and Designation of Sources
(a) The provisions
of this rule are applicable to each metallic arsenic production plant and to
each arsenic trioxide plant that processes low-grade arsenic bearing materials
by a roasting condensation process.
(a) ''Arsenic kitchen'' means a baffled brick
chamber where inorganic arsenic vapors are cooled, condensed, and removed in a
(b) ''Control device''
means the air pollution control equipment used to collect particulate matter
(c) ''Curtail'' means to
cease operations to the extent technically feasible to reduce
arsenic'' means the oxides and other noncarbon compounds of the element arsenic
included in particulate matter, vapors, and aerosols.
(e) ''Malfunction'' means any sudden failure
of air pollution control equipment or process equipment or of a process to
operate in a normal or usual manner so that emissions of inorganic arsenic are
(f) ''Opacity'' means
the degree to which emissions reduce the transmission of light.
(g) ''Primary emission control system'' means
the hoods, enclosures, ducts, and control devices used to capture, convey, and
remove particulate matter from exhaust gases which are captured directly at the
source of generation.
emissions'' means inorganic arsenic emissions that are captured and collected
in a primary emission control system.
(i) ''Roasting'' means the use of a furnace
to heat arsenic plant feed material for the purpose of eliminating a
significant portion of the volatile materials contained in the feed.
(j) ''Secondary emissions'' means inorganic
arsenic emissions that escape capture by a primary emission control
(k) ''Shutdown'' means the
cessation of operation of a stationary source for any purpose.
Standard for New and Existing
(a) Within 30 days after November 6,
l988, the owner or operator of each source to which this rule applies shall
identify and submit to the Technical Secretary a list of potential sources
(equipment and operations) of inorganic arsenic emissions.
The owner or operator shall submit a
description of an inspection, maintenance, and housekeeping plan for control of
inorganic arsenic emissions from the potential sources identified under
subparagraph (a) of this paragraph. This plan shall be submitted within 90 days
after November 6, l988. Approval of the plan will be granted by the Technical
Secretary provided he finds that:
achieves the following objectives in a manner that does not cause adverse
impacts in other environmental media:
Clean-up and proper disposal, wet-down, or chemical stabilization to the extent
practicable (considering access and safety) of any dry, dusty material having
an inorganic arsenic content greater than 2 percent that accumulates on any
surface within the plant boundaries outside of a dust-tight
(ii) Immediate clean-up
and proper disposal, wet-down, or chemical stabilization of spills of all dry,
dusty material having an inorganic arsenic content greater than 2
(iii) Minimization of
emissions of inorganic arsenic to the atmosphere during removal of inorganic
arsenic from the arsenic kitchen and from flue pulling operations by properly
handling, wetting down, or chemically stabilizing all dusts and materials
handled in these operations.
2. It includes an inspection program that
requires all process, conveying, and air pollution control equipment to be
inspected at least once per shift to ensure that the equipment is being
properly operated and maintained. The program will specify the evaluation
criteria and will use a standardized checklist, which will be included as part
of the plan required in subparagraph (b) of this paragraph, to document the
inspection, maintenance, and housekeeping status of the equipment and that the
objectives of subparagraph (b)1. of this paragraph are being
3. It includes a
systematic procedure for identifying malfunctions and for reporting them
immediately to supervisory personnel.
4. It specifies the procedures that will be
followed to ensure that equipment or process malfunctions due entirely or in
part to poor maintenance or other preventable conditions do not
It includes a program for
curtailing all operations necessary to minimize any increase in emissions of
inorganic arsenic to the atmosphere resulting from a malfunction. The program
(i) The specific steps that
will be taken to curtail each operation as soon as technically feasible after
the malfunction is discovered.
The minimum time required to curtail each operation.
