310 CMR 7.26
Industry Performance Standards
((1) - (9) RESERVED)
(10) Perchloroethylene Air Emissions Standards for Dry Cleaning Facilities - Applicability.
(a) Except as provided in 310 CMR 7.26(12)(a) and (b), each dry cleaning facility shall
comply with the provisions of 310 CMR 7.26(10) through (16) beginning on May 2, 1997
or immediately upon startup, whichever is later. All coin-operated dry cleaning machines
are exempt from the requirements of 310 CMR 7.26(10) through (16).
(b) The provisions of 310 CMR 7.26(10) through (16) apply to the owner or operator of a
dry cleaning facility that has:
1. Only dry-to-dry machine(s) and has perchloroethylene consumption equal to or less
than 2,100 gallons per 12-month rolling period as determined in accordance with
310 CMR 7.26(10)(c); or
2. Only a transfer machine system(s) or both dry-to-dry machine(s) and transfer machine
system(s) and has perchloroethylene consumption equal to or less than 1,800 gallons per
12-month rolling period as determined in accordance with 310 CMR 7.26(10)(c).
(c) When calculating the perchloroethylene consumption for each 12-month rolling period
for the purpose of determining applicability under 310 CMR 7.26(10)(a), the owner or
operator shall sum on the first day of every month the volume of all perchloroethylene
purchases made in each of the previous 12 months, as recorded in the log described in
310 CMR 7.26(15)(d)1.
(d) Notwithstanding the forgoing, 310 CMR 7.26 does not apply to dry-to-dry
perchloroethylene dry cleaning facilities co-located with a residence, installed between
December 21, 2005 through July 13, 2006. N.B. These dry-to-dry facilities are subject to
the federal Maximum Available Control Technology (MACT) standards for
perchloroethylene dry cleaning facilities (40 CFR Part 63, Subpart M).
(11) Definitions. The definitions found in 310 CMR 7.00 apply to 310 CMR 7.26(10) through
(16). The following words and phrases shall have the following meanings as they appear in
310 CMR 7.26(10) through (16). Where a term is defined in the 310 CMR 7.00: Definitions and
the definition also appears in 310 CMR 7.26(11), the definition in 310 CMR 7.26(11) controls
for 7.26(10) through (16).
Ancillary Equipment means the equipment used with a dry cleaning machine in a dry cleaning
system including, but not limited to, emission control devices, pumps, filters, muck cookers,
stills, solvent tanks, solvent containers, water separators, exhaust dampers, diverter valves,
interconnecting piping, hoses, and ducts.
Articles mean clothing, garments, textiles, fabrics, leather goods, and the like, that are
drycleaned.
Carbon Adsorber means a bed of activated carbon into which an air-perchloroethylene gas-vapor
stream is routed and which adsorbs the perchloroethylene on the carbon.
Co-located means a dry cleaning facility located in a building with a residence, a licensed day
care center, a health care facility, a prison, an elementary school, a middle or high school, a
children's pre-school, a senior center or a youth center.
Coin-operated Dry Cleaning Machine means a dry cleaning machine that is operated by the
customer (that is, the customer places articles into the machine, turns the machine on, and
removes articles from the machine).
Colorimetric Detector Tube means a glass tube (sealed prior to use), containing material
impregnated with a chemical that is sensitive to perchloroethylene and is designed to measure
the concentration of perchloroethylene in air.
Construction means the fabrication (onsite), erection, or installation of a dry cleaning system
subject to 310 CMR 7.26(10) through (16).
Desorption means regeneration of a carbon adsorber by removal of the perchloroethylene
adsorbed on the carbon.
Diverter Valve means a flow control device that prevents room air from passing through a
refrigerated condenser when the door of the dry cleaning machine is open.
Dry Cleaning means the process of cleaning articles using perchloroethylene.
Dry Cleaning Cycle means the washing and drying of articles in a dry-to-dry machine or transfer
machine system.
Dry Cleaning Facility means an establishment with one or more dry cleaning systems.
Dry Cleaning Machine means a dry-to-dry machine or each machine of a transfer machine
system.
Dry Cleaning Machine Drum means the perforated container inside the dry cleaning machine
that holds the articles during dry cleaning.
Dry Cleaning System means a dry-to-dry machine and its ancillary equipment or a transfer
machine system and its ancillary equipment.
Dryer means a machine used to remove perchloroethylene from articles by tumbling them in a
heated air stream (see reclaimer).
Dry-to-dry Machine means a one-machine dry cleaning operation in which washing and drying
are performed in the same machine.
Exhaust Damper means a flow control device that prevents the air-perchloroethylene gas-vapor
stream from exiting the dry cleaning machine into a carbon adsorber before room air is drawn
into the dry cleaning machine.
Filter means a porous device through which perchloroethylene is passed to remove contaminants
in suspension. Examples include, but are not limited to, lint filter, button trap, cartridge filter,
tubular filter, regenerative filter, prefilter, polishing filter, and spin disc filter.
Halogenated Hydrocarbon Detector means a portable device capable of detecting vapor
concentrations of perchloroethylene of 25 parts per million by volume and indicating a
concentration of 25 parts per million by volume or greater by emitting an audible or visual signal
that varies as the concentration changes.
Heating Coil means the device used to heat the air stream circulated from the dry cleaning
machine drum, after perchloroethylene has been condensed from the air stream and before the
stream reenters the dry cleaning machine drum.
Muck Cooker means a device for heating perchloroethylene-laden waste material to volatilize
and recover perchloroethylene.
PCE (Perchloroethylene)-gas Analyzer means a flame ionization detector, photoionization
detector, or infrared analyzer capable of detecting vapor concentrations of perchloroethylene of
25 parts per million by volume.
Perceptible Leaks mean any perchloroethylene vapor or liquid leaks that are obvious from:
(a) the odor of perchloroethylene;
(b) visual observation, such as pools or droplets of liquid; or
(c) the detection of gas flow by passing the fingers over the surface of equipment.
Perchloroethylene Consumption means the total volume of perchloroethylene purchased based
upon purchase receipts or other reliable measures.
Reclaimer means a machine used to remove perchloroethylene from articles by tumbling them
in a heated air stream (see dryer).
