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Environmental Protection Agency § 63.2292

(c) For each CEMS, you must keep then that agency has the authority to the following records. implement and enforce this subpart. (1) Records described in You should contact your EPA Regional § 63.10(b)(2)(vi) through (xi). Office to find out if this subpart is dele- (2) Previous (i.e., superseded) gated to your State, local, or tribal versions of the performance evaluation agency. plan as required in § 63.8(d)(3). (b) In delegating implementation and (3) Request for alternatives to rel- enforcement authority of this subpart ative accuracy testing for CEMS as re- to a State, local, or tribal agency quired in § 63.8(f)(6)(i). under 40 CFR part 63, subpart E, the (4) Records of the date and time that authorities contained in paragraph (c) each deviation started and stopped, and of this section are retained by the EPA whether the deviation occurred during Administrator and are not transferred a period of startup, shutdown, or mal- to the State, local, or tribal agency. function or during another period. (c) The authorities that will not be (d) If you comply with the emissions delegated to State, local, or tribal averaging compliance option in agencies are listed in paragraphs (c)(1) § 63.2240(c), you must keep records of all through (4) of this section. information required to calculate emis- (1) Approval of alternatives to the sion debits and credits. compliance options, operating require- (e) If you operate a catalytic oxi- ments, and work practice requirements dizer, you must keep records of annual in §§ 63.2240 and 63.2241 as specified in catalyst activity checks and subse- § 63.6(g). For the purposes of delegation quent corrective actions. authority under 40 CFR part 63, sub- part E, ‘‘compliance options’’ represent § 63.2283 In what form and how long ‘‘emission limits’’; ‘‘operating require- must I keep my records? ments’’ represent ‘‘operating limits’’; (a) Your records must be in a form and ‘‘work practice requirements’’ rep- suitable and readily available for expe- resent ‘‘work practice standards.’’ ditious review as specified in (2) Approval of major alternatives to § 63.10(b)(1). test methods as specified in (b) As specified in § 63.10(b)(1), you § 63.7(e)(2)(ii) and (f) and as defined in must keep each record for 5 years fol- § 63.90. lowing the date of each occurrence, (3) Approval of major alternatives to measurement, maintenance, corrective monitoring as specified in § 63.8(f) and action, report, or record. as defined in § 63.90. (c) You must keep each record on site (4) Approval of major alternatives to for at least 2 years after the date of recordkeeping and reporting as speci- each occurrence, measurement, main- fied in § 63.10(f) and as defined in § 63.90. tenance, corrective action, report, or record according to § 63.10(b)(1). You [69 FR 46011, July 30, 2004, as amended at 72 can keep the records offsite for the re- FR 61063, Oct. 29, 2007] maining 3 years. § 63.2292 What definitions apply to this subpart? OTHER REQUIREMENTS AND INFORMATION Terms used in this subpart are de- § 63.2290 What parts of the General fined in the Clean Air Act (CAA), in 40 Provisions apply to me? CFR 63.2, the General Provisions, and Table 10 to this subpart shows which in this section as follows: parts of the General Provisions in Affected source means the collection §§ 63.1 through 63.13 apply to you. of dryers, refiners, blenders, formers, presses, board coolers, and other proc- § 63.2291 Who implements and en- ess units associated with the manufac- forces this subpart? turing of and composite (a) This subpart can be implemented products. The affected source includes, and enforced by the U.S. EPA or a dele- but is not limited to, green end oper- gated authority such as your State, ations, refining, drying operations (in- local, or tribal agency. If the EPA Ad- cluding any combustion unit exhaust ministrator has delegated authority to stream routinely used to direct fire your State, local, or tribal agency, process unit(s)), resin preparation,

