Title 42, The Public Health and WelfareRelease 119-102

§7430 Emission Factors

Title 42 › CHAPTER 85 — AIR POLLUTION PREVENTION AND CONTROL › SUBCHAPTER I — PROGRAMS AND ACTIVITIES › Part A — Air Quality and Emission Limitations › § 7430

Last updated Aug 21, 2026|Official source

Summary

Within 6 months after November 15, 1990, and at least every 3 years after that, the EPA Administrator must review and update how emissions of carbon monoxide, volatile organic compounds, and oxides of nitrogen are estimated. The Administrator must also create emission factors for any sources that do not have them, including area and mobile sources. The Administrator must let anyone present improved estimating methods. After public input and approval, the Administrator must allow those methods to be used. Until the required update is finished, emission factors set before November 15, 1990 stay valid.

Full Legal Text

Title 42, §7430

The Public Health and Welfare, Source: USLM XML via OLRC

Within 6 months after November 15, 1990, and at least every 3 years thereafter, the Administrator shall review and, if necessary, revise, the methods (“emission factors”) used for purposes of this chapter to estimate the quantity of emissions of carbon monoxide, volatile organic compounds, and oxides of nitrogen from sources of such air pollutants (including area sources and mobile sources). In addition, the Administrator shall establish emission factors for sources for which no such methods have previously been established by the Administrator. The Administrator shall permit any person to demonstrate improved emissions estimating techniques, and following approval of such techniques, the Administrator shall authorize the use of such techniques. Any such technique may be approved only after appropriate public participation. Until the Administrator has completed the revision required by this section, nothing in this section shall be construed to affect the validity of emission factors established by the Administrator before November 15, 1990.

Reference

Citations & Metadata

Citation

42 U.S.C. § 7430

Title 42, The Public Health and Welfare

Last Updated

Aug 21, 2026

Release point: 119-102