Reconstruction means replacement of a washer, dryer, or reclaimer; or replacement of any
components of a dry cleaning system to such an extent that the fixed capital cost of the new
components exceeds 50% of the fixed capital cost that would be required to construct a
comparable new source.
Refrigerated Condenser means a vapor recovery system into which an air-perchloroethylene gas-
vapor stream is routed and the perchloroethylene is condensed by cooling the gas-vapor stream.
Refrigerated Condenser Coil means the coil containing the chilled liquid used to cool and
condense the perchloroethylene.
Residence means any dwelling or housing in which people reside excluding short-term housing
that is occupied by the same person for a period of less than 180 days (such as a hotel room).
Secondary Carbon Adsorber means a carbon adsorber into which the air-perchloroethylene gas
vapor stream from inside the dry cleaning machine drum is routed immediately before the door
of the dry cleaning machine is opened.
Source means each dry cleaning system.
Still means any device used to volatilize and recover perchloroethylene from contaminated
perchloroethylene.
Temperature Sensor means a thermometer or thermocouple used to measure temperature.
Transfer Machine System means a multiple-machine dry cleaning operation in which washing
and drying are performed in different machines. Examples include, but are not limited to:
(a) a washer and dryer(s);
(b) a washer and reclaimer(s); or
(c) a dry-to-dry machine and reclaimer(s).
Vapor Leak means a perchloroethylene vapor concentration exceeding 25 parts per million by
volume (50 parts per million by volume as methane) as indicated by a halogenated hydrocarbon
detector or PCE gas analyzer.
Washer means a machine used to clean articles by immersing them in perchloroethylene. This
includes a dry-to-dry machine when used with a reclaimer.
Water Separator means any device used to recover perchloroethylene from a water-
perchloroethylene mixture.
Year or Yearly means any consecutive 12-month period of time.
(12) Perchloroethylene Dry Cleaning Systems.
(a) Dry-to-dry Machine. An owner or operator of a dry-to-dry machine shall comply with
the following requirements:
1. A dry-to-dry machine installed prior to December 9, 1991, shall be equipped with
either a carbon adsorber or refrigerated condenser by September 22, 1993.
2. A dry-to-dry machine installed on or after December 9, 1991, shall be equipped with
a refrigerated condenser.
3. A dry-to-dry machine installed on or after December 21, 2005 shall be equipped with
a refrigerated condenser and a secondary carbon adsorber on or before
November 5, 2008.
4. The installation of a co-located dry-to-dry machine, except those co-located with a
residence is prohibited as of November 5, 2008.
5. The installation of a dry-to-dry machine(s) co-located with a residence is prohibited
as of September 5, 2008.
6. All co-located dry-to-dry machines shall cease operation on or before
December 21, 2020.
7. All dry-to-dry machines co-located with a residence installed after July 13, 2006 shall
cease operation on September 5, 2008.1
___________
Under the federal MACT, dry cleaners co-located with a residence were prohibited from operating as of July 13,
2006. On September 5, 2008, 310 CMR 7.26(10) through (16) also become a state requirement.
8. The operation, maintenance, testing, monitoring, recordkeeping and reporting
requirements of 310 CMR 7.26(13) through (15), as applicable.
(b) Transfer Machine System. The installation of transfer machine(s) is prohibited as of
May 2, 1997. On or before September 22, 1993, all transfer machine systems shall be
equipped with a carbon adsorber or a refrigerated condenser.
1. The owner or operator of a transfer machine system equipped with a refrigerated
condenser shall:
a. Not vent the air-perchloroethylene gas-vapor contained within the washer to the
atmosphere until the washer door is opened;
b. Monitor in accordance with 310 CMR 7.26(12)(b)2.;
c. Not use the same refrigerated condenser coil for the washer that is used by a dry-
to- dry machine, dryer, or reclaimer; and
d. Ensure the temperature difference between the air-perchloroethylene gas-vapor
stream entering the refrigerated condenser on a washer and the air-perchloroethylene
gas-vapor stream exiting the refrigerated condenser on the washer is greater than or
equal to 20°F (11.1°C).
2. The owner or operator shall calculate, on a weekly basis, the difference between the
temperature of the air-perchloroethylene gas-vapor streams entering and exiting the
refrigerated condenser on a washer and the temperature of the air-perchloroethylene gas-
vapor stream. The owner or operator shall measure the inlet and outlet streams with a
temperature sensor. Each temperature sensor shall be used according to the
manufacturer's instructions, and designed to measure at least a temperature range from
32°F (0°C) to 120°F (48.9°C) to an accuracy of ± 2°F (± 1.1°C).
3. The owner or operator shall comply with the operation, maintenance, testing,
monitoring, recordkeeping and reporting requirements of 310 CMR 7.26(13) through
(15), as applicable
4. The owner or operator shall cease operation of their transfer machines on or before
September 5, 2008.
(13) Operation and Maintenance Requirements.
(a) The owner or operator shall close the door of each dry cleaning machine immediately
after transferring articles to or from the machine, and shall keep the door closed at all other
times except to the extent necessary during maintenance operations.
(b) The owner or operator of each dry cleaning system shall operate and maintain the system
according to the manufacturers' specifications and recommendations.
(c) The owner or operator of a dry cleaning system equipped with a refrigerated condenser
shall:
1. Not vent or release the air-perchloroethylene gas-vapor stream contained within the
dry cleaning machine to the atmosphere while the dry cleaning machine drum is rotating;
2. Monitor the refrigerated condenser in accordance with 310 CMR 7.26(14)(a);
3. Operate the dry cleaning system with a diverter valve or equivalent design so as to
prevent air drawn into the dry cleaning machine when the door of the machine is open
from passing through the refrigerated condenser; and
4. Maintain the temperature of the air-perchloroethylene gas-vapor stream at the end of
the cool down cycle on the outlet side of the refrigerated condenser on a dry-to-dry
machine, dryer, or reclaimer at equal to or less than 45°F (7.2°C).
(d) The owner or operator of a dry cleaning system equipped with a primary or secondary
carbon adsorber shall:
1. Not bypass the carbon adsorber or secondary carbon adsorber to vent or release any
air-perchloroethylene gas-vapor stream to the atmosphere at any time; and
2. Monitor the carbon adsorber in accordance with the requirements in 310 CMR
7.26(14)(b) as applicable.