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blending and forming operations, press- quent recovery. Control devices in- ing and board cooling operations, and clude, but are not limited to, thermal miscellaneous finishing operations or catalytic oxidizers, combustion (such as sanding, sawing, patching, units that incinerate process exhausts, edge sealing, and other finishing oper- biofilters, and condensers. ations not subject to other NESHAP). Control system or add-on control system The affected source also includes on- means the combination of capture and site storage of raw materials used in control devices used to reduce HAP the manufacture of plywood and/or emissions to the atmosphere. composite wood products, such as res- Conveyor strand dryer means a con- ins; onsite wastewater treatment oper- veyor dryer used to reduce the mois- ations specifically associated with ply- ture of wood strands used in the manu- wood and composite wood products facture of oriented strandboard, lami- manufacturing; and miscellaneous nated strand , or other wood coating operations (defined elsewhere strand-based products. A conveyor in this section). The affected source in- strand dryer is a process unit. cludes lumber kilns at PCWP manufac- Conveyor strand dryer zone means turing facilities and at any other kind each portion of a conveyor strand dryer of facility. with a separate heat exchange system means the of Agricultural fiber and exhaust vent(s). Conveyor strand an annual agricultural crop. Examples dryers contain multiple zones (e.g., of agricultural include, but are three zones), which may be divided into not limited to, wheat straw, rice straw, multiple sections. and bagasse. means any instance in Biofilter means an enclosed control Deviation system such as a tank or series of which an affected source subject to this tanks with a fixed roof that contact subpart, or an owner or operator of emissions with a solid media (such as such a source: bark) and use microbiological activity (1) Fails to meet any requirement or to transform organic pollutants in a obligation established by this subpart process exhaust stream to innocuous including, but not limited to, any com- compounds such as carbon dioxide, pliance option, operating requirement, water, and inorganic salts. Wastewater or work practice requirement; treatment systems such as aeration la- (2) Fails to meet any term or condi- goons or activated sludge systems are tion that is adopted to implement an not considered to be biofilters. applicable requirement in this subpart, Capture device means a hood, enclo- and that is included in the operating sure, or other means of collecting permit for any affected source required emissions into a duct so that the emis- to obtain such a permit; or sions can be measured. (3) Fails to meet any compliance op- Capture efficiency means the fraction tion, operating requirement, or work (expressed as a percentage) of the pol- practice requirement in this subpart lutants from an emission source that during startup, shutdown, or malfunc- are collected by a capture device. tion, regardless of whether or not such Catalytic oxidizer means a control sys- failure is permitted by this subpart. A tem that combusts or oxidizes, in the deviation is not always a violation. presence of a catalyst, exhaust gas The determination of whether a devi- from a process unit. Catalytic oxidizers ation constitutes a violation of the include regenerative catalytic standard is up to the discretion of the oxidizers and thermal catalytic entity responsible for enforcement of oxidizers. the standards. Combustion unit means a dryer burn- Direct-fired process unit means a proc- er, process heater, or boiler. Combus- ess unit that is heated by the passing tion units may be used for combustion of combustion exhaust through the of organic HAP emissions. process unit such that the process ma- Control device means any equipment terial is contacted by the combustion that reduces the quantity of HAP emit- exhaust. ted to the air. The device may destroy Dryer heated zones means the zones of the HAP or secure the HAP for subse- a veneer dryer or fiberboard

