(1) You must review your program and entry operations when measures taken under your permit-required confined space entry program may not protect employees. Review your program as necessary to correct deficiencies before allowing subsequent entries.1

(2) You must keep the canceled entry permits for at least one year to facilitate the review of the permit-required confined space program. Use the canceled entry permits within one year following each entry to review and evaluate both your program and the protection provided to employees entering permit-required confined spaces.2 Update your written permit-required confined space entry programs as necessary to correct deficiencies before allowing subsequent entries.

(3) You must keep entry permits or other atmospheric monitoring records that show the actual atmosphere an employee entered or worked in, as employee exposure records.3