# National Oil and Hazardous Substances Contingency Plan; National Priorities List Update
> **Rule** · Notice of deletion of the Mason County Landfill Superfund Site from the National Priorities List (NPL). · Published 1999-09-09 · Effective 1999-09-09 · 64 FR 48964
## Document
- **Document number:** 99-23281
- **Category:** superfund
- **Federal Register citation:** 64 FR 48964
- **CFR reference:** 40 CFR 300
- **Publication date:** 1999-09-09
- **Effective date:** 1999-09-09
- **EPA docket:** FRL-6434-8
## Abstract

The Environmental Protection Agency (EPA) announces the deletion of the Mason County Landfill Superfund Site in Michign from the National Priorities List (NPL). The NPL is appendix B of 40 CFR part 300 which is the National Oil and Hazardous Substances Contingency Plan (NCP), which EPA promulgated pursuant to section 105 of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA), as amended. This action is being taken by EPA and the State of Michigan, because it has been determined that Responsible Parties have implemented all appropriate response actions required. Moreover, EPA and the State of Michigan have determined that remedial actions conducted at the site to date remain protective of public health, welfare, and the environment.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1999/09/09/99-23281/national-oil-and-hazardous-substances-contingency-plan-national-priorities-list-update)
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