1

**Subpart ZZZZ**

**— National Emissions Standards for Hazardous Air Pollutants for**  **Stationary Reciprocating Internal Combustion Engines What This Subpart Covers**  § 63.6580 What is the purpose of subpart ZZZZ? Subpart ZZZZ establishes national emission limitations and operating limitations for hazardous air pollutants (HAP) emitted from stationary reciprocating internal combustion engines (RICE) located at major and area sources of HAP emissions. This subpart also establishes requirements to demonstrate initial and continuous compliance with the emission limitations and operating limitations. §63.6585 Am Isubject to this subpart? You are subject to this subpart if you own or operate a stationary RICE at a major or area source of HAP emissions, except if the stationary RI CE is being tested at a stationary RICE test cell/stand. (a) A stationary

RI CE is any

internal combustion engine which uses reciprocating motion to convert heat energy

into mechanical work and which is not mobile. Stationary RICE differ from mobile RI CE in that a stationary RI CE is not a non

- road engine as defined at 40 CFR 1068.30, and is not used to propel a motor vehicle or a vehicle used solel y for competition. (b) A major source of HAP emissions is a plant site that emits or has the pote ntial to emit any single HAP at a rate of 10 tons (9.07 megagrams) or more per y ear or any combination of HAP at a rate of 25 tons (22.68 megagrams) or more per ye ar, except that for oil and gas production facilities, a major source of HAP emissions is det ermined for each surface site. (c) An area source of HAP emissions is a source that is not a major source. (d) If you are an owner or operator of an area source subject to this subpart, y our status as an entity subject to a standard or other requirements under this subpart does not subject y ou to the obligation to obtain a permit under 40 CFR part 70 or 71, provided you are not required to obtain a permit under 40 CFR 70.3(a) or 40 CFR 71.3(a) for a reason other than your status as an area source under th is subpart. Notwithstanding the previous sentence, y ou must continue to comply with the provisions of this subpart as applicable. (e) If you are an owner or operator of a stationary RI CE used for national securit y purposes, you may be eligible to request an exemption from the requirements of this subpart as described in 40 CFR part 1068, subpart C.2

(f) The emergency

stationary

RI CE listed in paragraphs (f)(1) through (3) of this section are not subject to this subpart. The stationary RICE must meet the de finition of an emergency stationary RICE in §63.6675, which includes operating according to the provisions specified in §63.6640(f). (1) Existing residential emergency stationary

RI CE located at an area source of HAP emissions. (2) Existing commercial emergency stationary

RICE located at an area source of HAP emissions. (3) Existing institutional emergency stationary

RICE located at an area source of HAP emissions. § 63.6590 What parts of my plant does this subpart cover? This subpart applies to each af fected source. (a) Affected source. An affected source is any existing, new, or reconstructed stationary RI CE located at a major or area source of HAP emissions, excluding stationary RI CE being tested at a stationary

RICE test cell/stand. (1) Existing stationary RICE. (i) For stationary

RI CE with a site rating of more than 500 brake horsepower (HP) located at a major source of HAP emissions, a stationary RICE is existing if y ou commenced construction or reconstruction of the stationary RICE before Decemb er 19, 2002. (ii) For stationary

RICE with a site rating of less than or equal to 500 brake HP located at a major source of HAP emissions, a stationary RICE is existing if y ou commenced construction or reconstruction of the stationary RICE before June 12, 2006. (iii) For stationary

RICE located at an area source of HAP emissions, a stationary RI CE is existing if y ou commenced construction or reconstruction of the stationary RICE before June 12, 2006. (iv) A change in ownership of an existing stationary RI CE does not make that stationary RI CE a new or reconstructed stationary RICE. (2) New stationary RICE. (i) A stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions is new if you commenced cons truction of the stationary RICE on or after December 19, 2002.3

(ii) A stationary

RI CE with a site rating of equal to or less than 500 brake HP located at a major source of HAP emissions is new if y ou commenced construction of the stationary RI CE on or aft er June 12, 2006. (iii) A stationary

RI CE located at an area source of HAP emissions is new if y ou commenced construction of the stationary RICE on or after June 12, 2006. (3) Reconstructed stationary RICE. (i) A stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions is reconstructed if you meet the definition of reconstruction in §63.2 and reconstruction is commenced on or after December 19, 2002. (ii) A stationary

RI CE with a site rating of equal to o r less than 500 brake HP located at a major source of HAP emissions is reconstructed if y ou meet the definition of reconstruction in §63.2 and reconstruction is commenced on or after June 12, 2006. (iii) A stationary

RI CE located at an area source of HAP emissions is reconstructed if you meet the definition of reconstruction in §63.2 and reconstruction is commenced on or after June 12, 2006. (b) Stationary RICE subject to limited requirements. (1) An affected source which meets either of the criteria in p aragraphs (b)(1)(i) through (ii) of this section does not have to meet the requirements of this subpart and of subpart A of this part except for the initial notification requirements of §63.6645(f). (i) The stationary

RICE is a new or reconstructed emerge ncy stationary

RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions. (ii) The stationary

RICE is a new or reconstructed limited use stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions. (2) A new or reconstructed stationary RI CE with a site rating of more than 500 brake HP located at a major source of HAP emissions which combusts landfill or digester gas equivalent to 10 percent or more of the gross heat input on an annual basis must meet the initial notification requirements of §63.6645(f) and the requirements of §§63.6625(c), 63.6650(g), and 63.6655(c). These stationary

RICE do not have to meet the emission limitations and operating limitations of this subpart. (3) The following stationary RI CE do not have to meet the requirements of this subpart and of subpart A of this part, including initial notification requirements:4

(i) Existing spark ignition 2 stroke lean burn (2SLB) stationary RICE with a site rating of
mor e than 500 brake HP located at a major source of HAP emissions; (ii) Existing spark ignition 4 stroke lean burn (4SLB) stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions; (iii) Existing emergency

stati onary

RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions; (iv) Existing limited use stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions; (v) Existing stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions that combusts landfill gas or digester gas equivalent to 10 percent or more of the gross heat input on an annual basis; (c) Stationary RICE subject to Regulations under 40 CFR Part 60. An affected source that meets an y of the criteria in paragraphs (c)(1) through (7) of this section must meet the requirements of this part by meeting the requirements of 40 CFR part 60 sub part IIII, for compression ignition engines or 40 CFR part 60 subpart JJJJ, for spark ignition engines. No further requirements appl y for such engines under this part. (1) A new or reconstructed stationary RI CE located at an area source; (2) A new or rec onstructed 2SLB stationary RICE with a site rating of less than or equal to 500 brake HP located at a major source of HAP emissions; (3) A new or reconstructed 4SLB stationary RICE with a site rating of less than 250 brake HP located at a major source of HAP emissions; (4) A new or reconstructed spark ignition 4 stroke rich burn (4SRB) stationary RI CE with a site rating of less than or equal to 500 brake HP located at a major source of HAP emissions; (5) A new or reconstructed stationary RI CE with a site rating of less than or equal to 500 brake HP located at a major source of HAP emissions which combusts landfill or digester gas equivalent to 10 percent or more of the gross heat input on an annual basis; (6) A new or reconstructed emergency or limited u se stationary

RI CE with a site rating of less than or equal to 500 brake HP located at a major source of HAP emissions; (7) A new or reconstructed compression ignition (CI ) stationary RI CE with a site rating of less than or equal to 500 brake HP located at a major source of HAP emissions. § 63.6595 When do Ihave to comply with this subpart?5

(a) Affected sources. (1) If you have an existing stationary RICE, excluding existing non

- emergency CI stationary RICE, with a site rating of more than 500 brake HP located at a major source of HAP emissions, y ou must comply with the applicable emission limitations, operating limitations and other requir ements no later than June 15, 2007. If you have an existing non

- emergency CI stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions, an existing stationary CI RICE with a site rating of less than or equal to 500 brake HP located at a major source of HAP emissions, or an existing stationary CI RICE located at an area source of HAP emissions, y ou must comply with the applicable emission limitations, operating limitations, and other requirements no later than May 3, 2013. If you have an existing stationary SIRICE with a site rating of less than or equal to 500 brake HP located at a major source of HAP emissions, or an existing stationary SI RICE located at an area source of HAP emissions, yo u must comply

with th e applicable emission limitations, operating limitations, and other requirements no later than October 19, 2013. (2) If you start up your new or reconstructed stationary RI CE with a site rating of more than 500 brake HP located at a major source of HAP emissions before August 16, 2004, y ou must comply with the applicable emission limitations and operating limitations in this subpart no later than August 16, 2004. (3) If you start up y our new or reconstructed stationary RI CE with a site rating of more than 500 brake HP located at a major source of HAP emissions after August 16, 2004, you must comply with the applicable emission limitations and operating limitations in this subpart upon startup of your affected source. (4) If you start up your new or reconstructed stationary RI CE with a site rating of less than or equal to 500 brake HP located at a major source of HAP emissions before January 18, 2008, y ou must compl y with the appli cable emission limitations and operating limitations in this subpart no later than January 18, 2008. (5) If you start up your new or reconstructed stationary RI CE with a site rating of less than or equal to 500 brake HP located at a major source of HAP em issions after January 18, 2008, y ou must compl y with the applicable emission limitations and operating limitations in this subpart upon startup of your affected source.6

(6) If you start up your new or reconstructed stationary RI CE located at an area sourc e of HAP emissions before January 18, 2008, y ou must comply with the applicable emission limitations and operating limitations in this subpart no later than January 18, 2008. (7) If you start up your new or reconstructed stationary RI CE located at an area source of HAP emissions after January 18, 2008, y ou must comply with the applicable emission limitations and operating limitations in this subpart upon startup of your affected source. (b) Area sources that become major sources. If yo u have an area source that increases its emissions or its potential to emit such that it becomes a major source of HAP, the compliance dates in paragraphs (b)(1) and (2) of this section apply to y ou. (1) An y stationary RICE for which construction or reconstruction is co mmenced after the date when your area source becomes a major source of HAP must be in compliance with this subpart upon startup of your affected source. (2) An y stationary RICE for which construction or reconstruction is commenced before yo ur area source becomes a major source of HAP must be in compliance with the provisions of this subpart that are applicable to RI CE located at major sources within 3 years after y our area source becomes a major source of HAP. (c) If you own or operate an affected source, you must meet the applicable notification requirements in §63.6645 and in 40 CFR part 63, subpart A. **Emission and Operating Limitations** §63.6600 What emission limitations and operating limitations must Imeet if Iown or operate a stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions? Compliance with the numerical emission limitations established in this subpart is based on the results of testing the average of three 1

- hour runs using the testing requirements and procedures in §63.6620 and Table 4 to this subpart. (a) If you own or operate an existing, new, or reconstructed spark ignition 4SRB stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions, you must comply with the emission limitations in Table 1a to this subpart and the operating limitations in Table 1b to this subpart which apply to you. (b) If you own or operate a new or reconstructed 2SL B stationary RI CE with a site rating of more than 5 00 brake HP located at major source of HAP emissions, a new or reconstructed7

4SLB stationary

RI CE with a site rating of more than 500 brake HP located at major source of HAP emissions, or a new or reconstructed CI stationary RI CE with a site rating of more than 500 brake HP located at a major source of HAP emissions, y ou must comply with the emission limitations in Table 2a to this subpart and the operating limitations in Table 2b to this subpart which appl y to you. (c) If you own or operate any of the fol lowing stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions, you do not need to comply with the emission limitations in Tables 1a, 2a, 2c, and 2d to this subpart or operating limitations in Tables 1b and 2 b to this subpart: an existing 2SLB stationary RICE; an existing 4SLB stationary RI CE; a stationary

RICE that combusts landfill gas or digester gas equivalent to 10 percent or more of the gross heat input on an annual basis; an emergency stationary

RI CE; o r a limited use stationary RICE. (d) If you own or operate an existing non

- emergency stationary

CI RI CE with a site rating of more than 500 brake HP located at a major source of HAP emissions, y ou must comply with the emission limitations in Table 2c to this subpart and the operating limitations in Table 2b to this subpart which apply to y ou. §63.6601 What emission limitations must I meet if I own or operate a new or reconstructed 4SLB stationary

RI CE with a site rating of greater than or equal to 250 brake HP and less than or equal to 500 brake HP located at a major source of HAP emissions? Compliance with the numerical emission limitations established in this subpart is based on the results of testing the average of three 1

- hour runs using the testing r equirements and procedures in §63.6620 and Table 4 to this subpart. If you own or operate a new or reconstructed 4SLB stationary

RI CE with a site rating of greater than or equal to 250 and less than or equal to 500 brake HP located at major source of HAP e missions manufactured on or after January 1, 2008, y ou must compl y with the emission limitations in Table 2a to this subpart and the operating limitations in Table 2b to this subpart which apply to you. §63.6602 What emission limitations and other require ments must Imeet if I own or operate an existing stationary

RICE with a site rating of equal to or less than 500 brake HP located at a major source of HAP emissions? If you own or operate an existing stationary RICE with a site rating of equal to or less than 500 brake HP located at a major source of HAP emissions, you must comply with the8

emission limitations and other requirements in Table 2c to this subpart which ap pl y to you. Compliance with the numerical emission limitations established in this subpart is based on the results of testing the average of three 1

- hour runs using the testing requirements and procedures in §63.6620 and Table 4 to this subpart. §63.6603 What emission limitations , operating limitations , and other requirements must Imeet if Iown or operate an existing stationary RICE located at an area source of HAP emissions? Compliance with the numerical emission limitations established in this subpart is based on the results of testing the average of three 1

- hour runs using the testing requirements and procedures in §63.6620 and Table 4 to this subpart. (a) If you own or operate an existing stationary RICE located at an area source of HAP emiss ions, y ou must comply with the requirements in Table 2d to this subpart and the operating limitations in Table 1b and Table 2b to this subpart that apply to y ou. (b) If you own or operate an existing stationary non

- emergency CI RICE with a site
rating of more than 300 HP located at an area source of HAP that meets either paragraph (b)(1) or (b)(2) of this section , yo u do not have to meet the numerical CO emission limitations specified in Table 2d of this subpart. Existing stationary non - emergency

CI RICE with a site rating of
more than 300 HP located at an area source of HAP that meet either paragraph (b)(1) or (b)(2) of this section must meet the management practices that are shown for stationary non - emergency

CI RI CE with a site rating of less than or equal to 300 HP in Table 2d of this subpart. (1) The area source is located in an area of Alaska that is not accessible b y the Federal Aid Highway

Sy stem (FAHS). (2) The stationary

RICE is located at an area source that meets paragraphs (b)(2)(i), (b)(2)(ii), and (b)(2)(iii) of this section. (i) The on ly

connection to the FAHS is through the Alaska Marine Highway Sy stem (AMHS), or the stationary RICE operation is within an isolated grid in Alaska that is not connected to the statewide electrical grid referred to as the Alaska Railbelt Grid. (ii) At lea st 10 percent of the power generated by the stationary

RI CE on an annual basis is used for residential purposes. (iii) The generating capacity of the area source is less than 12 megawatts, or the stationary RICE is used exclusively for backup power for re newable energy and is used less than 500 hrs per ye ar on a 10 year rolling average.9

(c) If you own or operate an existing non

- emergency CI RICE with a site rating of more than 300 HP located at an area source of HAP emissions that is certified to the Tier 1 or Tier 2 emission standards in Table 1 of 40 CFR 89.112 and that is subject to an enforceable state or local standard that requires the engine to be replaced no later than June 1, 2018, you may until January 1, 2015, or 12 ye ars after the installation date of the engine (whichever is later), but not later than June 1, 2018, choose to comply with the management practices that are shown for stationary non - emergency

CIRICE with a site rating of less than or equal to 300 HP in Table 2d of this subpart inst ead of the applicable emission limitations in Table 2d, operating limitations in Table 2b, and crankcase ventilation sy stem requirements in §63.6625(g). You must comply with the emission limitations in Table 2d and operating limitations in Table 2b that ap ply for non

emergency

CI RI CE with a site rating of more than 300 HP located at an area source of HAP emissions by

January 1, 2015, or 12 y ears after the installation date of the engine (whichever is later), but not later than June 1, 2018. You must also c omply with the crankcase ventilation sy stem requirements in §63.6625(g) by January 1, 2015, or 12 y ears after the installation date of the engine (whichever is later), but not later than June 1, 2018. (d) If you own or operate an existing non

- emergency CI RI CE with a site rating of more than 300 HP located at an area source of HAP emissions that is certified to the Tier 3 (Tier 2 for engines above 560 kW) emission standards in Table 1 of 40 CFR 89.112, you may comply with the requirements under this part b y meeting the requirements for Tier 3 engines (Tier 2 for engines above 560 kW) in 40 CFR part 60 subpart IIII instead of the emission limitations and other requirements that would otherwise appl y under this part for existing non

- emergency CI RI CE with a s ite rating of more than 300 HP located at an area source of HAP emissions. (e) An existing non

- emergency SI 4SLB and 4SRB stationary RICE with a site rating of more than 500 HP located at area sources of HAP must meet the definition of remote stationary R IC E in §63.6675 on the initial compliance date for the engine, October 19, 2013, in order to be considered a remote stationary RI CE under this subpart. Owners and operators of existing non

emergency

SI 4SLB and 4SRB stationary RICE with a site rating of mo re than 500 HP located at area sources of HAP that meet the definition of remote stationary RICE in §63.6675 of this subpart as of October 19, 2013 must evaluate the status of their stationary RICE every

12 months. Owners and operators must keep records of the initial and annual evaluation of the status of the engine. If the evaluation indicates that the stationary RICE no longer meets the definition10

of remote stationary

RICE in §63.6675 of this subpart, the owner or operator must comply with all of the req

uirements for existing non

- emergency SI4SLB and 4SRB stationary RI CE with a site rating of more than 500 HP located at area sources of HAP that are not remote stationary RI CE within one y ear of the evaluation. §63.6604 What fuel requirements must Imeet if I own or operate an existing stationary CI RI CE? If you own or operate an existing non

- emergency , non - black start CI stationary RI CE with a site rating of more than 300 brake HP with a displacement of less than 30 liters p er cylinder that uses diesel fuel, you must use diesel fuel that meets the requirements in 40 CFR 80.510(b) for nonroad diesel fuel. Existing non

- emergency CI stationary

RI CE located in Guam, American Samoa, the Commonwealth of the Northern Mariana Islands , or at area sources in areas of Alaska that meet either §63.6603(b)(1) or §63.6603(b)(2) are exempt from the requirements of this section. **General Compliance Requirements** §63.6605 What are my

general requirements for complying with this subpart? (a) You must be in compliance with the emission limitations , operating limitations , and other requirements in this subpart that apply to y ou at all times. (b) At all times y ou must operate and maintain any affected source, including associated air pollution control equipment and monitoring equipment, in a manner consistent with safety and good air pollution control practices for minimizing emissions. The general dut y to minimize emissions does not require y ou to make any further efforts to reduce emissions if levels required by this standard have been achieved. Determination of whether such operation and maintenance procedures are being used will be based on information available to the Administrator which may include, but is not limited to, monitoring results, review of operation and maintenance procedures, review of operation and maintenance records, and inspection of the source. **Testing and Initial Compliance Requirements** §63.6610 By

what date must Iconduct the initial pe rformance tests or other initial compliance demonstrations if Iown or operate a stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions? If you own or operate a stationary RI CE with a site rating of more than 500 brake HP located at a major source of HAP emissions y ou are subject to the requirements of this section.11

