---
kind: "section"
citation: "40 C.F.R. § 63.11995"
title: "40"
number: "63.11995"
heading: "In what form and how long must I keep my records?"
url: "https://uscodex.org/cfr/40/63.11995"
---

# §63.11995. In what form and how long must I keep my records?

- (a) You must keep records for 5 years in a form suitable and readily available for expeditious review, as specified in [§ 63.10(b)(1)](/cfr/40/63.10.md?p=b-1).
- (b) You must keep each record on site for at least 2 years, as specified in [§ 63.10(b)(1)](/cfr/40/63.10.md?p=b-1). You can keep the records off site for the remaining 3 years. Records may be maintained in hard copy or computer-readable format including, but not limited to, on paper, microfilm, hard disk drive, floppy disk, compact disk, magnetic tape or microfiche.

## Notes

### Source

Source: 77 FR 22906, Apr. 17, 2012, unless otherwise noted.

### Authority

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

### Source

Source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.