(e) If parameter values monitored under 310 CMR 7.26(13)(c) or (d), do not meet the values
specified in 310 CMR 7.26(14)(a), or (b), the owner or operator shall make adjustments or
repairs to the dry cleaning system or control device to meet those values. If repair parts must
be ordered, either a written or verbal order for such parts shall be initiated within two
working days of detecting such a parameter value. Such repair parts shall be installed as
soon as possible, but in no case later than, five working days after receipt of the parts.
(f) The owner or operator of a dry cleaning system shall drain all cartridge filters in their
housing, or other sealed container, for a minimum of 24 hours, or shall treat such filters in
an equivalent manner, before removal from the dry cleaning facility.
(g) The owner or operator of a dry cleaning system shall store all perchloroethylene and
wastes that contain perchloroethylene in solvent tanks or solvent containers with no
perceptible leaks.
(h) The owner or operator of a dry cleaning system shall inspect the following components
weekly for perceptible leaks while the dry cleaning system is operating:
1. Hose and pipe connections, fittings, couplings, and valves;
2. Door gaskets and seatings;
3. Filter gaskets and seatings;
4. Pumps;
5. Solvent tanks and containers;
6. Water separators;
7. Muck cookers;
8. Stills;
9. Exhaust dampers;
10. Diverter valves (if required); and
11. All filter housings.
(i) The owner or operator of a dry cleaning system shall inspect the components identified
in 310 CMR 7.26(13)(h), at least weekly for vapor leaks. The operator shall place the probe
inlet near the surface of each component interface where leakage could occur and move it
slowly along the interface periphery. One of the following methods or devices, operated in
accordance with the manufacturer’s instructions shall be used:
1. a halogenated-hydrocarbon detector;
2. a PCE gas analyzer; or
3. an alternative method approved by the Department. Sufficient documentation shall
be provided to the Department to demonstrate that the alternative method is capable of
detecting vapor concentrations of PCE of 25 ppm by volume.
(j) The owner or operator of a dry cleaning system shall repair all leaks detected under
310 CMR 7.26(13)(h) and (i) within 24 hours. If repair parts must be ordered, either a
written or verbal order for those parts shall be initiated within two working days of detecting
such a leak. Such repair parts shall be installed as soon as possible but in no case later than
five working days after receipt of the parts.
(k) Each owner or operator of a dry cleaning facility shall retain onsite a copy of the design
specifications and the operating manuals for each dry cleaning system and each emission
control device located at the dry cleaning facility.
(14) Test Methods and Monitoring.
(a) The owner or operator of a dry cleaning system equipped with a refrigerated condenser
shall either:
1. Monitor, on a weekly basis, the refrigeration system high pressure and low pressure
during the drying phase to determine if they are in the range specified in the
manufacturers operating instructions; or
2. Measure the temperature of the air-perchloroethylene gas-vapor stream on the outlet
side of the refrigerated condenser on a dry-to-dry machine, dryer, or reclaimer weekly
with a temperature sensor to determine if it is equal to or less than 45°F (7.2°C). The
temperature sensor shall be used according to the manufacturer's instructions and shall
be designed to measure a temperature of 45°F (7.2°C) to an accuracy of ± 2 °F (± 1.1°C).
(b) The owner or operator of a dry cleaning system equipped with a primary carbon
adsorber shall measure, on a weekly basis, the concentration of perchloroethylene in the
exhaust of the carbon adsorber to determine that the perchloroethylene concentration in the
exhaust is equal to or less than 100 parts per million by volume. The measurement shall be
taken while the dry cleaning machine is venting to the carbon adsorber at the end of the last
dry cleaning cycle prior to desorption of the carbon adsorber. The owner or operator shall:
1. Use a colorimetric detector tube designed to measure a concentration of 100 parts per
million by volume of perchloroethylene in air to an accuracy of ± 25 parts per million by
volume; and
2. Use the colorimetric detector tube according to the manufacturer's instructions; and
3. Provide a sampling port for monitoring within the exhaust outlet of the carbon
adsorber that is easily accessible and located at least eight stack or duct diameters
downstream from any flow disturbance such as a bend, expansion, contraction, or outlet;
downstream from no other inlet; and two stack or duct diameters upstream from any flow
disturbance such as a bend, expansion, contraction, inlet, or outlet.
(c) The owner or operator of a dry cleaning system equipped with a secondary carbon
adsorber shall operate and maintain the system in accordance with the manufacturers
specifications.
(15) Recordkeeping and Reporting Requirements.
(a) Each owner or operator of a dry cleaning facility shall submit to the Department a
compliance certification in accordance with 310 CMR 70.00.
(b) Compliance Notification. Each owner or operator of a dry cleaning facility shall notify
the Department, on forms provided by the Department, on or before September 15, 2008,
either electronically utilizing the electronic form via eDEP or by submitting a paper form by
registered mail, and subsequently as required by 310 CMR 70.03, of the facility’s compliance
with the requirements contained in 310 CMR 7.26(10) through(16) and provide the following
information:
1. The name and address of the owner or operator;
2. The name and address (that is, physical location) of the dry cleaning facility;
3. The type of each dry cleaning machine(s) and its serial number;
4. The installation date of each dry cleaning machine;
5. A description of the type of air pollution control device(s) used to comply with
310 CMR 7.26(12)(a) or (b) as applicable;
6. The most recent 12-month perchloroethylene quantity purchased, based on invoices
or receipts;
7. Whether or not the dry cleaning facility is located in a building with a residence;
8. Whether or not the dry cleaning facility is located in a building with a leased space,
another tenant, or owner occupant(s);
9. Whether or not the dry cleaning facility is co-located with sensitive populations such
as a licensed day care centers, a health care facility, a prison, an elementary school,
middle school or high school, a children's pre-school, a senior center or a youth center.
10. The compliance status of the facility; and
11. That all information submitted is in accordance with 310 CMR 7.01(2)(a) through
(c).
