SDAPCD RULE X-OOO STDS.OF PERF.FOR NONMETTALC.MIN.PROC.PLTS. LAST REVISED 03/19/87 SUBPART OOO - Standards of Performance for Nonmetallic Mineral Processing Plants (Delegation Effective 3/19/87) RULE 260.70. APPLICABILITY AND DESIGNATION OF AFFECTED FACILITY (a) Except as provided in Sections(b), (c), and (d) of this rule, the provisions of this subpart are applicable to the following affected facilities in fixed or portable nonmetallic mineral processing plants: each crusher, grinding mill, screening operation, bucket elevator, belt conveyor, bagging operation, storage bin, enclosed truck or railcar loading station. (b) An affected facility that is subject to the provisions of Subpart I or that follows in the plant process any facility subject to the provisions of Subpart I of this Regulation is not subject to the provisions of this subpart. (c) Facilities at the following plants are not subject to the provisions of this subpart: (1) Fixed sand and gravel plants and crushed stone plants with capacities, as defined in Rule 260.671, of 23 megagrams per hour (25 tons per hour) or less; (2) Portable sand and gravel plants and crushed stone plants with capacities, as defined in Rule 260.671, of 136 megagrams per hour (150 tons per hour) or less; and (3) Common clay plants and pumice plants with capacities, as defined in Rule 260.671, of 9 megagrams per hour (10 tons per hour) or less. There are no lower capacity exemptions for plants that process the nonmetallic minerals listed in Rule 260.671(o)(4) through (o)(6) and (o)(8) through (o)(18). (d) (1) When an existing facility is replaced by a piece of equipment of equal or smaller size, as defined in Rule 260.671, having the same function as the existing facility, the new facility is exempt from the provisions of Rule 260.672, 260.674 and 260.675 except as provided for in Subsection (d)(3) of this section. (2) An owner or operator seeking to comply with this section shall comply with the reporting requirements of Rule 260.676, Sections (a) and (b). (3) An owner or operator replacing all existing facilities in a production line with new facilities does not qualify for the exemption described in Subsection (d)(1) of this section and must comply with the provisions of Rules 260.672, 260.674 and 260.675. (4) An affected facility under Section (a) of this rule that commences construction, reconstruction, or modification after August 31, 1983 is subject to the requirements of this rule. RULE 260.671. DEFINITIONS All terms used in this subpart, but not specifically defined in this rule shall have the meaning given them in the Act and in Subpart A of this Regulation. (a) "Bagging Operation" means mechanical process by which bags are filled with nonmetallic minerals. (b) "Belt Conveyor" means a conveying device that transports material from one location to another by means of an endless belt that is carried on a series of idlers and routed around a pulley at each end. (c) "Bucket Elevator" means a conveying device of nonmetallic minerals consisting of a head and foot assembly which supports and drives an endless single or double strand chain or belt to which buckets are attached. (d) "Building" means any frame structure with a roof. (e) "Capacity" means the cumulative rated capacity of all initial crushers that are part of the plant. (f) "Capture System" means the equipment (including enclosures, hoods, ducts, fans, dampers, etc) used to capture and transport particulate matter generated by one or more process operations to a control device. (g) "Control Device" means the air pollution control equipment used to reduce particulate matter emissions released to the atmosphere from one or more process operations at a nonmetallic mineral processing plant. (h) "Conveying System" means a device for transporting materials from one piece of equipment or location to another location within a plant. Conveying systems include but are not limited to the following: feeders, belt conveyors, bucket elevators and pneumatic systems. (i) "Crusher" means a machine used to crush any nonmetallic minerals, and includes, but is not limited to, the following types: jaw, gyratory, cone, roll, rod mill, hammermill, and impactor. (j) "Enclosed Truck or Railcar Loading Station" means that portion of a nonmetallic mineral processing plant where nonmetallic minerals are loaded by an enclosed conveying system into enclosed trucks or railcars. (k) "Fixed Plant" means any nonmetallic mineral processing plant at which the processing equipment specified in Rule 260.670 (a) is attached by a cable, chain, turnbuckle, bolt or other means (except electrical connections) to any anchor, slab, or structure including bedrock. (l) "Fugitive Emission" means particulate matter that is not collected by a capture system and is released to the atmosphere at the point of generation. (m) "Grinding Mill" means a machine used for the wet or dry fine crushing of any nonmetallic mineral. Grinding mills include, but are not limited to the following types: hammer, roller, rod, pebble and ball, and fluid