(iii) The procedures that will be used to
ensure that the curtailment continues until after the malfunction is
(c) The owner or operator shall implement the
plan required in subparagraph (b) of this paragraph until otherwise specified
by the Technical Secretary.
all times, including periods of startup, shutdown, and malfunction, the owner
or operator of each source to which this rule applies shall operate and
maintain the source including associated air pollution control equipment in a
manner consistent with good air pollution control practice for minimizing
emissions of inorganic arsenic to the atmosphere to the maximum extent
practicable. Determination of whether acceptable operating and maintenance
procedures are being used will be based on information available to the
Technical Secretary, which may include, but is not limited to, monitoring
results, review of operating and maintenance procedures, inspection of the
source, and review of other records.
(a) The owner or operator of each source
subject to the provisions of this rule shall install, calibrate, maintain, and
operate a continuous monitoring system for the measurement of the opacity of
each arsenic trioxide and metallic arsenic process emission stream that exits
from a control device.
owner or operator shall install, operate, and maintain each continuous
monitoring system for the measurement of opacity required in subparagraph (a)
of this paragraph according to the following procedures:
Ensure that each system is installed and
operational no later than 90 days after November 6, l988 for an existing source
or a new source that has an initial startup date preceding November 6, l988.
For a new source whose initial startup occurs after the November 6, l988,
ensure that the system is installed and operational no later than 90 days after
startup. Verification of the operations status shall, as a minimum, consist of
an evaluation of the monitoring system in accordance with the requirements and
procedures as specified in
Except for zero and span drift adjustments
required under 1200-03-16-.01(8)(d)
and system breakdowns, repairs, and calibration checks ensure that each
continuous monitoring system is in continuous operation and meets frequency of
operation requirements by completing a minimum of one cycle of sampling and
analysis for each successive 10-second period and one cycle of data recording
for each successive 6-minute period. Each data point shall represent the
opacity measured for one cycle of sampling and analysis and shall be expressed
as percent opacity.
The owner or operator shall calculate 6-minute opacity averages from 36 or more
consecutive data points equally spaced over each 6-minute period. Data recorded
during periods of monitoring system breakdowns, repairs, calibration checks,
and zero and span adjustments shall not be included in the data averages
computed under this subparagraph.
No later than 60 days after each
continuous opacity monitoring system required in subparagraph (a) of this
paragraph becomes operational, the owner or operator shall establish a
reference opacity level for each monitored emission stream according to the
1. Conduct continuous
opacity monitoring over a preplanned period of not less than 36 hours during
which the processes and emission control equipment upstream of the monitoring
system are operating in a manner that will minimize opacity under
representative operating conditions subject to the Technical Secretary's
2. Calculate 6-minute
averages of the opacity readings using 36 or more consecutive data points
equally spaced over each 6-minute period.
3. Establish the reference opacity level by
determining the highest 6-minute average opacity calculated under subparagraph
(d)2 of this paragraph.
(e) With a minimum of 30 days prior notice,
the Technical Secretary may require an owner or operator to redetermine the
reference opacity level for any monitored emission stream.
(f) Each owner or operator shall install all
continuous monitoring systems or monitoring devices required in subparagraph
(a) of this paragraph in such a manner that representative measurements of
emissions or process parameters are obtained.
Ambient Air Monitoring for Inorganic
(a) The owner or operator of each
source to which this rule applies shall operate a continuous monitoring system
for the measurement of inorganic arsenic concentrations in the ambient
(b) The ambient air monitors
shall be located at sites to detect maximum concentrations of inorganic arsenic
in the ambient air in accordance with a plan approved by the Technical
Secretary that shall include the sampling and analytical method used.
(c) The owner or operator shall submit a
written plan describing, and explaining the basis for, the design and adequacy
of the monitoring network, sampling and analytical procedures, and quality
assurance within 45 days after November 6, l988.
(d) Each monitor shall be operated
continuously except for a reasonable time allowance for instrument maintenance
and calibration, for changing filters, or for replacement of equipment needing
(e) Filters shall be
changed daily and shall be analyzed and concentrations calculated within 30
days after filters are collected.
