|
(a)
|
Definitions. For the purposes of this section, the following definitions shall apply: |
| |
(1)
|
"Adsorptive Cartridge Filter" means a replaceable cartridge filter that contains diatomaceous
earth or activated clay as the filter medium. |
| |
(2)
|
"Cartridge Filter" means a replaceable cartridge filter that contains one
of the following as the filter medium: paper, activated carbon, or paper and activated carbon. A cartridge
filter contains no diatomaceous earth or activated clay. Cartridge filters include, but are not limited to: standard
filters, split filters, "jumbo" filters, and all carbon polishing filters. |
| |
(3)
|
"Closed-Loop Machine" means dry cleaning equipment in which washing, extraction,
and drying are all performed in the same single unit (also known as dry-to-dry) and which recirculates
perchloroethylene-laden vapor through a primary control system with no exhaust to the atmosphere during the drying
cycle. A closed-loop machine may allow for venting to the ambient air through a fugitive control system after
the drying cycle is complete and only while the machine door is open. |
| |
(4)
|
"Co-Located With a Residence" means sharing a common wall, floor, or ceiling with a residence.
For the purposes of this definition, "residence" means any dwelling or housing which is owned,
rented, or occupied by the same person for a period of 180 days or more, excluding short-term housing such
as a motel or hotel room rented and occupied by the same person for a period of less than 180 days. |
| |
(5)
|
"Converted Machine" means an existing vented machine that has been modified
to be a closed-loop machine by eliminating the aeration step, installing a primary control system, and providing for
recirculation of the perchloroethylene-laden vapor with no exhaust to the atmosphere or workroom during the
drying cycle. A converted machine may allow for venting to the ambient air through a fugitive control system
after the drying cycle is complete and only while the machine door is open. |
| |
(6)
|
"Cool-Down" means the portion of the drying cycle that begins when the heating mechanism deactivates
and the refrigerated condenser continues to reduce the temperature of the air recirculating through the drum
to reduce the concentration of perchloroethylene in the drum. |
| |
(7)
|
"Date of Compliance" means the time from the effective date of this control
measure in the district until a facility must be in compliance with the specific requirements of this
control measure. |
| |
(8)
|
"Desorption" means regeneration of an activated carbon bed, or any other type of vapor adsorber by removal
of the adsorbed solvent using hot air, steam, or other means. |
| |
(9)
|
"Dip Tank Operations" means the immersion of materials in a solution that contains
perchloroethylene, for purposes other than dry cleaning, in a tank or container that is separate from the dry
cleaning equipment. |
| |
(10)
|
"District" means the local air pollution control district or air quality management district. |
| |
(11)
|
"Drum" means the rotating cylinder or wheel of the dry cleaning machine that holds the materials
being cleaned. |
| |
(12)
|
"Dry Cleaning Equipment" means any machine, device, or apparatus used to dry clean
materials with perchloroethylene or to remove residual perchloroethylene from previously cleaned materials.
Dry cleaning equipment may include, but is not limited to, a transfer machine, a vented machine, a converted
machine, a closed-loop machine, a reclaimer, or a drying cabinet. |
| |
(13)
|
"Dry Cleaning System" means all of the following equipment, devices, or apparatus
associated with the perchloroethylene dry cleaning process: dry cleaning equipment; filter or purification
systems; waste holding, treatment, or disposal systems; perchloroethylene supply systems; dip tanks; pumps;
gaskets; piping, ducting, fittings, valves, or flanges that convey perchloroethylene-contaminated air; and control
systems. |
| |
(14)
|
"Drying Cabinet" means a housing in which materials previously cleaned with
perchloroethylene are placed to dry and which is used only to dry materials that would otherwise be damaged
by the heat and tumbling action of the drying cycle. |
| |
(15)
|
"Drying Cycle" means the process used to actively remove the perchloroethylene
remaining in the materials after washing and extraction. For closed-loop machines, the heated portion of the
cycle is followed by cool-down and may be extended beyond cool-down by the activation of a control system.