(a) You must conduct the initial performance test or other initial compliance demonstrations in Table 4 to this subpart that apply to you within 180 days after the compliance date that is specified for your stationary RI CE in §63.6595 and according to the provisions in §63.7(a)(2). (b) If you commenced construction or reconstruction between December 19, 2002 an d June 15, 2004 and own or operate stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions, y ou must demonstrate initial compliance with either the proposed emission limitations or the promulgated emission li mitations no later than February 10, 2005 or no later than 180 day s after startup of the source, whichever is later, according to §63.7(a)(2)(ix). (c) If you commenced construction or reconstruction between December 19, 2002 and June 15, 2004 and own or o perate stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions, and you chose to comply with the proposed emission limitations when demonstrating initial compliance, you must conduct a second performance test to demonstrate compliance with the promulgated emission limitations by December 13, 2007 or after startup of the source, whichever is later, according to §63.7(a)(2)(ix). (d) An owner or operator is not required to conduct an initial performance test on units for which a performance test has been previously conducted, but the test must meet all of the conditions described in paragraphs (d)(1) through (5) of this section. (1) The test must have been conducted using the same methods specified in this subpart, and these methods must have been followed correctly

. (2) The test must not be older than 2 years. (3) The test must be reviewed and accepted b y the Administrator. (4) Either no process or equipment changes must have been made since the test was performed, or the owner or operator must be able to demonstrate that the results of the performance test, with or without adjustments, reliably demonstrate compliance despite process or equipment changes. (5) The test must be conducted at an y load conditi on within plus or minus 10 percent of 100 percent load. §63.6611 By

what date must Iconduct the initial performance tests or other initial compliance demonstrations if Iown or operate a new or reconstructed 4SLB SI stationary RI CE with a site12

rating of greater than or equal to 250 and less than or equal to 500 brake HP located at a major source of HAP emissions? If you own or operate a new or reconstructed 4SLB stationary RICE with a site rating of greater than or equal to 250 and less than or equal to 500 brake HP located at a major source of HAP emissions, y ou must conduct an initial performance test within 240 days after the compliance date that is specified for your stationary RICE in §63.6595 and according to the provisions specified in Table 4 to this subpart, as appropriate. § 63.6612 By

what date must Iconduct the initial performance tests or other initial compliance demonstrations if Iown or operate an existing stationary RICE with a site rating of less than or equal to 500 brake HP located at a major source of HAP emissions or an existing stationary RI CE located at an area source of HAP emissions? If you own or operate an existing stationary RICE with a site rating of less than or equal to 500 brake HP located at a major source of HAP emission s or an existing stationary RICE located at an area source of HAP emissions y ou are subject to the requirements of this section. (a) You must conduct any initial performance test or other initial compliance demonstration according to Tables 4 and 5 to thi s subpart that appl y to you within 180 days after the compliance date that is specified for your stationary RI CE in §63.6595 and according to the provisions in §63.7(a)(2). (b) An owner or operator is not required to conduct an initial performance test on a unit for which a performance test has been previously conducted, but the test must meet all of the conditions described in paragraphs (b)(1) through (4) of this section. (1) The test must have been conducted using the same methods specified in this sub part, and these methods must have been followed correctly

. (2) The test must not be older than 2 years. (3) The test must be reviewed and accepted b y the Administrator. (4) Either no process or equipment changes must have been made since the test was performed, or the owner or operator must be able to demonstrate that the results of the performance test, with or without adjustments, reliably demonstrate compliance despite process or equipment changes. §63.6615 When must Iconduct subsequent performanc e tests?13

If you must comply with the emission limitations and operating limitations, y ou must conduct subsequent performance tests as specified in Table 3 of this subpart. §63.6620 What performance tests and other procedures must I use? (a) You must con duct each performance test in Tables 3 and 4 of this subpart that applies to y ou. (b) Each performance test must be conducted according to the requirements that this subpart specifies in Table 4 to this subpart. If you own or operate a non

- operational stationary RI CE that is subject to performance testing, you do not need to start up the engine solely to conduct the performance test. Owners and operators of a non

- operational engine can conduct the performance test when the engine is started up again. The t est must be conducted at an y load condition within plus or minus 10 percent of 100 percent load for the stationary RI CE listed in paragraphs (b)(1) through (4) of this section. (1) Non

- emergency

4SRB stationary

RICE with a site rating of greater than 500 brake HP located at a major source of HAP emissions. (2) New non

- emergency

4SLB stationary

RI CE with a site rating of greater than or equal to 250 brake HP located at a major source of HAP emissions. (3) New non

- emergency

2SLB stationary

RI CE with a site r ating of greater than 500 brake HP located at a major source of HAP emissions. (4) New non

- emergency

CIstationary

RICE with a site rating of greater than 500 brake HP located at a major source of HAP emissions. (c) [Reserved] (d) You must conduct three separate test runs for each performance test required in this section, as specified in §63.7(e)(3). Each test run must last at least 1 hour. (e)(1) You must use Equation 1 of this section to determine compliance with the percent reduction requirement:

Where: C i = concentration of CO , THC, or formaldeh yd e at the control device inlet,14

C o = concentration of CO , THC, or formaldeh yd e at the control device outlet, and R = percent reduction of CO , THC, or formaldeh yde emissions. (2) You must normalize the c arbon monoxide (CO) , total hydrocarbons (THC), or formaldeh yde concentrations at the inlet and outlet of the control device to a dry basis and to 15 percent ox ygen, or an equivalent percent carbon dioxide (CO 2 ). I f pollutant concentrations are to be corrected to 15 percent oxygen and CO 2 concentration is measured in lieu of oxygen concentration measurement, a CO 2 correction factor is needed. Calculate the CO 2 correction factor as described in paragraphs (e)(2)(i) through (iii) of this section. (i) Ca lculate the fuel

- specific F o value for the fuel burned during the test using v alues obtained from Method 19, S ection 5.2, and the following equation:

Where: F o = Fuel factor based on the ratio of oxygen volume to the ultimate CO 2 volume produced b y the fuel at zero percent excess air. 0.209 = Fraction of air that is oxygen, percent/100. F d = Ratio of the volume of dry effluent gas to the gross calorific value of the fuel from Method 19, dsm 3 /J (dscf/10 6 Btu). F c = Ratio of the volume of CO 2 produced to the gross calorific value of the fuel from Method 19, dsm 3 /J (dscf/10 6 Btu). (ii) Calculate the CO 2 correction factor for correcting measurement data to 15 percent oxygen, as follows:

Where: X co2 = CO 2 correction factor, percent. 5.9 = 20.9 percent O 2 −15 percent O 2 , the defined O 2 correction value, percent.15

(iii) Calculate the CO, THC, and formaldeh yd e gas concentrations adjusted to 15 percent O 2 using CO 2 as follows:

Where: %CO 2 = Measured CO 2 concentration measured, dry basis, percent.
(f) If you compl y with the emission limitation to reduce CO and you are not using an oxidation cataly st, if y ou comply with the emission limitation to reduce formaldehy de and y ou are not using NSCR, or if y ou compl y with the emission limitation to limit th e concentration of formaldeh yde in the stationary RI CE exhaust and y ou are not using an oxidation catal ys t or NSCR, you must petition the Administrator for operating limitations to be established during the initial performance test and continuously monitor ed thereafter; or for approval of no operating limitations. You must not conduct the initial performance test until after the petition has been approved b y the Administrator. (g) If you petition the Administrator for approval of operating limitations, your petition must include the information described in paragraphs (g)(1) through (5) of this section. (1) Identification of the specific parameters you propose to use as operating limitations; (2) A discussion of the relationship between these parameters a nd HAP emissions, identifying how HAP emissions change with changes in these parameters, and how limitations on these parameters will serve to limit HAP emissions; (3) A discussion of how you will establish the upper and/or lower values for these parameters which will establish the limits on these parameters in the operating limitations; (4) A discussion identifying the methods y ou will use to measure and the instruments y ou will use to monitor these parameters, as well as the relative accuracy an d precision of these methods and instruments; and (5) A discussion identifying the frequency and methods for recalibrating the instruments yo u will use for monitoring these parameters.16

(h) If you petition the Administrator for approval of no operating li mitations, y our petition must include the information described in paragraphs (h)(1) through (7) of this section. (1) Identification of the parameters associated with operation of the stationary RI CE and any emission control device which could change inte ntionally ( e.g., operator adjustment, automatic controller adjustment, etc.) or unintentionally ( e.g., wear and tear, error, etc.) on a routine basis or over time; (2) A discussion of the relationship, if any , between changes in the parameters and changes in HAP emissions; (3) For the parameters which could change in such a way as to increase HAP emissions, a discussion of whether establishing limitations on the parameters would serve to limit HAP emissions; (4) For the parameters which could change in s uch a way as to increase HAP emissions, a discussion of how y ou could establish upper and/or lower values for the parameters which would establish limits on the parameters in operating limitations; (5) For the parameters, a discussion identifying the meth ods y ou could use to measure them and the instruments y ou could use to monitor them, as well as the relative accuracy and precision of the methods and instruments; (6) For the parameters, a discussion identifying the frequency and methods for recalibratin g the instruments y ou could use to monitor them; and (7) A discussion of wh y, from your point of view, it is infeasible or unreasonable to adopt the parameters as operating limitations. (i) The engine percent load during a performance test must be determ ined by documenting the calculations, assumptions, and measurement devices used to measure or estimate the percent load in a specific application. A written report of the average percent load determination must be included in the notification of compliance status. The following information must be included in the written report: the engine model number, the engine manufacturer, the ye ar of purchase, the manufacturer's site

- rated brake horsepower, the ambient temperature, pressure, and humidity during the pe rformance test, and all assumptions that were made to estimate or calculate percent load during the performance test must be clearly explained. If measurement devices such as flow meters, kilowatt meters, beta anal yz ers, stain gauges, etc.17

are used, the mo del number of the measurement device, and an estimate of its accurate in percentage of true value must be provided. §63.6625 What are my

monitoring, installation, collection, operation, and maintenance requirements? (a) If you elect to install a CEMS as specified in Table 5 of this subpart, you must install, operate, and maintain a CEMS to monitor CO and either ox ygen or CO 2 according to the requirements in paragraphs (a)(1) through (4) of this section. If you are meeting a requirement to reduce CO emissions, the CEMS must be installed at both the inlet and outlet of the control device. If you are meeting a requirement to limit the concentration of CO, the CEMS must be installed at the outlet of the control device. (1) Each CEMS must be installed, operated, and maintained according to the applicable performance specifications of 40 CFR part 60, appendix B. (2) You must conduct an initial performance evaluation and an annual relative accuracy tes t audit (RATA) of each CEMS according to the requirements in §63.8 and according to the applicable performance specifications of 40 CFR part 60, appendix B as well as daily and periodic data quality

checks in accordance with 40 CFR part 60, appendix F, pro cedure 1. (3) As specified in §63.8(c)(4)(ii), each CEMS must complete a minimum of one cy cle of operation (sampling, analyzing, and data recording) for each successive 15

- minute period. You must have at least two data points, with each representing a dif ferent 15

- minute period, to have a valid hour of data. (4) The CEMS data must be reduced as specified in §63.8(g)(2) and recorded in parts per million or parts per billion (as appropriate for the applicable limitation) at 15 percent ox ygen or the equivale nt CO 2 concentration. (b) If you are required to install a continuous parameter monitoring s ys tem (CPMS) as specified in Table 5 of this subpart, y ou must install, operate, and maintain each CPMS according to the requirements in paragraphs (b)(1) through ( 6 ) of this section. For an affected source that is compl yi ng with the emission limitations and operating limitations on March 9, 2011, the requirements in paragraph (b) of this section are applicable September 6, 2011. (1) You must prepare a site

- specific monitoring plan that addresses the monitoring sy stem design, data collection, and the quality assurance and qualit y control elements outlined in paragraphs (b)(1)(i) through (v) of this section and in §63.8(d). As specified in §63.8(f)(4), yo u18

may request approval of monitoring sy stem quality assurance and quality

control procedures alternative to those specified in paragraphs (b)(1) through (5) of this section in y our site

- specific monitoring plan. (i) The performance criteria and design spe cifications for the monitoring s ystem equipment, including the sample interface, detector signal anal yz er, and data acquisition and calculations; (ii) Sampling interface ( e.g., thermocouple) location such that the monitoring s ys tem will provide represent ative measurements; (iii) Equipment performance evaluations, sy stem accuracy audits, or other audit procedures; (iv) Ongoing operation and maintenance procedures in accordance with provisions in §63.8(c)(1) and (c)(3); and (v) Ongoing reporting and reco rdkeeping procedures in accordance with provisions in §63.10(c), (e)(1), and (e)(2)(i). (2) You must install, operate, and maintain each CPMS in continuous operation according to the procedures in y our site

- specific monitoring plan. (3) The CPMS must col lect data at least once every 15 minutes (see also §63.6635). (4) For a CPMS for measuring temperature range, the temperature sensor must have a minimum tolerance of 2.8 degrees Celsius (5 degrees Fahrenheit) or 1 percent of the measurement range, whichever is larger. (5) You must conduct the CPMS equipment performance evaluation , sy stem accuracy audits, or other audit procedures specified in your site

- specific monitoring plan at least annuall y. (6) You must conduct a performance evaluation of each CPMS in accordance with your site

- specific monitoring plan. (c) If you are operat ing a new or reconstructed stationary RICE which fires landfill gas or digester gas equivalent to 10 percent or more of the gross heat input on an annual basis, you must monitor and record your fuel usage daily with separate fuel meters to measure the volumetric flow rate of each fuel. In addition, y ou must operate y our stationary RICE in a manner which reasonabl y minimizes HAP emissions. (d) If you are operating a new or reconstructed emergency 4SLB stationary RI CE with a site rating of greater than or eq ual to 250 and less than or equal to 500 brake HP located at a19

major source of HAP emissions, you must install a non

- resettable hour meter prior to the startup of the engine. (e) If you own or operate any of the following stationary RICE, you must operate and maintain the stationary

RICE and after

- treatment control device (if any) according to the manufacturer's emission

- related written instructions or develop your own maintenance plan which must provide to the extent practicable for the maintenance and op eration of the engine in a manner consistent with good air pollution control practice for minimizing emissions: (1) An existing stationary RI CE with a site rating of less than 100 HP located at a major source of HAP emissions; (2) An existing emergency o r black start stationary RI CE with a site rating of less than or equal to 500 HP located at a major source of HAP emissions; (3) An existing emergency or black start stationary RI CE located at an area source of HAP emissions; (4) An existing non

- emergenc y, non - black start stationary CI RICE with a site rating less than or equal to 300 HP located at an area source of HAP emissions; (5) An existing non

- emergency , non - black start 2SLB stationary RICE located at an area source of HAP emissions; (6) An exist ing non

- emergency , non - black start stationary RICE located at an area source of HAP emissions which combusts landfill or digester gas equivalent to 10 percent or more of the gross heat input on an annual basis ; (7) An existing non

- emergency , non - black start 4SLB stationary RICE with a site rating less than or equal to 500 HP located at an area source of HAP emissions; (8) An existing non

- emergency , non - black start 4SRB stationary RI CE with a site rating less than or equal to 500 HP located at an area source of HAP emissions; (9) An existing, non

- emergency , non - black start 4SLB stationary RI CE with a site rating greater than 500 HP located at an area source of HAP emissions that is operated 24 hour s or less per calendar ye ar; and (10) An existing, non

- emergency , non - black start 4SRB stationary RICE with a site rating greater than 500 HP located at an area source of HAP emissions that is operated 24 hours or less per calendar year.20

(f) If you own o r operate an existing emergency stationary

RI CE with a site rating of less than or equal to 500 brake HP located at a major source of HAP emissions or an existing emergency

stationary

RICE located at an area source of HAP emissions, you must install a non

resettable hour meter if one is not alread y installed. (g) If you own or operate an existing non

- emergency , non - black start CIengine greater than or equal to 300 HP that is not equipped with a closed crankcase ventilation sy stem, y ou must comply

with either paragraph (g)(1) or paragraph (g)(2) of this section. Owners and operators must follow the manufacturer's specified maintenance requirements for operating and maintaining the open or closed crankcase ventilation sy stems and replacing the crankcase filt ers, or can request the Administrator to approve different maintenance requirements that are as protective as manufacturer requirements. Existing CI engines located at area sources in areas of Alaska that meet either §63.6603(b)(1) or §63.6603(b)(2) do not have to meet the requirements of paragraph (g) of this section. (1) Install a closed crankcase ventilation s ys tem that prevents crankcase emissions from being emitted to the atmosphere, or (2) Install an open crankcase filtrat ion emission control sy stem that reduces emissions from the crankcase b y filtering the exhaust stream to remove oil mist, particulates, and metals. (h) If you operate a new, reconstructed, or existing stationary engine, y ou must minimize the engine's time spent at idle during startup and minimize the engine's startup time to a period needed for appropriate and safe loading of the engine, not to exceed 30 minutes, after which time the emission standards applicable to all times other than startup in Tables 1 a, 2a, 2c, and 2d to this subpart apply

. (i) If you own or operate a stationary CI engine that is subject to the work, operation or management practices in items 1 or 2 of Table 2c to this subpart or in items 1 or 4 of Table 2d to this subpart, y ou have the option of utilizing an oil analy sis program in order to extend the specified oil change requirement in Tables 2c and 2d to this subpart. The oil analy sis must be performed at the same frequency specified for changing the oil in Table 2c or 2d to this subpart. The anal ys is program must at a minimum analy ze the following three parameters: Total Base Number, viscosity , and percent water content. The condemning limits for these parameters are as follows: Total Base Number is less than 30 percent of the Total Base Number of the oil when new; viscosity

of the oil has changed b y more than 20 percent from the viscosity of the oil when21

new; or percent water content (by volume) is greater than 0.5. If all of these condemning limits are not exceeded, the engine owne r or operator is not required to change the oil. If any of the limits are exceeded, the engine owner or operator must change the oil within 2 day s of receiving the results of the analy sis; if the engine is not in operation when the results of the anal ys is are received, the engine owner or operator must change the oil within 2 day s or before commencing operation, whichever is later. The owner or operator must keep records of the parameters that are anal yz ed as part of the program, the results of the anal ys is , and the oil changes for the engine. The anal ys is program must be part of the maintenance plan for the engine. (j) If you own or operate a stationary SI engine that is subject to the work, operation or management practices in items 6, 7, or 8 of Table 2c to this subpart or in items 5, 6, 7, 9, or 11 of Table 2d to this subpart, you have the option of utilizing an oil analy sis program in order to extend the specified oil change requirement in Tables 2c and 2d to this subpart. The oil anal ys is must be perfo rmed at the same frequency specified for changing the oil in Table 2c or 2d to this subpart. The analy sis program must at a minimum anal yz e the following three parameters: Total Acid Number, viscosit y, and percent water content. The condemning limits for t hese parameters are as follows: Total Acid Number increases b y m ore than 3.0 milligrams of potassium hydroxide (KOH) per gram from Total Acid Number of the oil when new; viscosity of the oil has changed b y more than 20 percent from the viscosity of the oil when new; or percent water content (b y volume) is greater than 0.5. If all of these condemning limits are not exceeded, the engine owner or operator is not required to change the oil. I f any of the limits are exceeded, the engine owner or operator must ch ange the oil within 2 day s of receiving the results of the anal ys is; if the engine is not in operation when the results of the anal ys is are received, the engine owner or operator must change the oil within 2 day s or before commencing operation, whichever i s later. The owner or operator must keep records of the parameters that are anal yz ed as part of the program, the results of the anal ys is, and the oil changes for the engine. The anal ys is program must be part of the maintenance plan for the engine. §63.6630 How do I demonstrate initial compliance with the emission limitations , operating limitations , and other requirements ? (a) You must demonstrate initial compliance with each emission limitation, operating limitation , and other requirements that applies to you according to Table 5 of this subpart.22

