Utah Admin. Code R315-261-1033 - Air Emission Standards for Process Vents - Closed-Vent Systems and Control Devices
(a)
(1) The remanufacturer or other person that
stores or treats the hazardous secondary materials in hazardous secondary
material management units using closed-vent systems and control devices used to
comply with Rule R315-261 shall comply with Section
R315-261-1033.
(2) Reserved
(b) A control device involving vapor
recovery, for example, a condenser or adsorber, shall be designed and operated
to recover the organic vapors vented to it with an efficiency of 95 weight
percent or greater unless the total organic emission limits of Subsection
R315-261-1032(a)(1)
for the affected process vents can be attained at an efficiency less than 95
weight percent.
(c) An enclosed
combustion device, for example, a vapor incinerator, boiler, or process heater,
shall be designed and operated to reduce the organic emissions vented to it by
95 weight percent or greater; to achieve a total organic compound concentration
of 20 ppmv, expressed as the sum of the actual compounds, not carbon
equivalents, on a dry basis corrected to 3% oxygen; or to provide a minimum
residence time of 0.50 seconds at a minimum temperature of 760 deg. C. If a
boiler or process heater is used as the control device, then the vent stream
shall be introduced into the flame zone of the boiler or process
heater.
(d)
(1) A flare shall be designed for and
operated with no visible emissions as determined by the methods specified in
Subsection R315-261-1033(e)(1),
except for periods not to exceed a total of five minutes during any two
consecutive hours.
(2) A flare
shall be operated with a flame always present, as determined by the methods
specified in Subsection
R315-261-1033(f)(2)(iii).
(3) A flare shall be used only if the net
heating value of the gas being combusted is 11.2 MJ/scm, 300 Btu/scf, or
greater if the flare is steam-assisted or air-assisted; or if the net heating
value of the gas being combusted is 7.45 MJ/scm, 200 Btu/scf, or greater if the
flare is nonassisted. The net heating value of the gas being combusted shall be
determined by the methods specified in Subsection
R315-261-1033(e)(2).
(4)
(i) A
steam-assisted or nonassisted flare shall be designed for and operated with an
exit velocity, as determined by the methods specified in Subsection
R315-261-1033(e)(3),
less than 18.3 m/s, 60 ft/s, except as provided in Subsections
R315-261-1033(d)(4)(ii)
and R315-261-1033(d)(4)(iii).
(ii) A steam-assisted or nonassisted flare
designed for and operated with an exit velocity, as determined by the methods
specified in Subsection
R315-261-1033(e)(3),
equal to or greater than 18.3 m/s, 60 ft/s, but less than 122 m/s, 400 ft/s, is
allowed if the net heating value of the gas being combusted is greater than
37.3 MJ/scm, 1,000 Btu/scf.
(iii) A
steam-assisted or nonassisted flare designed for and operated with an exit
velocity, as determined by the methods specified in Subsection
R315-261-1033(e)(3),
less than the velocity, Vmax, as determined by the method specified in
Subsection R315-261-1033(e)(4)
and less than 122 m/s, 400 ft/s is allowed.
(5) An air-assisted flare shall be designed
and operated with an exit velocity less than the velocity, Vmax, as determined
by the method specified in Subsection
R315-261-1033(e)(5).
(6) A flare used to comply with Section
R315-261-1033 shall be
steam-assisted, air-assisted, or nonassisted.
(e)
(1)
Reference Method 22 in 40 CFR part 60 shall be used to determine the compliance
of a flare with the visible emission requirements of Sections
R315-261-1030 through
R315-261-1035. The observation
period is two hours and shall be used according to Method 22.
(2) The net heating value of the gas being
combusted in a flare shall be calculated using the equation found in
40 CFR
261.1033(e)(2) 2015 ed is
incorporated by reference.