The drying cycle begins when heating coils are activated and ends when the machine ceases rotation of the
drum. |
| |
(16)
|
"Environmental Training Program" means an initial course or a refresher course of the environmental
training program for perchloroethylene dry cleaning operations that has been authorized by the Air Resources
Board according to the requirements of 17 CCR, Section 93110. |
| |
(17)
|
"Equivalent Closed-Loop Vapor Recovery System" means a device or combination of devices that achieves,
in practice, a perchloroethylene recovery performance equal to or exceeding that of refrigerated condensers. |
| |
(18)
|
"Existing Facility" means any facility that operated dry cleaning equipment
prior to the effective date of this control measure in the district. Facility relocations, within the same
district, shall be considered existing facilities for the purposes of this control measure. |
| |
(19)
|
"Facility" means any entity or entities which: own or operate perchloroethylene dry cleaning equipment,
are owned or operated by the same person or persons, and are located on the same parcel or contiguous
parcels. |
| |
(20)
|
"Facility Mileage" means the efficiency of perchloroethylene use at a facility,
expressed as the pounds of materials cleaned per gallon of perchloroethylene used, and calculated for all
dry cleaning machines at the facility over a specified time period. |
| |
(21)
|
"Fugitive Control System" means a device or apparatus that collects fugitive perchloroethylene
vapors from the machine door, button and lint traps, still, or other intentional openings of the dry cleaning system
and routes those vapors to a device that reduces the mass of perchloroethylene prior to exhaust of the vapor
to the atmosphere. |
| |
(22)
|
"Full-Time Employee" means any person who is employed at the dry cleaning facility
and averages at least 30 hours per week in any 90-day period. |
| |
(23)
|
"Gallons of perchloroethylene used" means
the volume of perchloroethylene, in gallons, introduced into the dry cleaning equipment, and not recovered
at the facility for reuse on-site in the dry cleaning equipment, over a specified time period. |
| |
(24)
|
"Halogenated-Hydrocarbon Detector" means a portable device capable of detecting vapor concentrations
of perchloroethylene of 25 ppmv or less and indicating an increasing concentration by emitting an audible
signal or visual indicator that varies as the concentration changes. |
| |
(25)
|
"Liquid Leak" means a leak of liquid containing perchloroethylene of
more than one drop every three minutes. |
| |
(26)
|
"Materials" means wearing apparel, draperies, linens, fabrics, textiles, rugs, leather, and other
goods that are dry cleaned. |
| |
(27)
|
"Muck Cooker" means a device for heating perchloroethylene-laden waste
material to volatilize and recover perchloroethylene. |
| |
(28)
|
"New Facility" means a facility that did not operate any dry cleaning
equipment prior to the effective date of this control measure in the district. Facility relocations, within
the same district, shall not be considered new facilities for the purposes of this control measure. |
| |
(29)
|
"Perceptible Vapor Leak" means an emission of perchloroethylene vapor from unintended
openings in the dry cleaning system, as indicated by the odor of perchloroethylene or the detection of gas
flow by passing the fingers over the surface of the system. This definition applies for an interim
period of 18 months only, beginning on the effective date of this control measure in the district. |
| |
(30)
|
"Perchloroethylene (Perc)" means the substance with the chemical formula 'C2Cl4',
also known by the name 'tetrachloroethylene', which has been identified by the Air Resources Board and listed
as a toxic air contaminant in 17 CCR, Section 93000. |
| |
(31)
|
"Perchloroethylene Dry Cleaning" or "Dry Cleaning"
means the process used to remove soil, greases, paints, and other unwanted substances from materials with
perchloroethylene. |
| |
(32)
|
"Pounds of Materials Cleaned Per Load" means the total dry weight, in pounds, of the materials in each
load dry cleaned at the facility, as determined by weighing each load on a scale prior to dry cleaning
and recording the value. |
| |
(33)
|
"Primary Control System" means a refrigerated condenser, or an equivalent closed-loop
vapor recovery system approved by the district. |
| |
(34)
|
"Reclaimer" means a machine, device, or apparatus used only to remove residual perchloroethylene from
materials that have been previously cleaned in a separate piece of dry cleaning equipment. |
| |
(35)
|