(b) During the initial performance test, you must establish each operating limitation in Tables 1b and 2b of this subpart that applies to you. (c) You must submit the Notification of Compliance S tatus containing the results of the initial compliance demonstration according to the requirements in §63.6645. (d) Non

- emergency

4SRB stationary

RICE complyingwith the requirement to reduce formaldeh yde emissions by 76 percent or more can demonstrate initial compliance with the formaldeh yde emission limit by testing for THC instead of formaldehyde. The testing must be conducted according to the requirements in Table 4 of this subpart. The average reduction of emissions of THC determined from the perfor mance test must be equal to or greater than 30 percent. (e) The initial compliance demonstration required for existing non

- emergency 4SLB and 4SRB stationary

RICE with a site rating of more than 500 HP located at an area source of HAP that are not remote stationary RI CE and that are operated more than 24 hours per calendar y ear must be conducted according to the following requirements: (1) The compliance demonstration must consist of at least three test runs. (2) Each test run must be of at least 15 minute duration, except that each test conducted using the method in appendix A to this subpart must consist of at least one measurement cy cle and include at least 2 minutes of test data phase measurement. (3) If you are demonstrating compliance with the CO concentration or CO percent reduction requirement, you must measure CO emissions using one of the CO measurement methods specified in Table 4 of this subpart, or using appendix A to this subpart. (4) If you are demonstrating compliance with the THC per cent reduction requirement, yo u must measure THC emissions using Method 25A of 40 CFR part 60, appendix A. (5) You must measure O 2 using one of the O 2 measurement methods specified in Table 4 of this subpart. Measurements to determine O 2 concentration mus t be made at the same time as the measurements for CO or THC concentration. (6) If you are demonstrating compliance with the CO or THC percent reduction requirement, you must measure CO or THC emissions and O 2 emissions simultaneously at the inlet and out let of the control device. **Continuous Compliance Requirements** §63.6635 How do I monitor and collect data to demonstrate continuous compliance?23

(a) If you must comply with emission and operating limitations, you must monitor and collect data according to this section. (b) Except for monitor malfunctions, associated repairs, required performance evaluations, and required quality assurance or control activities, y ou must monitor continuously at all times that the stationary RI CE is operating. A monitoring m alfunction is any sudden, infrequent, not reasonably preventable failure of the monitoring to provide valid data. Monitoring failures that are caused in part by poor maintenance or careless operation are not malfunctions. (c) You may

not use data recorded during monitoring malfunctions, associated repairs, and required quality

assurance or control activities in data averages and calculations used to report emission or operating levels. You must, however, use all the valid data collected during all other pe riods. §63.6640 How do I demonstrate continuous compliance with the emission limitations , operating limitations , and other requirements ? (a) You must demonstrate continuous compliance with each emission limitation , operating limitation , and other requirements in Tables 1a and 1b, Tables 2a and 2b, Table 2c, and Table 2d to this subpart that apply to y ou according to methods specified in Table 6 to this subpart. (b) You must report each instance in which you did not meet each emission limitation o r operating limitation in Tables 1a and 1b, Tables 2a and 2b, Table 2c, and Table 2d to this subpart that apply to y ou. These instances are deviations from the emission and operating limitations in this subpart. These deviations must be reported according to the requirements in §63.6650. I f you change your catal ys t, y ou must reestablish the values of the operating parameters measured during the initial performance test. When you reestablish the values of your operating parameters, you must also conduct a pe rformance test to demonstrate that you are meeting the required emission limitation applicable to your stationary RICE. (c) The annual compliance demonstration required for existing non

- emergency 4SLB and 4SRB stationary

RICE with a site rating of more th an 500 HP located at an area source of HAP that are not remote stationary RI CE and that are operated more than 24 hours per calendar y ear must be conducted according to the following requirements: (1) The compliance demonstration must consist of at least one test run.24

(2) Each test run must be of at least 15 minute duration, except that each test conducted using the method in appendix A to this subpart must consist of at least one measurement cy cle and include at least 2 minutes of test data phase measure ment. (3) If you are demonstrating compliance with the CO concentration or CO percent reduction requirement, you must measure CO emissions using one of the CO measurement methods specified in Table 4 of this subpart, or using appendix A to this subpart. (4) If you are demonstrating compliance with the THC percent reduction requirement, yo u must measure THC emissions using Method 25A of 40 CFR part 60, appendix A. (5) You must measure O 2 using one of the O 2 measurement methods specified in Table 4 of this subpart. Measurements to determine O 2 concentration must be made at the same time as the measurements for CO or THC concentration. (6) If you are demonstrating compliance with the CO or THC percent reduction requirement, you must measure CO or THC emissions and O 2 emissions simultaneously at the inlet and outlet of the control device. (7) If the results of the annual compliance demonstration show that the emissions exceed the levels specified in Table 6 of this subpart, the stationary RICE must be shut down as soon as safel y possible, and appropriate corrective action must be taken (e.g., repairs, catal ys t cleaning, catal ys t replacement). The stationary RI CE must be retested within 7 day s of being restarted and the emissions must meet the levels spe cified in Table 6 of this subpart. If the retest shows that the emissions continue to exceed the specified levels, the stationary RI CE must again be shut down as soon as safel y possible, and the stationary RICE may not operate, except for purposes of startup and testing, until the owner/operator demonstrates through testing that the emissions do not exceed the levels specified in Table 6 of this subpart. (d) For new, reconstructed, and rebuilt stationary RI CE, deviations from the emission or op erating limitations that occur during the first 200 hours of operation from engine startup (engine burn

- in period) are not violations. Rebuilt stationary RICE means a stationary RICE that has been rebuilt as that term is defined in 40 CFR 94.11(a). (e) You must also report each instance in which you did not meet the requirements in Table 8 to this subpart that apply to y ou. If y ou own or operate a new or reconstructed stationary RI CE with a site rating of less than or equal to 500 brake HP located at a major source of HAP emissions (except new or reconstructed 4SLB engines greater than or equal to 250 and less than25

or equal to 500 brake HP), a new or reconstructed stationary RICE located at an area source of HAP emissions, or any

of the following RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions, y ou do not need to comply with the requirements in Table 8 to this subpart: An existing 2SLB stationary RICE, an existing 4SLB stationary RICE, an existing emergency stationary RI CE, an existing limited use stationary RI CE, or an existing stationary RICE which fires landfill gas or digester gas equivalent to 10 percent or more of the gross heat input on an annual basis. If you own or operate an y of the following RICE w ith a site rating of more than 500 brake HP located at a major source of HAP emissions, y ou do not need to comply

with the requirements in Table 8 to this subpart, except for the initial notification requirements: a new or reconstructed stationary RICE that combusts landfill gas or digester gas equivalent to 10 percent or more of the gross heat input on an annual basis, a new or reconstructed emergency stationary RICE, or a new or reconstructed limited use stationary RI CE. (f) If you own or operate an emerg ency stationary

RI CE, y ou must operate the emergency stationary RICE according to the requirements in paragraphs (f)(1) through (4) of this section. In order for the engine to be considered an emergency stationary

RICE under this subpart, any operation oth er than emergency operation, maintenance and testing, emergency demand response, and operation in non

- emergency situations for 50 hours per ye ar, as described in paragraphs (f)(1) through (4) of this section, is prohibited. I f you do not operate the engine according to the requirements in paragraphs (f)(1) through (4) of this section, the engine will not be considered an emergency engine under this subpart and must meet all requirements for non

emergency

engines. An engine that exceeds the calendar y ear lim itations on non

- emergency operation will be considered a non

- emergency engine and subject to the requirements for non

emergency

engines for the remaining life of the engine. (1) There is no time limit on the use of emergency stationary RICE in emergency si tuations. (2) You may

operate your emergency

stationary

RICE for any

combination of the purposes specified in paragraphs (f)(2)(i) through (iii) of this section for a maximum of 100 hours per calendar year. Any operation for non

- emergency situations as al lowed by

paragraphs (f)(3) and (4) of this section counts as part of the 100 hours per calendar ye ar allowed b y this paragraph (f)(2).26

(i) Emergency

stationary

RI CE may

be operated for maintenance checks and readiness testing, provided that the tests are recommended by federal, state or local government, the manufacturer, the vendor, the regional transmission authority or equivalent balancing authorit y and transmission operator, or the insurance company associated with the engine. The owner or operator may petition the Administrator for approval of additional hours to be used for maintenance checks and readiness testing, but a petition is not required if the owner or operator maintains records indicating that federal, state, or local standards require maint enance and testing of emergency

RICE bey ond 100 hours per calendar y ear. (ii) Emergency

stationary RI CE may

be operated for emergency demand response for p eriods in which the regional transmission authority or equivalent balancing authorit y and transmissi on operator has declared an Energy Emergency

Alert Level 2 (EEA Level 2) as defined in the North American Electric Reliability Corporation Reliability Standard EOP

- 002

- 3, Capacity and Energy

Emergencies. (iii) Emergency

stationary

RI CE may

be operated fo r periods where there is a deviation of voltage or frequency

of 5 percent or greater below standard voltage or frequency

. (3) Emergency

stationary RI CE located at major sources of HAP may be operated for up to 50 hours per calendar year in non

- emergency s ituations. The 50 hours of operation in non

emergency

situations are counted as part of the 100 hours per calendar y ear for maintenance and testing and emergency

demand response provided in paragraph (f)(2) of this section. The 50 hours per ye ar for non

- em ergency situations cannot be used for peak shaving or non

- emergency demand response, or to generate income for a facility to supply power to an electric grid or otherwise suppl y power as part of a financial arrangement with another entity. (4) Existing e mergency

stationary

RICE located at area sources of HAP may be operated for up to 50 hours per calendar ye ar in non

- emergency situations. The 50 hours of operation in
non - emergency

situations are counted as part of the 100 hours per calendar y ear for maint enance and testing and emergency demand response provided in paragraph (f)(2) of this section. (i) Prior to April 16 , 2017, the 50 hours per ye ar for non

- emergency situations can be used for peak shaving or non

- emergency demand response to generate incom e for a facility , or to otherwise suppl y power as part of a financial arrangement with another entity if engines is operated as part of a peak shaving (load management program) with the local distribution sy stem27

operator and the power is provided only to the facility

itself or to support the local distribution sy stem. (ii) On or after April 16 , 2017, the 50 hours per y ear for non

- emergency situations cannot be used for peak shaving or non

- emergency demand response, or to otherwise supply power as part of a financial arrangement with another entity

. **Notifications, Reports, and Records** §63.6645 What notifications must Isubmit and when? (a) You must submit all of the notifications in §§63.7(b) and (c), 63.8(e), (f)(4) and (f)(6), 63.9(b) through (e), and (g) and (h) that apply to you by

the dates specified if y ou own or operate any of the following; (1) An existing stationary RI CE with a site rating of less than or equal to 500 brake HP located at a major source of HAP emissions. (2) An existing stationary R ICE located at an area source of HAP emissions. (3) A stationary

RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions. (4) A new or reconstructed 4SLB stationary RICE with a site rating of greater than or equal to 250 HP located at a major source of HAP emissions. (5) This requirement does not apply if you own or operate an existing stationary RI CE less than 100 HP, an existing stationary emergency

RI CE, or an existing stationary RI CE that is not subject to any

num erical emission standards. (b) As specified in §63.9(b)(2), if you start up your stationary RI CE with a site rating of more than 500 brake HP located at a major source of HAP emissions before the effective date of this subpart, y ou must submit an Initial Notification not later than December 13, 2004. (c) If you start up your new or reconstructed stationary RI CE with a site rating of more than 500 brake HP located at a major source of HAP emissions on or after August 16, 2004, you must submit an Initial No tification not later than 120 day s after yo u become subject to this subpart. (d) As specified in §63.9(b)(2), if you start up your stationary RI CE with a site rating of equal to or less than 500 brake HP located at a major source of HAP emissions before the28

effective date of this subpart and you are required to submit an initial notification, you must submit an Initial Notification not later than July 16, 2008. (e) If you start up your new or reconstructed stationary RI CE with a site rating of equal to
or less than 500 brake HP located at a major source of HAP emissions on or after March 18, 2008 and y ou are required to submit an initial notification, y ou must submit an Initial Notification not later than 120 day s after y ou become subject to this subpart. (f) If you are required to submit an Initial Notification but are otherwise not affected by the requirements of this subpart, in accordance with §63.6590(b), y our notification should include the information in §63.9(b)(2)(i) through (v), and a statement that your stationary RI CE has no additional requirements and explain the basis of the exclusion (for example, that it operates exclusively

as an emergency

stationary

RI CE if it has a site rating of more than 500 brake HP located at a major source of HAP emi ssions). (g) If you are required to conduct a performance test, you must submit a Notification of Intent to conduct a performance test at least 60 days before the performance test is scheduled to begin as required in §63.7(b)(1). (h) If you are required to conduct a performance test or other initial compliance demonstration as specified in Tables 4 and 5 to this subpart, you must submit a Notification of Compliance Status according to §63.9(h)(2)(ii). (1) For each initial compliance demonstration require d in Table 5 to this subpart that does not include a performance test, y ou must submit the Notification of Compliance Status before the close of business on the 30th day following the completion of the initial compliance demonstration. (2) For each initia l compliance demonstration required in Table 5 to this subpart that includes a performance test conducted according to the requirements in Table 3 to this subpart, yo u must submit the Notification of Compliance Status, including the performance test result s, before the close of business on the 60th day following the completion of the performance test according to §63.10(d)(2). (i ) If you own or operate an existing non

- emergency CI RICE with a site rating of more than 300 HP located at an area source of HAP emissions that is certified to the Tier 1 or Tier 2 emission standards in Table 1 of 40 CFR 89.112 and subject to an enforceab le state or local standard requiring engine replacement and you intend to meet management practices rather than29

emission limits, as specified in §63.6603(c), you must submit a notification by March 3, 2013, stating that you intend to use the provision in § 63.6603(c) and identifying the state or local regulation that the engine is subject to. § 63.6650 What reports must Isubmit and when? (a) You must submit each report in Table 7 of this subpart that applies to you. (b) Unless the Administrator has approv ed a different schedule for submission of reports under §63.10(a), you must submit each report b y the date in Table 7 of this subpart and according to the requirements in paragraphs (b)(1) through (b)(9) of this section. (1) For semiannual Compliance repo rts, the first Compliance report must cover the period beginning on the compliance date that is specified for your affected source in §63.6595 and ending on June 30 or December 31, whichever date is the first date following the end of the first calendar ha lf after the compliance date that is specified for y our source in §63.6595. (2) For semiannual Compliance reports, the first Compliance report must be postmarked or delivered no later than July 31 or January

31, whichever date follows the end of the first calendar half after the compliance date that is specified for your affected source in §63.6595. (3) For semiannual Compliance reports, each subsequent Compliance report must cover the semiannual reporting period from January 1 through June 30 or the semi annual reporting period from July

1 through December 31. (4) For semiannual Compliance reports, each subsequent Compliance report must be postmarked or delivered no later than July 31 or January

31, whichever date is the first date following the end of the semiannual reporting period. (5) For each stationary

RICE that is subject to permitting regulations pursuant to 40 CFR part 70 or 71, and if the permitting authorit y has established dates for submitting semiannual reports pursuant to 40 CFR 70.6(a)(3) (iii)(A) or 40 CFR 71.6 (a)(3)(iii)(A), you may submit the first and subsequent Compliance reports according to the dates the permitting authorit y has established instead of according to the dates in paragraphs (b)(1) through (b)(4) of this section. (6) F or annual Compliance reports, the first Compliance report must cover the period beginning on the compliance date that is specified for your affected source in §63.6595 and ending on December 31.30

(7) For annual Compliance reports, the first Compliance repo rt must be postmarked or delivered no later than January 31 following the end of the first calendar year after the compliance date that is specified for your affected source in §63.6595. (8) For annual Compliance reports, each subsequent Compliance report must cover the annual reporting period from January 1 through December 31. (9) For annual Compliance reports, each subsequent Compliance report must be postmarked or delivered no later than January 31. (c) The Compliance report must contain the informat ion in paragraphs (c)(1) through (6) of this section. (1) Compan y name and address. (2) Statement b y a responsible official, with that official's name, title, and signature, certifying the accuracy

of the content of the report. (3) Date of report and be ginning and ending dates of the reporting period. (4) If you had a malfunction during the reporting period, the compliance report must include the number, duration, and a brief description for each t ype of malfunction which occurred during the reporting p eriod and which caused or may have caused any

applicable emission limitation to be exceeded. The report must also include a description of actions taken by an owner or operator during a malfunction of an affected source to minimize emissions in accordance with §63.6605(b), including actions taken to correct a malfunction. (5) If there are no deviations from an y emission or operating limitations that apply to y ou, a statement that there were no deviations from the emission or operating limitations during th e reporting period. (6) If there were no periods during which the continuous monitoring sy stem (CMS), including CEMS and CPMS, was out

- of

- control, as specified in §63.8(c)(7), a statement that there were no periods during which the CMS was out

- of

- control during the reporting period. (d) For each deviation from an emission or operating limitation that occurs for a stationary RICE where you are not using a CMS to comply with the emission or operating limitations in this subpart, the Compliance report must contain the information in paragraphs (c)(1) through (4) of this section and the information in paragraphs (d)(1) and (2) of this section. (1) The total operating time of the stationary RICE at which the deviation occurred during the reporting period.31

(2 ) Information on the number, duration, and cause of deviations (including unknown cause, if applicable), as applicable, and the corrective action taken. (e) For each deviation from an emission or operating limitation occurring for a stationary RI CE where you are using a CMS to comply with the emission and operating limitations in this subpart, y ou must include information in paragraphs (c)(1) through (4) and (e)(1) through (12) of this section. (1) The date and time that each malfunction started and stopp ed. (2) The date, time, and duration that each CMS was inoperative, except for zero (low

level) and high

- level checks. (3) The date, time, and duration that each CMS was out

- of

- control, including the information in §63.8(c)(8). (4) The date and time that each deviation started and stopped, and whether each deviation occurred during a period of malfunction or during another period. (5) A summary

of the total duration of the deviation during the reporting period, and the total duration as a percent of the total source operating time during that reporting period. (6) A breakdown of the total duration of the deviations during the reporting period into those that are due to control equipment problems, process problems, other known causes, and other unknown c auses. (7) A summary

of the total duration of CMS downtime during the reporting period, and the total duration of CMS downtime as a percent of the total operating time of the stationary RI CE at which the CMS downtime occurred during that reporting period. (8) An identification of each parameter and pollutant (CO or formaldeh yde) that was monitored at the stationary RICE. (9) A brief description of the stationary RI CE. (10) A brief description of the CMS. (11) The date of the latest CMS certification or audit. (12) A description of an y changes in CMS, processes, or controls since the last reporting period. (f) Each affected source that has obtained a title V operating permit pursuant to 40 CFR part 70 or 71 must report all deviations as defined in this subpart in the semiannual monitoring report required b y 40 CFR 70.6 (a)(3)(iii)(A) or 40 CFR 71.6(a)(3)(iii )(A). If an affected source32

submits a Compliance report pursuant to Table 7 of this subpart along with, or as part of, the semiannual monitoring report required b y 40 CFR 70.6(a)(3)(iii)(A) or 40 CFR 71.6(a)(3)(iii)(A), and the Compliance report includes a ll required information concerning deviations from an y emission or operating limitation in this subpart, submission of the Compliance report shall be deemed to satisfy any obligation to report the same deviations in the semiannual monitoring report. Howeve r, submission of a Compliance report shall not otherwise affect an y obligation the affected source may have to report deviations from permit requirements to the permit authority