(c) Change in Status Notification. Each owner or operator of a dry cleaning facility shall
notify the Department, on forms provided by the Department, when there is a change in
ownership, a cessation of dry cleaning operations, or a change to a non-perchloroethylene
solvent, and provide the following information where applicable.
1. Change in Ownership. The specific date for transfer of responsibility, coverage, and
liability between the current and new owner and operator. The new owner shall notify
within 60 days of the sale of the operation.
2. Cessation of Operation. The specific date that operation of the dry cleaning system(s)
ceased at the facility within 60 days of ceasing operation. This notification is also
necessary when the facility changes to a “drop off” facility.
3. Cessation of Perchloroethylene as the Dry Cleaning Solvent. The specific date that
perchloroethylene was no longer used as the dry cleaning solvent, the manufacturer of
and type of cleaning solvent within 60 days of the change.
(d) Recordkeeping. Each owner or operator of a dry cleaning facility shall keep receipts of
perchloroethylene purchases and a log of the following information, as applicable, and
maintain such information up to date so the 12-month rolling period compliance can be
determined, and on site for at least one year, and show it upon request for a period of at least
three years:
1. The volume of perchloroethylene purchased each month for the dry cleaning facility
as recorded from perchloroethylene invoices or receipts of purchases; if no
perchloroethylene is purchased during a given month then the owner or operator would
enter zero gallons into the log;
2. The calculation and result of the 12-month rolling period perchloroethylene
consumption determined on the first day of each month as specified in 310 CMR
7.26(10)(c);
3. The dates when the dry cleaning system components were inspected for leaks, as
specified in 310 CMR 7.26(13)(h) and (i), and the name or location of dry cleaning
system components where leaks were detected;
4. The dates of repair and records of written or verbal orders for repair parts to
demonstrate compliance with 310 CMR 7.26(13)(e) or (j);
5. The date and refrigeration system pressures or temperature sensor monitoring results,
as specified in 310 CMR 7.26(14) if a refrigerated condenser is used to comply with
310 CMR 7.26(12)(a) or (b); and
6. The date and colorimetric detector tube monitoring results, as specified in
310CMR7.26(14), if a carbon adsorber is used to comply with 310 CMR 7.26(12)(a) or
(b).
(16) Determination of Equivalent Emission Control Technology.
(a) Any person requesting that the use of certain equipment or procedures be considered
equivalent to the requirements under 310 CMR 7.26(12) and (13) shall collect, verify, and
submit to the Administrator the following information to show that the alternative achieves
equivalent emission reductions:
1. Diagrams, as appropriate, illustrating the emission control technology, its operation
and integration into or function with dry-to-dry machine(s) or transfer machine system(s)
and their ancillary equipment during each portion of the normal dry cleaning cycle;
2. Information quantifying vented perchloroethylene emissions from the dry-to-dry
machine(s) or transfer machine system(s) during each portion of the dry cleaning cycle
with and without the use of the candidate emission control technology;
3. Information on solvent mileage achieved with and without the candidate emission
control technology. Solvent mileage is the average weight of articles cleaned per volume
of perchloroethylene used. Solvent mileage data must be of continuous duration for at
least one year under the conditions of a typical dry cleaning operation. This information
on solvent mileage must be accompanied by information on the design, configuration,
operation, and maintenance of the specific dry cleaning system from which the solvent
mileage information was obtained;
4. Identification of maintenance requirements and parameters to monitor to ensure
proper operation and maintenance of the candidate emission control technology;
5. Explanation of why this information is considered accurate and representative of both
the short-term and the long-term performance of the candidate emission control
technology on the specific dry cleaning system examined;
6. Explanation of why this information can or cannot be extrapolated to dry cleaning
systems other than the specific system(s) examined; and
7. Information on the cross-media impacts (to water and solid waste) of the candidate
emission control technology and demonstration that the cross-media impacts are less than
or equal to the cross-media impacts of a refrigerated condenser.
(b) Prior to operation of the dry cleaning system, an owner or operator shall receive
approval of an equivalency determination of their emission control equipment from the
Administrator and shall notify the Department of the Administrator’s determination.
(20) Environmental Results Program: Lithographic, Gravure, Letterpress, Flexographic and
Screen Printing.
(a) 310 CMR 7.26(20) through (29) sets forth performance standards and recordkeeping
requirements for lithographic, gravure, letterpress, flexographic and screen printing at
facilities subject to 310 CMR 7.26(20) through (29) pursuant to 310 CMR 7.26(21).
(b) (Reserved)
(c) By complying with the recordkeeping requirements contained in 310 CMR 7.26(20)
through (29), and with the certification requirements contained in 310 CMR 70.00:
Environmental Results Program Certification, and by maintaining actual emissions below
the levels contained in 310 CMR 7.26(20)(c)1. through 4., the owner/operator of a facility
subject to 310 CMR 7.26(20) through (29) restricts the federal potential emissions of the
facility to below the applicable major source thresholds. For every rolling 12-month period
as defined in 310 CMR 7.26(22), the potential and actual emissions of the facility shall be
less than the following limitations:
1. 50 tons of VOC or NOx, or 100 tons of any other regulated air pollutant;
2. 10 tons of any HAP;
3. 25 tons of a combination of HAPs; and
4. Any lesser threshold for a single HAP that the EPA may establish by rule.
(21) Applicability.
(a) The provisions of 310 CMR 7.26(20) through (29) apply to the owner or operator of
each facility in 310 CMR 7.26(20) with:
1. a primary 2012 North American Industry Classification System (NAICS) code of
323111 “Commercial Printing (except Screen and Books”, 323113 “Commercial Screen
Printing”, or 323117 “Books Printing”); and
2. one or more screen, lithographic, gravure, flexographic, or letterpress printing
presses.
(b) The provisions of 310 CMR 7.26(20) through (29) do not apply to the owner or operator
of a facility that performs lithographic, gravure, flexographic, letterpress, or screen printing
with a primary 2012 NAICS code different from those listed in 310 CMR 7.26(21)(a).
(22) Definitions: The definitions found in 310 CMR 7.00 apply to 310 CMR 7.26(20) through
(29). The following words and phrases shall have the following meanings as they appear in
310 CMR 7.26(20) through (29). Where a term is defined in the 310 CMR 7.00 and the
definition also appears in 310 CMR 7.26(22), the definition found in 310 CMR 7.26(22)
controls.
