Current through Reg. 50, No. 13; March 28, 2025
(a) The owner or operator of any kraft pulp
mill subject to §
112.51 of this title (relating to
Emissions Limits for TRS Compounds from Kraft Pulp Mills) or §
112.53 of this title (relating to
Alternate Emissions Limitations) shall conduct continuous monitoring beginning
July 31, 1991, in accordance with the Monitoring of Emissions and Operations
promulgated by the Environmental Protection Agency at 40 Code of Federal
Regulations 60.284, hereby incorporated by reference, except:
(1) omit 40 Code of Federal Regulations
60.284(a)(1), relating to opacity monitoring;
(2) omit 40 Code of Federal Regulations
60.284(d)(1), relating to reporting of recovery furnace excess TRS emissions
and opacities;
(3) omit 40 Code of
Federal Regulations 60.284(d)(2), relating to reporting of lime kiln
emissions;
(4) omit 40 Code of
Federal Regulations 60.284(e)(1)(ii), relating to opacity violations;
(5) omit all references to the black liquor
oxidation system and brown stock washing system;
(6) substitute emission standards in 40 Code
of Federal Regulations 60.284(d) with those stated in §
112.51 of this title (relating to
emissions Limits for TRS Compounds from Kraft Pulp Mills) or approved under
§
112.53 of this title (relating to
Alternate Emissions Limitations); and
(7) substitute the term "administrator" with
"executive director."
(b) Emissions data from continuous monitors
required by subsection (a) of this section shall be processed in the following
manner.
(1) Data shall be calculated on a
12-hour average basis for the two consecutive periods of each operating day.
Each 12-hour average shall be determined as the arithmetic mean of the
appropriate 12 consecutive one-hour average TRS concentrations provided by each
continuous monitoring system required under subsection (a) of this
section.
(2) Data indicating
exceedances of emissions standards specified in §
112.51(b) of
this title (relating to Emissions Limits for TRS Compounds from Kraft Pulp
Mills) shall not be considered excessive if the executive director determines
that the facility is maintained and operated in a manner consistent with good
air pollution control practices and the following conditions are met:
(A) excess emissions are associated with
startup, shutdown, or malfunction;
(B) no more than 1.0% of the 12-hour averages
in each calendar quarter exceed applicable limits for recovery furnaces;
or
(C) no more than 2.0% of the
12-hour average in each calendar quarter exceed 20 ppm for lime
kilns.
(c)
The owner or operator of any kraft pulp mill affected by subsection (a) of this
section shall maintain the following records for two years and shall make such
records available to authorized representatives of the Texas Air Control Board
and/or local air pollution control agencies upon request:
(1) daily records of the continuous emissions
monitoring data consisting of 12-hour averaged TRS emissions;
(2) results of any stack tests conducted in
accordance with §
112.51(c) of
this title (relating to Emissions Limits for TRS Compounds from Kraft Pulp
Mills; and
(3) results of quarterly
inspections as required by §
112.55 of this title (relating to
Inspection Requirements).