. (g) If you are operating as a new or reconstructed stationary RICE which fir es landfill gas or digester gas equivalent to 10 percent or more of the gross heat input on an annual basis, y ou must submit an annual report according to Table 7 of this subpart by the date specified unless the Administrator has approved a different sched ule, according to the information described in paragraphs (b)(1) through (b)(5) of this section. You must report the data specified in (g)(1) through (g)(3) of this section. (1) Fuel flow rate of each fuel and the heating values that were used in y our cal culations. You must also demonstrate that the percentage of heat input provided b y landfill gas or digester gas is equivalent to 10 percent or more of the total fuel consumption on an annual basis. (2) The operating limits provided in y our federally enfor ceable permit, and any deviations from these limits. (3) An y problems or errors suspected with the meters. §63.6655 What records must Ikeep? (a) If you must comply with the emission and operating limitations, you must keep the records described in para graphs (a)(1) through (a)(5), (b)(1) through (b)(3) and (c) of this section. (1) A cop y of each notification and report that yo u submitted to comply with this subpart, including all documentation supporting an y Initial Notification or Notification of Comp liance Status that you submitted, according to the requirement in §63.10(b)(2)(xiv). (2) Records of the occurrence and duration of each malfunction of operation ( i.e., process equipment) or the air pollution control and monitoring equipment. (3) Records of performance tests and performance evaluations as required in §63.10(b)(2)(viii).33

(4) Records of all required maintenance performed on the air pollution control and monitoring equipment. (5) Records of actions taken during periods of malfunction to min imize emissions in accordance with §63.6605(b), including corrective actions to restore malfunctioning process and air pollution control and monitoring equipment to its normal or usual manner of operation. (b) For each CEMS or CPMS, you must keep the reco rds listed in paragraphs (b)(1) through (3) of this section. (1) Records described in §63.10(b)(2)(vi) through (xi). (2) Previous ( i.e., superseded) versions of the performance evaluation plan as required in §63.8(d)(3). (3) Requests for alternatives t o the relative accuracy test for CEMS or CPMS as required in §63.8(f)(6)(i), if applicable. (c) If you are operating a new or reconstructed stationary RICE which fires landfill gas or digester gas equivalent to 10 percent or more of the gross heat input o n an annual basis, y ou must keep the records of your daily fuel usage monitors. (d) You must keep the records required in Table 6 of this subpart to show continuous compliance with each emission or operating limitation that applies to y ou. (e) You must k eep records of the maintenance conducted on the stationary RI CE in order to demonstrate that you operated and maintained the stationary RI CE and after

- treatment control device (if an y) according to your own maintenance plan if you own or operate an y of the following stationary

RICE; (1) An existing stationary RI CE with a site rating of less than 100 brake HP located at a major source of HAP emissions. (2) An existing stationary emergency

RI CE. (3) An existing stationary RI CE located at an area source of HAP emissions subject to management practices as shown in Table 2d to this subpart. (f) If you own or operate any of the stationary RICE in paragraphs (f)(1) or (2) of this section, y ou must keep records of the hours of operation of the engine that is rec orded through the non

- resettable hour meter. The owner or operator must document how many hours are spent for emergency

operation, including what classified the operation as emergency and how many hours are spent for non

- emergency operation. If the engines are used for demand response34

operation, the owner or operator must keep records of the notification of the emergency situation, and the time the engine was operated as part of demand response. (1) An existing emergency stationary RICE with a site rating of less than or equal to 500 brake HP located at a major source of HAP emissions that does not meet the standards applicable to non

- emergency

engines. (2) An existing emergency stationary RICE located at an area source of HAP emissions that does not meet the standards applicable to non

- emergency engines. § 63.6660 Inwhat form and how long must I keep my records? (a) Your records must be in a form suitable and readily available for expeditious review according to §63.10(b)(1). (b) As specified in §63.10(b)(1), you must keep each record for 5 ye ars following the date of each occurrence, measurement, maintenance, corrective action, report, or record. (c) You must keep each record readil y accessible in hard cop y or electronic form for at least 5 y ear s after the date of each occurrence, measurement, maintenance, corrective action, report, or record, according to §63.10(b)(1). **Other Requirements and Information** §63.6665 What parts of the General Provisions apply to me? Table 8 to this subpart shows whi ch parts of the General Provisions in §§63.1 through 63.15 apply to y ou. If y ou own or operate a new or reconstructed stationary RICE with a site rating of less than or equal to 500 brake HP located at a major source of HAP emissions (except new or reconstructed 4SLB engines greater than or equal to 250 and less than or equal to 500 brake HP), a new or reconstructed stationary RI CE located at an area source of HAP emissions, or any of the following RICE with a site rating of more than 500 brake HP located a t a major source of HAP emissions, y ou do not need to comply with an y of the requirements of the General Provisions specified in Table 8: An existing 2SLB stationary RI CE, an existing 4SLB stationary RICE, an existing stationary

RICE that combusts landfill or digester gas equivalent to 10 percent or more of the gross heat input on an annual basis, an existing emergency stationary

RI CE, or an existing limited use stationary

RICE. I f you own or operate an y of the following RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions, y ou do not need to comply with the requirements in the General Provisions specified in Table 8 except for the initial notification requirements: A new stationary RICE that combusts landfill gas or d igester gas35

equivalent to 10 percent or more of the gross heat input on an annual basis, a new emergency stationary RICE, or a new limited use stationary RI CE. §63.6670 Who implements and enforces this subpart? (a) This subpart is implemented and enforce d by the U.S. EPA, or a delegated authority such as your State, local, or tribal agency. If the U.S. EPA Administrator has delegated authority to y our State, local, or tribal agency , then that agency (as well as the U.S. EPA) has the authorit y to implement and enforce this subpart. You should contact your U.S. EPA Regional Office to find out whether this subpart is delegated to your State, local, or tribal agency. (b) In delegating implementation and enforcement authority of this subpart to a State, local, or tribal agency

under 40 CFR part 63, subpart E, the authorities contained in paragraph (c) of this section are retained by the Administrator of the U.S. EPA and are not transferred to the State, local, or tribal agency

. (c) The authorities that will no t be delegated to State, local, or tribal agencies are: (1) Approval of alternatives to the non

- opacit y emission limitations and operating limitations in §63.6600 under §63.6(g). (2) Approval of major alternatives to test methods under §63.7(e)(2)(ii) an d (f) and as defined in §63.90. (3) Approval of major alternatives to monitoring under §63.8(f) and as defined in §63.90. (4) Approval of major alternatives to recordkeeping and reporting under §63.10(f) and as defined in §63.90. (5) Approval of a performance test which was conducted prior to the effective date of the rule, as specified in §63.6610(b). §63.6675 What definitions apply to this subpart? Terms used in this subpart are defined in the Clean Air Act (CAA); in 40 CFR 63.2, the General Prov isions of this part; and in this section as follows: Alaska Railbelt Grid means the service areas of the six regulated public utilities that extend from Fairbanks to Anchorage and the Kenai Peninsula. These utilities are Golden Valley Electric Association ; Chugach Electric Association; Matanuska Electric Association; Homer Electric Association; Anchorage Municipal L ight & Power; and the City of Seward Electric Sy stem.36

Area source means any

stationary

source of HAP that is not a major source as defined in part 63. Associated equipment as used in this subpart and as referred to in section 112(n)(4) of the CAA, means equipment associated with an oil or natural gas exploration or production well, and includes all equipment from the well bore to the point of c ustody transfer, except gl ycol dehy dration units, storage vessels with potential for flash emissions, combustion turbines, and stationary RICE. Black start engine means an engine whose only purpose is to start up a combustion turbine. CAA means the Clean Air Act (42 U.S.C. 7401 et seq., as amended b y Public Law 101

– 549, 104 Stat. 2399). Commercial emergency stationary RICE means an emergency stationary

RICE used in commercial establishments such as office buildings, hotels, stores, telecommunications fac ilities, restaurants, financial institutions such as banks, doctor's offices, and sports and performing arts facilities. Compression ignition means relating to a t ype of stationary internal combustion engine that is not a spark ignition engine. Custody transfer means the transfer of h ydrocarbon liquids or natural gas: After processing and/or treatment in the producing operations, or from storage vessels or automatic transfer facilities or other such equipment, including product loading racks, to pipelines or an y other forms of transportation. For the purposes of this subpart, the point at which such liquids or natural gas enters a natural gas processing plant is a point of custody transfer. Deviation means an y instance in which an affected source subject to this subpart, or an owner or operator of such a source: (1) Fails to meet an y requirement or obligation established by this subpart, including but not limited to any

emission limitation or operating limitation; (2) Fails to meet an y term or condition that is adopted to implement an applicable requirement in this subpart and that is included in the operating permit for any affected source required to obtain such a permit; or (3) Fails to meet an y emission limitation or operating limitation in this subp art during malfunction, regardless or whether or not such failure is permitted by this subpart.37

(4) Fails to satisfy

the general dut y to minimize emissions established by §63.6(e)(1)(i). Diesel engine means any

stationary

RICE in which a high boiling poi nt liquid fuel injected into the combustion chamber ignites when the air charge has been compressed to a temperature sufficientl y high for auto

- ignition. This process is also known as compression ignition. Diesel fuel means an y liquid obtained from the di stillation of petroleum with a boiling point of approximately

150 to 360 degrees Celsius. One commonly used form is fuel oil number 2. Diesel fuel also includes an y non - distillate fuel with comparable phy sical and chemical properties ( e.g. biodiesel) that is suitable for use in compression ignition engines. Digester gas means an y gaseous b y - product of wastewater treatment t ypically formed through the anaerobic decomposition of organic waste materials and composed principall y of methane and CO 2 . Dual

- fuel engine means any

stationary

RI CE in which a liquid fuel (t ypically diesel fuel) is used for compression ignition and gaseous fuel (ty pically natural gas) is used as the primary fuel. Emergency

stationary

RICE means an y stationary reciprocating internal c ombustion engine that meets all of the criteria in paragraphs (1) through (3) of this definition. All emergency

stationary

RICE must comply

with the requirements specified in §63.6640(f) in order to be considered emergency stationary

RI CE. If the engine do es not comply with the requirements specified in §63.6640(f), then it is not considered to be an emergency stationary RI CE under this subpart. (1) The stationary

RICE is operated to provide electrical power or mechanical work during an emergency

situation . Examples include stationary RICE used to produce power for critical networks or equipment (including power supplied to portions of a facility) when electric power from the local utility (or the normal power source, if the facilit y runs on its own power p roduction) is interrupted, or stationary RI CE used to pump water in the case of fire or flood, etc. (2) The stationary

RICE is operated under limited circumstances for situations not included in paragraph (1) of this definition, as specified in §63.6640(f ). (3) The stationary

RICE operates as part of a financial arrangement with another entity in situations not included in paragraph (1) of this definition only as allowed in §63.6640(f)(2)(ii) or (iii) and §63.6640(f)(4)(i).38

Engine startup means the time from initial start until applied load and engine and associated equipment reaches stead y state or normal operation. For stationary engine with
c atal yt ic controls, engine startup means the time from initial start until applied load and engine and associated equipment, including the cataly st, reaches steady state or normal operation. Four

- stroke engine means any t yp e of engine which completes the p ower cy cle in two crankshaft revolutions, with intake and compression strokes in the first revolution and power and exhaust strokes in the second revolution. Gaseous fuel means a material used for combustion which is in the gaseous state at standard atmos pheric temperature and pressure conditions. Gasoline means an y fuel sold in any State for use in motor vehicles and motor vehicle engines, or nonroad or stationary engines, and commonly

or commercially known or sold as gasoline. Glycol dehydration unit m eans a device in which a liquid gl ycol (including, but not limited to, ethylene gl yco l, diethylene gl yc ol, or triethylene gl ycol) absorbent directly contacts a natural gas stream and absorbs water in a contact tower or absorption column (absorber). The gl y col contacts and absorbs water vapor and other gas stream constituents from the natural gas and becomes “rich” gly col. This gly col is then regenerated in the gly col dehy dration unit reboiler. The “lean” gl yc ol is then recy cled. Hazardous air pollutants (H AP) means any

air pollutants listed in or pursuant to section 112(b) of the CAA. Institutional emergency stationary RICE means an emergency stationary

RICE used in institutional establishments such as medical centers, nursing homes, research centers, inst itutions of higher education, correctional facilities, elementary and secondary

schools, libraries, religious establishments, police stations, and fire stations. ISO standard day conditions means 288 degrees Kelvin (15 degrees Celsius), 60 percent relative humidity

and 101.3 kilopascals pressure. Landfill gas means a gaseous by

- product of the land application of municipal refuse ty picall y formed through the anaerobic decomposition of waste materi als and composed principally

of methane and CO 2 . Lean burn engine means any two

- stroke or four

- stroke spark ignited engine that does not meet the definition of a rich burn engine.39

Limited use stationary RICE means an y stationary RI CE that operates less than 100 hours per year. Liquefied petroleum gas means an y liquefied h ydrocarbon gas obtained as a by

- product in petroleum refining of natural gas production. Liquid fuel means any

fuel in liquid form at standard temperature and pressure, including but no t limited to diesel, residual/crude oil, kerosene/naphtha (jet fuel), and gasoline. Major Source, as used in this subpart, shall have the same meaning as in §63.2, except that: (1) Emissions from an y oil or gas exploration or production well (with its associated equipment (as defined in this section)) and emissions from an y pipeline compressor station or pump station shall not be aggregated with emissions from other similar units, to determine whether such emission points or stations are major sources, even when emission points are in a contiguous area or under common control; (2) For oil and gas production facilities, emissions from processes, operations, or equipment that are not part of the same oil and gas production facilit y, as defined in §63.1271 of subpart HHH of this part, shall not be aggregated; (3) For production field facilities, only HAP emissions from gl ycol deh ydration units, storage vessel with the potential for flash emissions, combustion turbines and reciprocating internal combustion engines shall be aggregated for a major source determination; and (4) Emissions from processes, operations, and equipment that are not part of the same natural gas transmission and storage facility , as defined in §63.1271 of subpart HHH of this part, shal l not be aggregated. Malfunction means an y s udden, infrequent, and not reasonabl y preventable failure of air pollution control equipment, process equipment, or a process to operate in a normal or usual manner which causes, or has the potential to cause, the emission limitations in an applicable standard to be exceeded. Failures that are caused in part by poor maintenance or careless operation are not malfunctions. Natural gas means a naturally occurring mixture of hy drocarbon and non

- hydrocarbon gases found in geologic formations beneath the Earth's surface, of which the principal constituent is methane. Natural gas may be field or pipeline quality

.40

Non

- selective catalytic reduction (NSCR) means an add

- on cataly tic nitrogen oxides (NO X ) control device for rich burn engines that, in a two

- step reaction, promotes the conversion of excess ox ygen, NO X , CO, and volatile organic compounds (VOC) into CO 2 , nitrogen, and water. Oil and gas production facility as used in this subpart means an y grouping of equipment where h ydrocarbon liquids are processed, upgraded ( i.e., remove impurities or other constituents to meet contract specifications), or stored prior to the point of custody transfer; or where natural gas is processed, upgraded, or stored prior to entering the natural gas transmission and storage source category . For purposes of a major source determination, facilit y (including a building, structure, or installation) means oil and natural gas production and processing equipment that is located within the boundaries of an individual surface site as defined in this section. Equipment that is part of a facility

will ty pically be located within close proximity to other equipment located at the same facility . Pieces of production equipment or groupings of equipment located on different oil and gas leases, mineral fee tracts, lease tracts, subsurface or surface unit areas, surface fee tracts, surface lease tracts, or separate surface sites, whether or not connected b y a road, waterway , power line or pipeline, shall not be considered part of the same facility

. Examples of facilities in the oil and natural gas production source category include, but are not limited to, well sites, satellite tank batteries, central tank batteries, a compressor station that transports natural gas to a natural gas processing plant, and natural gas processing plants. Oxidation catalyst means an add

- on catal yt ic control device that controls CO and VOC by oxidation. Peaking unit or engine means any standb y engine intended for use during periods of high demand that are not emergencies. Percent load means the fractional power of an engine compared to its maximum manufacturer's design capacity at engine site conditions. Percent load may range between 0 percent to above 100 percent. Potenti al to emit means the maximum capacity of a stationary

source to emit a pollutant under its phy sical and operational design. Any phy sical or operational limitation on the capacity of the stationary

source to emit a pollutant, including air pollution control equipment and restrictions on hours of operation or on the t ype or amount of material combusted, stored, or processed, shall be treated as part of its design if the limitation or the effect it would have on41

emissions is federall y enforceable. For oil and natural gas production facilities subject to subpart HH of this part, the potential to emit provisions in §63.760(a) may be used. For natural gas transmission and storage facilities subject to subpart HHH of this part, the maximum annual facility gas throu ghput for storage facilities may be determined according to §63.1270(a)(1) and the maximum annual throughput for transmission facilities may be determined according to §63.1270(a)(2). Production field facility means those oil and gas production facilities located prior to the point of custody

transfer. Production well means any hole drilled in the earth from which crude oil, condensate, or field natural gas is extracted. Propane means a colorless gas derived from petroleum and natural gas, with the molecu lar structure C 3 H 8 . Remote stationary

RICE means stationary

RICE meeting any

of the following criteria: (1) Stationary

RI CE located in an offshore area that is bey ond the line of ordinary low water along that portion of the coast of the United States that is in direct contact with the open seas and bey ond the line marking the seaward limit of inland waters. (2) Stationary

RI CE located on a pipeline segment that meets both of the criteria in paragraphs (2)(i) and (ii) of this definition. (i) A pipeline se gment with 10 or fewer buildings intended for human occupancy within 220 y ards (200 meters) on either side of the centerline of any continuous 1

- mile (1.6 kilometers) length of pipeline. Each separate dwelling unit in a multiple dwelling unit building is c ounted as a separate building intended for human occupancy. (ii) The pipeline segment does not lie within 100 yards (91 meters) of either a building or a small, well

- defined outside area (such as a playground, recreation area, outdoor theater, or other pla ce of public assembly) that is occupied by 20 or more persons on at least 5 day s a week for 10 weeks in an y 12

- month period. The day s and weeks need not be consecutive. The building or area is considered occupied for a full day if it is occupied for any

po rtion of the day

. (iii) For purposes of this paragraph (2), the term pipeline segment means all parts of those phy sical facilities through which gas moves in transportation, including but not limited to pipe, valves, and other appurtenance attached to pipe, compressor units , metering stations, regulator stations, delivery stations, holders, and fabricated assemblies. Stationary RI CE located42

within 50 y ards (46 m) of the pipeline segment providing power for equipment on a pipeline segment are part of the pipeline segment. Tra nsportation of gas means the gathering, transmission, or distribution of gas b y pipeline, or the storage of gas. A building is intended for human occupancy

if its primary

use is for a purpose involving the presence of humans. (3) Stationary

RI CE that are n ot located on gas pipelines and that have 5 or fewer buildings intended for human occupancy within a 0.25 mile radius around the engine. A building is intended for human occupancy if its primary

use is for a purpose involving the presence of humans. Resid ential emergency stationary RICE means an emergency stationary

RICE used in residential establishments such as homes or apartment buildings. Responsible official means responsible official as defined in 40 CFR 70.2. Rich burn engine means any four