Where:
HT = Net heating value of the sample, MJ/scm; where the net enthalpy per mole of offgas is based on combustion at 25 degrees C and 760 mm Hg, but the standard temperature for determining the volume corresponding to 1 mol is 20 degrees C;
K = Constant, 1.74 H 10-7, 1/ppm, g mol/scm, MJ/kcal, where standard temperature for g mol/scm is 20 deg. C;
Ci = Concentration of sample component i in ppm on a wet basis, as measured for organics by Reference Method 18 in 40 CFR part 60 and measured for hydrogen and carbon monoxide by ASTM D 1946-82, incorporated by reference as specified in Section R315-260-11; and
Hi = Net heat of combustion of sample component i, kcal/9 mol at 25 degrees C and 760 mm Hg. The heats of combustion may be determined using ASTM D 2382-83, incorporated by reference as specified in Section R315-260-11, if published values are not available or cannot be calculated.
(3) The actual exit velocity of a flare shall
be determined by dividing the volumetric flow rate, in units of standard
temperature and pressure, as determined by Reference Methods 2, 2A, 2C, or 2D
in 40 CFR part 60 as appropriate, by the unobstructed, free, cross-sectional
area of the flare tip.
(4) The
maximum allowed velocity in m/s, Vmax, for a flare complying with Subsection
R315-261-1033(d)(4)(iii)
shall be determined by the following equation:
Log10(Vmax) = (HT + 28.8)/31.7
Where:
28. 8 = Constant;
31. 7 = Constant;
HT = The net heating value as determined in Subsection R315-261-1033(e)(2).
(5) The maximum allowed velocity
in m/s, Vmax, for an air-assisted flare shall be determined by the following
equation: Vmax = 8.706 + 0.7084 (Ht)
Where:
8.706 = Constant;
0.7084 = Constant;
HT = The net heating value as determined in Subsection R315-261-1033(e)(2).
(f) The remanufacturer
or other person that stores or treats the hazardous secondary material shall
monitor and inspect each control device required to comply with Section
R315-261-1033 to ensure proper
operation and maintenance of the control device by implementing the
requirements in Subsections
R315-261-1033(f)(1)
through R315-261-1033(f)(3):
(1) Install, calibrate, maintain, and operate
according to the manufacturer's specifications a flow indicator that provides a
record of vent stream flow from each affected process vent to the control
device at least once each hour. The flow indicator sensor shall be installed in
the vent stream at the nearest feasible point to the control device inlet but
before the point that the vent streams are combined.
(2) Install, calibrate, maintain, and operate
according to the manufacturer's specifications a device to continuously monitor
control device operation as specified in Subsections
R315-261-1033(f)(2)(i)
through R315-261-1033(f)(2)(vii):
(i) For a thermal vapor incinerator, a
temperature monitoring device equipped with a continuous recorder. The device
shall have an accuracy of plus or minus 1% of the temperature being monitored
in degrees C or plus or minus 0.5 degrees C, whichever is greater. The
temperature sensor shall be installed at a location in the combustion chamber
downstream of the combustion zone.
(ii) For a catalytic vapor incinerator, a
temperature monitoring device equipped with a continuous recorder. The device
shall be capable of monitoring temperature at two locations and have an
accuracy of plus or minus 1% of the temperature being monitored in degrees C or
plus or minus 0.5 degrees C, whichever is greater. One temperature sensor shall
be installed in the vent stream at the nearest feasible point to the catalyst
bed inlet and a second temperature sensor shall be installed in the vent stream
at the nearest feasible point to the catalyst bed outlet.
(iii) For a flare, a heat sensing monitoring
device equipped with a continuous recorder that shows the continuous ignition
of the pilot flame.
(iv) For a
boiler or process heater having a design heat input capacity less than 44 MW, a
temperature monitoring device equipped with a continuous recorder. The device
shall have an accuracy of plus or minus 1% of the temperature being monitored
in degrees C or plus or minus 0.5 degrees C, whichever is greater. The
temperature sensor shall be installed at a location in the furnace downstream
of the combustion zone.
