---
kind: "section"
citation: "40 C.F.R. § 60.6100"
title: "40"
number: "60.6100"
heading: "If a semiannual report is required, when must I submit it?"
url: "https://uscodex.org/cfr/40/60.6100"
---

# §60.6100. If a semiannual report is required, when must I submit it?

- (a) For data collected during the first half of a calendar year, submit your semiannual report by August 1 of that year.
- (b) For data you collected during the second half of the calendar year, submit your semiannual report by February 1 of the following year.

## Notes

### Source

Source: 91 FR 11833, Mar. 10, 2026, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 7401 et seq.

### Source

Source: 36 FR 24877, Dec. 23, 1971, unless otherwise noted.