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mat dryer that are equipped with heat- or operates with an inlet temperature ing and hot air circulation units. The of greater than 600 °F with any inlet cooling zone(s) of the dryer through moisture content. A green rotary dryer which ambient air is blown are not is a process unit. part of the dryer heated zones. Group 1 miscellaneous coating oper- Dry forming means the process of ations means application of edge seals, making a mat of resinated fiber to be lines, logo (or other information) compressed into a reconstituted wood , shelving edge fillers, trademark/ product such as particleboard, oriented gradestamp inks, and wood putty strandboard, medium density fiber- patches to plywood and composite board, or . wood products (except kiln-dried lum- Dry rotary dryer means a rotary dryer ber) on the same site where the ply- that dries wood particles or fibers with wood and composite wood products are a maximum inlet moisture content of manufactured. Group 1 miscellaneous less than or equal to 30 percent (by coating operations also include appli- weight, dry basis) and operates with a cation of synthetic patches to plywood maximum inlet temperature of less at new affected sources. than or equal to 600 °F. A dry rotary Hardboard means a composite panel dryer is a process unit. composed of inter-felted cellulosic fi- product means a bers made by dry or wet forming and product made with lumber, veneers, pressing of a resinated fiber mat. Hard- strands of wood, or from other small board generally has a density of 0.50 wood elements that are bound together grams per cubic centimeter (31.5 with resin. Engineered wood products pounds per cubic foot) or greater. include, but are not limited to, lami- Hardboard oven means an oven used nated strand lumber, laminated veneer to heat treat or temper hardboard after lumber, parallel strand lumber, wood I- hot pressing. Humidification chambers , and glue-laminated beams. are not considered as part of hardboard Fiber means the discrete elements of ovens. A hardboard oven is a process wood or similar cellulosic material, unit. which are separated by mechanical means the wood of a broad- means, as in refining, that can be leafed tree, either deciduous or ever- formed into boards. green. Examples of include, Fiberboard means a composite panel but are not limited to, , , composed of cellulosic fibers (usually poplar, and . wood or agricultural material) made by Hardwood veneer dryer means a dryer wet forming and compacting a mat of that removes excess moisture from ve- fibers. Fiberboard density generally is neer by conveying the veneer through a less than 0.50 grams per cubic centi- heated medium on rollers, belts, ca- meter (31.5 pounds per cubic foot). bles, or wire mesh. Hardwood veneer Fiberboard mat dryer means a dryer dryers are used to dry veneer with less used to reduce the moisture of wet- than 30 percent softwood species on an formed wood fiber mats by applying annual volume basis. Veneer kilns that heat. A fiberboard mat dryer is a process operate as batch units, veneer dryers unit. heated by radio frequency or micro- Flame zone means the portion of the waves that are used to redry veneer, combustion chamber in a combustion and veneer redryers (defined elsewhere unit that is occupied by the flame en- in this section) that are heated by con- velope. ventional means are not considered to Furnish means the fibers, particles, be hardwood veneer dryers. A hardwood or strands used for making boards. veneer dryer is a process unit. Glue-laminated beam means a struc- Kiln-dried lumber means tural wood beam made by bonding lum- lumber that has been dried in a lumber ber together along its faces with resin. kiln. Green rotary dryer means a rotary Laminated strand lumber (LSL) means dryer that dries wood particles or fi- a composite product formed into a bil- bers with an inlet moisture content of let made of thin wood strands cut from greater than 30 percent (by weight, dry whole logs, resinated, and pressed to- basis) at any dryer inlet temperature gether with the grain of each strand

