[Code of Federal Regulations]
[Title 40, Volume 14]
[Revised as of July 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR75.4]

[Page 206-209]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 75--CONTINUOUS EMISSION MONITORING--Table of Contents
 
                           Subpart A--General
 
Sec. 75.4  Compliance dates.

    (a) The provisions of this part apply to each existing Phase I and 
Phase II unit on February 10, 1993. For substitution or compensating 
units that are so designated under the Acid Rain permit which governs 
that unit and contains the approved substitution or reduced utilization 
plan, pursuant to Sec. 72.41 or Sec. 72.43 of this chapter, the 
provisions of this part become applicable upon the issuance date of the 
Acid Rain permit. For combustion sources seeking to enter the Opt-in 
Program in accordance with part 74 of this chapter, the provisions of 
this part become applicable upon the submission of an opt-in permit 
application in accordance with Sec. 74.14 of this chapter. The 
provisions of this part for the monitoring, recording, and reporting of 
NOX mass emissions become applicable on the deadlines 
specified in the applicable State or federal NOX mass 
emission reduction program, to the extent these provisions are adopted 
as requirements under such a program. In accordance with Sec. 75.20, the 
owner or operator of each existing affected unit shall ensure that all 
monitoring systems required by this part for monitoring SO2, 
NOX, CO2, opacity, moisture and volumetric flow 
are installed and that all certification tests are completed no later 
than the following dates (except as provided in paragraphs (d) through 
(i) of this section):
    (1) For a unit listed in table 1 of Sec. 73.10(a) of this chapter, 
November 15, 1993.
    (2) For a substitution or a compensating unit that is designated 
under an approved substitution plan or reduced utilization plan pursuant 
to Sec. 72.41 or Sec. 72.43 of this chapter, or for a unit that is 
designated an early election unit under an approved 
NO[] 
compliance

[[Page 207]]

plan pursuant to part 76 of this chapter, that is not conditionally 
approved and that is effective for 1995, the earlier of the following 
dates:
    (i) January 1, 1995; or
    (ii) 90 days after the issuance date of the Acid Rain permit (or 
date of approval of permit revision) that governs the unit and contains 
the approved substitution plan, reduced utilization plan, or 
NO[] 
compliance plan.
    (3) For either a Phase II unit, other than a gas-fired unit or an 
oil-fired unit, or a substitution or compensating unit that is not a 
substitution or compensating unit under paragraph (a)(2) of this 
section: January 1, 1995.
    (4) For a gas-fired Phase II unit or an oil-fired Phase II unit, 
January 1, 1995, except that installation and certification tests for 
continuous emission monitoring systems for 
NO[] and 
CO2 or excepted monitoring systems for 
NO[] under 
appendix E or CO2 estimation under appendix G of this part 
shall be completed as follows:
    (i) For an oil-fired Phase II unit or a gas-fired Phase II unit 
located in an ozone nonattainment area or the ozone transport region, 
not later than July 1, 1995; or
    (ii) For an oil-fired Phase II unit or a gas-fired Phase II unit not 
located in an ozone nonattainment area or the ozone transport region, 
not later than January 1, 1996.
    (5) For combustion sources seeking to enter the Opt-in Program in 
accordance with part 74 of this chapter, the expiration date of a 
combustion source's opt-in permit under Sec. 74.14(e) of this chapter.
    (b) In accordance with Sec. 75.20, the owner or operator of each new 
affected unit shall ensure that all monitoring systems required under 
this part for monitoring of SO2, 
NO[], 
CO2, opacity, and volumetric flow are installed and all 
certification tests are completed on or before the later of the 
following dates:
    (1) January 1, 1995, except that for a gas-fired unit or oil-fired 
unit located in an ozone nonattainment area or the ozone transport 
region, the date for installation and completion of all certification 
tests for NO[] 
and CO2 monitoring systems shall be July 1, 1995 and for a 
gas-fired unit or an oil-fired unit not located in an ozone 
nonattainment area or the ozone transport region, the date for 
installation and completion of all certification tests for 
NO[] and 
CO2 monitoring systems shall be January 1, 1996; or
    (2) The earlier of 90 unit operating days or 180 calendar days after 
the date the unit commences commercial operation, notice of which date 
shall be provided under subpart G of this part.
    (c) In accordance with Sec. 75.20, the owner or operator of any unit 
affected under any paragraph of Sec. 72.6(a)(3) (ii) through (vii) of 
this chapter shall ensure that all monitoring systems required under 
this part for monitoring of SO2, 
NO[], 
CO2, opacity, and volumetric flow are installed and all 
certification tests are completed on or before the later of the 
following dates:
    (1) January 1, 1995, except that for a gas-fired unit or oil-fired 
unit located in an ozone nonattainment area or the ozone transport 
region, the date for installation and completion of all certification 
tests for NO[] 
and CO2 monitoring systems shall be July 1, 1995 and for a 
gas-fired unit or an oil-fired unit not located in an ozone 
nonattainment area or the ozone transport region, the date for 
installation and completion of all certification tests for 
NO[] and 
CO2 monitoring systems shall be January 1, 1996; or
    (2) The earlier of 90 unit operating days or 180 calendar days after 
the date the unit first operates after becoming subject to the 
requirements of the Acid Rain Program, notice of which date shall be 
provided under subpart G of this part.
    (d) In accordance with Sec. 75.20, the owner or operator of an 
existing unit that is shutdown and is not yet operating by the 
applicable dates listed in paragraph (a) of this section, or an existing 
unit which has been placed in long-term cold storage after having 
previously reported emissions data in accordance with this part, shall 
ensure that all monitoring systems required under this part for 
monitoring of SO2, NOX, CO2, opacity, 
and volumetric flow are installed and all certification tests are 
completed no later than 90 unit operating days or 180 calendar days 
(whichever occurs first) after the date that the unit recommences 
commercial

