Current through Register Vol. 41, No. 3, September 23, 2024
A. Unless otherwise
approved by the board, owners of existing sources specified in the applicable
emission standard shall install, calibrate, maintain and operate systems for
continuously monitoring and recording emissions of specified pollutants.
However, nothing in this chapter shall exempt any owner from complying with
subsection F of this section.
B.
All continuous monitoring systems and monitoring devices shall be installed and
operational by July 5, 1983. Verification of operational status shall, as a
minimum, consist of the completion of the conditioning period specified by
applicable requirements in Appendix B of 40 CFR Part 60.
C. Within 30 days after the date set forth in
subsection B of this section and at such other times as may be requested by the
board, the owner of any existing source shall conduct continuous monitoring
system performance evaluations and furnish the board within 60 days of them two
or, upon request, more copies of a written report of the results of such
tests.
D. Unless otherwise approved
by the board, all continuous monitoring systems required by subsection A of
this section shall be installed, calibrated, maintained and operated in
accordance with applicable requirements in this section,
9VAC5-40-41, and the applicable
emission standard.
E. After receipt
and consideration of written application, the board may approve alternatives to
any monitoring procedures or requirements of this chapter including, but not
limited to, the following:
1. Alternative
monitoring requirements when installation of a continuous monitoring system or
monitoring device specified by this chapter would not provide accurate
measurements due to liquid water or other interferences caused by substances
within the effluent gases.
2.
Alternative monitoring requirements when the source is infrequently
operated.
3. Alternative monitoring
requirements to accommodate continuous monitoring systems that require
additional measurements to correct for stack moisture conditions.
4. Alternative locations for installing
continuous monitoring systems or monitoring devices when the owner can
demonstrate the installation at alternate locations will enable accurate and
representative measurements.
5.
Alternative methods of converting pollutant concentration measurements to units
of the standards.
6. Alternative
procedures for computing emission averages that do not require integration of
data (e.g., some facilities may demonstrate that the variability of their
emissions is sufficiently small to allow accurate reduction of data based upon
computing averages from equally spaced data points over the averaging
period).
7. Alternative monitoring
requirements when the effluent from a single source or the combined effluent
from two or more sources are released to the atmosphere through more than one
point.
8. Alternative procedures
for performing calibration checks.
9. Alternative monitoring requirements when
the requirements of this section would impose an extreme economic burden on the
owner.
10. Alternative monitoring
requirements when the continuous monitoring systems cannot be installed due to
physical limitations at the source.
11. Alternative continuous monitoring systems
that do not meet the design or performance requirements in Performance
Specification 1 of Appendix B of 40 CFR Part 60, but which adequately
demonstrate a definite and consistent relationship between its measurements and
the measurements of opacity by a system complying with the requirements in
Performance Specification 1 of Appendix B of 40 CFR Part 60. The board may
require that such demonstration be performed for each source.
12. Alternative monitoring systems that meet
the requirements of 40 CFR Part 75(i) if a source is subject to 40 CFR Part 75
or (ii) if the board determines that the requirements of 40 CFR Part 75 are
more appropriate for the source than the pertinent provisions of this
chapter.
F. Upon request
of the board, the owner of an existing source subject to the provisions of this
chapter shall install, calibrate, maintain and operate equipment for
continuously monitoring and recording emissions or process parameters or both
in accordance with methods and procedures acceptable to the board.
Statutory Authority
§ 10.1-1308 of the Code of Virginia.