"Reasonably Available," as it applies to an initial course for the environmental
training program, means that the course is offered within 200 miles of the district boundaries and that
all such courses have a capacity, in the aggregate, that is adequate to accommodate at least one person
from each facility in the district required to certify a trained operator at that time. |
| |
(36)
|
"Refrigerated Condenser" means a closed-loop vapor recovery system into which perchloroethylene vapors
are introduced and trapped by cooling below the dew point of the perchloroethylene. |
| |
(37)
|
"Secondary Control System" means a device or apparatus that reduces the concentration
of perchloroethylene in the recirculating air at the end of the drying cycle beyond the level achievable with a refrigerated
condenser alone. An "integral" secondary control system is designed and offered as an
integral part of a production package with a single make and model of dry cleaning machine and primary
control system. An "add-on" secondary control system is designed or offered as a separate retrofit
system for use on multiple machine makes and models. |
| |
(38)
|
"Self-Service Dry Cleaning Machine" means a perchloroethylene dry cleaning machine that is loaded,
activated, or unloaded by the customer. |
| |
(39)
|
"Separator" means any device used to recover perchloroethylene from a water-perchloroethylene mixture. |
| |
(40)
|
"Still" means a device used to volatilize and recover perchloroethylene from contaminated solvent removed
from the cleaned materials. |
| |
(41)
|
"Trained Operator" means the owner, the operator, or an employee of the facility,
who holds a record of completion for the initial course of an environmental training program and maintains
her / his status by successfully completing the refresher courses as required. |
| |
(42)
|
"Transfer Machine" means a combination of perchloroethylene dry cleaning equipment
in which washing and extraction are performed in one unit and drying is performed in a separate
unit. |
| |
(43)
|
"Vapor Adsorber" means a bed of activated carbon or other adsorbent into
which perchloroethylene vapors are introduced and trapped for subsequent desorption. |
| |
(44)
|
"Vapor Leak" means an emission of perchloroethylene vapor from unintended openings in the dry cleaning
system, as indicated by a rapid audible signal or visual signal from a halogenated-hydrocarbon detector or a concentration
of perchloroethylene exceeding 50 ppmv as methane as indicated by a portable analyzer. This definition
applies beginning 18 months after the effective date of this control measure in the district. |
| |
(45)
|
"Vented Machine" means dry cleaning equipment in which washing, extraction,
and drying are all performed in the same single unit and in which fresh air is introduced into the drum in
the last step of the drying cycle and exhausted to the atmosphere, either directly or through a control
device. |
| |
(46)
|
"Waste Water Evaporator" means a device that vaporizes perchloroethylene-contaminated
waste water through the addition of thermal or chemical energy, or through physical action. |
| |
(47)
|
"Water-Repelling Operations" means the treatment of materials with a water-repellent
solution that contains perchloroethylene. |
|
(b)
|
Applicability. Any person who owns or operates perchloroethylene dry cleaning equipment shall comply
with Section 93109. |
|
(c)
|
Initial Notification. The owner / operator shall provide the district with all of the following information,
in writing: |
| |
(1)
|
By the applicable date shown in Column 2 of Table
1.
|
(A)
|
The name(s) of the owner and operator of the facility. |
|
(B)
|
The facility name and location. |
|
(C)
|
Whether or not the facility is co-located with a residence. |
|
(D)
|
The number, types, and capacities of all dry cleaning
equipment. |
|
(E)
|
Any control systems for each dry cleaning machine. |
|
(F)
|
For existing facilities only, the gallons of perchloroethylene
purchased by the facility during the previous calendar year. |
|
| |
(2)
|
A district may exempt a source from item (1) of this
subsection if the district maintains current equivalent information on the facility. |
|
(d)
|
Recordkeeping. The owner / operator shall maintain records for the specified time period, beginning
on the applicable date shown in Column 3 of Table 1. These records, or copies thereof, shall be accessible
at the facility at all times. |
| |
(1)
|
All of the following records shall be retained for
at least two years or until the next district inspection of the facility, whichever period is longer.