[[Page 208]]

operation, notice of which date shall be provided under subpart G of 
this part. The owner or operator shall determine and report 
SO2 concentration, 
NO[] emission 
rate, CO2 concentration, and flow data for all unit operating 
hours after the applicable compliance date in paragraph (a) of this 
section until all required certification tests are successfully 
completed using either:
    (1) The maximum potential concentration of SO2 (as 
defined in section 2.1.1.1 of appendix A to this part), the maximum 
potential NOX emission rate, as defined in Sec. 72.2 of this 
chapter, the maximum potential flow rate, as defined in section 2.1.4.1 
of appendix A to this part, or the maximum potential CO2 
concentration, as defined in section 2.1.3.1 of appendix A to this part;
    (2) Reference methods under Sec. 75.22(b); or
    (3) Another procedure approved by the Administrator pursuant to a 
petition under Sec. 75.66.
    (e) In accordance with Sec. 75.20, if the owner or operator of an 
existing unit completes construction of a new stack, flue, flue gas 
desulfurization system or add-on NOX emission controls after 
the applicable deadline in paragraph (a) of this section, then the owner 
or operator shall ensure that all monitoring systems required under this 
part for monitoring SO2, 
NO[], 
CO2, opacity, and volumetric flow are installed on the new 
stack or duct and all certification tests are completed not later than 
90 unit operating days or 180 calendar days (whichever occurs first) 
after the date that emissions first exit to the atmosphere through the 
new stack, flue, flue gas desulfurization system or add-on 
NOX emission controls, notice of which date shall be provided 
under subpart G of this part. Until emissions first pass through the new 
stack, flue, flue gas desulfurization system or add-on NOX 
emission controls, the unit is subject to the appropriate deadline in 
paragraph (a) of this section. The owner or operator shall determine and 
report SO2 concentration, 
NO[] emission 
rate, CO2 concentration, and flow data for all unit operating 
hours after emissions first pass through the new stack, flue, flue gas 
desulfurization system or add-on NOX emission controls until 
all required certification tests are successfully completed using 
either:
    (1) The appropriate value for substitution of missing data upon 
recertification pursuant to Sec. 75.20(b)(3); or
    (2) Reference methods under Sec. 75.22(b) of this part; or
    (3) Another procedure approved by the Administrator pursuant to a 
petition under Sec. 75.66.
    (f) In accordance with Sec. 75.20, the owner or operator of an 
affected gas-fired or oil-fired peaking unit, if planning to use 
appendix E of this part, shall ensure that the required certification 
tests for excepted monitoring systems under appendix E are completed for 
backup fuel, as defined in Sec. 72.2 of this chapter, no later than 90 
unit operating days or 180 calendar days (whichever occurs first) after 
the date that the unit first combusts the backup fuel following the 
certification testing with the primary fuel. If the required testing is 
completed by this deadline, the appendix E correlation curve derived 
from the test results may be used for reporting data under this part 
beginning with the first date and hour that the backup fuel is 
combusted, provided that the fuel flowmeter for the backup fuel was 
certified as of that date and hour. If the required appendix E testing 
has not been successfully completed by the compliance date in this 
paragraph, then, until the testing is completed, the owner or operator 
shall report NOX emission rate data for all unit operating 
hours that the backup fuel is combusted using either:
    (1) The fuel-specific maximum potential NOX emission 
rate, as defined in Sec. 72.2 of this chapter; or
    (2) Reference methods under Sec. 75.22(b) of this part; or
    (3) Another procedure approved by the Administrator pursuant to a 
petition under Sec. 75.66.
    (g) The provisions of this paragraph shall apply unless an owner or 
operator is exempt from certifying a fuel flowmeter for use during 
combustion of emergency fuel under section 2.1.4.3 of appendix D to this 
part, in which circumstance the provisions of section 2.1.4.3 of 
appendix D shall apply.In accordance with Sec. 75.20, whenever the owner 
or operator of a gas-fired or oil-

