# List of Approved Spent Fuel Storage Casks: NAC-MPC System, Revision 6, Confirmation of Effective Date
> **Nuclear Regulatory Commission** · Direct final rule: Confirmation of effective date. · Published 2010-09-23 · Effective 2010-10-04 · 75 FR 57841
## Document
- **Document number:** 2010-23875
- **Category:** nuclear-waste
- **Sub-agency:** Nuclear Regulatory Commission
- **Federal Register citation:** 75 FR 57841
- **CFR reference:** 10 CFR 72
- **Publication date:** 2010-09-23
- **Effective date:** 2010-10-04
- **Energy docket:** NRC-2010-0183
## Abstract

The Nuclear Regulatory Commission (NRC) is confirming the effective date of October 4, 2010, for the direct final rule that was published in the Federal Register on July 21, 2010 (75 FR 42292). This direct final rule amended the NRC's spent fuel storage regulations at 10 CFR 72.214 to revise the NAC-MPC System listing to include Amendment Number 6 to Certificate of Compliance (CoC) Number 1025.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2010/09/23/2010-23875/list-of-approved-spent-fuel-storage-casks-nac-mpc-system-revision-6-confirmation-of-effective-date)
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