|
(A)
|
For each dry cleaning machine, a log showing the date
and the pounds of materials cleaned per load. |
|
(B)
|
Purchase and delivery receipts for perchloroethylene.
|
1.
|
For only those facilities with solvent tanks that
are not directly filled by the perchloroethylene supplier upon delivery, the date(s) and gallons of
perchloroethylene added to the solvent tank of each dry cleaning machine. |
|
|
(C)
|
The completed leak inspection checklists required
by subsection (f)(2) and the operation and maintenance checklists required by subsection (f)(1)(A). |
|
(D)
|
For liquid leaks, perceptible vapor leaks, or vapor
leaks that were not repaired at the time of detection, a record of the leaking component(s)
of the dry cleaning system awaiting repair and the action(s) taken to complete the repair. The record
shall include copies of purchase orders or other written records showing when the repair parts were ordered
and / or service was requested. |
|
| |
(2)
|
For dry cleaning equipment installed after the effective
date of this control measure in the district, the manufacturer's operating manual for all components of the
dry cleaning system shall be retained for the life of the equipment. |
| |
(3)
|
The original record of completion for each trained
operator shall be retained during the employment of that person. A copy of the record of completion shall
be retained for an additional period of two years beyond the separation of that person from employment
at the facility. |
|
(e)
|
Annual Reporting. The owner / operator shall maintain an annual report. At the district's discretion,
the facility owner or operator shall furnish this annual report to the district by the date specified by the district.
The annual report shall include all of the following: |
| |
(1)
|
A copy of the record of completion for each trained
operator. |
| |
(2)
|
The total of the pounds of materials cleaned per load
and the gallons of perchloroethylene used for all solvent additions in the reporting period. |
| |
(3)
|
The average facility mileage, determined from all
solvent additions in the reporting period,
as follows:
The Total of the Pounds of Materials
Cleaned Per Load
The Total of the Gallons of Perchloroethylene Used
|
|
(f)
|
Good Operating Practices. The owner / operator shall not operate dry cleaning
equipment after the applicable dates shown in Column 5 and Column 6 of Table 1, unless all of the following requirements
are met: |
| |
(1)
|
Operation and Maintenance Requirements. The trained operator, or his/her designee, shall operate
and maintain all components of the dry cleaning system in accordance with the requirements of this section
and the conditions specified in the facility's operating permit beginning on the applicable date specified
in Column 5 of Table 1. For operations not specifically addressed, the components shall be operated and
maintained in accordance with the manufacturer's recommendations.
|
(A)
|
The district shall provide an operation and maintenance
checklist to the facility. Each operation and maintenance function and the date performed shall be recorded on the checklist.
The operation and maintenance checklist provided by the district shall include, at a minimum, the
following requirements:
|
1.
|
Refrigerated condensers shall be operated to ensure that
exhaust gases are recirculated until the air-vapor stream temperature on the outlet side of the refrigerated
condenser, downstream of any bypass, is less than or equal to 45oF (7.2oC). |
|
2.
|
Primary control systems, other than refrigerated condensers,
shall be operated to ensure that exhaust gases are recirculated until the perchloroethylene concentration
in the drum is less than or equal to 8,600 ppmv at the end of the drying cycle, before the machine
door is opened and any fugitive control system activates. |
|
3.
|
Vapor adsorbers used as a primary control system or secondary
control system shall be operated to ensure that exhaust gases are recirculated at the temperature
specified by the district, based on the manufacturer's recommendations for optimum adsorption. These vapor adsorbers
shall be desorbed according to the conditions specified by the district in the facility's operating
permit, including a requirement that no perchloroethylene vapors shall be routed to the atmosphere during
routine operation or desorption. |
|
4.