Adhesive means any substance that is used to bond one surface to another surface.
Alcohol means any of the following compounds, when used as a fountain solution additive for
offset lithographic printing: ethanol, n-propanol, and isopropanol.
Alcohol Substitute means non-alcohol fountain solution additives including, but not limited to,
glycol ethers or ethylene glycol.
Conforming Operation means a press or presses that meet the standards established in 310 CMR
7.26(24)(d), (25)(a) or (26)(a).
Conductive Ink means an ink which transmits electricity and is used in the production of
electronic circuits.
Electron Beam Inks means inks which dry by a polymerization reaction induced by electrons
from an electron beam generator.
Extreme Performance Ink or Extreme Performance Coating means an ink or coating used in
screen printing on a non-porous substrate that is designed to resist or withstand any of the
following: more than two years of outdoor exposure or exposure to industrial-grade chemicals,
solvents, acids, or detergents, oil products, cosmetics, temperatures exceeding 76EC (170EF),
vacuum forming, embossing or molding.
Flexographic Printing means a printing system utilizing a flexible rubber or elastomeric image
carrier in which the image area is raised relative to the non-image area. The image is transferred
to the substrate through first applying ink to a smooth roller which in turn rolls the ink onto the
raised pattern of a rubber or elastomeric pad fastened around a second roller, which then rolls
the ink onto the substrate.
Gravure Printing means an intaglio printing operation in which the ink is transferred from wells
on a plate to the substrate by pressure, with excess ink removed from the surface of the plate,
which is supported by an impression roller, by a doctor blade.
HAP means an air contaminant listed by EPA as a HAP, pursuant to 42 U.S.C. 7401, § 112. That
list is incorporated by reference herein, together with all amendments and supplements thereto.
Heatset Inks means inks used to set or fix the ink pigment and binding resins to the substrate.
Heatset Press means an offset lithographic printing press, where the solvent component of the
ink is driven off with the use of heat from dryers or ovens. Thermography is not included in this
definition.
Incidental Material(s) means one or more VOC containing material(s) which do not, in total,
exceed 55 gallons per rolling 12 month period, and which do not comply with an applicable
standard set forth in 310 CMR 7.26(20) through (29).
Large Printer means a printer that:
(a) uses a total of more than 3,000 gallons of cleanup solution and inks/coatings/adhesives
with a VOC content greater than 10% by weight as applied, per rolling 12 month period; or
(b) after March 9, 2020, emits more than ten tons of VOC facility-wide per rolling 12
month period based on materials used before the application of air pollution control
equipment.
Incidental material, ink used in non-heatset offset lithographic printing, water-based
ink/coating/adhesive, plastisol, electron beam ink and ultraviolet ink are excluded from this
calculation.
Letterpress Printing means a method where the image area is raised relative to the non-image
area and the ink is transferred to the substrate directly from the image surface.
Metallic Ink means an ink that contains greater than 50 grams of metal per liter (0.4 lb/gal) of
ink.
Midsize Printer means a printer that:
(a) uses a total of more than 275 and no more than 3000 gallons of cleanup solution and
inks/coatings/adhesives with a VOC content greater than 10% by weight as applied, per
rolling 12 month period; or
(b) uses a total of more than 55 gallons of alcohol per rolling 12 month period and a total
of no more than 3000 gallons of cleanup solution, and inks/coatings/adhesives with a VOC
content greater than 10% by weight as applied, per rolling 12 month period; or
(c) after March 9, 2020, does not meet the definition of a large printer and emits, before any
application of add-on air pollution capture and control equipment, equal to or greater than
15 pounds of VOC per day or, in the alternative, equal to or greater than three tons of VOC
per rolling 12 month period from offset lithographic printing operations and related cleaning
operations, or letterpress printing operations and related cleaning operations.
Incidental material, ink used in non-heatset offset lithographic printing, water-based
ink/coating/adhesive, plastisol, electron beam ink, and ultraviolet ink are excluded from this
calculation.
Non-conforming Operation means a press or presses that use(s) ink, coating, or adhesive which
do not meet the standards established in 310 CMR 7.26(24)(d), 310 CMR 7.26(25)(a), or 310
CMR 7.26(26)(a) at a printer who has demonstrated that it is technically or economically
infeasible to use ink, coating, or adhesive that meets those standards.
Non-heatset Offset Lithographic Printing means offset lithographic printing in which the ink
dries by oxidation and absorption into the substrate without the use of heat from dryers or ovens.
Offset Lithographic Printing means a planeographic method in which the image and non-image
areas are on the same plane.
Plastisol Ink(s) means a dispersion of finely divided resin in a plasticizer.
Printer means the owner or operator of a facility subject to 310 CMR 7.26(20) through (29)
pursuant to 310 CMR 7.26(21).
Rolling 12 Month Period means any consecutive 12 month period of time.
Screen Printing means a process where the printing ink passes through a web or a fabric to which
a refined form of stencil has been applied. The stencil openings determine the form and
dimensions of the imprint.
SDS means a Safety Data Sheet.
Small Printer means a printer that:
(a) does not qualify as a Very Small Printer; and
(b) 1. uses a total of no more than 275 gallons of cleanup solution and inks/coatings/
adhesives with a VOC content greater than 10% by weight as applied per rolling 12
month period; and
2. uses less than or equal to 55 gallons of alcohol per rolling 12 month period.
Incidental material, ink used in non-heatset offset lithographic printing, water-based
ink/coating/adhesive, plastisol, electron beam ink and ultraviolet ink are excluded from this
calculation.
Solvent means organic compounds which are used as adhesives, diluents, thinners, dissolvers,
viscosity reducers, cleaning agents or for other similar uses.
Thermography means a process for simulating a raised printed surface by dusting the wet ink
with a resinous material and then fusing it to the ink with heat to produce a raised effect.
Ultraviolet Inks mean inks which dry by a polymerization reaction induced by ultraviolet energy.
Very Small Printer means a printer that:
(a) is connected to municipal sewer;
(b) uses a total of no more than 55 gallons of cleanup solution and inks/coatings/adhesives
with a VOC content greater than 10% by weight as applied per rolling 12 month period;
(c) uses no more than 55 gallons of alcohol per rolling 12 month period; and
(d) generates no more than 55 gallons of hazardous waste per rolling 12 month period.