(v) For a
boiler or process heater having a design heat input capacity greater than or
equal to 44 MW, a monitoring device equipped with a continuous recorder to
measure a parameters that shows good combustion operating practices are being
used.
(vi) For a condenser, either:
(A) a monitoring device equipped with a
continuous recorder to measure the concentration level of the organic compounds
in the exhaust vent stream from the condenser; or
(B) a temperature monitoring device equipped
with a continuous recorder. The device shall be capable of monitoring
temperature with an accuracy of plus or minus 1% of the temperature being
monitored in degrees Celsius, deg. C, or plus or minus 0.5 deg. C, whichever is
greater. The temperature sensor shall be installed at a location in the exhaust
vent stream from the condenser exit, that is, product side.
(vii) For a carbon adsorption
system that regenerates the carbon bed directly in the control device such as a
fixed-bed carbon adsorber, either:
(A) a
monitoring device equipped with a continuous recorder to measure the
concentration level of the organic compounds in the exhaust vent stream from
the carbon bed; or
(B) a monitoring
device equipped with a continuous recorder to measure a parameter that shows
the carbon bed is regenerated on a regular, predetermined time cycle.
(3) Inspect the
readings from each monitoring device required by Subsections
R315-261-1033(f)(1)
and R315-261-1033(f)(2)
at least once each operating day to check control device operation and, if
necessary, immediately implement the corrective measures necessary to ensure
the control device operates in compliance with the requirements of Section
R315-261-1033.
(g) A remanufacturer or other
person that stores or treats hazardous secondary material in a hazardous
secondary material management unit using a carbon adsorption system such as a
fixed-bed carbon adsorber that regenerates the carbon bed directly onsite in
the control device shall replace the existing carbon in the control device with
fresh carbon at a regular, predetermined time interval that is no longer than
the carbon service life established as a requirement of Subsection
R315-261-1035(b)(4)(iii)(F).
(h) A remanufacturer or other person that
stores or treats hazardous secondary material in a hazardous secondary material
management unit using a carbon adsorption system such as a carbon canister that
does not regenerate the carbon bed directly onsite in the control device shall
replace the existing carbon in the control device with fresh carbon on a
regular basis by using one of the procedures in Subsections
R315-261-1033(h)(1)
through R315-261-1033(h)(2):
(1) Monitor the concentration level of the
organic compounds in the exhaust vent stream from the carbon adsorption system
on a regular schedule, and replace the existing carbon with fresh carbon
immediately if carbon breakthrough is indicated. The monitoring frequency shall
be daily or at an interval no greater than 20% of the time required to consume
the total carbon working capacity established as a requirement of Subsection
R315-261-1035(b)(4)(iii)(G),
whichever is longer.
(2) Replace
the existing carbon with fresh carbon at a regular, predetermined time interval
that is less than the design carbon replacement interval established as a
requirement of Subsection
R315-261-1035(b)(4)(iii)(G).
(i) An alternative operational or
process parameter may be monitored if it can be demonstrated that another
parameter shall ensure that the control device is operated in conformance with
these standards and the control device's design specifications.
(j) A remanufacturer or other person that
stores or treats hazardous secondary material at an affected facility seeking
to comply with Rule R315-261 by using a control device other than a thermal
vapor incinerator, catalytic vapor incinerator, flare, boiler, process heater,
condenser, or carbon adsorption system shall develop documentation including
enough information to describe the control device operation and identify the
process parameter or parameters that show proper operation and maintenance of
the control device.
(k) A
closed-vent system shall meet either of the design requirements in Subsection
R315-261-1033(k)(1)
or R315-261-1033(k)(2):
(1) A closed-vent system shall be designed to
operate with no detectable emissions, as shown by an instrument reading of less
than 500 ppmv above background as determined by the procedure in Subsection
R315-261-1034(b),
and by visual inspections; or
(2) A
closed-vent system shall be designed to operate at a pressure below atmospheric
pressure. The system shall be equipped with at least one pressure gauge or
other pressure measurement device that can be read from a readily accessible
location to verify that negative pressure is being maintained in the
closed-vent system if the control device is operating.