(f) The Technical Secretary at any time may
require changes in, or expansion of, the sampling program, including sampling
and analytical protocols and network design.
Record Keeping Requirements
(a) Each owner or operator of a source
subject to the provisions of this rule shall maintain at the source for a
period of at least 2 years the following records: All measurements, including
continuous monitoring for measurement of opacity; all continuous monitoring
system performance evaluations, including calibration checks and adjustments;
all periods during which the continuous monitoring system or monitoring device
is inoperative; and all maintenance and repairs made to the continuous
monitoring system or monitoring device.
Each owner or operator shall maintain at
the source for a period of at least 2 years a log for each plant department in
which the operating status of process, conveying, and emission control
equipment is described for each shift. For malfunctions and upsets, the
following information shall be recorded in the log:
1. The time of discovery.
2. A description of the malfunction or
3. The time corrective
action was initiated.
description of corrective action taken.
5. The time corrective action was
6. A description of
steps taken to reduce emissions of inorganic arsenic to the atmosphere between
the time of discovery and the time corrective action was taken.
(c) Each owner or operator subject
to the provisions of this rule shall maintain for a period of at least 2 years
records of 6-minute average opacity levels for each separate control
(d) Each owner or operator
subject to the provisions of paragraph (7) shall maintain for a period of at
least 2 years records of ambient inorganic arsenic concentrations at all
sampling sites and other data needed to determine such
(a) Each owner or
operator subject to the provisions of subparagraph (4)(a) shall provide the
Technical Secretary at least 30 days prior notice of each reference opacity
level determination required in subparagraph (4)(a) to afford the Technical
Secretary the opportunity to have an observer present.
Each owner or operator subject to the
provisions of subparagraph (4)(a) shall submit to the Technical Secretary:
1. Within 60 days of conducting the
evaluation required in part 1. of subparagraph (4)(b), a written report of the
continuous monitoring system evaluation;
2. Within 30 days of establishing the
reference opacity level required in subparagraph (4)(d), a written report of
the reference opacity level. The report shall also include the opacity data
used and the calculations performed to determine the reference opacity level,
and sufficient documentation to show that process and emission control
equipment were operating normally during the reference opacity level
3. A written
report each quarter of each occurrence of excess opacity during the quarter.
For the purposes of this paragraph, an occurrence of excess opacity is any
6-minute period during which the average opacity, as measured by the continuous
monitoring system, exceeds the reference opacity level established under
All quarterly reports of excess opacity shall be postmarked by the 30th day
following the end of each quarter and shall include the following information:
1. The magnitude of excess opacity, any
conversion factor(s) used, and the dates and times of commencement and
completion of each occurrence of excess opacity, the cause of each exceedance
of the reference opacity level, and the measures taken to minimize
identification of each period of excess opacity that occurred during startups,
shutdowns, and malfunctions of the source.
3. The date and time identifying each period
during which the continuous monitoring system or monitoring device was
inoperative, except for zero and span checks, and the nature of the system
repairs or adjustments.
(d) Each owner or operator subject to this
rule shall submit a written report semiannually to the Technical Secretary that
describes the status and results, for the reporting period, of any pilot plant
studies on alternative arsenic trioxide production processes. Conclusions and
recommendations of the studies shall also be reported.
(e) All semiannual progress reports required
in subparagraph (d) of this paragraph shall be postmarked by the 30th day
following the end of each 6-month period.
Each owner or operator of a source to
which this rule applies shall submit a written report each quarter to the
Technical Secretary that includes the following information:
1. All ambient inorganic arsenic
concentrations measured at all monitoring sites in accordance with paragraph
(5) of this rule.
2. A description
of any modifications to the sampling network, during the reporting period,
including any major maintenance, site changes, calibrations, and quality
assurance information including sampling and analytical precision and accuracy
quarterly reports required in subparagraph (f) of this paragraph shall be
postmarked by the 30th day following the end of each quarter.