---
kind: "section"
citation: "40 C.F.R. § 51.114"
title: "40"
number: "51.114"
heading: "Emissions data and projections."
url: "https://uscodex.org/cfr/40/51.114"
---

# §51.114. Emissions data and projections.

- (a) Except for lead, each plan must contain a detailed inventory of emissions from point and area sources. Lead requirements are specified in [§ 51.117](/cfr/40/51.117.md). The inventory must be based upon measured emissions or, where measured emissions are not available, documented emission factors.
- (b) Each plan must contain a summary of emission levels projected to result from application of the new control strategy.
- (c) Each plan must identify the sources of the data used in the projection of emissions.

## Notes

### Source

Source: 51 FR 40665, Nov. 7, 1986, unless otherwise noted.

### Authority

Authority: 23 U.S.C. 101; 42 U.S.C. 7401-7671q.

### Source

Source: 36 FR 22398, Nov. 25, 1971, unless otherwise noted.