multiple Waste Streams

SUBPART BN. PHARMACEUTICAL MANUFACTURING

§ 307.4900. General Provisions

§ 307.4901. Fermentation Products

§ 307.4902. Extraction Products

§ 307.4903. Chemical Synthesis Products

§ 307.4904. Mixing/Compounding and Formulation

§ 307.4905. Research [Repealed]

SUBPART BP. DENTAL OFFICES

§ 307.5100. Dental Offices

SUBPART BQ. TRANSPORTATION EQUIPMENT CLEANING

§ 307.5200. General Provisions

§ 307.5201. Tank Trucks and Intermodal Tank Containers Transporting Chemical and Petroleum Cargos

§ 307.5202. Rail Tank Cars Transporting Chemical and Petroleum Cargos

§ 307.5203. Tank Barges and Ocean/Sea Tankers Transporting Chemical and Petroleum Cargos

§ 307.5204. Tanks Transporting Food Grade Cargos

SUBPART BR. PAVING AND ROOFING MATERIALS (TARS AND ASPHALT)

§ 307.5301. Asphalt Emulsion

§ 307.5302. Asphalt Concrete

§ 307.5303. Asphalt Roofing

§ 307.5304. Linoleum and Printed Asphalt Felt

SUBPART BS. WASTE COMBUSTORS

§ 307.5401. Commercial Hazardous Waste Combustor

SUBPART BT. LANDFILLS

§ 307.5500. General Provisions

§ 307.5501. RCRA Subtitle C Hazardous Waste Landfill

§ 307.5502. RCRA Subtitle D Non-Hazardous Waste Landfill

SUBPART BU. PAINT FORMULATING

§ 307.5601. Oil-Base Solvent Wash Paint

SUBPART BV. INK FORMULATING

§ 307.5701. Oil-Base Solvent Wash Ink

SUBPART CD. PESTICIDE CHEMICALS

§ 307.6500. General Provisions

§ 307.6501. Organic Pesticide Chemicals Manufacturing

§ 307.6502. Metallo-Organic Pesticides Chemicals Manufacturing

§ 307.6503. Pesticide Chemicals Formulating and Packaging

§ 307.6505. Repackaging of Agricultural Pesticides Performed at Refilling Establishments

