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Day: June 8, 2026

420R26011 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes Regulatory Impact Analysis

By AdministratorIn Earth monitoringPosted June 8, 2026

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452R26001 Regulatory Impact Analysis for the Final Standards of Performance for New Stationary Sources and Emission Guidelines for Existing Sources: Large Municipal Waste Combustors

By AdministratorIn Earth monitoringPosted June 8, 2026

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815R10001 Economic Analysis for the Proposed Revised Total Coliform Rule

By AdministratorIn State NewsPosted June 8, 2026

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Recent Posts

  • 454R26002 Development of the Expedited Modeling of Burn Events Results (EMBER) Datasets for 2021, 2022, 2024, and 2025
  • 420B26022 Independent Vehicle Emissions Testing Laboratory Listing
  • 542R21001 Review of Peer-Reviewed Documents on Treatment Technologies Used at Mining Waste Sites
  • 420F26009 EPA Delays Unattainable Biden-era Tier 4 Criteria Pollutant Standards for Light-Duty and Medium-Duty Vehicles
  • 420D26001 Revision of Tier 4 Criteria Pollutant Standards, Part 1: Amendments to Phase-In Schedule for Light-Duty and Medium-Duty Vehicles. Draft Regulatory Impact Analysis

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Operational Precision Systems

OPS aims to provide cost effective methods to monitor critical national infrastructure.

Latest News

454R26002 Development of the Expedited Modeling of Burn Events Results (EMBER) Datasets for 2021, 2022, 2024, and 2025
August 13, 2026
420B26022 Independent Vehicle Emissions Testing Laboratory Listing
July 16, 2026
542R21001 Review of Peer-Reviewed Documents on Treatment Technologies Used at Mining Waste Sites
July 16, 2026

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