Incidental material, ink used in non-heatset offset lithographic printing, water-based
ink/coating/adhesive, plastisol, electron beam ink and ultraviolet ink are excluded from the
calculation in 310 CMR 7.26: Very Small Printer(b).
Water-based Ink/Coating/Adhesives means an ink, coating, or adhesive with a VOC content less
than or equal to 10% by weight as applied.
(23) Rules for Permitted Facilities:
(a) Each printing press shall be operated on or after May 1, 1998 in compliance with the
standards and requirements set forth in 310 CMR 7.26(20) through (29) except in the
following situations:
1. (Reserved)
2. if a heatset press or non-conforming operation at a facility that, based on materials
used before the application of air pollution control equipment, emits no more than ten
tons of VOCs facility-wide on a rolling 12 month period, is covered by a plan approval
pursuant to 310 CMR 7.02(1) issued prior to May 1, 1998, then the heatset press or non-
conforming operation may either be operated in compliance with that plan approval or
operated in compliance with the applicable requirements set forth in 310 CMR
7.26(27)(a)1. and 2., except to the extent applicable requirements of 310 CMR 7.18
become more stringent than those in the plan approval or 310 CMR 7.26.
3. if a heatset press or non-conforming operation at a facility that, based on materials
used before the application of air pollution control equipment, emits more than ten tons
of VOCs facility-wide on a rolling 12 month period, is covered by a plan approval
pursuant to 310 CMR 7.02(1) or a permit pursuant to 310 CMR 7.02(9), then that heatset
press or non-conforming operation shall be operated in compliance with the terms and
conditions of that plan approval or permit , except to the extent applicable requirements
of 310 CMR 7.18 or 7.26 become more stringent than those in the plan approval or
permit.
4. The following provisions take effect on March 9, 2020: 310 CMR 7.26(24)(a)1.b.,
2.a.ii., (25)(b)2.b., (28)(b)5., and (c)6.
(24) Standards for Non-heatset Offset Lithographic Printing:
(a) Fountain solution standards for midsize and large printers: The following standards
apply to midsize and large printers, except that they do not apply to the fountain solution in
a press with a fountain solution reservoir that holds less than or equal to one gallon. Printers
may calculate the percent of alcohol in fountain solution using the methodology set forth in
310 CMR 7.26(24)(a)3.:
1. For Web-fed Presses: fountain solution shall:
a. not contain any alcohol; and
b. contain no more than 5% alcohol substitutes by weight as applied.
2. For Sheet-fed Presses, except for a sheet-fed press with maximum sheet size of 11
by 17 inches or smaller:
a. unrefrigerated fountain solution shall either:
i. contain no more than 5.0% VOC by weight as applied; or
ii. contain no more than 5% alcohol substitutes by weight as applied and contain
no alcohol; and
b. refrigerated fountain solution shall contain no more than 8% VOC by weight as
applied, and shall be refrigerated to a temperature of less than 60E F.
(b) Fountain Solution Tank Standard: Fountain solution mixing and storage tanks shall be
covered, except when adding or removing solution.
(c) Work Practices and Emission Limitations for Printing and Cleaning Operations.
1. Any person subject to 310 CMR 7.26(20) shall comply with the work practices of
310 CMR 7.18(31)(e).
2. Cleanup solution used to clean an offset lithographic printing press shall meet at least
one of the following standards, except that these standards do not apply to incidental
materials:
a. shall not exceed 70% VOC by weight as applied, calculated pursuant to EPA test
method 24; or
b. shall have a VOC composite partial pressure of 10 mmHg or less at 20°C (68EF)
(d) Adhesive standard for midsize and large printers: Adhesives shall meet the following
limit for VOC content, expressed in grams VOC per liter of product as applied (pounds per
gallon), less water:
Adhesive 300 (2.5)
(25) Gravure , Letterpress, and Flexographic Printing:
(a) Ink, Coating, and Adhesive Standards for Midsize and Large Printers. The following
standards apply to midsize and large printers. Inks, coatings, and adhesives, except
incidental materials, shall meet the following limits for VOC content, expressed in grams
VOC per liter of product as applied (pounds per gallon), less water:
Ink
300 (2.5)
Coating
300 (2.5)
Adhesive 150 (1.25)
(b) Work Practices and Emission Limitations for Printing and Cleaning Operations.
1. Any person subject to 310 CMR 7.26(20) shall comply with the work practices of
310 CMR 7.18(31)(e).
2. Cleanup solution shall meet the following standards, except that these standards do
not apply to incidental materials:
a. cleanup solution shall have a VOC composite partial pressure of 25 mm Hg or
less at 20EC (68EF); and
b. cleanup solution used to clean a letterpress printing press at a midsize or large
printer, as of the effective date in 310 CMR 7.26(23)(a)4., shall:
i. have a VOC composite partial pressure of less than 10 mm Hg at 20°C (68°F);
or
ii. contain less than 70% VOC by weight.
(26) Screen Printing:
(a) Ink, Coating, and Adhesive Standards for Midsize and Large Printers: The following
standard applies to midsize and large printers. Inks, coatings, and adhesives, except
incidental materials, used in screen printing shall meet the following limits for VOC content,
expressed in grams VOC per liter of product as applied (pounds per gallon), less water:
Ink
400 (3.3)
Coating
400 (3.3)
Adhesive
400 (3.3)
Extreme Performance Ink/Coating
800 (6.7)
Metallic Ink
400 (3.3)
Conductive Ink
850 (7.1)
(b) Work Practices and Emission Limitations for Printing and Cleaning Operations.
1. Any person subject to 310 CMR 7.26(20) shall comply with the work practices of
310 CMR 7.18(31)(e).
2. Cleanup solution used in screen printing shall have a VOC composite partial pressure
of 5.0 mm Hg or less at 20EC (68EF) except that this standard does not apply to
incidental materials.
