Laws & Regulations
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SDWA-09-2025-0101: The Gas Company, LLC dba Hawaii Gas, Lihue, HI; Consent Agreement and Final Order
Consent Agreement and Final Order ("CAFO") between the U.S. Environmental Protection Agency, Region 9 and The Gas Company, LLC dba Hawaii Gas, Lihue, Hawaii. EPA Docket No. SDWA-09-2025-0101.
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Nonattainment and Ozone Transport Region (OTR) SIP Requirements
The Clean Air Act (CAA) requires a group of northeast states, which make up the Ozone Transport Region (OTR), to submit a SIP and install a certain level of controls for the pollutants that form ozone, even if they meet ozone standards.
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Managing Air Quality - Ongoing Evaluation of Progress
Describes the importance of evaluating if air quality programs are achieving the desired results to inform environmental program managers, regulated industry and the public, and provides EPA examples.
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Pesticide Registration Manual: Confidential Statement of Formula Documents
These documents will help you complete the confidential statement of formula for pesticides registrations.
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Quantifying Actual or Potential Emissions for Permitting Purposes
Explanation of the meaning of Regulated New Source Review (NSR) Pollutants
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Petmin USA Incorporated
US/Canada AQA Notification Table
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New Source Review Laws & Statutes
Provides information on the laws and statues that underlie the New Source Review Program.
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Notice of Action Denying Petition for Reconsideration and Administrative Stay of the Project Emissions Accounting Rule
Denial of petition for reconsideration and request for administrative stay of EPA’s November 24, 2020 final rule titled “Prevention of Significant Deterioration (PSD) and Nonattainment New Source Review (NNSR): Project Emissions Accounting”
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Improving Safety at Facilities in New England with Smaller Ammonia Refrigeration Systems
Compliance Assurance and Enforcement Focus on Improving Safety at Facilities in New England with Smaller Ammonia Refrigeration Systems
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Good Samaritan Cleanup Example ASAOC
Learn about the Black Swan Restoration Reach Good Samaritan Project in Colorado, an example Administrative Settlement Agreement and Order on Consent (ASAOC).
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Ground Water Forum
The Ground Water Forum is a group of groundwater scientists that support the Superfund and Resource Conservation and Recovery Act (RCRA) programs in each of EPA’s 10 regional offices.
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Groundwater Guidance and Reports: Table of Contents
Access key EPA groundwater guidance and selected other reports on groundwater used frequently by Superfund Remedial Project Managers.
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Deleted National Priorities List (NPL) Sites - by Site Name
View a list of Superfund sites deleted from the NPL, ordered alphabetically by site name.
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Deleted National Priorities List (NPL) Sites - by Deletion Date
View a list of Superfund sites deleted from the NPL, ordered chronologically by deletion date.
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Data Management within the Region 5 Remedial Program
Learn from an EPA region 5 memo providing an evaluation of how we receive, store, and process data to allow for the cataloging, interpreting, and publishing of very large amounts of data efficiently and consistently.
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Data Management and Communication at Residential Properties
Learn from an EPA region 5 memo about expectations for communicating residential sample results and the resources available to aid in those efforts.
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Construction Completions at National Priorities List Sites - by Site Name
View a list of NPL sites at which construction has been completed, ordered alphabetically by Site Name.
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Construction Completions at National Priorities List (NPL) Sites - by Number
View a list of NPL sites at which construction has been completed, ordered chronologically by Construction Completion Number.
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Close Out Procedures for National Priorities List Superfund Sites
Use this guidance for the process of accomplishing remedial action completion, construction completion, site completion, partial deletion and site deletion for NPL sites.