40 C.F.R. § 60.4390a
What records must I maintain?
Cite as 40 C.F.R. § 60.4390a (2026)
(a) You must maintain records of your information used to demonstrate compliance with this subpart as specified in § 60.7. (b) An owner or operator of a stationary combustion turbine that uses the other fuels, part-load, or low temperature NO X standards in the compliance demonstration must maintain concurrent records of the hourly heat input, percent load, ambient temperature, and emissions data as applicable. (c) An owner or operator of a stationary combustion turbine that uses the tuning NO X standard in the compliance demonstration must identify the hours on which the maintenance was performed and a description of the maintenance. (d) An owner or operator of a stationary combustion turbine that demonstrates compliance using the output-based standard must maintain concurrent records of the total gross or net energy output and emissions data. (e) An owner or operator of a stationary combustion turbine that demonstrates compliance using the water or steam to fuel ratio or a parameter continuous monitoring system must maintain continuous records of the appropriate parameters. (f) An owner or operator of a stationary combustion turbine complying with the fuel-based SO 2 standard must maintain records of the results of all fuel analyses or a current, valid purchase contract, tariff sheet, or transportation contract.
- Cross-references to the CFR
- 60.7.