(27) Printers with Heatset Presses or Non-conforming Operations:
(a) A printer that emits no more than ten tons of actual VOC emissions facility-wide on a
rolling 12 month period based on raw material inputs may operate a heatset press(es) or non-
conforming operation(s) without a plan approval or permit pursuant to 310 CMR 7.02(1) or
310 CMR 7.02(9), provided that:
1. with respect to the heatset press(es), the printer operates such presses in compliance
with cleanup solution standards set forth in 310 CMR 7.26(24)(c), the fountain solution
requirement for web-fed lithographic presses set forth in 310 CMR 7.26(24)(a)1., and
applicable recordkeeping requirements set forth in 310 CMR 7.26(28). In addition, the
printer shall calculate and keep records of actual VOC and HAP emissions per calendar
month based on each VOC and each HAP containing compound used at the facility
pursuant to 310 CMR 7.26(28)(c)3.
2. with respect to the non-conforming operation(s), the printer operates in compliance
with applicable cleanup solution standards set forth in 310 CMR 7.26(25)(b) and
310 CMR 7.26(26)(b), and applicable recordkeeping requirements set forth in 310 CMR
7.26(28). In addition, the printer shall calculate and keep records of actual VOC and
HAP emissions per calendar month based on each VOC and each HAP containing
compound used at the facility pursuant to 310 CMR 7.26(28)(c)3.
(b) A printer that emits no more than ten tons of actual VOCs facility-wide on a rolling 12
month period based on approved control equipment or other enforceable restrictions
contained in a plan approval or permit issued pursuant to 310 CMR 7.02(1) or (9), including
but not limited to production and operational restrictions, may install one or more heatset
presses or non-conforming operations without obtaining a plan approval or permit pursuant
to 310 CMR 7.02(1) or (9) for the new press(es) or operation(s) provided that:
1. installation of the new heatset press(es) or non-conforming operation(s) will not
result in more than ten tons per year (TPY) of actual VOC emissions facility-wide on a
rolling 12 month period based on:
a. raw material inputs associated with the new press(es) or operation(s); and
b. with respect to existing heatset press(es) or non-conforming operation(s),
approved control equipment or other enforceable restrictions, including but not
limited to production and operational restrictions; and,
2. with respect to the new press(es) or operation(s), the printer complies with the
requirements set forth in 310 CMR 7.26(27)(a)1. and 2.
(c) A printer that emits more than ten tons of actual VOCs facility-wide on a rolling 12
month period based on raw material inputs or enforceable restrictions contained in a plan
approval or permit issued pursuant to 310 CMR 7.02(1) or (9), including but not limited to
production and operational restrictions, shall, with respect to heatset press(es) or non-
conforming operation(s), comply with the terms and conditions of a plan approval or permit
issued pursuant to 310 CMR 7.02(1) or (9), except to the extent applicable requirements of
310 CMR 7.18 or 7.26 become more stringent than those in the plan approval or permit.
(d) Notwithstanding 310 CMR 7.26(27)(c), a printer that emits more than ten tons of actual
VOCs facility-wide on a rolling 12-month period based on raw material inputs or enforceable
restrictions contained in a plan approval or permit issued pursuant to 310 CMR 7.02(1) or
(9), including but not limited to production and operational restrictions, need not obtain a
plan approval or permit pursuant to 310 CMR 7.02(1) or (9) for existing press(es) or
operation(s) provided that:
1. installation of the existing heatset press(es) or non-conforming operation(s) occurred
such that the actual VOC emissions facility-wide on a rolling 12 month period based on
raw material inputs or enforceable restrictions contained in a plan approval or permit
issued pursuant to 310 CMR 7.02(1) or (9) including, but not limited to, production and
operational restrictions were less than or equal to ten tons per year; and,
2. such presses or operations comply with the requirements set forth in 310 CMR
7.26(27)(a)1. and 2..
(28) Recordkeeping: Each printer shall maintain records sufficient to demonstrate compliance.
Such records shall be kept on-site for at least five years, and shall be made available to
representatives of the Department upon request. Such records shall include, but are not limited
to, the following:
(a) Each small printer or very small printer shall maintain:
1. monthly purchase or usage records sufficient to demonstrate that the printer is a small
printer or very small printer, including but not limited to records concerning cleanup
solutions, alcohol, inks, coatings, adhesives and incidental materials, excluding water-
based inks/coatings/ adhesives, electron beam inks, ultraviolet inks, plastisol inks, and
inks used in non-heatset offset lithographic printing;
2. records demonstrating that cleanup solutions are in compliance with applicable
standards set forth in 310 CMR 7.26(20) through (29) according to EPA test method 24
or 24A, as applicable, or an equivalent test methodology as determined by the
Department and EPA, and appropriate documentation indicating compliance with the
VOC composite partial pressure as defined in 310 CMR 7.00; and,
3. for water-based inks/coatings/adhesives, electron beam inks, ultraviolet inks, and
plastisol inks, SDSs or other records demonstrating that the ink/coating/adhesive is
water-based, ultraviolet, electron beam, or plastisol as applicable.
(b) Each midsize printer shall maintain:
1. monthly purchase or usage records sufficient to demonstrate that the printer is a
midsize printer, including but not limited to records concerning cleanup solutions, inks,
coatings, adhesives, electron beam inks, and incidental materials, excluding water-based
inks/coatings/adhesives, electron beam inks, ultraviolet inks, plastisol inks, and inks used
in non-heatset offset lithographic printing;
2. records demonstrating that cleanup solutions, inks, coatings, and adhesives are in
compliance with applicable standards set forth in 310 CMR 7.26(20) through (29)
according to EPA test method 24 or 24A, as applicable, or an equivalent test
methodology as determined by the Department and EPA, and appropriate documentation
indicating compliance with the VOC composite partial pressure as defined in 310 CMR
7.00;
3. records of the percent by weight of VOC in fountain solution as determined each time
alcohol or alcohol mix is used to mix a new batch of fountain solution and each time it
is added to fountain solution on-press, based on analytical data, and the proportions of
the constituents mixed;
4. the daily temperature of fountain solutions required to be refrigerated pursuant to
310 CMR 7.26(24)(a)2.b. when alcohol content is greater than 5% by weight;
5. records of the percent by weight of alcohol substitutes in fountain solution as
determined each time alcohol substitutes are used to mix a new batch of fountain solution
and each time alcohol substitutes are added to fountain solution on-press, based on
analytical data, and the proportions of the constituents mixed;
6. for water-based inks/coatings/adhesives, electron beam inks, ultraviolet inks, and
plastisol inks, SDSs or other records demonstrating that the ink/coating/adhesive is
water-based, electron beam, ultraviolet, or plastisol as applicable; and,
7. printers using alcohol-free fountain solution on web-fed or sheetfed non-heatset offset
lithographic printing presses, records (e.g., SDSs) demonstrating that the fountain
solution constituents are alcohol-free.
