United States
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Offset Requirements for U.S. Steel's Fairfield Modernization
This document may be of assistance in applying the New Source Review (NSR) air permitting regulations including the Prevention of Significant Deterioration (PSD) requirements. This document is part of the NSR Policy and Guidance Database.
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EPA's Conclusion that WEPCO's Proposed Renovations to its Port Washington Power Plant Would be Subject to NSPS and PSD Requirements
This document may be of assistance in applying the New Source Review (NSR) air permitting regulations including the Prevention of Significant Deterioration (PSD) requirements. This document is part of the NSR Policy and Guidance Database.
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NSPS-NESHAP Applicability for Excelerate Energy's Aguirre GasPort Emission Units
This document may be of assistance in applying the New Source Review (NSR) air permitting regulations including the Prevention of Significant Deterioration (PSD) requirements. This document is part of the NSR Policy and Guidance Database.
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North Carolina's Implementation of Visibility Impact Assessment Requirements for New Major Stationary Sources and Major Modifications Subject to Clean Air Act Prevention of Significant Deterioration Requirements
This document may be of assistance in applying the New Source Review (NSR) air permitting regulations including the Prevention of Significant Deterioration (PSD) requirements. This document is part of the NSR Policy and Guidance Database.
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J.R. Simplot Company's Don Siding Plant and Issues Related to Aggregation, Debottlenecking and Projected Actual Emissions
This document may be of assistance in applying the New Source Review (NSR) air permitting regulations including the Prevention of Significant Deterioration (PSD) requirements. This document is part of the NSR Policy and Guidance Database.
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Interpreting "Adjacent" for New Source Review and Title V Source Determinations in All Industries Other Than Oil and Gas
This document is part of the NSR and Title V Policy and Guidance Databases
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Phased Netting at Entergy's Michoud Plant
This document may be of assistance in applying the New Source Review (NSR) air permitting regulations including the Prevention of Significant Deterioration (PSD) requirements. This document is part of the NSR Policy and Guidance Database.
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There is mud on my car from driving on Taggart Street. Is this contaminated?
No, all site vehicles are washed and cleaned before leaving the operational areas. Vehicles carrying contaminated soil are tightly covered and checked before entering Taggart. Street sweepers clean dust and residual dirt from the surrounding roads, so any mud would not be from contaminated areas.
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Are there health risks to driving through Taggart Street?
There are no anticipated health risks along Taggart Street associated with project activities. As work proceeds, to ensure worker and community safety, the Unified Command will continue to evaluate site conditions for health and safety considerations. While traffic will be able to proceed through the work areas along Taggart Street…
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What is the process for backfilling excavated areas at the derailment site?
Areas that were excavated as part of the derailment cleanup effort will be backfilled with clean soil. Before soil is chosen as backfill it is tested for chemicals and heavy metals. While the source of backfill is still being identified, some areas have been temporarily backfilled with ballast (large gravel)…
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Industrial Effluent Guidelines
Menu for effluent guidelines; industrial wastewater regulations and related publications
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Cyanide Measurements: Questions and Answers
Questions and answers about cyanide measurements in Clean Water Act analytical methods (40 CFR Part 136).
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Effluent Guidelines Plan Support Documents
Miscellaneous support documents for Effluent Guidelines Plan
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Decision on Use of ASTM Method D7575
Documents for implementing use of ASTM Method D7575 for measurement of oil and grease in wastewater
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Other Support Documents for CWA Methods
General support documents for the CWA analytical methods program that are not analyte-specific
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Oil and Grease Measurements - Frequent Questions
Questions regarding use of EPA method 1664A for measurement of oil and grease in water
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Methods Update Rule Support Documents
Supporting documents for Methods Update Rules (Final May 2021; Final - August 2017); amendments to 40 CFR Part 136
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Other Clean Water Act Test Methods: Biosolids
Methods for analysis of chemical pollutants in biosolids (municipal sewage sludge). These methods are not approved under 40 CFR Part 136, but may be of interest to regulated entities, permitting authorities and the public.
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2016 Effluent Guidelines Plan Documents
Supporting documentation for EPA's Effluent Guidelines Plan
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Aluminum Forming Effluent Guidelines Documents
Support documents for Aluminum Forming Effluent Guidelines regulations