§ 75.54 - General recordkeeping provisions.

Link to an amendment published at 67 FR 40440, June 12, 2002.

(a) Recordkeeping requirements for affected sources. On and after January 1, 1996, and before April 1, 2000, the owner or operator shall meet the requirements of either this section or § 75.57. On and after April 1, 2000, the owner or operator shall meet the requirements of § 75.57. The owner or operator of any affected source subject to the requirements of this part shall maintain for each affected unit a file of all measurements, data, reports, and other information required by this part at the source in a form suitable for inspection for at least three (3) years from the date of each record. Unless otherwise provided, throughout this subpart the phrase “for each affected unit” also applies to each group of affected or nonaffected units utilizing a common stack and common monitoring systems, pursuant to §§ 75.16 through 75.18, or utilizing a common pipe header and common fuel flowmeter, pursuant to section 2.1.2 of appendix D to this part. The file shall contain the following information:

(1) The data and information required in paragraphs (b) through (g) of this section, beginning with the earlier of the date of provisional certification, or the deadline in § 75.4(a), (b) or (c);

(2) The supporting data and information used to calculate values required in paragraphs (b) through (f) of this section, excluding the subhourly data points used to compute hourly averages under § 75.10(d), beginning with the earlier of the date of provisional certification, or the deadline in § 75.4(a), (b) or (c);

(3) The data and information required in § 75.55 of this part for specific situations, as applicable, beginning with the earlier of the date of provisional certification, or the deadline in § 75.4(a), (b) or (c);

(4) The certification test data and information required in § 75.56 for tests required under § 75.20, beginning with the date of the first certification test performed, and the quality assurance and quality control data and information required in § 75.56 for tests and the quality assurance/quality control plan required under § 75.21 and appendix B of this part, beginning with the date of provisional certification;

(5) The current monitoring plan as specified in § 75.53, beginning with the initial submission required by § 75.62; and

(6) The quality control plan as described in appendix B to this part, beginning with the date of provisional certification.

(b) Operating parameter record provisions. The owner or operator shall record for each hour the following information on unit operating time, heat input, and load separately for each affected unit, and also for each group of units utilizing a common stack and a common monitoring system or utilizing a common pipe header and common fuel flowmeter, except that separate heat input data for each unit shall not be required after January 1, 2000 for any unit, other than an opt-in source, that does not have a NOX emission limitation under part 76 of this chapter.

(1) Date and hour;

(2) Unit operating time (rounded up to nearest 15 minutes);

(3) Total hourly gross unit load (rounded to nearest MWge) (or steam load in lb/hr at stated temperature and pressure, rounded to the nearest 1000 lb/hr, if elected in the monitoring plan);

(4) Operating load range corresponding to total gross load of 1-10, except for units using a common stack or common pipe header, which may use the number of unit load ranges up to 20 for flow, as specified in the monitoring plan; and

(5) Total heat input (mmBtu, rounded to the nearest tenth).

(c) SO2emission record provisions. The owner or operator shall record for each hour the information required by this paragraph for each affected unit or group of units using a common stack and common monitoring systems, except as provided under § 75.11(e) or for a gas-fired or oil-fired unit for which the owner or operator is using the optional protocol in appendix D to this part for estimating SO2 mass emissions:

(1) For SO2 concentration, as measured and reported from each certified primary monitor, certified back-up monitor, or other approved method of emissions determination:

(i) Component-system identification code as provided for in § 75.53;

(ii) Date and hour;

(iii) Hourly average SO2 concentration (ppm, rounded to the nearest tenth);

(iv) Hourly average SO2 concentration (ppm, rounded to the nearest tenth) adjusted for bias, if bias adjustment factor is required as provided for in § 75.24(d);

(v) Percent monitor data availability (recorded to the nearest tenth of a percent) calculated pursuant to § 75.32; and

(vi) Method of determination for hourly average SO2 concentration using Codes 1-15 in table 4 of this section.

(2) For flow as measured and reported from each certified primary monitor, certified back-up monitor or other approved method of emissions determination:

(i) Component/system identification code as provided for in § 75.53;

(ii) Date and hour;

(iii) Hourly average volumetric flow rate (in scfh, rounded to the nearest thousand);

(iv) Hourly average volumetric flow rate (in scfh, rounded to the nearest thousand) adjusted for bias, if bias adjustment factor required as provided for in § 75.24(d);

(v) Hourly average moisture content of flue gases (percent, rounded to the nearest tenth) where SO2 concentration is measured on dry basis;

(vi) Percent monitor data availability (recorded to the nearest tenth of a percent), calculated pursuant to § 75.32; and

(vii) Method of determination for hourly average flow rate using Codes 1-15 in table 4.

(3) For SO2 mass emissions as measured and reported from the certified primary monitoring system(s), certified redundant or non-redundant back-up monitoring system(s), or other approved method(s) of emissions determination:

(i) Date and hour;

(ii) Hourly SO2 mass emissions (lb/hr, rounded to the nearest tenth);

(iii) Hourly SO2 mass emissions (lb/hr, rounded to the nearest tenth) adjusted for bias, if bias adjustment factor required, as provided for in § 75.24(d); and

(iv) Identification code for emissions formula used to derive hourly SO2 mass emissions from SO2 concentration and flow data in paragraphs (c)(1) and (c)(2) of this section as provided for in § 75.53.

