StacksVerified U.S. regulatory reference

40 CFR §63.9550

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)You must keep your records in a form suitable and readily available for expeditious review, according to § 63.10(b)(1).
  2. (b)As specified in § 63.10(b)(1), you must keep each record for 5 years following the date of each occurrence, measurement, maintenance, corrective action, report, or record.
  3. (c)You must keep each record on site for at least 2 years after the date of each occurrence, measurement, maintenance, corrective action, report, or record, according to § 63.10(b)(1). You can keep the records offsite for the remaining 3 years.