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.