(l) The remanufacturer or other person that
stores or treats the hazardous secondary material shall monitor and inspect
each closed-vent system required to comply with Section
R315-261-1033 to ensure proper
operation and maintenance of the closed-vent system by implementing the
requirements in Subsections
R315-261-1033(l)(1)
through R315-261-1033(l)(3):
(1) Each closed-vent system that is used to
comply with Subsection
R315-261-1033(k)(1)
shall be inspected and monitored in accordance with the requirements in
Subsections R315-261-1033(l)(1)(i)
through R315-261-1033(l)(1)(iv):
(i) An initial leak detection monitoring of
the closed-vent system shall be conducted by the remanufacturer or other person
that stores or treats the hazardous secondary material on or before the date
that the system becomes subject to Section
R315-261-1033. The
remanufacturer or other person that stores or treats the hazardous secondary
material shall monitor the closed-vent system components and connections using
the procedures specified in Subsection
R315-261-1034(b)
to demonstrate that the closed-vent system operates with no detectable
emissions, as shown by an instrument reading of less than 500 ppmv above
background.
(ii) After initial leak
detection monitoring required in Subsection
R315-261-1033(l)(1)(i),
the remanufacturer or other person that stores or treats the hazardous
secondary material shall inspect and monitor the closed-vent system as follows:
(A) Closed-vent system joints, seams, or
other connections that are permanently or semi-permanently sealed, for example,
a welded joint between two sections of hard piping or a bolted and gasketed
ducting flange, shall be visually inspected at least once per year to check for
defects that could result in air pollutant emissions. The remanufacturer or
other person that stores or treats the hazardous secondary material shall
monitor a component or connection using the procedures specified in Subsection
R315-261-1034(b)
to demonstrate that it operates with no detectable emissions following any time
the component is repaired or replaced, for example, a section of damaged hard
piping is replaced with new hard piping, or the connection is unsealed, for
example, a flange is unbolted.
(B)
Closed-vent system components or connections other than those specified in
Subsection R315-261-1033(l)(1)(ii)(A)
shall be monitored annually and at other times as requested by the director,
except as provided for in Subsection
R315-261-1033(o),
using the procedures specified in Subsection
R315-261-1034(b)
to demonstrate that the components or connections operate with no detectable
emissions.
(iii) In the
event that a defect or leak is detected, the remanufacturer or other person
that stores or treats the hazardous secondary material shall repair the defect
or leak in accordance with the requirements of Subsection
R315-261-1033(l)(3).
(iv) The remanufacturer or other person that
stores or treats the hazardous secondary material shall maintain a record of
the inspection and monitoring in accordance with the requirements specified in
Section R315-261-1035.
(2) Each closed-vent system that
is used to comply with Subsection
R315-261-1033(k)(2)
shall be inspected and monitored in accordance with the requirements in
Subsections R315-251-1033(1)(2)(i) through
R315-261-1033(1)(2)(iv):
(i) The closed-vent system shall be visually
inspected by the remanufacturer or other person that stores or treats the
hazardous secondary material to check for defects that could result in air
pollutant emissions. Defects include visible cracks, holes, or gaps in ductwork
or piping or loose connections.
(ii) The remanufacturer or other person that
stores or treats the hazardous secondary material shall perform an initial
inspection of the closed-vent system on or before the date that the system
becomes subject to Section
R315-261-1033. Thereafter, the
remanufacturer or other person that stores or treats the hazardous secondary
material shall perform the inspections at least once each year.
(iii) In the event that a defect or leak is
detected, the remanufacturer or other person that stores or treats the
hazardous secondary material shall repair the defect in accordance with the
requirements of Subsection
R315-261-1033(l)(3).