|
During the interim period between compliance with
this subsection and compliance with the requirements of subsection (g), an existing facility with a transfer
machine or a vented machine shall operate any existing carbon adsorber, which functions during the drying
cycle, to meet the following requirements:
|
i.
|
Desorption shall be performed periodically at the
frequency specified by the district. The frequency, at a minimum, shall be each time all dry cleaning
equipment exhausted to the device has cleaned a total of three pounds of materials
for each pound of activated carbon. Desorption shall be performed with the minimum steam pressure
and air flow capacity specified by the district. |
|
ii.
|
Once desorption is complete, the carbon bed shall
be fully dried according to the manufacturer's instructions. |
|
iii.
|
No vented perchloroethylene vapors shall bypass the
carbon adsorber to the atmosphere. |
|
|
5.
|
Cartridge filters and adsorptive cartridge filters
shall be handled using one of the following methods.
|
i.
|
Drained in the filter housing, before disposal, for
no less than: 24 hours for cartridge filters and 48 hours for adsorptive cartridge filters. If the filters
are then transferred to a separate device to further reduce the volume of perchloroethylene, this treatment
shall be done in a system that routes any vapor to a primary control system, with no exhaust to the atmosphere
or workroom. |
|
ii.
|
Dried, stripped, sparged, or otherwise treated, within
the sealed filter housing, to reduce the volume of perchloroethylene contained in the filter. |
|
|
6.
|
A still, and any muck cooker, shall not exceed 75 percent
of its capacity, or an alternative level recommended by the manufacturer. A still, and any muck cooker, shall
cool to 100oF (38oC) or
less before emptying or cleaning. |
|
7.
|
Button and lint traps shall be cleaned each working
day and the lint placed in a tightly sealed container. |
|
8.
|
All parts of the dry cleaning system where perchloroethylene
may be exposed to the atmosphere or workroom shall be kept closed at all times except when access is required
for proper operation and maintenance. |
|
9.
|
Waste water evaporators shall be operated to ensure
that no liquid perchloroethylene or visible emulsion is allowed to vaporize. |
|
|
| |
(2)
|
Leak Check and Repair Requirements. The trained operator, or her / his designee,
shall inspect the dry cleaning system for liquid leaks and perceptible vapor leaks beginning on the applicable
date shown in Column 5 of Table 1. The trained operator, or her/his designee, shall inspect the dry cleaning
system for vapor leaks instead of perceptible vapor leaks beginning 18 months after the effective date of
this control measure in the district. The district shall provide a leak inspection checklist to the facility. The
trained operator, or her/his designee, shall record the status of each component on the checklist.
|
(A)
|
The dry cleaning system shall be inspected at least
once per week for liquid leaks and:
|
1.
|
For perceptible vapor leaks, beginning on the applicable
date shown in Column 5 of Table 1 until 18 months after the effective date of this control measure in
the district. |
|
2.
|
For vapor leaks, beginning 18 months after the effective
date of this control measure in the district, using one of the following techniques:
|
i.
|
A halogenated-hydrocarbon detector. |
|
ii.
|
A portable gas analyzer or an alternative method approved by
the district. |
|
|
|
(B)
|
Any liquid leak, perceptible vapor leak, or vapor
leak that has been detected by the operator shall be noted on the checklist and repaired according to the
requirements of this subsection. If the leak is not repaired at the time of detection, the leaking component
shall be physically marked or tagged in a manner that is readily observable by a district inspector. |
|
(C)
|
Any liquid leak, perceptible vapor leak, or vapor
leak detected by the district, which has not been so noted on the checklist and marked on the leaking component
of the dry cleaning system, shall constitute a violation of this section. For enforcement purposes, the district
shall:
|
1.
|
Identify the presence of a perceptible vapor leak
based on the odor of perchloroethylene or the detection of gas flow by passing the fingers over the surface
of the system. |
|
2.
