Virginia Administrative Code
Title 9 - ENVIRONMENT
Agency 5 - STATE AIR POLLUTION CONTROL BOARD
Chapter 40 - EXISTING STATIONARY SOURCES
Part II - Emission Standards
Article 53 - Emission Standards for Lithographic Printing Processes (Rule 4-53)
Section 9VAC5-40-7900 - Monitoring
Universal Citation: 9 VA Admin Code 9VAC5-40-7900
Current through Register Vol. 41, No. 3, September 23, 2024
A. The provisions of 9VAC5-40-40(Monitoring) apply.
B. Add-on dryer exhaust control device.
1. The owner of a subject
heatset web offset lithographic printing press shall install, calibrate,
maintain, and operate a temperature monitoring device according to the
manufacturer's instructions at the outlet of the control device. The monitoring
temperature shall be set during the testing required to demonstrate compliance
with the emission standard in
9VAC5-40-7820 B. Monitoring shall
be performed only when the unit is operational.
2. The temperature monitoring device shall be
equipped with a continuous recorder. Both the temperature monitoring device and
the continuous recorder shall have an accuracy of 0.5°F.
3. The dryer pressure shall be maintained
lower than the pressroom air pressure so that air flows into the dryer at all
times when the press is operating. A 100% emissions capture efficiency for the
dryer shall be established using an air flow direction indicator, such as a
smoke stick or aluminum ribbons.
C. Fountain solution volatile organic compound concentration.
1. The purpose of
monitoring the volatile organic compound concentration in the fountain is to
provide data that can be correlated to the amount of material used when the
fountain solution contains alcohol and complies with the limits listed in
9VAC5-40-7820. The following
methods may be used to determine the concentration of alcohol in the fountain
solution in lieu of calculating the alcohol concentration using the protocol of
9VAC5-40-7890 E. The monitoring
requirements of subdivisions 1 a through c of this subsection shall be required
only if noncompliance with
9VAC5-40-7820 A is established.
a. The owner of any offset lithographic
printing press shall monitor the alcohol concentration of the fountain solution
with a refractometer that is corrected for temperature at least once for each
eight-hour shift or once per batch, whichever is longer. The refractometer
shall have a visual, analog, or digital readout with an accuracy of 0.5%. A
standard solution shall be used to calibrate the refractometer for the type of
alcohol used in the fountain. Alternatively, the refractometer shall be
standardized against measurements performed to determine compliance according
to the procedures described in
9VAC5-40-7890 D.
b. Alternatively, the owner of any offset
lithographic printing press shall monitor fountain solution alcohol
concentration with a hydrometer equipped with a temperature correction at least
once for each eight-hour shift or once per batch, whichever is longer. The
hydrometer shall have a visual, analog, or digital readout with an accuracy of
0.5%. A standard solution shall be used to calibrate the hydrometer for the
type of alcohol used in the fountain. Alternatively, the hydrometer shall be
standardized against measurements performed to determine compliance according
to the procedures described in
9VAC5-40-7890 D.
c. The volatile organic compound content of
the fountain solution may be monitored with a conductivity meter if it is
determined that a refractometer or hydrometer cannot be used for monitoring the
type of volatile organic compounds in the fountain solution. The conductivity
meter reading for the fountain solution shall be referenced to the conductivity
of the incoming water.
2. If, through recordkeeping for a period of
six months or more, the printing process is shown to consistently meet the
requirements in
9VAC5-40-7890 D, the monitoring
requirement may be waived or extended to a longer period of time.
D. Fountain solution temperature.
1. The owner of any offset lithographic
printing press using refrigeration equipment on the fountain shall install,
maintain, and continuously operate a temperature monitor of the fountain
solution reservoir.
2. The
temperature on the temperature monitor shall be read and recorded at least once
per operating day to verify that the refrigeration system is operating
properly.
Statutory Authority
§ 10.1-1308 of the Code of Virginia.
Disclaimer: These regulations may not be the most recent version. Virginia may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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