(iv) The remanufacturer or other person that
stores or treats the hazardous secondary material shall maintain a record of
the inspection and monitoring in accordance with the requirements specified in
Section R315-261-1035.
(3) The remanufacturer or other
person that stores or treats the hazardous secondary material shall repair the
detected defects in accordance with Subsections
R315-261-1033(l)(3)(i)
through R315-261-1033(l)(3)(iv):
(i) Detectable emissions, as shown by visual
inspection, or by an instrument reading greater than 500 ppmv above background,
shall be controlled as soon as practicable, but before 15 calendar days after
the emission is detected, except as provided for in Subsection
R315-261-1033(l)(3)(iii).
(ii) A first attempt at repair shall be made
no later than five calendar days after the emission is detected.
(iii) Delay of repair of a closed-vent system
where leaks have been detected is allowed if the repair is technically
infeasible without a process unit shutdown, or if the remanufacturer or other
person that stores or treats the hazardous secondary material determines that
emissions resulting from immediate repair would be greater than the fugitive
emissions likely to result from delay of repair. Repair of the equipment shall
be finished by the end of the next process unit shutdown.
(iv) The remanufacturer or other person that
stores or treats the hazardous secondary material shall maintain a record of
the defect repair in accordance with the requirements specified in Section
R315-261-1035.
(m) Closed-vent systems
and control devices used to comply with Sections
R315-261-1030 through
R315-261-1035 shall be always be
operated when emissions may be vented to them.
(n) The owner or operator using a carbon
adsorption system to control air pollutant emissions shall document that any
carbon that is a hazardous waste and that is removed from the control device is
managed in in accordance with Subsection
R315-261-1033(n)(1),
R315-261-1033(n)(2),
or R315-261-1033(n)(3),
regardless of the average volatile organic concentration of the carbon:
(1) Regenerated or reactivated in a thermal
treatment unit that meets one of the requirements in Subsections
R315-261-1033(n)(1)(i)
through R315-261-1033(n)(1)(iii):
(i) The owner or operator of the unit has
been issued a final permit under Rule R315-270 that implements the requirements
of Sections R315-264-600 through
R315-264-603; or
(ii) The unit is equipped with and operating
air emission controls in accordance with the applicable requirements of
Sections R315-261-1030 through
R315-261-1035 and
R315-261-1080 through
R315-261-1089 or
R315-265-1030 through
R315-265-1035 and
R315-265-1080 through
R315-265-1090; or
(2) Incinerated in a hazardous
waste incinerator that the owner or operator either:
(i) has been issued a final permit under Rule
R315-270 that implements the requirements of Sections
R315-264-340 through
R315-264-351; or
(ii) has designed and operates the
incinerator in accordance with the interim status requirements of Sections
R315-265-340 through R315-265-352.
(3) Burned in a boiler or industrial furnace
that the owner or operator either:
(i) has
been issued a final permit under Rule R315-270 that implements the requirements
of Sections R315-266-100 through
R315-266-112; or
(ii) has designed and operates the boiler or
industrial furnace in accordance with the interim status requirements of
Sections R315-266-100 through
R315-266-112.
(o) Any components of a
closed-vent system that are designated, as described in Subsection
R315-261-1035(c)(9),
as unsafe to monitor are exempt from the requirements of Subsection
R315-261-1033(l)(1)(ii)(B)
if:
(1) the remanufacturer or other person
that stores or treats the hazardous secondary material in a hazardous secondary
material management unit using a closed-vent system determines that the
components of the closed-vent system are unsafe to monitor because monitoring
personnel would be exposed to an immediate danger as a result of complying with
Subsection R315-261-1033(l)(1)(ii)(B);
and
(2) the remanufacturer or other
person that stores or treats the hazardous secondary material in a hazardous
secondary material management unit using a closed-vent system adheres to a
written plan that requires monitoring the closed-vent system components using
the procedure specified in Subsection
R315-261-1033(l)(1)(ii)(B)
as often as practicable during safe-to-monitor
times.
Notes
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