Table 4—Codes for Method of Emissions and Flow De-ter-mina-tionCodeHourly emissions/flow measurement or estimation method1Certified primary emission/flow monitoring system.2Certified back-up emission/flow monitoring system.3Approved alternative monitoring system.4Reference method:SO2: Method 6C.Flow: Method 2.NOX: Method 7E.CO2 or O2: Method 3A.5For units with add-on SO2 and/or NOX emission controls: SO2 concentration or NOX emission rate estimate from Agency preapproved parametric monitoring method.6Average of the hourly SO2 concentrations, CO2 concentrations, flow, or NOX emission rate for the hour before and the hour following a missing data period.7Hourly average SO2 concentration, CO2 concentration, flow rate, or NOX emission rate using initial missing data procedures.890th percentile hourly SO2 concentration, flow rate, or NOX emission rate.995th percentile hourly SO2 concentration, flow rate, or NOX emission rate.10Maximum hourly SO2 concentration, flow rate, or NOX emission rate.11Hourly average flow rate or NOX emission rate in corresponding load range.12Maximum potential concentration of SO2, maximum potential flow rate, or maximum potential NOX emission rate, as determined using section 2.1 of appendix A of this part, or maximum CO2 concentration.13Other data (specify method).14Minimum CO2 concentration of 5.0 percent CO2 or maximum O2 concentration of 14.0 percent to be substituted optionally for measured diluent gas concentrations during unit startup, for NOX emission rate or SO2 emission rate in lb/mmBtu or for CO2 concentration.15Fuel analysis data from appendix G of this part for CO2 mass emissions.

(d) NOXemission record provisions. The owner or operator shall record the information required by this paragraph for each affected unit for each hour, except for a gas-fired peaking unit or oil-fired peaking unit for which the owner or operator is using the optional protocol in appendix E to this part for estimating NOX emission rate. For each NOX emission rate as measured and reported from the certified primary monitor, certified back-up monitor, or other approved method of emissions determination:

(1) Component/system identification code as provided for in § 75.53;

(2) Date and hour;

(3) Hourly average NOX concentration (ppm, rounded to the nearest tenth);

(4) Hourly average diluent gas concentration (percent O2 or percent CO2, rounded to the nearest tenth);

(5) Hourly average NOX emission rate (lb/mmBtu, rounded to nearest hundredth);

(6) Hourly average NOX emission rate (lb/mmBtu, rounded to nearest hundredth) adjusted for bias, if bias adjustment factor is required as provided for in § 75.24(d);

(7) Percent monitoring system data availability, (recorded to the nearest tenth of a percent), calculated pursuant to § 75.32;

(8) Method of determination for hourly average NOX emission rate using Codes 1-15 in table 4; and

(9) Identification code for emissions formula used to derive hourly average NOX emission rate, as provided for in § 75.53.

(e) CO2emission record provisions. The owner or operator shall record or calculate CO2 emissions for each affected unit using one of the following methods specified in this section:

(1) If the owner or operator chooses to use a CO2 continuous emission monitoring system (including an O2 monitor and flow monitor as specified in appendix F of this part), then the owner or operator shall record for each hour the following information for CO2 mass emissions, as measured and reported from the certified primary monitor, certified back-up monitor, or other approved method of emissions determination:

(i) Component/system identification code as provided for in § 75.53;

(ii) Date and hour;

(iii) Hourly average CO2 concentration (in percent, rounded to the nearest tenth);

(iv) Hourly average volumetric flow rate (scfh, rounded to the nearest thousand scfh);

(v) Hourly CO2 mass emissions (tons/hr, rounded to the nearest tenth);

(vi) Percent monitor data availability (recorded to the nearest tenth of a percent); calculated pursuant to § 75.32;

(vii) Method of determination for hourly CO2 mass emissions using Codes 1-15 in table 4; and

(viii) Identification code for emissions formula used to derive average hourly CO2 mass emissions, as provided for in § 75.53.

(2) As an alternative to § 75.54(e)(1), the owner or operator may use the procedures in § 75.13 and in appendix G to this part, and shall record daily the following information for CO2 mass emissions:

(i) Date;

(ii) Daily combustion-formed CO2 mass emissions (tons/day, rounded to the nearest tenth);

(iii) For coal-fired units, flag indicating whether optional procedure to adjust combustion-formed CO2 mass emissions for carbon retained in flyash has been used and, if so, the adjustment;

(iv) For a unit with a wet flue gas desulfurization system or other controls generating CO2, daily sorbent-related CO2 mass emissions (tons/day, rounded to the nearest tenth); and

(v) For a unit with a wet flue gas desulfurization system or other controls generating CO2, total daily CO2 mass emissions (tons/day, rounded to the nearest tenth) as sum of combustion-formed emissions and sorbent-related emissions.

(f) Opacity records. The owner or operator shall record opacity data as specified by the State or local air pollution control agency. If the State or local air pollution control agency does not specify recordkeeping requirements for opacity, then record the information required by paragraphs (f) (1) through (5) of this section for each affected unit, except as provided for in § 75.14 (b), (c), and (d). The owner or operator shall also keep records of all incidents of opacity monitor downtime during unit operation, including reason(s) for the monitor outage(s) and any corrective action(s) taken for opacity, as measured and reported by the continuous opacity monitoring system:

(1) Component/system identification code;

(2) Date, hour, and minute;

(3) Average opacity of emissions for each six minute averaging period (in percent opacity);

(4) If the average opacity of emissions exceeds the applicable standard, then a code indicating such an exceedance has occurred; and

(5) Percent monitor data availability, recorded to the nearest tenth of a percent, calculated according to the requirements of the procedure recommended for State Implementation Plans in appendix M of part 51 of this chapter.

(g) Missing data records. The owner or operator shall record the causes of any missing data periods and the actions taken by the owner or operator to cure such causes.

Effective Date Note:

At 67 FR 40440, June 12, 2002, § 75.54 was removed and reserved, effective July 12, 2002.