Laws & Regulations
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Fact Sheet: Performance-Based Cleanup and Disposal Under Section 761.61(b)
This fact sheet describes changes to the federal polychlorinated biphenyl (PCB) regulations at 40 Code of Federal Regulations part 761 that went into effect on February 26, 2024, which amended the performance-based disposal option for PCB remediation.
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Substitutes in MVAC: Passenger Air Conditioning in Light-Duty, Medium-Duty, Heavy-Duty and Off-Road Vehicles
This page contains a searchable/filterable/sortable table of substitutes listed acceptable for passenger air conditioning in light duty cars and trucks.
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Substitutes in Industrial Process Refrigeration
This page contains a searchable/filterable/sortable table of substitutes listed acceptable for use in industrial process refrigeration.
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Substitutes in Industrial Process Air Conditioning
This page contains a searchable/filterable/sortable table of substitutes listed acceptable for use in industrial process air conditioning.
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2006 National Ambient Air Quality Standards (NAAQS) for Particulate Matter (PM2.5)
learn more about the 2006 primary and secondary particulate matter National Ambient Air Quality Standards for PM2.5 and PM10 by reading the rule summary, rule history, and supporting documents
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Sulfur Dioxide (SO2) Primary Air Quality Standards - Litigation Associated with Current Review
Litigation associated with the current NAAQS review may involve schedules for the review as well as challenges to the final decisions, and court decisions in these matters.
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Nitrogen Dioxide (NO2) Primary Air Quality Standards - Litigation Associated with Current Review
Litigation associated with the current NAAQS review may involve schedules for the review as well as challenges to the final decisions, and court decisions in these matters.
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Substitutes in Ice Skating Rinks
This page contains a searchable/filterable/sortable table of substitutes listed acceptable for use in ice skating rinks.
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Laboratory Services and Applied Science Division
The state-of-the-art laboratory is occupied by by the Region 4 Science and Ecosystem Support Division (SESD).
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Third-Party High Performance Building Certifications at EPA
This page contains a list of Third-Party High Performance Building Certifications at EPA.
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Substitutes in Commercial Ice Machines
This page contains a searchable/filterable/sortable table of substitutes listed acceptable for use in commercial ice machines.
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Cross-Media Electronic Reporting Rule (CROMERR)
Cross-Media Electronic Reporting Regulation (CROMERR) sets performance-based, technology-neutral standards for systems that states, tribes, and local governments use to receive electronic reports from facilities they regulate under EPA-authorized programs.
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Substitutes in Cold Storage Warehouses
This page contains a searchable/filterable/sortable table pf substitutes listed acceptable for use in cold storage warehouses.
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Substitutes in Positive Displacement Chillers
This page contains a searchable/filterable/sortable table of substitutes listed acceptable for use in positive displacement chillers.
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Substitutes in Centrifugal Chillers
This page contains a searchable/filterable/sortable table of substitutes listed acceptable for use in chillers.
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Substitutes in Phenolic Insulation Board and Bunstock
This page describes the substitutes that are acceptable and unacceptable for phenolic insualtion board and butstock.
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Substitutes in Rigid Polyurethane and Polyisocyanurate Laminated Boardstock
This page contains the acceptable, acceptable with caveat, and unacceptable substitutes for rigid foam laminate board.
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Substitutes in Polystyrene: Extruded Boardstock and Billet
This page contains the list of acceptable/unacceptable substitutes for extruded boardstock and billets
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How to Access the TSCA Inventory
This page provides of the non-confidential Toxic Substances Control Act Inventory (“TSCA Inventory”) for users to download and help using the files provided for download by the EPA.
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Substitutes in Rigid Polyurethane: Slabstock and Other
This page lists the acceptable/unacceptable substitutes for rigid polyurethane and other uses