|
Identify the presence of a vapor leak by determining
the concentration of perchloroethylene with a portable analyzer:
|
i.
|
According to ARB Test Method 21 (17 CCR,
Section 94124, March 28, 1986). |
|
ii.
|
Measured 1 cm. away from the dry cleaning system. |
|
|
|
(D)
|
Any liquid leak or vapor leak shall be repaired within
24 hours of detection. The date the initial course was completed and the course instructor.
|
1.
|
If repair parts are not available at the facility,
the parts shall be ordered within two working days of detecting such a leak. Such repair parts shall
be installed within five working days after receipt. A facility with a leak that has not been
repaired by the end of the 15th working day after detection shall not operate the dry cleaning equipment,
until the leak is repaired, without a leak-repair extension from the district. |
|
2.
|
A district may grant a leak-repair extension to a
facility, for a single period of 30 days or less, if the district makes these findings:
|
i.
|
The delay in repairing the leak could not have been
avoided by action on the part of the facility. |
|
ii.
|
The facility used reasonable preventive measures and
acted promptly to initiate the repair. |
|
iii.
|
The leak would not significantly increase Perc exposure
near the facility. |
|
iv.
|
The facility is in compliance with all other requirements
of this section and has a history of compliance. |
|
|
|
| |
(3)
|
Environmental training requirements. The facility
shall have one or more trained operators beginning on the applicable date shown in Column 6 of Table 1.
|
(A)
|
A trained operator shall be the owner, the operator,
or another employee of the facility, who successfully completes the initial course of an environmental
training program to become a trained operator. Evidence of successful completion of the initial course shall
be the original record of completion issued pursuant to 17 CCR, Section 93110. The trained
operator shall be a full-time employee of the facility. Except for the provisions of subsection (f)(3)(C)2.,
one person cannot serve as the trained operator for two or more facilities simultaneously. |
|
(B)
|
Each trained operator shall successfully complete
the refresher course of an environmental training program at least once every three years. Evidence
of successful completion of each refresher course shall be the date of the course and the instructor's
signature on the original record of completion. |
|
(C)
|
If the facility has only one trained operator and
the trained operator leaves the employ of the facility, the facility shall:
|
1.
|
Notify the district in writing within 30 days
of the departure of the trained operator. |
|
2.
|
Obtain certification for a replacement trained operator
within three months, except that a trained operator who owns or manages multiple facilities may serve as
the interim trained operator at two of those facilities simultaneously for a maximum period of four months,
by which time each facility must have its own trained operator. |
|
3.
|
If the district determines that the initial course
of an environmental training program is not reasonably available, the district may extend the certification period
for a replacement trained operator until one month after the course is reasonably available. |
|
|
|
(g)
|
Equipment. The owner / operator shall not operate dry cleaning equipment after the applicable
date shown in Column 7 of Table 1, unless the following requirements are met: |
| |
(1)
|
Prohibited Equipment. The owner/operator shall not operate any of the following types of dry cleaning equipment
after the applicable date shown in Column 7 of Table 1.
|
(A)
|
A transfer machine, including any reclaimer or other
device in which materials that have been previously dry cleaned with perchloroethylene are placed
to dry, except a drying cabinet that meets the requirements of item (4)(A) of this subsection. |
|
(B)
|
A vented machine. |
|
(C)
|
A self-service dry cleaning machine. |
|
| |
(2)
|
Required Equipment. The owner / operator of each new or existing facility shall meet the applicable requirements
of Table 1 as follows:
|
(A)
|
For an existing facility:
|
1.
|
Within 12 months of the effective date of this
control measure in the district, choose either Option 1 or Option 2 of Table 1 and notify the
district of her / his choice. |
|
2.
|
Comply with the requirements of Option 2, notwithstanding
her / his choice of Option 1, if the facility does not meet the applicable requirements for Option 1
within 18 months of the effective date of this control measure in the district. |
|
3.