- stroke spark ignited engine where the manufacturer's recommended operating air/fuel ratio divided b y the stoichiometric air/fuel ratio at full load conditions is less than or equal to 1.1. Engines originall y manufactured as rich burn engines , but modified prior to December 19, 2002 with passive emission control technology for NO X (such as pre - combustion chambers) will be considered lean burn engines. Also, existing engines where there are no manufacturer's recommendations regarding air/fuel ratio will be considered a rich burn engine if the excess ox ygen content of the exhaust at full load conditions is less than or equal to 2 percent. Site

- rated HP means the maximum manufacturer's design capacity at engine site conditions. Spark ignition means relating to either: A gasoline

- fueled engine; or any other ty pe of engine with a spark plug (or other sparking device) and with operating characteristics significantl y similar to the theoretical Otto combustion cycle. Spark ignition engines usually use a throttle to regulate intake air flow to control power during normal operation. Dual

- fuel engines in which a liquid fuel (t ypically diesel fuel) is used for CI and gaseous fuel (typically natural gas) is used as the primary

fuel at an annual average ratio of less than 2 parts diesel fuel to 100 parts total fuel on an energy

equivalent basis are spark ignition engines. Stationary reciprocating internal combustion engine (RICE) means any reciprocating internal combustion engine which uses reciprocating moti on to convert heat energy into mechanical work and which is not mobile. Stationary RI CE differ from mobile RI CE in that a43

stationary RICE is not a non

- road engine as defined at 40 CFR 1068.30, and is not used to propel a motor vehicle or a vehicle used sol el y for competition. Stationary RICE test cell/stand means an engine test cell/stand, as defined in subpart PPPPP of this part, that tests stationary RICE. Stoichiometric means the theoretical air

- to

- fuel ratio required for complete combustion. Storage vessel with the potential for flash emissions means an y storage vessel that contains a h ydrocarbon liquid with a stock tank gas

- to

- oil ratio equal to or greater than 0.31 cubic meters per liter and an American Petroleum Institute gravit y equal to or greate r than 40 degrees and an actual annual average h ydrocarbon liquid throughput equal to or greater than 79,500 liters per day . Flash emissions occur when dissolved hy drocarbons in the fluid evolve from solution when the fluid pressure is reduced. Subpart me ans 40 CFR part 63, subpart ZZZZ. Surface site means an y combination of one or more graded pad sites, gravel pad sites, foundations, platforms, or the immediate ph ys ical location upon which equipment is phy sicall y affixed. Two

- stroke engine means a ty pe of engine which completes the power cy cle in single crankshaft revolution b y combining the intake and compression operations into one stroke and the power and exhaust operations into a second stroke. This sy stem requires auxiliary scavenging
and inherentl y runs lean of stoichiometric. **Table 1a to Subpart ZZZZ of Part 63**

**— Em**  **ission Limitations for Existing, New, and Reconstructed Spark Ignition, 4SRB Stationary RICE >500 HP Located at a Major Source**  **of HAP Emissions**
As stated in §§63.6600 and 63 .6640, y ou must comply with the following emission limitations at 100 percent load plus or minus 10 percent for existing, new and reconstructed 4SRB stationary RI CE >500 HP located at a major source of HAP emissions:

**For each .**

**. . You must meet the follo**  **wing emission**

**limitation, except during periods of startup . . .**  **During periods of startup you must . .**

**.**44

1. 4SRB stationary RI CE a. Reduce formaldeh yd e emissions by 76 percent or more. If you commenced construction or reconstruction between December 19, 2002 and June 15, 2004, y ou may reduce formaldehyde emissions by 75 percent or more until June 15, 2007 or Minimize the engine's time spent at idle and minimize the engine's startup time at startup to a period needed for appropriate and safe loading of the engine, not to exceed 30 minutes, after which time the non

- startup emission limitations apply

. 1
b. L imit the concentration of formaldehyde in the stationary

RICE exhaust to 350 ppbvd or less at 15 percent O 2 1 Sources can petition the Administrator pursuant to the requirements of 40 CFR 63.6(g) for alternative work practices.

**Table 1b to Subpart ZZZZ of Part 63. Operating Limitations for Existing, New, and Reconstructed**  **SI 4SRB Stationary RICE >500 HP Located at a Major Source of HAP**  **Emissions** As stated in §§63.6600, 63.6603, 63.6630 and 63.6640, y ou must compl y with the following operating limitations for existing, new and reconstructed 4SRB stationary RI CE >500 HP located at a major source of HAP emissions :

**For each... You must meet the following**  **operating limitation**  **, except during periods of startup**  **...** 1. existing, new and reconstructed 4SRB stationary RICE >500 HP located at a major source of HAP emissions complying with the requirement to reduce formaldehyde emissions by 76 percent or more (or by 75 percent or a. maintain y our cataly st so that the pressure

drop across the catal ys t does not change by more than 2 inches of water at 100 percent load plus or minus 10 percent from the pressure drop across the catal ys t measured during the45

more, if applicable) and using NSCR;

or existing, new and reconstructed 4SRB stationary RICE >500 HP located at a major source of HAP emissions complying with the requirement to limit the concentration of formaldeh yde in the stationary R IC E exhaust to 350 ppbvd or less at 15 percent O 2 and using NSCR; initial performance test; and

b. maintain the temperature of your stationary RI CE exhaust so that the catal ys t inlet temperature is greater than or equal to 750°F and less than or equal to 1250°F. 1

2. existing, new and reconstructed 4SRB stationary RICE > 500 HP located at a major source of HAP emissions complying with the requirement to reduce formaldehyde emissions by 76 percent or more (or by 75 percent or more, if applicable) and not using NSCR;

or existing, new and reconstructed 4SRB stationary RICE >500 HP located at a major source of HAP emissions complying with the requirement to limit the concentration of formaldeh yde in the stationary RI CE exhaust to 350 ppbvd or less at 15 percent O 2 and not using NSCR

. Comply with any operating limitations approved b y the Administrator.

1 Sources can petition the Administrator pursuant to the requirements of 40 CFR 63.8(f) for a different temperature range. **Table 2b to Subpart ZZZZ of Part 63** 

. **Operating Limitations for New and Reconstructed 2SLB and**  **CI Stationary RICE**  **> 500 HP Located at a Major Source of HAP Emissions,**  **New and Reconstructed 4SLB Stationary RICE ≥250 HP Located at a Major Source of** 46

**HAP Emissions, Existing CI**  **Stationary RICE >500 HP, and Existing 4SLB Stationary RICE >500 HP Located at**  **an Area Source of HAP Emissions** As stated in §§63.6600, 63.6601, 63.6603, 63.6630, and 63.6640, y ou must comply with the following operating limitations for new and reconstructed 2SLB and CI stationary RICE >500 HP located at a major source of HAP emissions; new and reconstructed 4SL B stationary RI CE ≥250 HP located at a major source of HAP emissions; and existing CI stationary RI CE >500 HP **:**

**For each... You must meet the following operating**  **limitation , except during periods of**  **startup ...**  1. New and reconstructed 2SLB and CI stationary RICE >500 HP located at a major source of HAP emissions and new and reconstructed 4SLB stationary RI CE ≥250 HP located at a major source of HAP emissions complying with the requirement to reduce CO emissions and using an oxidation cataly st; and
New and reconstructed 2SLB and CIstationary RI CE >500 HP located at a major source of HAP emissions and new and reconstructed 4SLB stationary

RI CE ≥250 HP located at a major source of HAP emissions complying with the requirement to limit the concentration of formaldeh yd e in the stationary RI CE exhaust and using an oxidation catal ys t a. maintain y our cataly st so that the pressure drop across the catal ys t does not change by more than 2 inches of water at 100 percent load p lus or minus 10 percent from the pressure drop across the catal ys t that was measured during the initial performance test; and

b. maintain the temperature of your stationary RI CE exhaust so that the catal ys t inlet temperature is greater than or equal to 45 0°F and less than or equal to 1350°F. 147

2. Existing CIstationary

RI CE >500 HP complying with the requirement to limit or reduce the concentration of CO in the stationary RICE exhaust and using an oxidation cataly st a. maintain y our cataly st so that the pressure drop across the catal ys t does not change by more than 2 inches of water from the pressure drop across the catal ys t that was measured during the initial performance test; and

b. maintain the temperature of your stationary RI CE exhaust so that the catal ys t inlet temperature is greater than or equal to 450°F and less than or equal to 1350°F. 148

3. New and reconstructed 2SLB and CI stationary RICE >500 HP located at a major source of HAP emissions and new and reconstructed 4SLB stationary RI CE ≥250 HP located at a major source of HAP emissions complying with the requirement to reduce CO emissions and not using an oxidation cataly st; and
New and reconstructed 2SLB and CIstationary RI CE >500 HP located at a major source of HAP emissions and new and reconstructed 4SLB stationary

RI CE ≥250 HP located at a major source of HAP emissions complying with the requirement to limit the concentration of formaldeh yd e in the stationary RI CE exhaust and not using an oxidation cataly st and existing CIstationary

RICE >500 HP complying with the requirement to limit or reduce the concentration of CO in the stationary RICE exhaust and not using an oxidation cataly st Comply with any oper ating limitations approved b y the Administrator.

1 Sources can petition the Administrator pursuant to the requirements of 40 CFR 63.8( f ) for a different temperature range. **Table 2c to Subpart ZZZZ of Part 63** 

. **Requirements for Existing Compression Ignition**  **Stationary RICE Located at a Major Source of HAP Emissions and Existing Spark Ignition Stationary RICE**  **≤500 HP Located at a Major Source of HAP Emissions**49

As stated in §§63.6600, 63.6602, and 63.6640, y ou must comply with the following requirements for existing compression ignition stationary RI CE located at a major source of HAP emissions and existing spark ignition stationary RICE ≤500 HP located at a major source of HAP emissions **:**
**For each... You must meet the following**  **requirement, except during periods**  **of startup... During periods of startup**  **you must...**

1. Emergency stationary CI RICE and black start stationary

CI RI CE. 1 a. Change oil and filter every 500 hours of operation or annually , whichever comes first; 2
b. Inspect air cleaner every 1 ,000 hours of operation or annually , whichever comes first , and replace as necessary ; c. Inspect all hoses and belts every 500 hours of operation or annually , whichever comes first, and replace as necessary . 3 Minimize the engine’s time spent at idle and minimize the engine’s startup time at startup to a period needed for appropriate and safe loading of the engine, not to exceed 30 minutes, after which time the non

- startup emission limitations apply

. 350

2. Non

- Emergency , non - black start stationary CI RICE <100 HP. a. Change oil and filter every 1,000 hours of operation or annually , whichever comes first 2 ; b. Inspect air cleaner every 1,000 hours of operation or annually , whichever comes first , and replace as necessary ; c. Inspect all hoses and belts ev ery 500 hours of operation or annually , whichever comes first, and replace as necessary . 3
3. Non

- Emergency , non - black start CI stationary RICE 100 < HP < 300 HP. Limit concentration of CO in the stationary RICE exhaust to 230 ppmvd or less at 15 percent O 2 .

4. Non

- Emergency , non - black start CI stationary RICE 300<HP < 500. a. L imit concentration of CO in the stationary RICE exhaust to 49 ppmvd or less at 15 percent O 2 ; or b. Reduce CO emissions by 70 percent or more.
5. Non

- Emergency , non - black start stationary CI RICE >500 HP. a. L imit concentration of CO in the stationary RICE exhaust to 23 ppmvd or less at 15 percent O 2 ; or b. Reduce CO emissions by 70 percent or more.51

6. Emergency stationary SI RICE and black start stationary

SI RI CE. 1 a. Change oil and filter every 500 hours of operation or annually , whichever comes first; 2
b. Inspect spark plugs every 1,000 hours of operation or annually , whichever comes first , and replace as necessary ; c. Inspect all hoses and belts every 500 hours of operati on or annually , whichever comes first, and replace as necessary . 3
7. Non

- Emergency , non - black start stationary SI RICE <100 HP that are not 2SLB stationary

RI CE. a. Change oil and filter every 1,440 hours of operation or annually , whichever comes firs t 2 ; b. Inspect spark plugs every 1,440 hours of operation or annually , whichever comes first , and replace as necessary ; c. Inspect all hoses and belts every 1,440 hours of operation or annuall y, whichever comes first, and replace as necessary . 352

8. Non

- Emergency , non - black start 2SLB stationary SI RICE <100 HP. a. Change oil and filter every 4,320 hours of operation or annually , whichever comes first 2 ; b. Inspect spark plugs every 4,320 hours of operation or annually , whichever comes first , and repla ce as necessary ; c. Inspect all hoses and belts every 4,320 hours of operation or annuall y, whichever comes first, and replace as necessary . 3
9. Non

- emergency , non - black start 2SLB stationary RICE 100 ≤HP≤500 Limit concentration of CO in the stationary RI CE exhaust to 225 ppmvd or less at 15 percent O 2

10. Non

- emergency , non - black start 4SLB stationary RICE 100 ≤HP≤500 Limit concentration of CO in the stationary RICE exhaust to 47 ppmvd or less at 15 percent O 2

11. Non

- emergency , non - black start 4SRB stationary RICE 100 ≤HP≤500 Limit concentration of formaldeh yde in the stationary

RICE exhaust to 10.3 ppmvd or less at 15 percent O 253

12. Non

- emergency , non - black start stationary RICE 100 ≤HP≤500 which combusts landfill or digester gas equivalent to 10 percent or more of the gross heat input on an annual basis Limit concentration of CO in the stationary RICE exhaust to 177 ppmvd or less at 15 percent O 2

1 If an emergency engine is operating duri ng an emergency and it is not possible to shut down the engine in order to perform the work practice requirements on the schedule required in Table 2c of this subpart, or if performing the work practice on the required schedule would otherwise pose
an unac ceptable risk under federal, state, or local law, the work practice can be delay ed until the emergency

is over or the unacceptable risk under federal, state, or local law has abated. The work practice should be performed as soon as practicable after the em ergency has ended or the unacceptable risk under federal, state, or local law has abated. Sources must report any failure to perform the work practice on the schedule required and the federal, state or local law under which the risk was deemed unacceptable

. 2 Sources have the option to utilize an oil analy sis program as described in §63.6625(i) in order to extend the specified oil change requirement in Table 2c of this subpart. 3 Sources can petition the Administrator pursuant to the requirements of 40 CFR 63.6(g) for alternative work practices.

**Table 2d to Subpart ZZZZ of Part 63** 

. **Requirements for Existing Stationary RICE**  **Located at Area Sources of HAP Emissions** As stated in §§63.6603 and 63.6640, y ou must comply with the following requirements for existing stationary

RICE located at area sources of HAP emissions **:**54

**For each... You must meet the**  **following requirement, except during periods of**  **startup... During periods of startup you**  **must...**

1. Non

- Emergency , non black start CI stationary RI CE < 300 HP a. Change oil and filter every 1,000 hours of operation or annually , whichever comes first; 1
b. Inspect air cleaner every 1,000 hours of operation or annually , whichever comes first , and replace as necessary ; c. Inspect all hoses and belts every 500 hours of operation or annuall y, whichever comes first, and replace as necessary . Minimize the engine’s time spent at idle and minimize the engine’s startup time at startup to a period needed for appropriate and safe loading of the engine, not to exceed 30 minutes, after which time the non

- startup emission limitations apply

. 2. Non

- Emergency , non black start CI stationary RI CE 300<HP < 500 a. L imit concentration of CO in the stationary

RICE exhaust to 49 ppmvd at 15 percent O 2 ;

or b. Reduce CO emissions by 7 0 percent or more.55

3. Non

- Emergency , non black start CI stationary RI CE >500 HP a. L imit concentration of CO in the stationary

RICE exhaust to 23 ppmvd at 15 percent O 2 ;

or b. Reduce CO emissions by 70 percent or more. 4. Emergency

stationary

CI RI CE and black start stationary CI RI CE 2 a. Change oil and filter every

500 hours of operation or annually , whichever comes first; 1
b. Inspect air cleaner every 1,000 hours of operation or annually , whichever comes first , and replace as necessary ; and c. Inspect all hoses and belts every 500 hours of operation or annuall y, whichever comes first, and replace as necessary .56

5. Emergency

stationary

SI RI CE; black start stationary SI RICE; non

emergency , non - black start 4SLB s tationary

RI CE >500 HP that operate 24 hours or less per calendar ye ar; non - emergency , non black start 4SRB stationary RI CE >500 HP that operate 24 hours or less per calendar year2 a. Change oil and filter every 500 hours of operation or annually , wh ichever comes first; 1
b. Inspect spark plugs every 1,000 hours of operation or annually , whichever comes first , and replace as necessary ; and c. Inspect all hoses and belts every 500 hours of operation or annuall y, whichever comes first, and replace as necessary . 6. Non

- emergency , non black start 2SLB stationary RI CE a. Change oil and filter every 4,320 hours of operation or annually , whichever comes first; 1
b. Inspect spark plugs every 4,320 hours of operation or annually , whichever comes first , and replace as necessary ; and c. Inspect all hoses and belts every 4,320 hours of operation or annually , whichever comes first, and replace as necessary

.57

7. Non

- emergency , non black start 4SLB stationary RI CE ≤500 HP ; non emergency , non - black start 4SLB remo te stationary RI CE >500 HP a. Change oil and filter every 1,440 hours of operation or annually , whichever comes first; 1
b. Inspect spark plugs every 1,440 hours of operation or annually , whichever comes first , and replace as necessary ; and c. Inspect all hoses and belts every 1,440 hours of operation or annually , whichever comes first, and replace as necessary

. 8. Non

- emergency , non black start 4SLB stationary RI CE >500 HP that are not remote stationary

RICE and that operate more than 24 hours per calendar ye ar Install an oxidation cataly st to reduce HAP emissions from the stationary

RICE58

9. Non

- emergency , non black start 4SRB stationary RI CE ≤500 HP ; non emergency , non - black start 4SRB remote stationary RI CE >500 HP a. Change oil and filter every 1,440 hours of operation or annually , whichever comes first ; 1
b. Inspect spark plugs every 1,440 hours of operation or annually , whichever comes first , and replace as necessary ; and c. Inspect all hoses and belts every 1,440 hours of operation or annually , whichever comes first, and replace as necessary

. 10. No n - emergency , non black start 4SRB stationary RI CE >500 HP that are not remote stationary

RICE and that operate more than 24 hours per calendar ye ar Install NSCR to reduce HAP emissions from the stationary RICE59

11. Non

- emergency , non black start stationary

RICE which combusts landfill or digester gas equivalent to 10 percent or more of the gross heat input on an annual basis a. Change oil and filter every 1,440 hours of operation or annually , whichever comes first; 1
b. Inspect spark plugs every 1,440 hours of operation or annually , whichever comes fi rst , and replace as necessary ; and c. Inspect all hoses and belts every 1,440 hours of operation or annually , whichever comes first, and replace as necessary

.
1 Sources have the option to utilize an oil analysis program as described in §63.6625(i) in ord er to extend the specified oil change requirement in Table 2d of this subpart. 2 If an emergency

engine is operating during an emergency and it is not possible to shut down the engine in order to perform the management practice requirements on the schedule required in Table 2d of this subpart, or if performing the management practice on the required schedule would otherwise pose an unacceptable risk under federal, state, or local law, the management practice can be delay ed until the emergency is over or the unacceptable risk under federal, state, or local law has abated. The management practice should be performed as soon as practicable after the emergency

has ended or the unacceptable risk under federal, state, or local law has abated. Sources must report any failure to perform the management practice on the schedule required and the federal, state or local law under which the risk was deemed unacceptable.
**Table 3 to Subpart ZZZZ of Part 63. Subsequent Performance Tests**
As stated in §§63.6615 and 63.6620, you must comply with the following subsequent performance test requirements:60

**For each... Complying with the**  **requirement to... You must...** 

1. New or reconstructed 2SLB stationary

RI CE >500 HP located at major sources; new or reconstructed 4SLB stationary RICE ≥250 HP located at major sources; and new or reconstructed CI stationary RICE >500 HP located at major sources. Reduce CO emissions and not using a CEMS Conduct subsequent performance tests semiannually 1

.