[[Page 209]]

fired unit uses an excepted monitoring system under appendix D or E of 
this part and combusts emergency fuel as defined in Sec. 72.2 of this 
chapter, then the owner or operator shall ensure that a fuel flowmeter 
measuring emergency fuel is installed and the required certification 
tests for excepted monitoring systems are completed by no later than 30 
unit operating days after the first date after January 1, 1995 that the 
unit combusts emergency fuel. For all unit operating hours that the unit 
combusts emergency fuel after January 1, 1995 until the owner or 
operator installs a flowmeter for emergency fuel and successfully 
completes all required certification tests, the owner or operator shall 
determine and report SO2 mass emission data using either:
    (1) The maximum potential fuel flow rate, as described in appendix D 
of this part, and the maximum sulfur content of the fuel, as described 
in section 2.1.1.1 of appendix A of this part;
    (2) Reference methods under Sec. 75.22(b) of this part; or
    (3) Another procedure approved by the Administrator pursuant to a 
petition under Sec. 75.66.
    (h) [Reserved]
    (i) In accordance with Sec. 75.20, the owner or operator of each 
affected unit at which SO2 concentration is measured on a dry 
basis or at which moisture corrections are required to account for 
CO2 emissions, NOX emission rate in lb/mmBtu, heat 
input, or NOX mass emissions for units in a NOX 
mass reduction program, shall ensure that the continuous moisture 
monitoring system required by this part is installed and that all 
applicable initial certification tests required under Sec. 75.20(c)(5), 
(c)(6), or (c)(7) for the continuous moisture monitoring system are 
completed no later than the following dates:
    (1) April 1, 2000, for a unit that is existing and has commenced 
commercial operation by January 2, 2000;
    (2) For a new affected unit which has not commenced commercial 
operation by January 2, 2000, 90 unit operating days or 180 calendar 
days (whichever occurs first) after the date the unit commences 
commercial operation; or
    (3) For an existing unit that is shutdown and is not yet operating 
by April 1, 2000, 90 unit operating days or 180 calendar days (whichever 
occurs first) after the date that the unit recommences commercial 
operation.
    (j) If the certification tests required under paragraph (b) or (c) 
of this section have not been completed by the applicable compliance 
date, the owner or operator shall determine and report SO2 
concentration, NOX emission rate, CO2 
concentration, and flow rate data for all unit operating hours after the 
applicable compliance date in this paragraph until all required 
certification tests are successfully completed using either:
    (1) The maximum potential concentration of SO2, as 
defined in section 2.1.1.1 of appendix A to this part, the maximum 
potential NOX emission rate, as defined in Sec. 72.2 of this 
chapter, the maximum potential flow rate, as defined in section 2.1.4.1 
of appendix A to this part, or the maximum potential CO2 
concentration, as defined in section 2.1.3.1 of appendix A to this part;
    (2) Reference methods under Sec. 75.22(b); or
    (3) Another procedure approved by the Administrator pursuant to a 
petition under Sec. 75.66.

[60 FR 17131, Apr. 4, 1995, as amended at 60 FR 26516, May 17, 1995; 63 
FR 57499, Oct. 27, 1998; 64 FR 28588, May 26, 1999; 67 FR 40421, June 
12, 2002]