energy. The grinding mill includes the air conveying system, air separator, or air classifier, where such systems are used. (n) "Initial Crusher" means any crusher into which nonmetallic minerals can be fed without prior crushing in the plant. (o) "Nonmetallic Mineral" means any of the following minerals or any mixture of which the majority is any of the following minerals: (1) Crushed and Broken Stone, including Limestone, Dolomite, Granite, Traprock, Sandstone, Quartz, Quartzite, Marl, Marble, Slate, Shale, Oil Shale, and Shell (2) Sand and Gravel (3) Clay including Kaolin, Fireclay, Bentonite, Fuller's Earth, Ball Clay, and Common Clay (4) Rock Salt (5) Gypsum (6) Sodium Compounds, including Sodium Carbonate, Sodium Chloride, and Sodium Sulfate (7) Pumice (8) Gilsonite (9) Talc and Pyrophyllite (10) Boron, including Borax, Kernite, and Colemanite (11) Barite (12) Fluorospar (13) Feldspar (14) Diatomite (15) Perlite (16) Vermiculite (17) Mica (18) Kyanite, including Andalusite, Sillimanite, Topaz, and Dumortierite (p) "Nonmetallic Mineral Processing Plant" means any combination of equipment that is used to crush or grind any nonmetallic mineral wherever located, including lime plants, power plants, steel mills, asphalt concrete plants, or any other facility processing nonmetallic minerals except as provided in Rule 260.670 (b) and (c). (q) "Portable Plant" means any nonmetallic mineral processing plant that is mounted on any chassis or skids and may be moved by the application of a lifting or pulling force. In addition, there shall be no cable, chain, turnbuckle, bolt or other means (except electrical connections) by which any piece of equipment is attached or clamped to any anchor, slab, or structure, including bedrock that must be removed prior to the application of a lifting or pulling force for the purpose of transporting the unit. (r) "Production Line" means all affected facilities (crushers, grinding mills, screening operations, bucket elevators, belt conveyors, bagging operations, storage bins, and enclosed truck and railcar loading stations) which are directly connected or are connected together by a conveying system. (s) "Screening Operation" means a device for separating material according to size by passing undersize material through one or more mesh surfaces (screens) in series, and retaining oversize material on the mesh surfaces (screens). (t) "Size" means the rated capacity in tns per hour of a crusher, grinding mill, bucket elevator, bagging operation, or enclosed truck or railcar loading station; the total surface area of the top screen of a screening operation; the width of a conveyor belt; and the rated capacity in tons of a storage bin. (u) "Stack Emission" means the particulate matter that is released to the atmosphere from a capture system. (v) "Storage Bin" means a facility for storage (including surge bins) of nonmetallic minerals prior to further processing or loading. (w) "Transfer Point" means a point in a conveying operation where the nonmetallic mineral is transferred to or from a belt conveyor except where the nonmetallic mineral is being transferred to a stockpile. (x) "Truck Dumping" means the unloading of nonmetallic minerals from movable vehicles designed to transport nonmetallic minerals from one location to another. Movable vehicles include but are not limited to: trucks, front end loaders, skip hoists, and railcars. (y) "Vent" means an opening through which there is mechanically induced air flow for the purpose of exhausting from a building air carrying particulate matter emissions from one or more affected facilities. RULE 260.672. STANDARD FOR PARTICULATE MATTER (a) On and after the date on which the performance test required by Rule 260.8 of Subpart A is completed, no owner or operator subject to the provisions of this subpart shall cause to be discharged into the atmosphere from any transfer point on belt conveyors or from any other affected facility any stack emissions which: (1) Contain particulate matter in excess of 0.02 gr/dscf (0.05 g/dscm); or (2) Exhibit greater than 7 percent opacity, unless the stack emissions are discharged from an affected facility using a wet scrubbing control device. Facilities using a wet scrubber must comply with the reporting provisions of Rule 260.676(c), (d), and (e). (b) On and after the 60th day after achieving the maximum production rate at which the affected facility will be operated, but not later than 180 days after initial startup, no owner or operator subject to the provisions of this subpart shall cause to be discharged into the atmosphere from any transfer point on belt conveyors or from any other affected facility any fugitive emissions which exhibit greater than 10 percent opacity, except as provided in Sections (c), (d), and (e) of this rule. (c) On and after the 60th day after achieving the maximum production rate at which the affected facility will be operated, but not later than 180 days after initial startup, no owner or operator shall cause to be discharged into the atmosphere from any