[Title 40 CFR 60.431]
[Code of Federal Regulations (annual edition) - July 1, 2009 Edition]
[Title 40 - PROTECTION OF ENVIRONMENT]
[Chapter I - ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)]
[Subchapter C - AIR PROGRAMS (CONTINUED)]
[Part 60 - STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES--]
[Subpart Qq - Standards of Performance for the Graphic Arts Industry:]
[Sec. 60.431 - Definitions and notations.]
[From the U.S. Government Printing Office]


40PROTECTION OF ENVIRONMENT62009-07-012009-07-01false60.431Sec. 60.431PROTECTION OF ENVIRONMENTENVIRONMENTAL PROTECTION AGENCY (CONTINUED)AIR PROGRAMS (CONTINUED)STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES--Standards of Performance for the Graphic Arts Industry:
Sec. 60.431  Definitions and notations.

    (a) All terms used in this subpart that are not defined below have 
the meaning given to them in the Act and in subpart A of this part.
    Automatic temperature compensator means a device that continuously 
senses the temperature of fluid flowing through a metering device and 
automatically adjusts the registration of the measured volume to the 
corrected equivalent volume at a base temperature.
    Base temperature means an arbitrary reference temperature for 
determining liquid densities or adjusting the measured volume of a 
liquid quantity.
    Density means the mass of a unit volume of liquid, expressed as 
grams per cubic centimeter, kilograms per liter, or pounds per gallon, 
at a specified temperature.
    Gravure cylinder means a printing cylinder with an intaglio image 
consisting of minute cells or indentations specially engraved or etched 
into the cylinder's surface to hold ink when continuously revolved 
through a fountain of ink.
    Performance averaging period means 30 calendar days, one calendar 
month, or four consecutive weeks as specified in sections of this 
subpart.
    Proof press means any device used only to check the quality of the 
image formation of newly engraved or etched gravure cylinders and prints 
only non-saleable items.
    Publication rotogravure printing press means any number of 
rotogravure printing units capable of printing simultaneously on the 
same continuous web or substrate and includes any associated device for 
continuously cutting and folding the printed web, where the following 
saleable paper products are printed:

    Catalogues, including mail order and premium,
    Direct mail advertisements, including circulars, letters, pamphlets, 
cards, and printed envelopes,
    Display advertisements, including general posters, outdoor 
advertisements, car cards, window posters; counter and floor displays; 
point-of-purchase, and other printed display material,
    Magazines,
    Miscellaneous advertisements, including brochures, pamphlets, 
catalogue sheets, circular folders, announcements, package inserts, book 
jackets, market circulars, magazine inserts, and shopping news,
    Newspapers, magazine and comic supplements for newspapers, and 
preprinted newspaper inserts, including hi-fi and spectacolor rolls and 
sections,
    Periodicals, and
    Telephone and other directories, including business reference 
services.

    Raw ink means all purchased ink.
    Related coatings means all non-ink purchased liquids and liquid-
solid mixtures containing VOC solvent, usually referred to as extenders 
or varnishes, that are used at publication rotogravure printing presses.
    Rotogravure printing unit means any device designed to print one 
color ink on one side of a continuous web or substrate using a gravure 
cylinder.
    Solvent-borne ink systems means ink and related coating mixtures 
whose

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volatile portion consists essentially of VOC solvent with not more than 
five weight percent water, as applied to the gravure cylinder.
    Solvent recovery system means an air pollution control system by 
which VOC solvent vapors in air or other gases are captured and directed 
through a condenser(s) or a vessel(s) containing beds of activated 
carbon or other adsorbents. For the condensation method, the solvent is 
recovered directly from the condenser. For the adsorption method, the 
vapors are adsorbed, then desorbed by steam or other media, and finally 
condensed and recovered.
    VOC means volatile organic compound.
    VOC solvent means an organic liquid or liquid mixture consisting of 
VOC components.
    Waterborne ink systems means ink and related coating mixtures whose 
volatile portion consists of a mixture of VOC solvent and more than five 
weight percent water, as applied to the gravure cylinder.
    (b) Symbols used in this subpart are defined as follows:

DB=the density at the base temperature of VOC solvent used or 
recovered during one performance averaging period.
Dci=the density of each color of raw ink and each related 
coating (i) used at the subject facility (or facilities), at the coating 
temperature when the volume of coating used is measured.
Ddi=the density of each VOC solvent (i) added to the ink for 
dilution at the subject facility (or facilities), at the solvent 
temperature when the volume of solvent used is measured.
Dgi=the density of each VOC solvent (i) used as a cleaning 
agent at the subject facility (or facilities), at the solvent 
temperature when the volume of cleaning solvent used is measured.
Dhi=the density of each quantity of water (i) added at the 
subject facility (or facilities) for dilution of waterborne ink systems 
at the water temperature when the volume of dilution water used is 
measured.
Dmi=the density of each quantity of VOC solvent and 
miscellaneous solvent-borne waste inks and waste VOC solvents (i) 
recovered from the subject facility (or facilities), at the solvent 
temperature when the volume of solvent recovered is measured.
Doi=the density of the VOC solvent contained in each raw ink 
and related coating (i) used at the subject facility (or facilities), at 
the coating temperature when the volume of coating used is measured.
Dwi=the density of the water contained in each waterborne raw 
ink and related coating (i) used at the subject facility (or 
facilities), at the coating temperature when the volume of coating used 
is measured.
Lci=the measured liquid volume of each color of raw ink and 
each related coating (i) used at the facility of a corresponding VOC 
content, Voi or Woi, with a VOC density, 
Doi, and a coating density, Dci.
Ldi=the measured liquid volume of each VOC solvent (i) with 
corresponding density, Ddi, added to dilute the ink used at 
the subject facility (or facilities)
Mci=the mass, determined by direct weighing, of each color of 
raw ink and each related coating (i) used at the subject facility (or 
facilities).
Md=the mass, determined by direct weighing, of VOC solvent 
added to dilute the ink used at the subject facility (or facilities) 
during one performance averaging period.
Mg=the mass, determined by direct weighing, of VOC solvent 
used as a cleaning agent at the subject facility (or facilities) during 
one performance averaging period.
Mh=the mass, determined by direct weighing, of water added 
for dilution with waterborne ink systems used at the subject facility 
(or facilities) during one performance averaging period.
Mm=the mass, determined by direct weighing, of VOC solvent 
and miscellaneous solvent-borne waste inks and waste VOC solvents 
recovered from the subject facility (or facilities) during one 
performance averaging period.
Mo=the total mass of VOC solvent contained in the raw inks 
and related coatings used at the subject facility (or facilities) during 
one performance averaging period.
Mr=the total mass of VOC solvent recovered from the subject 
facility (or facilities) during one performance averaging period.
Mt=the total mass of VOC solvent used at the subject facility 
(or facilities) during one performance averaging period.
Mv=the total mass of water used with waterborne ink systems 
at the subject facility (or facilities) during one performance averaging 
period.
Mw=the total mass of water contained in the waterborne raw 
inks and related coatings used at the subject facility (or facilities) 
during one performance averaging period.
P=the average VOC emission percentage for the subject facility (or 
facilities) for one performance averaging period.
Voi=the liquid VOC content, expressed as a volume fraction of 
VOC volume per total volume of coating, of each color of raw ink and 
related coating (i) used at the subject facility (or facilities).
Vwi=the water content, expressed as a volume fraction of 
water volume per total volume of coating, of each color of waterborne

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raw ink and related coating (i) used at the subject facility (or 
facilities).
Woi=the VOC content, expressed as a weight fraction of mass 
of VOC per total mass of coating, of each color of raw ink and related 
coating (i) used at the subject facility (or facilities).
Wwi=the water content, expressed as a weight fraction of mass 
of water per total mass of coating, of each color of waterborne raw ink 
and related coating (i) used at the subject facility (or facilities).

    (c) The following subscripts are used in this subpart with the above 
symbols to denote the applicable facility:

a=affected facility.
b=both affected and existing facilities controlled in common by the same 
air pollution control equipment.
e=existing facility.
f=all affected and existing facilities located within the same plant 
boundary.

[47 FR 50649, Nov. 8, 1982, as amended at 65 FR 61761, Oct. 17, 2000]