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oriented parallel to the length of the els is usually measured on a thickness finished product. basis, such as 3⁄8-inch, to define the (LVL) means total volume of panels. Equation 6 of a composite product formed into a bil- § 63.2262(j) shows how to convert from let made from layers of resinated wood one thickness basis to another. veneer sheets or pieces pressed to- Nondetect data means, for the pur- gether with the grain of each veneer poses of this subpart, any value that is aligned primarily along the length of below the method detection limit. the finished product. Laminated veneer Non-HAP coating means a coating lumber is also known as parallel strand with HAP contents below 0.1 percent by lumber (PSL). mass for Occupational Safety and Lumber means boards or planks sawed Health Administration-defined carcino- or split from logs or timber, including gens as specified in 29 CFR logs or timber processed for use as util- 1910.1200(d)(4), and below 1.0 percent by ity poles or other wood components. mass for other HAP compounds. Lumber can be either green (non-dried) 1-hour period means a 60-minute pe- or dried. Lumber is typically either riod. air-dried or kiln-dried. Oriented strandboard (OSB) means a Lumber kiln means an enclosed dryer composite panel produced from thin operated by applying heat to reduce wood strands cut from whole logs, the moisture content of lumber. formed into resinated layers (with the Medium density fiberboard (MDF) grain of strands in one layer oriented means a composite panel composed of perpendicular to the strands in adja- cellulosic fibers (usually wood or agri- cent layers), and pressed. cultural fiber) made by dry forming Oven-dried ton(s) (ODT) means tons of and pressing of a resinated fiber mat. wood dried until all of the moisture in Method detection limit means the min- the wood is removed. One oven-dried imum concentration of an analyte that ton equals 907 oven-dried kilograms. can be determined with 99 percent con- Parallel strand lumber (PSL) means a fidence that the true value is greater composite product formed into a billet than zero. made from layers of resinated wood ve- Miscellaneous coating operations neer sheets or pieces pressed together means application of any of the fol- with the grain of each veneer aligned lowing to plywood or composite wood primarily along the length of the fin- products: edge seals, moisture sealants, ished product. Parallel strand lumber is anti-skid coatings, company logos, also known as laminated veneer lumber trademark or grade stamps, nail lines, (LVL). synthetic patches, wood patches, wood Partial wood products enclosure means putty, concrete forming oils, glues for an enclosure that does not meet the de- veneer composing, and shelving edge sign criteria for a wood products enclo- fillers. Miscellaneous coating oper- sure as defined in this subpart. ations also include the application of Particle means a discrete, small piece primer to oriented strandboard of cellulosic material (usually wood or that occurs at the same site as ori- agricultural fiber) produced mechani- ented strandboard manufacture and ap- cally and used as the aggregate for a plication of asphalt, clay slurry, or ti- particleboard. tanium dioxide coatings to fiberboard Particleboard means a composite at the same site of fiberboard manufac- panel composed primarily of cellulosic ture. materials (usually wood or agricultural Molded particleboard means a shaped fiber) generally in the form of discrete composite product (other than a com- pieces or particles, as distinguished posite panel) composed primarily of from fibers, which are pressed together cellulosic materials (usually wood or with resin. agricultural fiber) generally in the Plywood means a panel product con- form of discrete pieces or particles, as sisting of layers of wood veneers hot distinguished from fibers, which are pressed together with resin. Plywood pressed together with resin. includes panel products made by hot MSF means thousand feet (92.9 pressing (with resin) veneers to a sub- square meters). Square footage of pan- strate such as particleboard, medium

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density fiberboard, or lumber. Plywood dryer. A primary tube dryer is a process products may be flat or curved. unit. Plywood and composite wood products Process unit means equipment classi- (PCWP) manufacturing facility means a fied according to its function such as a facility that manufactures plywood blender, dryer, press, former, or board and/or composite wood products by cooler. bonding wood material (fibers, par- Reconstituted wood product board cool- ticles, strands, veneers, etc.) or agri- er means a piece of equipment designed cultural fiber, generally with resin to reduce the temperature of a board under heat and pressure, to form a by means of forced air or convection panel, engineered wood product, or within a controlled time period after other product defined in § 63.2292. Ply- the board exits the reconstituted wood wood and composite wood products product press unloader. Board coolers manufacturing facilities also include include wicket and star type coolers facilities that manufacture dry veneer commonly found at medium density fi- and lumber kilns located at any facil- berboard and particleboard plants. ity. Plywood and composite wood prod- Board coolers do not include cooling ucts include, but are not limited to, sections of dryers (e.g., veneer dryers plywood, veneer, particleboard, molded or fiberboard mat dryers) or coolers in- particleboard, oriented strandboard, tegrated into or following hardboard hardboard, fiberboard, medium density bake ovens or humidifiers. A reconsti- fiberboard, laminated strand lumber, tuted wood product board cooler is a laminated veneer lumber, wood I- process unit. joists, kiln-dried lumber, and glue-lam- Reconstituted wood product press inated beams. means a press, including (if applicable) Press predryer means a dryer used to the press unloader, that presses a reduce the moisture and elevate the resinated mat of wood fibers, particles, temperature by applying heat to a wet- or strands between hot platens or hot formed fiber mat before the mat enters rollers to compact and set the mat into a hot press. A press predryer is a process a panel by simultaneous application of unit. heat and pressure. Reconstituted wood Pressurized refiner means a piece of product presses are used in the manu- equipment operated under pressure for facture of hardboard, medium density preheating (usually by steaming) wood fiberboard, particleboard, and oriented material and refining (rubbing or strandboard. Extruders are not consid- grinding) the wood material into fibers. ered to be reconstituted wood product Pressurized refiners are operated with presses. A reconstituted wood product continuous infeed and outfeed of wood press is a process unit. material and maintain elevated inter- Representative operating conditions nal pressures (i.e., there is no pressure means operation of a process unit dur- release) throughout the preheating and ing performance testing under the con- refining process. A pressurized refiner is ditions that the process unit will typi- a process unit. cally be operating in the future, includ- Primary tube dryer means a single- ing use of a representative range of ma- stage tube dryer or the first stage of a terials (e.g., wood material of a typical multi-stage tube dryer. Tube dryer species mix and moisture content or stages are separated by vents for re- typical resin formulation) and rep- moval of moist gases between stages resentative operating temperature (e.g., a product cyclone at the end of a range. single-stage dryer or between the first Resin means the synthetic adhesive and second stages of a multi-stage tube (including glue) or natural binder, in- dryer). The first stage of a multi-stage cluding additives, used to bond wood or tube dryer is used to remove the major- other cellulosic materials together to ity of the moisture from the wood fur- produce plywood and composite wood nish (compared to the moisture reduc- products. tion in subsequent stages of the tube Responsible official means responsible dryer). Blow-lines used to apply resin official as defined in 40 CFR 70.2 and 40 are considered part of the primary tube CFR 71.2.