2. 4SRB stationary

RICE ≥5,000 HP located at major
sources. Reduce formaldeh yde emissions Conduct subsequent performance tests semiannually 1

. 3. Stationary

RICE >500 HP located at major sources and new or reconstructed 4SLB stationary

RI CE with a brake horsepower 250 ≤HP≤500 located at major sources. Limit the concentration of formaldeh yde in the stationary RICE exhaust Conduct subsequent

p erformance tests semiannually 1

.

4. Existing non

- emergency , non - black start CI stationary RICE >500 HP that are not limited use stationary RICE Limit or reduce CO

emissions and not using a CEMS Conduct subsequent performance tests every 8,760 hrs or 3 years, whichever comes first.61

5. Existing non

- emergency , non - black start CI stationary RICE >500 HP that are limited use stationary RICE Limit or reduce CO

emissions and not using a CEMS Conduct subsequent performance tests every 8,760 hrs or 5 years, whichever comes first.

1 After you have demonstrated compliance for two consecutive tests, you may reduce the frequency of subsequent performance tests to annually . If the results of any subsequent annual performance test indicate the stationary RI CE is not in compliance with the CO or formaldehy de emission limitation, or you deviate from an y of your operating limitations, you must resume semiannual performance tests. **Table 4 to Subpart ZZZZ of Part 63. Req uirements for Performance Tests**  As stated in §§63.6610, 63.6611, 63.6612, 63.6620, and 63.6640, y ou must comply with the following requirements for performance tests for stationary RICE:

**For each... Complying with** 

**the requirement**  **to... You must...**  **Using... According to the**  **following requirements...** 

1. 2SLB, 4SLB, and CI stationary RI CE a. reduce CO

emissions i. Measure the

O 2 at the inlet and outlet of the control device; and (1) Method

3 or 3A or 3B of 40 CFR part 60, appendix A, or ASTM Method D6522

- 00 (a) Measurements

to determine O 2 must be made at the s ame time as the measurements for CO concentra

tion.62 (2005) a (incorporate d by reference, see §63.14). ii. Measure the CO at the inlet and the outlet of the control device (1) ASTM

D6522

- 00 (2005) a,b (incorpora

ted by reference, see §63.14) or Method 10 of 40 CFR part 60, appendix A. (a) The CO

concentra

- tion must be at 15 percent O 2 , dry basis.

2. 4SRB stationary RI CE a. reduce

formaldeh yde emissions i. Select the

sampling port location and the number of traverse points; and (1) Method

1 or 1A of 40 CFR part 60, appendix A §63.7(d)(1)( i) (a) sampling sites

must be located at the inlet and outlet of the control device.63 ii. Measure O 2 at the inlet and outlet of the control device; and (1) Method

3 or 3A or 3B of 40 CFR part 60, appendix A, or ASTM Method D6522

- 00(2005). (a) measurements

to determine O 2 concentration must be made at the same time as the measurements for forma ldehyde or THC concentration.

iii. Measure moisture content at the inlet and outlet of the control device; and (1) Method

4 of 40 CFR part 60, appendix A, or Test Method 320 of 40 CFR part 63, appendix A, or ASTM D 6348

- 03 (a) measurements

to determine moisture content must be made at the same time and location as the measurements for formaldeh yde or THC concentration.64 iv. If demonstrating compliance with the formaldeh yde percent reduction requirement,
measure formalde

hyd e at the inlet and the outlet of the control device (1) Method

320 or 323 of 40 CFR part 63, appendix A; or ASTM D6348

- 03 c , provided in ASTM D6348

- 03 Annex A5 (Anal yt e Spiking Technique), the percent R must be greater than or equal to 70 and less than or equal to 130. (a) formaldeh yde

concentra

- tion must be at 15 percent O 2 , dry basis. Results of this test consist of the average of the three 1

- hour or longer runs.65 v. If demonstrating compliance with the THC percent reduction requirement, measure THC at the inlet and the outlet of the control device (1) Method

25A of 40 CFR part 60, appendix A (a) THC

concentra

- tion must be at 15 percent O 2 , dry basis. Results of th is test consist of the average of the three 1

- hour or longer runs.

3. Stationary RI CE a. limit the

concentra

- tion of formalde

- hyde or CO in the stationary RICE exhaust i. Select the

sampling port location and the number of traverse points; and (1) Method

1 or 1A of 40 CFR part 60, appendix A §63.7(d)(1)( i) (a) if using a

control device, the sampling site must be located at the outlet of the control device.

ii. Determine the O 2 concentration of the stationary RI CE exhaust at the samp ling port location; and (1) Method

3 or 3A or 3B of 40 CFR part 60, appendix A, or ASTM Method D6522

- 00(2005). (a) measurements

to determine O 2 concentra

- tion must be made at the same time and location as the measurements for formaldeh yde or CO concentra

t ion. iii. Measure (1) Method (a) measurements66 moisture content of the station

- ary RI CE exhaust at the sampling port location; and 4 of 40 CFR

part 60, appendix A, or Test Method 320 of 40 CFR part 63, appendix A, or ASTM D 6348

- 03 to determine

moisture content must be made at the same time and location as the measurements for formaldeh yde or CO concentration.

iv. Measure formalde

hyde at the exhaust of the station

- ary RI CE; or (1) Method

320 or 323 of 40 CFR part 63, appen dix A; or ASTM D6348

- 03 c , provided in ASTM D6348

- 03 Annex A5 (Anal yt e Spiking Technique), the percent R must be greater than or equal to 70 and less than or equal to (a) Formaldeh yd e

concentration must be at 15 percent O 2 , dry basis. Results of this test consist of the average of the three 1

- hour or longer runs.67 130.

v. measure CO at the exhaust of the station

- ary RI CE. (1) Method

10 of 40 CFR part 60, appendix A, ASTM Method D6522

- 00 (2005) a , Method 320 of 40 CFR part 63, appendix A, or ASTM D6348

- 03. (a) CO

concentration must be at 15 percent O 2 , dry basis. Results of this test consist of the average of the three 1

- hour or longer runs.

aYou may obtai n a copy

of ASTM

- D6522

- 00 (2005) from at least one of the following addresses: American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428

- 2959, or Universit y Microfilms International, 300 North Zeeb Road, Ann Arbor, MI 4 8106. ASTM

- D6522

- 00 (2005) may be used to test both CIand SI stationary RI CE.

b You may

also use Method 320 of 40 CFR part 63, appendix A, or ASTM D6348

- 03.

c You may obtain a copy

of ASTM

- D6348

- 03 from at least one of the following addresses: American So ciet y for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428

- 2959, or University Microfilms International, 300 North Zeeb Road, Ann Arbor, MI 48106. **Table 5 to Subpart ZZZZ of Part 63. Initial Compliance with Emission Limitations and**  **Operating Limitations**68

As stated in §§63.6612, 63.6625 and 63.6630, y ou must initially compl y with the emission and operating limitations as required b y the following:

**For each . . . Complying with the**  **requirement to . . . You have demonstrated**  **initial compliance if . . .**
1. New or reconstructed
non - emergency

2SLB stationary RICE >500 HP located at a major source of HAP, new or reconstructed non

emergency

4SLB stationary RICE ≥250 HP located at a major source of HAP, non

- emergency stationary CI RICE >500 HP located at a major source of HAP, and existing non

- emergency stationary CI RICE >500 HP located at an area source of HAP

. a. Reduce CO emissions and using oxidation catal ys t, and using a CPMS i. The average reduction of emissions of CO determined from the initial performance test achieves the required CO percent reduction; and

ii. You have installed a CPMS to continuously monitor cataly st inlet temperature according to the requirements in §63.6625(b); and

iii. You have recorded the catal ys t pressure drop and catal ys t inlet temperature during the initial performance test.69

2. Non

- emergency stationary CI RICE >500 HP located at a major source of HAP, and existing non

- emergency stationary CI RICE >500 HP located at an area source of HAP

. a. L imit the concentration of CO, using oxidation catal ys t, and using a CPMS i. The average CO concentration determined from the initial performance test is less than or equal to the CO emission limitation; and

ii. You have installed a CPMS to continuously monitor cataly st inlet temperature according to the requirements in §63.6625(b); and

iii. You have recorded the catal ys t pressure drop and catal ys t inlet temperature during the initial performance test.
3. New or reconstructed
non - emergency

2SLB stationary RICE >500 HP located at a major source of HAP, new or reconstructed non

emergency

4SLB stationary RICE ≥250 HP located at a major source a. Reduce CO emissions and not using oxidation catal ys t i. The average reduction of emissions of CO determined from the initial performance test achieves the required CO percent reduction; and

ii. You have installed a CPMS to conti nuously70

of HAP, non

- emergency stationary CI R ICE >500 HP located at a major source of HAP, and existing non

- emergency stationary CI RICE >500 HP located at an area source of HAP

. monitor operating parameters approved b y the Administrator (if an y) according to the requirements in §63.6625(b); and

iii. You have recorded the approved operating parameters (if an y) during the initial performance test. 4. Non

- emergency stationary CI RICE >500 HP located at a major source of HAP, and existing non

- emergency stationary CI RICE >500 HP located at an area source of HAP

. a. L imit the concentration of CO, and not using oxidation cataly st i. The average CO concentration determined from the initial performance test is less than or equal to the CO emission limitation;
an d

ii. You have installed a CPMS to continuously monitor operating parameters approved b y the Administrator (if an y) according to the requirements in §63.6625(b); and

iii. You have recorded the71 approved operating parameters (if an y) during the initial pe rformance test.72

5. New or reconstructed
non - emergency

2SLB stationary RICE >500 HP located at a major source of HAP, new or reconstructed non

emergency

4SLB stationary RICE ≥250 HP located at a major source of HAP, non

- emergency stationary CI RICE >500 HP located at a major source of HAP, and existing non

- emergency stationary CI RICE >500 HP located at an area source of HAP

. a. Reduce CO emissions, and using a CEMS i. You have installed a CEMS to continuously monitor CO and either O 2 or CO 2 at both the inlet and outlet of the oxidation catal ys t according to the requirements in §63.6625(a); and

ii. You have conducted a performance evaluation of yo ur CEMS using PS 3 and 4A of 40 CFR part 60, appendix B; and

iii. The average reduction of CO calculated using §63.6620 equals or exceeds the required percent reduction. The initial test comprises the first 4

- hour period after successful validation of the CEMS. Compliance is based on the average percent reduction achieved during the 4

- hour period.73

6. Non

- emergency stationary CI RICE >500 HP located at a major source of HAP, and existing non

- emergency stationary CI RI CE >500 HP located at an area source of HAP

. a. L imit the concentration of CO, and using a CEMS i. You have installed a CEMS to continuously monitor CO and either O 2 or CO 2 at the outlet of the oxidation cataly st according to the requirements in §63.6625(a); and

ii. You have conducted a performance evaluation of yo ur CEMS using PS 3 and 4A of 40 CFR part 60,
a ppendix B; and

iii. The average concentration of CO calculated using §63.6620 is less than or equal to the CO emission limitation. The initial test comprises the first 4

- hour period after successful validation of the CEMS. Compliance is based on the ave rage concentration measured during the 4

- hour period.
7. Non

- emergency

4SRB stationary RICE >500 HP a. Reduce formaldeh yd e

emissions and using NSCR i. The average reduction of emissions of formaldeh yde74

located at a major source of HAP

. determined from the initial performance test is equal to or greater than the required formaldeh yde percent reduction or the average reduction of emissions of THC determined from the initial performance test is equal to or greater than 30 percent ; and

ii. You have installed a CPMS to continuously monitor cataly st inlet temperature according to the requirements in §63.66 25(b); and

iii. You have recorded the catal ys t pressure drop and catal ys t inlet temperature during the initial performance test. 8. Non

- emergency

4SRB stationary RICE >500 HP located at a major source of HAP

. a. Reduce formaldeh yd e emissions and not using NSCR i. The average reduction of emissions of formaldeh yde determined from the initial performance test is e qual to or greater than the required formaldeh yde percent75 reduction; and

ii. You have installed a CPMS to continuously monitor operating parameters approved b y the Administrator (if an y) according to the requirements in §63.6625(b); and

iii. You have recorded the approved operating parameters (if an y) during the initial performance test. 9. New or reconstructed
non - emergency

stationary RI CE >500 HP located at a major source of HAP, new or reconstructed non

emergency

4SLB stationary RI CE 250 ≤HP≤500 located at a major source of HAP, and existing non

emergency

4SRB stationary RICE >500 HP locat ed at a major source of HAP. a. L imit the concentration of formaldeh yde in the stationary RICE exhaust and using oxidation cataly st or NSCR i. The average formaldehyde concentration, corrected to 15 percent O 2 , dry

basis, from the three test runs is less than or equal to the formaldeh yde emission limitation; and

ii. You have installed a CPMS to continuously monitor cataly st inlet temperature according to the requirements in76 §63.6625(b); and

iii. You have recorded the catal ys t pressure drop and catal ys t i nlet temperature during the initial performance test. 10. New or reconstructed
non - emergency

stationary RI CE >500 HP located at a major source of HAP, new or reconstructed non

emergency

4SLB stationary RI CE 250 ≤HP≤500 located at a major source of HAP, and existing non

emergency

4SRB stationary RICE >500 HP located at a major source of HAP. a. L imit the concentration of formaldeh yde in the stationary RICE exhaust and not using oxidation catalyst or NSCR i. The average formaldehyde concentration, corrected to 15 percent O 2 , dry

basis, from the three test runs is less than or equal to the formaldeh yde emission limitation; and

ii. You have installed a CPMS to continuously monitor operating parameters approved b y the Administrator (if an y) according to the requirements in §63.6625(b); and

iii. You have recorded the approved operating parameters (if an y) during the initial performance test.77

11. Existing non

emergency

stationary

RICE 100 ≤HP≤500 located at a major source of HAP, and existing non

- emergency stationary CI RICE 300<HP ≤500 located at an area source of HAP. a. Reduce CO emissions. i. The average reduction of emissions o f CO or formaldeh yde, as applicable determined from the initial performance test is equal to or greater than the required CO or formaldeh yd e, as applicable, percent reduction.
12. Existing non

emergency

stationary

RICE 100 ≤HP≤500 located at a major source of HAP, and existing non

- emergency stationary CI RICE 300<HP ≤500 located at an area source of HAP. a. L imit the concentration of formaldeh yde or CO in the stationary RICE exhaust. i. The average formaldehyde

or CO concentration, as applicable, correct ed to 15 percent O 2 , dry

basis, from the three test runs is less than or equal to the formaldeh yde or CO emission limitation, as applicable. 13. Existing non

emergency

4SLB stationary RI CE >500 HP located at an area source of HAP that are not remote stati onary RI CE and that are operated more than 24 hours per calendar year a. Install an oxidation catal ys t i. You have conducted an initial compliance demonstration as specified in §63.6630(e) to show that the average reduction of emissions of CO is 93 percent or more, or the average CO concentration is less than or equal to 47 ppmvd at 15 percent O 2 ii. You have installed a78 CPMS to continuously monitor cataly st inlet temperature according to the requirements in §63.6625(b), or you have installed equipment to automatically

shut down the engine if the catal ys t inlet temperature exceeds 1350°F

14. Existing non

emergency

4SRB stationary RICE >500 HP located at an area source of HAP that are not remote stationary R ICE and that are operated more than 24 hours per calendar year a. Install NSCR i. You have conducted an initial compliance demonstration as specified in §63.6630(e) to show that the average reduction of emissions of CO is 75 percent or more, or the average reduction of emissions of THC is 30 percent or more ii. You have installed a CPMS to continuously monitor cataly st inlet temperature according to the requirements in §63.6625(b) , or you have installed equipment to automatically

shut down the engine if the catal ys t inlet79 temperature exceeds 1250°F

**Table 6 to Subpart ZZZZ of Part 63. Continuous Compliance with Emission Limitations, Operating Limitations, Work Practices, and Manag**  **ement Practices** As stated in §63.6640, y ou must continuously comply with the emissions and operating limitations and work or management practices as required b y the following:

**For each . . . Complying with the**  **requirement to . . . You must demonstrate**  **continuous compliance by**

**. . .** 1. New or reconstructed
non - emergency

2SLB stationary RICE >500 HP located at a major source of HAP, new or reconstructed
non - emergency

4SLB stationary RICE ≥250 HP located at a major source of HAP, and new or reconstructed non

emergency

CI stationary RI CE >500 HP located at a major source of HAP. a. Reduce CO emissions and using an oxidation catal yst, and using a CPMS i. Conducting semiannual performance tests for CO to demonstrate that the required CO percent reduction is achieved a ; and

ii. Collecting the catal ys t inlet temperature data according to §63.6625(b); and

iii. Reducing these data to 4

- hour rolling averages; and

iv. Maintaining the 4

- hour80 rolling averages within the operating limitations for the catal ys t inlet temperature; and

v. Measuring the pressure drop across the catal ys t once per month and demonstrating that the pressure drop across the catal ys t is within the operating limitation
es tablished during the performance test. 2. New or reconstructed
non - emergency

2SLB stationary RICE >500 HP located at a major source of HAP, new or reconstructed
non - emergency

4SLB stationary RICE ≥250 HP located at a major source of HAP, and new or
recons tructed non

emergency

CI stationary RI CE >500 HP located at a major source of HAP. a. Reduce CO emissions and not using an oxidation catal ys t, and using a CPMS i. Conducting semiannual performance tests for CO to demonstrate that the required CO percent
re duction is achieved a ; and

ii. Collecting the approved operating parameter (if any) data according to §63.6625(b); and

iii. Reducing these data to 4

- hour rolling averages; and81 iv. Maintaining the 4

- hour rolling averages within the operating limitations f

or the operating parameters established during the performance test. 3. New or reconstructed
non - emergency

2SLB stationary RICE > 500 HP located at a major source of HAP, new or reconstructed
non - emergency

4SLB stationary RICE ≥250 HP located at a major source of HAP, new or reconstructed
non - emergency

stationary CIRICE >500 HP located at a major source of HAP, and existing non

emer gency

stationary

CI RI CE >500 HP

. a. Reduce CO emissions or limit the concentration of CO in the stationary

RICE
e xhaust, and using a CEMS i. Collecting the monitoring data according to §63.6625(a), reducing the measurements to 1

- hour averages, calculating the percent reduction or concentration of CO emissions according to §63.6620; and

ii. Demonstrating that the
catal ys t achieves the required percent reduction of CO emissions over the 4

- hour averaging period, or that the emission remain at or below the CO concentration limit; and

iii. Conducting an annual RATA of your CEMS using82 PS 3 and 4A of 40 CFR part 60, appen dix B, as well as daily and periodic data quality checks in accordance with 40 CFR part 60, appendix F, procedure 1. 4. Non

- emergency

4SRB stationary RICE >500 HP located at a major source of HAP. a. Reduce formaldeh yd e emissions and using NSCR i. Collect ing the cataly st inlet temperature data according to §63.6625(b); and

ii. reducing these data to 4

- hour rolling averages; and

iii. Maintaining the 4

- hour rolling averages within the operating limitations for the catal ys t inlet temperature; and

iv. Measuring the pressure drop across the catal ys t once per month and demonstrating that the pressure drop across the catal ys t is within the operating limitation83 established during the performance test. 5. Non