SUBPART CG. CARBON BLACK MANUFACTURING

§ 307.6801. Carbon Black Furnace Process

§ 307.6802. Carbon Black Thermal Process

§ 307.6803. Carbon Black Channel Process

§ 307.6804. Carbon Black Lamp Process

SUBPART CJ. BATTERY MANUFACTURING

§ 307.7100. General Provisions

§ 307.7101. Cadmium

§ 307.7102. Calcium

§ 307.7103. Lead

§ 307.7104. Leclanche

§ 307.7105. Lithium

§ 307.7106. Magnesium

§ 307.7107. Zinc

SUBPART CL. PLASTICS MOLDING AND FORMING

§ 307.7300. General Provisions

§ 307.7301. Contact Cooling and Heating Water

§ 307.7302. Cleaning Water

§ 307.7303. Finishing Water

SUBPART CM. METAL MOLDING AND CASTING

§ 307.7400. General Provisions

§ 307.7401. Aluminum Casting

§ 307.7402. Copper Casting

§ 307.7403. Ferrous Casting

§ 307.7404. Zinc Casting

SUBPART CN. COIL COATING

§ 307.7500. General Provisions

§ 307.7501. Steel Basis Material

§ 307.7502. Galvanized Basis Material

§ 307.7503. Aluminum Basis Material

§ 307.7504. Canmaking

SUBPART CO. PORCELAIN ENAMELING

§ 307.7600. General Provisions

§ 307.7601. Steel Basis Material

§ 307.7602. Cast Iron Basis Material

§ 307.7603. Aluminum Basis Material

§ 307.7604. Copper Basis Material

SUBPART CP. ALUMINUM FORMING

§ 307.7700. General Provisions

§ 307.7701. Rolling With Neat Oils

§ 307.7702. Rolling With Emulsions

§ 307.7703. Extrusion

§ 307.7704. Forging

§ 307.7705. Drawing With Neat Oils

§ 307.7706. Drawing With Emulsions or Soaps

SUBPART CQ. COPPER FORMING

§ 307.7800. General Provisions

§ 307.7801. Copper Forming

§ 307.7802. Beryllium Copper Forming

SUBPART CR. ELECTRICAL AND ELECTRONIC COMPONENTS

§ 307.7901. Semiconductor

§ 307.7902. Electronic Crystals

§ 307.7903. Cathode Ray Tube

§ 307.7904. Luminescent Materials

SUBPART CT. NONFERROUS METALS FORMING AND METAL POWDERS

§ 307.8100. General Provisions

§ 307.8101. Lead-Tin-Bismuth Forming

§ 307.8102. Magnesium Forming

§ 307.8103. Nickel-Cobalt Forming

§ 307.8104. Precious Metals Forming

§ 307.8105. Refractory Metals Forming

§ 307.8106. Titanium Forming

§ 307.8107. Uranium Forming

§ 307.8108. Zinc Forming

§ 307.8109. Zirconium-Hafnium Forming

§ 307.8110. Metal Powders

§ 307.APPENDIX A. References to Previous Rules [Repealed]

SOURCE: Adopted in R70-5, March 31, 1971; amended in R70-8/R71-14/R71-20, March 7, 1972; amended in R74-3, October 30, 1975; amended in R74-15/R74-16 at 2 Ill. Reg. 44, p. 151, effective November 2, 1978; amended in R76-17 at 2 Ill. Reg. 45, p. 101, effective November 5, 1978; amended in R76-21 at 6 Ill. Reg. 563, effective December 24, 1981; codified at 6 Ill. Reg. 7818; amended in R82-5/R82-10 at 8 Ill. Reg. 1625, effective January 18, 1984; amended in R86-44 at 12 Ill. Reg. 2592, effective January 13, 1988; amended in R88-11 at 12 Ill. Reg. 13094, effective July 29, 1988; amended in R88-18 at 13 Ill. Reg. 1794, effective January 31, 1989; amended in R89-3 at 13 Ill. Reg. 19288, effective November 17, 1989; amended in R88-9 at 14 Ill. Reg. 3100, effective February 20, 1990; amended in R89-12 at 14 Ill. Reg. 7620, effective May 8, 1990; amended in R91-5 at 16 Ill. Reg. 7377, effective April 27, 1992; amended in R93-2 at 17 Ill. Reg. 19483, effective October 29, 1993; amended in R94-10 at 19 Ill. Reg. 9142, effective June 23, 1995; amended in R95-22 at 20 Ill. Reg. 5549, effective April 1, 1996; amended in R97-23 at 21 Ill. Reg. 11930, effective August 12, 1997; amended in R99-4 at 23 Ill. Reg. 4413, effective March 31, 1999; amended in R99-17 at 23 Ill. Reg. 8421, effective July 12, 1999; amended in R00-15 at 24 Ill. Reg. 11640, effective July 24, 2000; amended in R01-5 at 25 Ill. Reg. 1735, effective January 11, 2001; amended in R01-25 at 25 Ill. Reg. 10867, effective August 14, 2001; amended in R03-13 at 27 Ill. Reg. 15095, effective September 10, 2003; amended in R04-1 at 28 Ill. Reg. 3076, effective February 6, 2004; amended in R04-18 at 28 Ill. Reg. 10661, effective July 13, 2004; amended in R05-4/R05-15 at 29 Ill. Reg. 6921, effective April 26, 2005; amended in R06-13 at 30 Ill. Reg. 17811, effective October 26, 2006; amended in R08-5/R08-7/R08-13 at 32 Ill. Reg. 18986, effective November 26, 2008; amended in R13-7 at 37 Ill. Reg. 1936, effective February 4, 2013; amended in R16-9 and R17-8 at 41 Ill. Reg. 1129, effective January 23, 2017; amended in R18-6/R18-14 at 42 Ill. Reg. 10676, effective May 29, 2018; amended in R21-15 at 45 Ill. Reg. 8035, effective June 21, 2021; amended in R18-23 at 47 Ill. Reg. 4662, effective March 23, 2023.