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Rotary strand dryer means a rotary Startup, shutdown, and malfunction dryer operated by applying heat and plan (SSMP) means a plan developed used to reduce the moisture of wood according to the provisions of strands used in the manufacture of ori- § 63.6(e)(3). ented strandboard, laminated strand Strand means a long (with respect to lumber, or other wood strand-based thickness and width), flat wood piece products. A rotary strand dryer is a specially cut from a log for use in ori- process unit. ented strandboard, laminated strand Secondary tube dryer means the sec- lumber, or other wood strand-based ond stage and subsequent stages fol- product. lowing the primary stage of a multi- Temporary total enclosure (TTE) means stage tube dryer. Secondary tube dry- an enclosure constructed for the pur- ers, also referred to as relay dryers, op- pose of measuring the capture effi- erate at lower temperatures than the ciency of pollutants emitted from a primary tube dryer they follow. Sec- given source, as defined in Method 204 ondary tube dryers are used to remove of 40 CFR part 51, appendix M. only a small amount of the furnish Thermal oxidizer means a control sys- moisture compared to the furnish tem that combusts or oxidizes exhaust moisture reduction across the primary gas from a process unit. Thermal tube dryer. A secondary tube dryer is a oxidizers include regenerative thermal process unit. oxidizers and combustion units. Softwood means the wood of a conif- Total hazardous air pollutant emissions erous tree. Examples of in- means, for purposes of this subpart, the clude, but are not limited to, Southern sum of the emissions of the following yellow , Douglas , and White six compounds: acetaldehyde, acrolein, . , , phenol, and Softwood veneer dryer means a dryer propionaldehyde. that removes excess moisture from ve- Tube dryer means a single-stage or neer by conveying the veneer through a multi-stage dryer operated by applying heated medium, generally on rollers, heat to reduce the moisture of wood fi- belts, cables, or wire mesh. Softwood bers or particles as they are conveyed veneer dryers are used to dry veneer (usually pneumatically) through the with greater than or equal to 30 per- dryer. Resin may or may not be applied cent softwood species on an annual vol- to the wood material before it enters ume basis. Veneer kilns that operate as the tube dryer. Tube dryers do not in- batch units, veneer dryers heated by clude pneumatic fiber transport sys- radio frequency or microwaves that are tems that use temperature and humid- used to redry veneer, and veneer re- ity conditioned pneumatic system sup- dryers (defined elsewhere in this sec- ply air in order to prevent cooling of tion) that are heated by conventional the wood fiber as it is moved through means are not considered to be the process. A tube dryer is a process softwood veneer dryers. A softwood ve- unit. neer dryer is a process unit. Veneer means thin sheets of wood Startup means bringing equipment peeled or sliced from logs for use in the online and starting the production manufacture of wood products such as process. plywood, laminated veneer lumber, or Startup, initial means the first time other products. equipment is put into operation. Initial Veneer redryer means a dryer heated startup does not include operation by conventional means, such as direct solely for testing equipment. Initial wood-fired, direct-gas-fired, or steam startup does not include subsequent heated, that is used to redry veneer startups (as defined in this section) fol- that has been previously dried. Because lowing malfunction or shutdowns or the veneer dried in a veneer redryer following changes in product or be- has been previously dried, the inlet tween batch operations. Initial startup moisture content of the veneer enter- does not include startup of equipment ing the redryer is less than 25 percent that occurred when the source was an (by weight, dry basis). Batch units used area source. to redry veneer (such as redry cookers)