- emergency

4SRB stationary RICE >500 HP locat ed at a major source of HAP. a. Reduce formaldeh yd e emissions and not using NSCR i. Collecting the approved operating parameter (if any) data according to §63.6625(b); and

ii. Reducing these data to 4

- hour rolling averages; and

iii. Maintaining the 4

- ho ur rolling averages within the operating limitations for the operating parameters established during the performance test. 6. Non

- emergency

4SRB stationary RICE with a brake HP ≥5,000 located at a major source of HAP. a. Reduce formaldeh yd e emissions Cond ucting semiannual performance tests for formaldeh yde to demonstrate that the required formaldeh yd e percent reduction is achieved, or to demonstrate that the average reduction of emissions of THC determined from the performance test is equal to or greater than 30 percent. a84

7. New or reconstructed
non - emergency

stationary RI CE >500 HP located at a major source of HAP and
new or reconstructed non

emergency

4SLB stationary RI CE 250 ≤HP≤500 located at a major source of HAP. a. L imit the concentration of formaldeh yde in the stationary RICE exhaust and using oxidation cataly st or NSCR i . Conducting semiannual performance tests for formaldeh yde to demonstrate that your emissions remain at or below the formaldeh yde concentration limit a ; and

ii. Collecting the catal ys t inlet temperature data according to §63.6625(b); and

iii. Reducing the se data to 4

- hour rolling averages; and

iv. Maintaining the 4

- hour rolling averages within the operating limitations for the catal ys t inlet temperature; and

v. Measuring the pressure drop across the catal ys t once per month and demonstrating that the pre ssure drop across the85 catal ys t is within the operating limitation established during the performance test. 8. New or reconstructed
non - emergency

stationary RI CE >500 HP located at a major source of HAP and new or reconstructed non

emergency

4SLB stationary RI CE 250 ≤HP≤500 located at a major source of HAP. a. L imit the concentration of formaldeh yde in the stationary RICE exhaust and not using oxidation catalyst or NSCR i . Conducting semiannual performance tests for formaldeh yde to demonstrate that your emissions remain at or below the formaldeh yde concentration limit a ; and

ii. Collecting the approved operating parameter (if any) data according to §63.6625(b); and

iii. R educing these data to 4

- hour rolling averages; and

iv. Maintaining the 4

- hour rolling averages within the operating limitations for the operating parameters established during the performance test. 9. Existing emergency

and black start stationary

RICE a. Work or Management i . Operating and maintaining the stationary

RI CE86

≤5 00 HP located at a major source of HAP, existing
non - emergency

stationary RI CE <100 HP located at a major source of HAP, existing emergency

and black start stationary

RICE located at an area source of HAP, existing non

emergency

stationary

CI RI CE ≤300 HP located at an area source of HAP, existing non

- emergency 2SLB stationary

RI CE located at an area source of HAP, existing non

emergency stationary

SI RI CE located at an area source of HAP which combusts landfill or digester gas equi valent to 10 percent or more of the gross heat input on an annual basis , existing non

emergency

4SLB and 4SRB stationary

RICE ≤500 HP located at an area source of HAP, existing
non - emergency

4SLB and 4SRB stationary

RICE >500 HP located at an area practices. according to the manufacturer’s emission

related operation and maintenance instructions;

or ii. Develop and follow your own maintenance plan which must provide to the extent practicable for the maintenance and operation of the engine in a manner consistent with good air pollution control practice for minimizing emissions

.87

source o f HAP that operate 24 hours or less per calendar year , and existing
non - emergency

4SLB and 4SRB stationary

RICE >500 HP located at an area source of HAP that are remote stationary

RICE. 10. Existing stationary

CI RI CE >500 HP that are not limited use stationary R IC E

. a. Reduce CO emissions, or limit the concentration of CO in the stationary

RICE exhaust, and using oxidation catal ys t i. Conducting performance tests every

8,760 hours or 3 ye ars, whichever comes first, for CO or formaldeh yde, as appropriate, to demonstrate that the required CO or formaldeh yde, as appropriate, percent reduction is achieved or that yo ur emissions remain at or below the CO or formaldeh yde concentration limit; and ii. Collecting the catal ys t inlet temperature data according to §63.6625(b); and iii. Reducing these data to 4

- hour rolling averages; and88 iv. Maintaining the 4

- hour rolling averages within the operating limitations for the catal ys t inlet temperature; and v. Measuring the pressure drop across the catal ys t once per month and demonstrating that the pressure drop across the catal ys t is within the operating limitation established during the performance test. 11. Existing stationary

CI RI CE >500 HP that are not limited use stationary RI CE

. a. Reduce CO emissions, or limit the concentration of CO in the stationary

RICE exhaust, and not using oxidation cataly st i. Conducting performance tests every

8,760 hours or 3 ye ars, whichever comes first, for CO or formaldeh yde, as appropriate, to demonstrate that the required CO or formaldeh yde, as appropriate, percent reduction is achieved or that yo ur emissions remain at or below the CO or formaldeh yde concentration limit; and89 ii. Collecting the approved operating parameter (if any) data according to §63.6625(b); and iii. Reducing these data to 4

- hour rolling averages; and iv. Maintaining the 4

- hour rolling averages wi thin the operating limitations for the operating parameters established during the performance test. 12. Existing limited use CI stationary RICE >500 HP

. a. Reduce CO emissions or

limit the concentration of CO in the stationary

RICE exhaust, and using an oxidation cataly st i. Conducting performance tests every

8,760 hours or 5 ye ars, whichever comes first, for CO or formaldeh yde, as appropriate, to demonstrate that the required CO or formaldeh yde, as appropriate, percent reduction is achieved or that y our emissions remain at or below the CO or formaldeh yde concentration lim it; and ii. Collecting the catal ys t inlet temperature data90 according to §63.6625(b); and iii. Reducing these data to 4

- hour rolling averages; and iv. Maintaining the 4

- hour rolling averages within the operating limitations for the catal ys t inlet temperature; and v. Measuring the pressure drop across the catal ys t once per month and demonstrating that the pressure drop across the catal ys t is within the operating limitation established during the performance test. 13. Existing limited use CI stationary RICE >500 HP

. a. Reduce CO emissions or

limit the concentration of CO in the stationary

RICE exhaust, and not using an oxidation cataly st i. Conducting performance tests every

8,760 hours or 5 ye ars, whichever comes firs t, for CO or formaldeh yde, as appropriate, to demonstrate that the required CO or formaldeh yde, as appropriate, percent reduction is achieved or91 that y our emissions remain at or below the CO or formaldeh yde concentration limit; and ii. Collecting the appr oved operating parameter (if any) data according to §63.6625(b); and iii. Reducing these data to 4

- hour rolling averages; and iv. Maintaining the 4

- hour rolling averages within the operating limitations for the operating parameters established during the p erformance test. 14. Existing non

emergency

4SLB stationary RI CE >500 HP located at an area source of HAP that are not remote stationary RI CE and that are operated more than 24 hours per calendar year a. Install an oxidation catal ys t i . Conducting annual compliance demonstrations as specified in §63.6640(c) to show that the average reduction of emissions of CO is 93 percent or more, or the average CO concentration is less than or equal to 47 ppmvd at 15 percent O 2 ; and either
ii. Collec ting the catal ys t inlet temperature data92 according to §63.6625(b), reducing these data to 4

- hour rolling averages; and maintaining the 4

- hour rolling averages within the operating limitations for the catal ys t inlet temperature; or
iii. Immediatel y shutting down the engine if the catal ys t inlet temperature exceeds 1350°F. 15. Existing non

emergency

4SRB stationary RICE >500 HP located at an area source of HAP that are not remote stationary RICE and that are operated more than 24 hours per calendar year a. Install NSCR i. Conducting annual compliance demonstrations as specified in §63.6640(c) to show that the average reduction of emissions of CO is 75 percent or more, or the average reduction of emissions of THC is 30 percent or more; and either
ii. Collectin g the catal ys t inlet temperature data according to §63.6625(b), reducing these data to 4

- hour rolling averages; and maintaining the 4

- hour rolling averages within the operating limitations for the catal ys t inlet temperature; or93 iii. Immediatel y shutting do wn the engine if the catal ys t inlet temperature exceeds 1250° F.

aAfter you have demonstrated compliance for two consecutive tests, you may reduce the frequency of subsequent performance tests to annually . If the results of any subsequent annual performan ce test indicate the stationary RI CE is not in compliance with the CO or formaldehy de emission limitation, or you deviate from an y of your operating limitations, you must resume semiannual performance tests. **Table 7 to Subpart ZZZZ of Part 63 .**  **Requirements for Reports** As stated in §63.6650, y ou must comply with the following requirements for reports:

**For each . . . You must submit a** 

**. . . The report must** 

**contain . . . You must submit the**  **report . . .** 1. Existing non

emergency , non black start stationary RICE 100 ≤HP≤500 located at a major source of HAP; existing non

emergency , non black start stationary CI RICE >500 HP located at a major source of HAP; existing non

Compliance report a. If there are no deviations from an y
em ission limitations or operating limitations that apply to y ou, a statement that there were no deviations from the emission limitations or operating limitations during the reporting period. If there were no periods during which the CMS, including CEMS and C PMS, was out

- of

i. Semiannually
accor ding to the requirements in §63.6650(b)(1)

- (5) for engines that are not limited use stationary RI CE subject to numerical emission limitations; and ii. Annually

according to the requirements in §63.6650(b)(6)

- (9) for engines that are limited use stationary RI CE94

emergency

4SRB stationary RICE >500 HP located at a major source of HAP; existing non emergency , non black start stationary CI RICE >300 HP located at an area source of HAP; n ew or reconstructed non

emergency stationary RICE >500 HP located at a major source of HAP; and new or reconstructed non

emergency

4SLB stationary RICE 250 ≤HP≤500 located at a major source of HAP control, as specified in §63.8(c)(7), a statement that there were not periods during which the CMS was out

- of

- control during the reporting period; or subject to numerical emission limitations.

b. If you had a deviation from an y emission limitation or operating limitation during the reporting period, the information in §63.6650(d). If there were periods during which the CMS, including CEMS and CPMS, was out

- of

control, as specified in §63.8(c)(7), the information in §63.6650(e); or i. Semiannually according to the requirements in §63.6650(b).

c. If you had a malfunction during the reporting period, the information in §63.6650(c)(4). i. Semiannually according to the requirements in §63.6650(b).

2. New or reconstructed non

emergency Report a. The fuel flow rate of each fuel and the heating values that were used in i. Annually , according to the requirements in §63.6650.95

stationary RICE that combusts lan dfill gas or digester gas equivalent to 10 percent or more of the gross heat input on an annual basis yo ur calculations, and yo u must demonstrate that the percentage of heat input provided by landfill gas or digester gas, is equivalent to 10 percent or more of the gross heat input on an annual basis; and b. The operating limits provided in y our federally enforceable permit, and an y deviations from these limits; and i. See item 2.a.i.

c. An y problems or errors suspected with the meters. i. See item 2.a.i.

3. Existing non

emergency , non black start 4SLB and 4SRB stationary RICE >500 HP located at an area source of HAP that are not remote stationary RI CE and that operate more than 24 hours per Compliance report a. The results of the annual compl iance demonstration, if conducted during the reporting period. i. Semiannually according to the requirements in §63.6650(b)(1)

- (5)96

calendar year

**Table 8 to Subpart ZZZZ of Part 63**

**— Applicability of General Provisions to Subpart**  **ZZZZ.** As stated in §63.6665, y ou must comply with the following applicable general provisions.

**General provisions**  **citation Subject of citation**  **Applies to subpart**  **Explanation**
§63.1 General applicability of the General Provisions Yes.

§63.2 Definitions Yes Additional terms defined in §63.6675.
§63.3 Units and abbreviations Yes.
§63.4 Prohibited activities and

circumvention Yes.

§63.5 Construction and

reconstruction Yes.

§63.6(a) Applicability Yes. §63.6(b)(1)

– (4) Compliance dates for new and

reconstructed sources Yes.

§63.6(b)(5) Notification Yes.97

§63.6(b)(6) [Reserved]
§63.6(b)(7) Compliance dates for new and

reconstructed area sources that become major sources Yes.

§63.6(c)(1)

– (2) Compliance dates for existing

sources Yes.

§63.6(c)(3)

– (4) [Reserved]
§63.6(c)(5) Compliance dates for existing

area sources that become major sources Yes.

§63.6(d) [Reserved]
§63.6(e) Operation and maintenance No. §63.6(f)(1) Applicability of standards No. §63.6(f)(2) Methods for determining

compliance Yes.

§63.6(f)(3) Finding of compliance Yes. §63.6(g)(1)

– (3) Use of alternate standard Yes.
§63.6(h) Opacit y and visible emission

standards No Subpart ZZZZ does not contain opacit y or visible emission standards.98

§63.6(i) Compliance extension

procedures and criteria Yes.

§63.6(j) Presidential compliance

exemption Yes.

§63.7(a)(1)

– (2) Performance test dates Yes Subpart ZZZZ contains performance test dates at §§63.6610, 63.6611, and 63.6612.
§63.7(a)(3) CAA section 114 authority Yes. §63.7(b)(1) Notification of performance

test Yes Except that §63.7(b)(1) only applies as specified in §63.6645.
§63.7(b)(2) Notification of rescheduling Yes Except that §63.7(b)(2) only applies as specified in §63.6645.
§63.7(c) Quality assurance/test plan Yes Except that §63.7(c) only applies as specified in §63.6645.
§63.7(d) Testing facilities Yes. §63.7(e)(1) Conditions for conducting

performance tests No. Subpart ZZZZ specifies conditions for conducting performance tests at §63.6620.99

§63.7(e)(2) Conduct of performance tests

and reduction of data Yes Subpart ZZZZ specifies test methods at §63.6620.
§63.7(e)(3) Test run duration Yes. §63.7(e)(4) Administrator may require other testing under section 114 of the CAA Yes.

§63.7(f) Alternative test method

provisions Yes.

§63.7(g) Performance test data analy sis,

recordkeeping, and reporting Yes.

§63.7(h) Waiver of tests Yes.
§63.8(a)(1) Applicability of monitoring requirements Yes Subpart ZZZZ contains specific requirements for monitoring at §63.6625.
§63.8(a)(2) Performance specifications Yes. §63.8(a)(3) [Reserved]
§63.8(a)(4) Monitoring for control devices No. §63.8(b)(1) Monitoring Yes. §63.8(b)(2)

– (3) Multiple effluents and multiple

monitoring sy stems Yes.100

§63.8(c)(1) Monitoring s ys tem operation

and maintenance Yes.

§63.8(c)(1)(i) Routine and predictable SSM Yes. §63.8(c)(1)(ii) SSM not in Startup Shutdown

Malfunction Plan Yes.

§63.8(c)(1)(iii) Compliance with operation

and maintenance requirements Yes.

§63.8(c)(2)

– (3) Monitoring sy stem installation Yes. §63.8(c)(4) Continuous monitoring sy stem

(CMS) requirements Yes Except that subpart ZZZZ does not require Continuous Opacit y Monitoring S ys tem (COMS).
§63.8(c)(5) COMS minimum procedures No Subpart ZZZZ does not require COMS.
§63.8(c)(6)

– (8) CMS requirements Yes Except that subpart ZZZZ does not require COMS.
§63.8(d) CMS quality control Yes. §63.8(e) CMS performance evaluation Yes Except for §63.8(e)(5)(ii), which applies to COMS.
Except that §63.8(e) onl y applies as101 specified in §63.6645.
§63.8(f)(1)

– (5) Alternative monitoring method Yes Except that §63.8(f)(4) only applies as specified in §63.6645.
§63.8(f)(6) Alternative to relative

accuracy test Yes Except that §63.8(f)(6) only applies as specified in §63.6645.
§63.8(g) Data reduction Yes Except that provisions for COMS are not applicable. Averaging periods for demonstrating compliance are specified at §§63.6635 and 63.6640.
§63.9(a) Applicability and State delegation of notification requirements Yes.

§63.9(b)(1)

– (5) Initial notifications Yes Except that §63.9(b)(3) is reserved.
Except that §63.9(b) only applies as specified in §63.6645.102

§63.9(c) Request for compliance

extension Yes Except that §63.9(c) only applies as specified in §63.6645.
§63.9(d) Notification of special

compliance requirements for
new sources Yes Except that §63.9(d) only applies as specified in §63.6645.
§63.9(e) Notification of performance

test Yes Except that §63.9(e) only applies as specified in §63.6645.
§63.9(f) Notification of visible

emission (VE)/opacit y test No Subpart ZZZZ does not contain opacit y or VE standards.
§63.9(g)(1) Notification of performance

evaluation Yes Except that §63.9(g) onl y applies as specified in §63.6645.
§63.9(g)(2) Notification of use of COMS

data No Subpart ZZZZ does not contain opacit y or VE standards.
§63.9(g)(3) Notification that criterion for

alternative to RATA is exceeded Yes If alternative is in use.

Except that §63.9(g) only applies as103 specified in §63.6645.
§63.9(h)(1)

– (6) Notification of compliance

status Yes Except that notifications for sources using a CEMS are due 30 day s after completion of performance evaluations. §63.9(h)(4) is reserved.
Except that §63.9(h) only applies as specified in §63.6645.
§63.9(i) Adjustment of submittal

deadlines Yes.

§63.9(j) Change in previous

information Yes.

§63.10(a) Administrative provisions for

recordkeeping/reporting Yes.

§63.10(b)(1) Record retention Yes. §63.10(b)(2)(i)

– (v) Records related to SSM No.

§63.10(b)(2)(vi)

– (xi) Records Yes.

§63.10(b)(2)(xii) Record when under waiver Yes.104

§63.10(b)(2)(xiii) Records when using

alternative to RATA Yes For CO standard if using RATA alternative.
§63.10(b)(2)(xiv) Records of supporting

documentation Yes.

§63.10(b)(3) Records of applicability

determination Yes.

§63.10(c) Additional records for sources

using CEMS Yes Except that §63.10(c)(2)

– (4) and (9) are reserved.
§63.10(d)(1) General reporting

requirements Yes.

§63.10(d)(2) Report of performance test

results Yes.

§63.10(d)(3) Reporting opacity or VE observations No Subpart ZZZZ does not contain opacit y or VE standards.
§63.10(d)(4) Progress reports Yes.
§63.10(d)(5) Startup, shutdown, and

malfunction reports No.

§63.10(e)(1) and (2)(i) Additional CMS Reports Yes.

§63.10(e)(2)(ii) COMS

- related report No Subpart ZZZZ does not105 require COMS.

§63.10(e)(3) Excess emission and parameter

exceedances reports Yes. Except that §63.10(e)(3)(i) (C) is reserved.
§63.10(e)(4) Reporting COMS data No Subpart ZZZZ does not require COMS.
§63.10(f) Waiver for

recordkeeping/reporting Yes.

§63.11 Flares No.
§63.12 State authority and delegations Yes.
§63.13 Addresses Yes.
§63.14 In corporation by reference Yes.
§63.15 Availability of information Yes.

**Appendix A**

**Protocol for Using an Electrochemical Analyzer to Determine Oxygen and Carbon**

**Monoxide Concentrations from Certain Engines**

**1.0 Scope and Application. What is**  **this Protocol?** This protocol is a procedure for using portable electrochemical (EC) cells for measuring carbon monoxide (CO) and oxygen (O 2 ) concentrations in controlled and uncontrolled emissions from106

existing stationary

4

- stroke lean burn and 4

- stroke rich burn reciprocating internal combustion engines as specified in the applicable rule. 1.1 Analytes. What does this protocol determine? This protocol measures the engine exhaust gas concentrations of carbon monoxide (CO) and oxygen ( O 2 ).