(c) Each large printer shall maintain:
1. monthly purchase or usage records sufficient to demonstrate that the printer is a large
printer including, but not limited to, records concerning cleanup solutions, inks, coatings,
adhesives and incidental materials, excluding water based inks/coatings/adhesives,
electron beam inks, ultraviolet inks, plastisol inks, and inks used in non-heatset offset
lithographic printing;
2. records demonstrating that cleanup solutions, inks, coatings, and adhesives are in
compliance with applicable standards set forth in 310 CMR 7.26(20) through (29) ac-
cording to EPA test method 24 or 24A, as applicable, or an equivalent test methodology
as determined by the Department and EPA, and appropriate documentation indicating
compliance with the VOC composite partial pressure as defined in 310 CMR 7.00;
3. a calculation of actual emissions per calendar month based on all VOC and each HAP
containing compound used at the facility. VOC emissions from non-heatset, non-
vegetable-based inks used in lithography shall be calculated by assuming that 5% of the
inks' VOCs are emitted to the atmosphere and 95% are retained in the paper. VOC
emissions from heatset, non-vegetable-based inks used in lithography shall be calculated
by assuming that 80% of the inks' VOCs are emitted to the atmosphere and 20% are
retained in the paper. VOC emissions from vegetable-based inks used in lithography
shall be calculated by assuming that none of the inks’ VOCs are emitted to the
atmosphere are 100% are retained in the paper. VOC emissions from cleaning materials
in shop towels shall be calculated by assuming that 50% of the VOCs are emitted to the
atmosphere and 50% are retained in the towels, only if VOC composite vapor pressure
of the cleaning material is less than 10 mm Hg at 20EC and cleaning materials and used
ship towels are kept in closed containers.
4. the percent by weight of VOC in fountain solution as determined each time alcohol
or alcohol mix is used to mix a new batch of fountain solution and each time it is added
to fountain solution on-press, based on analytical data and the proportions of the
constituents mixed;
5. the daily temperature of fountain solutions required to be refrigerated pursuant to
310 CMR 7.26(24)(a)2.b. when alcohol content is greater than 5% by weight;
6. records of the percent by weight of alcohol substitutes in fountain solution as
determined each time alcohol substitutes are used to mix a new batch of fountain solution
and each time alcohol substitutes are added to fountain solution on-press, based on
analytical data, and the properties of the constituents mixed.
7. for water-based inks/coatings/adhesives, ultraviolet inks, electron beam inks, and
plastisol inks, MSDSs or other records demonstrating that the ink/coating/adhesive is
water-based, ultraviolet, electron beam, or plastisol as applicable; and,
8. printers using alcohol-free fountain solution on web-fed or sheetfed non-heatset offset
lithographic printing presses, records (e.g., SDSs) demonstrating that the fountain
solution constituents are alcohol-free.
(29) Compliance Certification Requirement:
(a) Beginning on September 15, 2006, each printer, except very small printers, shall submit
to the Department a compliance certification on a form prescribed by the Department, in
accordance with 310 CMR 70.00: Environmental Results Program Certification and
310 CMR 7.26(29). As part of the certification, each large printer shall submit information
the Department may specify, including:
1. the nature and amounts of emissions from the facility,
2. information which may be needed to determine the nature and amounts of emissions
from the facility, and
3. any other information pertaining to the facility which the Department requires.
(b) 1. If, during the course of the certification period, a printer installs a new printing press
or makes operational changes which will cause a modification of its size classification,
the printer shall, within 60 days of operation of the new press or actual operational
changes respectively, notify the Department in writing. Such printer shall comply with
310 CMR 7.26(20) through (29) based on the applicable new size classification as soon
as the new press is operating or the operational change is made.
2. If, on March 9, 2020, a printer that formerly met the definition of a very small printer
or small printer meets the definition of a midsize printer or a large printer, the printer
shall, on or before March 9, 2020, notify the Department in writing. Such printer shall
comply with 310 CMR 7.26(20) through (29) based on the applicable new size
classification on and after March 9, 2020.
(c) If, during the course of the certification period, a printer relinquishes an existing plan
approval in accordance with 310 CMR 7.26(23)(a)2., then within 30 days of such change the
printer shall notify the Department in writing.
(30) U Boilers – Applicability. Except as provided in 310 CMR 7.26(30)(a) and (b), the
provisions of 310 CMR 7.26(30) through (37) apply to any person who owns or operates a boiler
installed on or after September 14, 2001, with a heat input rating equal to or greater than
10,000,000 Btu per hour, but less than 40,000,000 Btu per hour. Complying with the criteria in
310 CMR 7.26(30) through (37) does not relieve the owner or operator from his or her
applicability to the requirements of 40 CFR 60 Subpart Dc – Standards of Performance for Small
Industrial – Commercial Steam Generating Units, 40 CFR 63 Subpart DDDDD – National
Emission Standards for Hazardous Air Pollutants for Major Sources: Industrial, Commercial,
and Institutional Boilers and Process Heaters, or 40 CFR 63 Subpart JJJJJJ – National Emission
Standards for Hazardous Air Pollutants for Industrial, Commercial, and Institutional Boilers Area
Sources.
(a) The provisions of 310 CMR 7.26(30) through (37) do not apply to any person who is an
owner or operator of a facility:
1. who proposes to install a wood fuel-fired boiler with a heat input rating equal to or
greater than 10,000,000 Btu per hour, but less than 40,000,000 Btu per hour; however,
310 CMR 7.02(5) does apply; or
2. who installs a temporary boiler in accordance with 310 CMR 7.03(23).
(b) If installation of a boiler would cause the facility to be subject to 310 CMR