---
kind: "section"
citation: "40 C.F.R. § 86.405-78"
title: "40"
number: "86.405-78"
heading: "Measurement system."
url: "https://uscodex.org/cfr/40/86.405-78"
---

# §86.405-78. Measurement system.

- (a) **This subpart and subpart F have been written using System International (SI) units.** SI units will be used to determine compliance with these regulations. English equivalents have been indicated solely for the user's convenience.
- (b) [Reserved]

## Notes

### Source

Source: 42 FR 1126, Jan. 5, 1977, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 7401-7671q.