crusher, at which a capture system is not used, fugitive emissions which exhibit greater than 15 percent opacity. (d) Truck dumping of nonmetallic minerals into any screening operation, feed hopper, or crusher is exempt from the requirements of this rule. (e) If any transfer point on a conveyor belt or any other affected facility is enclosed in a building, then each enclosed affected facility must comply with the emission limits in Sections (a), (b) and (c) of this rule, or the building enclosing the affected facility or facilities must comply with the following emission limits. (1) No owner or operator shall cause to be discharged into the atmosphere from any building enclosing any transfer point on a conveyor belt or any other affected facility any visible fugitive emissions except emissions from a vent as defined in Rule 260.671. (2) No owner or operator shall cause to be discharged into the atmosphere from any vent of any building enclosing any transfer point on a conveyor belt or any other affected facility emissions which exceed the stack emissions limits in Section (a) of this rule. RULE 260.673. RECONSTRUCTION (a) The cost of replacement of ore-contact surfaces on processing equipment shall not be considered in calculating either the "fixed capital cost of the new components" or the "fixed capital cost that would be required to construct a comparable new facility" under Rule 260.15. Ore-contact surfaces are crushing surfaces; screen meshes, bars, and plates; conveyor belts; and elevator buckets. (b) Under Rule 260.15, the "fixed capital cost of the new components" includes the fixed capital cost of all depreciable components (except components specified in Section (a) of this rule) which are or will be replaced pursuant to all continuous programs of component replacement commenced within any 2-year period following August 31, 1983. RULE 260.674. MONITORING OF OPERATIONS The owner or operator of any affected facility subject to the provisions of this subpart which uses a wet scrubber to control emissions shall install, calibrate, maintain and operate the following monitoring devices: (a) A device for the continuous measurement of the pressure loss of the gas stream through the scrubber. The monitoring device must be certified by the manufacturer to be accurate within ñ250 pascals (ñ1 inch water gauge pressure) and must be calibrated on an annual basis in accordance with manufacturer's instructions. (b) Devices for the continuous measurements of the scrubbing liquid flow rate and supply pressure to the wet scrubber. The monitoring devices must be certified by the manufacturer to be accurate within ñ5 percent of design scrubbing liquid flow rte or supply pressure, depending on use, and must be calibrated on an annual basis in accordance with manufacturer's instructions. RULE 260.675. TEST METHODS AND PROCEDURES Performance tests shall be conducted as specified in Part 60, Chapter I, Title 40, Code of Federal Regulations, Section 60.675. RULE 260.676. REPORTING AND RECORDKEEPING (a) Each owner or operator seeking to comply with Rule 260.670(d) shall submit to the Control Officer the following information about the existing facility being replaced and the replacement piece of equipment. (1) For a crusher, grinding mill, bucket elevator, bagging operation, or enclosed truck or railcar loading station: (i) The rated capacity in tons per hour of the existing facility being replaced, and (ii) The rated capacity in tons per hour of the replacement equipment. (2) For a screening operation: (i) The total surface area of the top screen of the existing screening operation being replaced, and (ii) The total surface area of the top screen of the replacement screening operation. (3) For a conveyor belt: (i) The width of the existing belt being replaced, and (ii) The width of the replacement conveyor belt. (4) For a storage bin: (i) The rated capacity in tons of the existing storage bin being replaced, and (ii) the rated capacity in tons of replacement storage bins. (b) Each owner or operator seeking to comply with Rule 260.670(d) shall submit the following data to the Control Officer: (1) The information described in Rule 260.676(a), (2) A description of the control device used to reduce particulate matter emissions from the existing facility and a list of all other pieces of equipment controlled by the same control devices, and (3) The estimated age of the existing facility. (c) During the initial performance test of a wet scrubber, and daily thereafter, the owner or operator shall record the measurements of the change in pressure of the gas stream across the scrubber, the scrubbing liquid flow rate, and the scrubber liquid supply pressure. (d) After the initial performance test of a wet scrubber, the owner or operator shall submit semiannual reports to the Control Officer of occurrences when the measurements of the scrubber pressure loss (or gain), liquid flow rate, or liquid supply pressure differ by more than ñ30 percent from those measurements recorded during the most recent performance test.