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are not considered to be veneer re- the enclosure, unless otherwise speci- dryers. A veneer redryer is a process fied by the EPA Administrator. unit. (2) The total area of all natural draft Wet control device means any equip- openings shall not exceed 5 percent of ment that uses water as a means of col- the surface area of the enclosure’s four lecting an air pollutant. Wet control walls, floor, and ceiling. devices include scrubbers, wet electro- (3) The average facial velocity of air static precipitators, and electrified fil- through all natural draft openings ter beds. Wet control devices do not in- shall be at least 3,600 meters per hour clude biofilters or other equipment (200 feet per minute). The direction of that destroys or degrades HAP. airflow through all natural draft open- Wet forming means the process of ings shall be into the enclosure. making a slurry of water, fiber, and ad- (4) All access doors and windows ditives into a mat of fibers to be com- whose areas are not included in item 2 pressed into a fiberboard or hardboard of this definition and are not included product. in the calculation of facial velocity in Wood I-joists means a structural wood item 3 of this definition shall be closed beam with an I-shaped cross section during routine operation of the proc- formed by bonding (with resin) wood or ess. laminated veneer lumber flanges onto (5) The enclosure is designed and a web cut from a panel such as plywood maintained to capture all emissions for or oriented strandboard. discharge through a control device. Wood products enclosure means a per- manently installed containment that Work practice requirement means any was designed to meet the following design, equipment, work practice, or physical design criteria: operational standard, or combination (1) Any natural draft opening shall be thereof, that is promulgated pursuant at least four equivalent opening diame- to section 112(h) of the CAA. ters from each HAP-emitting point, ex- [69 FR 46011, July 30, 2004, as amended at 71 cept for where board enters and exits FR 8372, Feb. 16, 2006]

TABLE 1A TO SUBPART DDDD OF PART 63—PRODUCTION-BASED COMPLIANCE OPTIONS

You must meet the fol- lowing production-based For the following process units . . . compliance option (total HAP a basis) . . .

(1) Fiberboard mat dryer heated zones (at new affected sources only) ...... 0.022 lb/MSF 1⁄2″. (2) Green rotary dryers ...... 0.058 lb/ODT. (3) Hardboard ovens ...... 0.022 lb/MSF 1⁄8″. (4) Press predryers (at new affected sources only) ...... 0.037 lb/MSF 1⁄2″. (5) Pressurized refiners ...... 0.039 lb/ODT. (6) Primary tube dryers ...... 0.26 lb/ODT. (7) Reconstituted wood product board coolers (at new affected sources only) ...... 0.014 lb/MSF 3⁄4″. (8) Reconstituted wood product presses ...... 0.30 lb/MSF 3⁄4″. (9) Softwood veneer dryer heated zones ...... 0.022 lb/MSF 3⁄8″. (10) Rotary strand dryers ...... 0.18 lb/ODT. (11) Secondary tube dryers ...... 0.010 lb/ODT.

a Total HAP, as defined in § 63.2292, includes acetaldehyde, acrolein, formaldehyde, methanol, phenol, and propionaldehyde. lb/ODT = pounds per oven-dried ton; lb/MSF = pounds per thousand square feet with a specified thickness basis (inches). Sec- tion 63.2262(j) shows how to convert from one thickness basis to another. NOTE: There is no production-based compliance option for conveyor strand dryers.

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