Laws & Regulations
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2023 HFC Data Hub
Production and consumption of hydrofluorocarbons (HFCs) are being phased down in the United States in accordance with the AIM Act and the Kigali Amendment to the Montreal Protocol.
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2022 HFC Data Hub
Production and consumption of hydrofluorocarbons (HFCs) are being phased down in the United States in accordance with the AIM Act and the Kigali Amendment to the Montreal Protocol.
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Mining Sector Information
Learn about environmental resources for the mining sector.
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SBAR Panel: Formaldehyde Emission Standards for Composite Wood Products
SBAR panel on rule regarding formaldehyde emissions from pressed wood products
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SBAR Panel: Renewable Fuels Standard Program
SBAR panel on proposed rulemaking regarding renewable fuel standards
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NN0031100: Shiprock Water Treatment Unit, Shiprock, New Mexico
NPDES Permit #NN0031100
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Other Actions for the Renewable Fuel Standard Program
Other actions related to RFS petitions for analyses of lifecycle greenhouse gas emissions related to renewable fuel feedstock.
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Historical Permit Fee Rates
This site will provide basic information on clean air permitting under the title V operating permits program, provide access to state and regional permitting programs, and maintain access to proposed and final regulatory requirements. Historical fee rates.
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Port Dolphin LNG Permit Documents
Port Dolphin LNG Permit Documents
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Final NPDES Permit for Morovis-Rio Grande Water Treatment Plant in Rio Grande, Puerto Rico
EPA's NPDES water permit for the Morovis-Rio Grande Water Treatment Plant in Rio Grande, Puerto Rico.
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Final NPDES Permit for Rio Prieto Water Treatment Plant in Yauco, Puerto Rico
EPA's NPDES water permit for the Rio Prieto Water Treatment Plant in Yauco, Puerto Rico.
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Documents Related to Illinois NPDES Program agreement in Illinois
Illinois petition to withdraw the NPDES program. Initial Results of an Informal Investigation of the National Pollutant Discharge Elimination System Program
for Concentrated Animal Feeding Operations
in the State of Illinois -
Documents related to Proposed Consent Agreement and Proposed CAFO against Dillenberger Farms, Inc., CWA-05-2021-0003
Violations of Section 301 of the Clean Water Act (CWA). This Proposed CAFO will settle alleged violations at a site next to Moredock Lake in Monroe County, Illinois.
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Maryland SIP, Volatile Organic Compounds from Specific Processes - Control of VOC Equipment Leaks
Maryland, SIPs, COMAR 26.11.19.16
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Federal Facility Site Definition
How to describe federal facilities in listing packages so that all of the potential sources that EPA considers appropriate to include in the NPL site are, in fact, included.
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Technical Amendments to Procedure 6 - Final Rule
EPA published Procedure 6, which is a companion to Performance Specification 18.
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Method 2H - Flow Rate Measurement with Velocity Decay Near Stack Walls
CFR Promulgated Test Method 2H Determination of Stack Gas Velocity Taking Into Account Velocity Decay Near the Stack Wall.
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Summary of Comments on Test Methods Amendments Proposed in the Federal Register on August 27, 1997
(EPA) proposed amendments to 40 CFR Parts 60, 61, and 63 to reflect miscellaneous editorial changes and technical corrections throughout the parts in sections pertaining to source testing or monitoring of emissions and operations and added Performance Spec
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Performance Specification 8A for Total Hydrocarbon
Performance Specification 8A - Specifications and Test Procedures for Total Hydrocarbon Continuous Monitoring Systems in Stationary Sources