**Analyte CAS No.**  **Sensitivity** Carbon monoxide (CO) 630

- 08

- 0 Minimum detectable limit should be 2 percent of the nominal range or 1 ppm, whichever is less restrictive. Ox ygen (O 2 ) 7782

- 44

- 7

1.2 Applicability. W

hen is this protocol acceptable? This protocol is applicable to 40 CFR part 63, subpart ZZZZ. Because of inherent cross sensitivities of EC cells, y ou must not apply this protocol to other emissions sources without specific instruction to that effect. 1.3 Data Quality Objectives. How good must my collected data be? Refer to Section 13 to verify and document acceptable anal yz er performance. 1.4 Range. What is the targeted analytical range for this protocol?
The measurement s ys tem and EC cell design(s) conforming to this protocol will deter mine the anal yt ical range for each gas component. The nominal ranges are defined by choosing up

- scale calibration gas concentrations near the maximum anticipated flue gas concentrations for CO and O 2 , or no more than twice the permitted CO level.
1.5 Sensi tivity. W

hat minimum detectable limit will this protocol yield for a particular gas component?107

The minimum detectable limit depends on the nominal range and resolution of the specific EC cell used, and the signal to noise ratio of the measurement s ys tem. T he minimum detectable limit should be 2 percent of the nominal range or 1 ppm, whichever is less restrictive. **2.0 Summary of Protocol** In this protocol, a gas sample is extracted from an engine exhaust sy stem and then convey ed to a portable EC anal yz er for measurement of CO and O 2 gas concentrations. This method provides measurement s ys tem performance specifications and sampling protocols to ensure reliable data. You may use additions to, or modifications of vendor supplied measurement sy stems (e.g., heated or unheated sample lines, thermocouples, flow meters, selective gas scrubbers, etc.) to meet the design specifications of this protocol. Do not make changes to the measurement s ys tem from the as

- verified configuration (Section 3.12). **3.0 Definitions**
3.1 M easurement System

. The total equipment required for the measurement of CO and O 2 concentrations. The measurement s ys tem consists of the following major subsy stems: 3.1.1 Data Recorder

. A strip chart recorder, computer or digital recorder for logging measurement data from the anal yz er output. You may record measurement data from the digital data display

manuall y or electronically. 3.1.2 Electrochemical (EC) Cell

. A device, similar to a fuel cell, used to sense the presence of a specific anal yt e and generate an electrical current output proportional to the anal yt e concentration. 3.1.3 Interference Gas Scrubber

. A device used to remove or neutralize chemical compounds that may interfere with the selective operation of an EC cell.
3.1.4 Moisture Re moval System

. An y device used to reduce the concentration of moisture in the sample stream so as to protect the EC cells from the damaging effects of condensation and to minimize errors in measurements caused b y the scrubbing of soluble gases. 3.1.5 Sample Interface

. The portion of the s ys tem used for one or more of the following: sample acquisition; sample transport; sample conditioning or protection of the EC cell from an y108

degrading effects of the engine exhaust effluent; removal of particulate matter and condensed moisture. 3.2 Nominal Range

. The range of anal yt e concentrations over which each EC cell is operated (normally 25 percent to 150 percent of up

- scale calibration gas value). Several nominal ranges can be used for an y given cell so long as the cal ibration and repeatability checks for that range remain within specifications.
3.3 Calibration Gas

. A vendor certified concentration of a specific anal yt e in an appropriate balance gas.
3.4 Zero Calibration Error

. The anal yt e concentration output exhibited by the EC cell in response to zero

- level calibration gas. 3.5 Up

- Scale Calibration Error

. The mean of the difference between the analy te concentration exhibited by

the EC cell and the certified concentration of the up

- scale calibration gas. 3.6 Interferen ce Check

. A procedure for quantifying analy tical interference from components in the engine exhaust gas other than the targeted analytes. 3.7 Repeatability Check

. A protocol for demonstrating that an EC cell operated over a given nominal analy

te concentration range provides a stable and consistent response and is not significantl y affected b y repeated exposure to that gas. 3.8 Sample Flow Rate

. The flow rate of the gas sample as it passes through the EC cell. In some situations, EC cells can expe rience drift with changes in flow rate. The flow rate must be monitored and documented during all phases of a sampling run. 3.9 Sampling Run

. A timed three

- phase event whereb y an EC cell’s response rises and plateaus in a sample conditioning phase, remains relativel y constant during a measurement data phase, then declines during a refresh phase. The sample conditioning phase exposes the EC cell to the gas sample for a length of time sufficient to reach a constant response. The measurement data phase is the time interval during which gas sample measurements can be made that meet the acceptance criteria of this protocol. The refresh phase then purges the EC cells with CO

- free air. The refresh phase replenishes requisite O 2 and moisture in the electrol yt e reser ve and provides a109

mechanism to de

- gas or desorb an y interference gas scrubbers or filters so as to enable a stable CO EC cell response. There are four primary t yp es of sampling runs: pre

- sampling calibrations; stack gas sampling; post

- sampling calibration checks; and measurement s ystem repeatability checks. Stack gas sampling runs can be chained together for extended evaluations, providing all other procedural specifications are met. 3.10 Sampling Day

. A time not to exceed twelve hours from the time of the pre - sampling calibration to the post

- sampling calibration check. During this time, stack gas sampling runs can be repeated without repeated recalibrations, providing all other sampling specifications have been met.
3.11 Pre

- Sampling Calibration/Post

- Sampl ing Calibration Check. The protocols executed at the beginning and end of each sampling day to bracket measurement readings with controlled performance checks. 3.12 Performance

- Established Configuration . T he EC cell and sampling s ystem configuration that e xisted at the time that it initially met the performance requirements of this protocol. **4.0 Interferences.** When present in sufficient concentrations, NO and NO 2 are two gas species that have been reported to interfere with CO concentration measurements. In the likelihood of this occurrence, it is the protocol user’s responsibility to employ

and properl y maintain an appropriate CO EC cell filter or scrubber for removal of these gases, as described in Section 6.2.12. **5.0 Safety.** [Reserved] **6.0 Equipment and S upplies.** 
6.1 W hat equipment do I need for the measurement system? The sy stem must maintain the gas sample at conditions that will prevent moisture condensation in the sample transport lines, both before and as the sample gas contacts the EC cells. The
esse ntial components of the measurement sy stem are described below. 6.2 Measurement System Components.110

6.2.1 Sample Probe . A single extraction

- point probe constructed of g lass, stainless steel or other
non - reactive material, and of length sufficient to reach an y designated sampling point. The sample probe must be designed to prevent plugging due to condensation or particulate matter. 6.2.2 Sample Line . N on - reactive tubing to transport the effluent from the sample probe to the EC cell.
6.2.3 Calibration Assembl y (optional) . A three

- way valve assembl y or equivalent to introduce calibration gases at ambient pressure at the exit end of the sample probe during calibration checks. The assembl y must be designed such that only stack gas or calibration gas flows in the sample line and all gases flow through an y gas path filters. 6.2.4 Particulate Filter (optional)

. Filters before the inlet of the EC cell to prevent accumulation of particulate material in the measurement sy stem and extend the useful life of the components

. All filters must be fabricated of materials that are non

- reactive to the gas mixtures being sampled. 6.2.5 Sample Pump . A l eak

- free pump to provide undiluted sample gas to the sy stem at a flow rate sufficient to minimize the response time of the measurem ent sy stem. If located upstream of the EC cells, the pump must be constructed of a material that is non

- reactive to the gas mixtures being sampled. 6.2.8 Sample Flow Rate Monitoring . An adjustable rotameter or equivalent device used to adjust and maintain the sample flow rate through the analy zer as prescribed. 6.2.9 Sample Gas Manifold (optional) . A manifold to divert a portion of the sample gas stream to the anal yz er and the remainder to a b y - pass discharge vent. The sample gas manifold may also include provisions for introducing calibration gases directly to the anal yz er. The manifold must be constructed of a material that is non

- reactive to the gas mixtures being sampled.
6.2.10 EC cell

. A device containing one or more EC cells to determine the CO and O 2 concentrations in the sample gas stream. The EC cell(s) must meet the applicable performance specifications of Section 13 of this protocol.111

6.2.11 Data Recorder

. A strip chart recorder, computer or digital recor der to make a record of anal yz er output data. The data recorder resolution (i.e., readability) must be no greater than 1 ppm for CO; 0.1 percent for O 2 ; and one degree (either o C or o F) for temperature. Alternativel y, yo u may use a digital or analog meter having the same resolution to observe and manuall y record the anal yz er responses. 6.2.12 Interference Gas Filter or Scrubber

. A device to remove interfering compounds upstream of the CO EC cell. Specific interference gas filters or scrubbers used in the pe rformance

established configuration of the anal yz er must continue to be used. Such a filter or scrubber must have a means to determine when the removal agent is exhausted. Periodically replace or replenish it in accordance with the manufacturer’s recommend ations. **7.0 Reagents and Standards. What calibration gases are needed?**
7.1 Calibration Gases

. CO calibration gases for the EC cell must be CO in nitrogen or CO in a mixture of nitrogen and O 2. U se CO calibration gases with labeled concentration values cert ified by the manufacturer to be within ± 5 percent of the label value. Dry ambient air (20.9 percent O 2 ) is acceptable for calibration of the O 2 cell. If needed, an y lower percentage O 2 calibration gas must be a mixture of O 2 in nitrogen.
7.1.1 Up

- Scale CO Calibration Gas Concentration. Choose one or more up

- scale gas concentrations such that the average of the stack gas measurements for each stack gas sampling run are between 25 and 150 percent of those concentrations. Alternatively , choose an up

- scale gas that does not exceed twice the concentration of the applicable outlet standard. If a measured gas value exceeds 150 percent of the up

- scale CO calibration gas value at an y time during the stack gas sampling run, the run must be discarded and repeated.
7.1.2 Up

- Scale O2 Calibration Gas Concentration.
Select an O 2 gas concentration such that the difference between the gas concentration and the average stack gas measurement or reading for each sample run is less than 15 percent O 2 . When the average exhaust gas O 2 readings are above 6 percent, you may use dry ambient air (20.9 percent O 2 ) for the up

- scale O 2 calibration gas.112

7.1.3 Zero Gas . Use an inert gas that contains less than 0.25 percent of the up

- scale CO calibration gas concentration. You may use dry air that is free from ambient CO and other combustion gas products (e.g., CO 2 ). **8.0 Sample Collection and Analysis** 8.1 Selection of Sampling Sites **.** 8.1.1 Control Device Inlet. Select a sampling site sufficientl y downstream of the engine so that the combustion gases should be well mixed. Use a single sampling extraction point near the center of the duct (e.g., within the 10 percent centroidal area), unless instructed otherwise.
8 .1.2 Exhaust Gas Outlet. Select a sampling site located at least two stack diameters downstream of an y disturbance (e.g., turbocharger exhaust, crossover junction or recirculation take

- off) and at least one

- half stack diameter upstream of the gas discharge to the atmosphere. Use a single sampling extraction point near the center of the duct (e.g., within the 10 percent centroidal area), unless instructed otherwise. 8.2 Stack Gas Collection and Analysis **.** Prior to the first stack gas sampling run, conduct that the pre - sampling calibration in accordance with Section 10.1. Use Figure 1 to record all data. Zero the anal yz er with zero gas. Confirm and record that the scrubber media color is correct and not exhausted. Then position the probe at the sampling point and begin the sampling run at the same flow rate used during the up

- scale calibration. R ecord the start time. Record all EC cell output responses and the flow rate during the “sample conditioning phase” once per minute until constant readings are obtained. Then begin the “measurement data phase” and record readings every 15 seconds for at least two minutes (or eight readings), or as otherwise required to achieve two continuous minutes of data that meet the specification given in Section 13.1. Finally , perfor m the “refresh phase” by

introducing dry

air, free from CO and other combustion gases, until several minute

- to

- minute readings of consistent value have been obtained. For each run use the “measurement data phase” readings to calculate the average stack gas CO and O 2 concentrations.
8.3 EC Cell Rate. Maintain t he EC cell sample flow rate so that it does not vary by more than ± 10 percent throughout the pre

- sampling calibration, stack gas sampling and post

- sampling113

calibration check. Alternatively , the EC cell sample flow rate can be maintained within a tolerance range that does not affect the gas concentration readings b y more than ± 3 percent, as instructed by

the EC cell manufacturer. **9.0 Quality Control (Reserve d)**  **10.0 Calibration and Standardization**
10.1 Pre

- Sampling Calibration **.** Conduct the following protocol once for each nominal range to be used on each EC cell before performing a stack gas sampling run on each field sampling day

. Repeat the calibration if yo u replace an EC cell before completing all of the sampling runs. There is no prescribed order for calibration of the EC cells; however, each cell must complete the measurement data phase during calibration. Assemble the measurement system by following th e manufacturer's recommended protocols including for preparing and preconditioning the EC cell. Assure the measurement sy stem has no leaks and verify the gas scrubbing agent is not depleted. Use Figure 1 to record all data.
10.1.1 Zero Calibration

. For both the O 2 and CO cells, introduce zero gas to the measurement sy stem (e.g., at the calibration assembly) and record the concentration reading every minute until readings are constant for at least two consecutive minutes. Include the time and sample flow rat e. Repeat the steps in this section at least once to verify the zero calibration for each component gas. 10.1.2 Zero Calibration Tolerance **.** For each zero gas introduction, the zero level output must be less than or equal to ± 3 percent of the up

- scale gas value or ± 1 ppm, whichever is less restrictive, for the CO channel and less than or equal to ± 0.3 percent O 2 for the O 2 channel. 10.1.3 Up

- Scale Calibration

. In dividuall y introduce each calibration gas to the measurement sy stem (e.g., at the calibration assembly) and record the start time. Record all EC cell output responses and the flow rate during this “sample conditioning phase” once per minute until readings are constant for at least two minutes. Then begin the “measurement data phase” and record read ings every

15 seconds for a total of two minutes, or as otherwise required. Finall y, perform the “refresh phase” b y introducing dry air, free from CO and other combustion gases, until readings are constant for at least two consecutive minutes. Then repeat the steps in this114

section at least once to verify the calibration for each component gas. Introduce all gases to flow through the entire sample handling sy stem (i.e., at the exit end of the sampling probe or the calibration assembl y). 10.1.4 Up

- Scale Calibration Error **.** The mean of the difference of the “measurement data phase” readings from the reported standard gas value must be less than or equal to ± 5 percent or ± 1 ppm for CO or ± 0.5 percent O 2 , whichever is less restrictive, respectivel y. The maximum allowable deviation from the mean measured value of an y single "measurement data phase" reading must be less than or equal to ± 2 percent or ± 1 ppm for CO or ± 0.5 percent O 2 , whichever is less restrictive, respectivel y. 10.2 Post

- Sampling Calibra tion Check . Conduct a stack gas post

- sampling calibration check after the stack gas sampling run or set of runs and within 12 hours of the initial calibration. Conduct up

- scale and zero calibration checks using the protocol in Section 10.1. Make no changes to the sampling sy stem or EC cell calibration until all post

- sampling calibration checks have been recorded. If either the zero or up

- scale calibration error exceeds the respective specification in Sections 10.1.2 and 10.1.4 then all measurement data coll ected since the previous successful calibrations are invalid and re

- calibration and re

- sampling are required. If the sampling s ys tem is disassembled or the EC cell calibration is adjusted, repeat the calibration check before conducting the next analy zer sampling run. **11.0 Analytical Procedure**
The anal yt ical procedure is fully discussed in Section 8. **12.0 Calculations and Data Analysis**
Determine the CO and O 2 concentrations for each stack gas sampling run by calculating the mean gas concentrations of the data recorded during the “measurement data phase”. **13.0 Protocol Performance** Use the following protocols to verify consistent analyzer performance during each field sampling day

.115

13.1 Measurement Data Phase Performance Check . Calculate the mean of the readings from the “measurement data phase”. The maximum allowable deviation from the mean for each of the individual readings is ± 2 percent, or ± 1 ppm, whic hever is less restrictive. Record the mean value and maximum deviation for each gas monitored. Data must conform to Section 10.1.4. The EC cell flow rate must conform to the specification in Section 8.3. Example: A measurement data phase is invalid if the maximum deviation of any single reading comprising that mean is greater than ± 2 percent or ± 1 ppm (the default criteria). For example, if the mean = 30 ppm, single readings of below 29 ppm and above 31 ppm are disallowed). 13.2 Interference Check

**.** Befor e the initial use of the EC cell and interference gas scrubber in the field, and semi

- annually

thereafter, challenge the interference gas scrubber with NO and NO 2 gas standards that are generally recognized as representative of diesel

- fueled engine NO and NO 2 emission values. Record the responses display ed by the CO EC cell and other pertinent data on Figure 1 or a similar form. 13.2.1 Interference Response **.** The combined NO and NO 2 interference response should be less than or equal to ± 5 percent of the up

- scale CO calibration gas concentration. 13.3 Repeatability Check**.** Conduct the following check once for each nominal range that is to be used on the CO EC cell within five day s prior to each field sampling program. If a field sampling program lasts longer than five day s, repeat this check every five day s. Immediately

repeat the check if the EC cell is replaced or if the EC cell is exposed to gas concentrations gr eater than 150 percent of the highest up

- scale gas concentration. 13.3.1 Repeatability Check Procedure . Perform a complete EC cell sampling run (all three phases) b y introducing the CO calibration gas to the measurement system and record the response. Fol low Section 10.1.3. Use Figure 1 to record all data. Repeat the run three times for a total of four complete runs. During the four repeatability check runs, do not adjust the sy stem except where necessary

to achieve the correct calibration gas flow rate at the anal yz er. 13.3.2 Repeatability Check Calculations **.** Determine the highest and lowest average “measurement data phase” CO concentrations from the four repeatability check runs and record the results on Figure 1 or a similar form. The absolute value of the difference between the116

maximum and minimum average va lues recorded must not vary more than ± 3 percent or ± 1 ppm of the up

- scale gas value, whichever is less restrictive. **14.0 Pollution Prevention (Reserved) 15.0 Waste Management (Reserved)**  **16.0 Alternative Procedures (Reserved) 17.0 References**  (1) “Develop ment of an Electrochemical Cell Emission Analy zer Test Protocol”, Topical Report, Phil Juneau, Emission Monitoring, Inc., July 1997. (2) “Determination of Nitrogen Oxides, Carbon Monoxide, and Oxygen Emissions from Natural Gas

- Fired Engines, Boilers, and Process Heaters Using Portable Anal yz ers”, EMC Conditional Test Protocol 30 (CTM

- 30), Gas Research Institute Protocol GRI

- 96/0008, Revision 7, October 13, 1997. (3) "I CAC Test Protocol for Periodic Monitoring”, EMC Conditional Test Protocol 34 (CTM

034), T he Institute of Clean Air Companies, September 8, 1999. (4) “Code of Federal Regulations”, Protection of Environment, 40 CFR, Part 60, Appendix A, Methods 1

- 4; 10.

Table 1: Appendix A

- Sampling Run Data.

Facilit y________________ Engine I.D.___________ ___ Date_________

Run Ty pe: (__) (__) (__) (__) (X) Pre

- Sample Stack Gas Post

- Sample Repeatability117

Calibration Sample Cal. Check Check

Run # 1 1 2 2 3 3 4 4 Time Scrub. OK Flow

Rate Gas 

## O

2 

## C O O

2 

## C O O

2 

## CO O 2 

## CO

Sample Cond. Phase

“

“

“

“

Measure

ment Data Phase

“

“

“

“

“

“

“

“ “

“118

Mean

Refresh
Phase

“

“

“

“