|
Install, operate, and maintain the required equipment
for the option chosen, as shown in Column 1 of Table 1 for existing facilities. |
|
|
(B)
|
A new facility shall install, operate, and maintain
the required equipment shown in Column 1 of Table 1 for new facilities. The applicable requirements shall
be determined based on the date the facility commences operation of the dry cleaning equipment. |
|
| |
(3)
|
Specifications for Required Equipment. Required equipment
shall meet the following specifications:
|
(A)
|
A primary control system shall:
|
1.
|
Operate during both the heated and cool-down phases of
the drying cycle to reduce the mass of perchloroethylene in the recirculating
air stream. |
|
2.
|
Not exhaust to the atmosphere or workroom. |
|
3.
|
Not require the addition of any form of water to the
primary control system that results in physical contact between the water and perchloroethylene. |
|
4.
|
For refrigerated condensers only:
|
i.
|
Be capable of achieving an outlet vapor temperature,
downstream of any bypass, of less than or equal to 45oF (7.2oC) during cool-down; and |
|
ii.
|
Have a graduated thermometer with a minimum range
from 0oF (-18oC) to
150oF (66oC), which measures the temperature of the outlet vapor stream,
downstream of any bypass of the condenser, and is easily visible to the operator. |
|
|
5.
|
For equivalent closed-loop vapor recovery systems:
|
i.
|
Use a technology that has been demonstrated, pursuant to the
requirements of subsection (h), to achieve a perchloroethylene concentration of 8,600 ppmv or less
in each test. |
|
ii.
|
Have a device that measures the perchloroethylene
concentration, or a demonstrated surrogate parameter, in the drum at the end of each drying
cycle, before the machine door is opened and any fugitive control system activates, and indicates
if the concentration is above or below 8,600 ppmv. This device shall be installed such that
the reading is easily visible to the operator. |
|
|
|
(B)
|
A converted machine shall meet all of the following
requirements, as demonstrated on-site to the district, either upon conversion or prior to compliance with
the requirements of subsection (g)(2)(A):
|
1.
|
All process vents that exhaust to the atmosphere or
workroom during washing, extraction, or drying shall be sealed. |
|
2.
|
The converted machine shall use an appropriately-sized
primary control system to recover perchloroethylene vapor during the heated and cool-down phases
of the drying cycle.
|
i.
|
A refrigerated condenser shall be considered appropriately
sized, for a machine converted on or after the date that this section is filed with the Secretary of State,
if all of the following conditions are met:
|
a.
|
The water-cooled condensing coils are replaced with
refrigerant-cooled condensing coils. |
|
b.
|
The compressor of the refrigerated condenser shall have
a capacity, in horsepower (hp) that is no less than the minimum capacity, determined as follows: |
|
Minimum = Capacity of the Machine (lbs)
Capacity (hp) 12
|
|
|
ii.
|
A refrigerated condenser shall be considered appropriately
sized, for a machine converted prior to the date that this section is filed with the Secretary of State, if the
conditions a., or b. below are met:
|
a.
|
The refrigerated condenser shall meet the specifications
for new conversions in subsection (g)(3)(B)2.i. |
|
b.
|
The refrigerated condenser shall achieve, and maintain
for three minutes, an outlet vapor temperature, measured downstream of the condenser and any bypass
of the condenser, of less than or equal to 45oF (7.2oC) within
ten minutes of the initiation of cool-down. |
|
|
iii.
|
An equivalent closed-loop vapor recovery system shall
be appropriately sized for the conversion of a vented machine if the system does not extend the total drying
time by more than five minutes to meet the specifications of subsection (g)(3)(A)5. |
|
|
3.
|
The converted machine shall operate with no liquid
leaks and no vapor leaks. Any seal, gasket, or connection determined to have a liquid leak or vapor leak shall
be replaced. |
|
|
(C)
|
A secondary control system shall:
|
1.
|
Be designed to function with a primary control system
or be designed to function as a combined primary control system and secondary control system that me | | |
