4 The record articles

4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.

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So – You Failed a RATA, Now What?

Posted: February 13th, 2024

What’s a RATA? A RATA is a Relative Accuracy Test Audit, and it’s typically performed as an annual audit on a continuous emissions monitoring system (CEMS). A third party brings an independently certified CEMS and hooks it up to your […]

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Annual PM2.5 NAAQS Lowered!

Posted: February 8th, 2024

On February 7, 2024, the United States Environmental Protection Agency (U.S. EPA) made the long-awaited announcement that the annual particulate matter less than 2.5 microns (PM2.5) National Ambient Air Quality Standard (NAAQS) will be lowered from 12 micrograms per cubic […]

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Company-Specific Emission Reduction Plan (cERP), What’s Next?

Posted: February 7th, 2024

Introduction In January 2021 Colorado’s Department of Public Health and Environment (CDPHE) published a Greenhouse Gas (GHG) Pollution Reduction Roadmap meant to greatly reduce statewide GHG emissions. The roadmap was published in response to House Bill 19-1261, the Climate Action […]

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2024 Texas Lookahead

Posted: January 30th, 2024

Texas is a very dynamic state with a robust variety of industries that are faced with unique and cumbersome regulatory requirements.  ALL4 closely follows the actions of the Texas Commission on Environmental Quality (TCEQ) and U.S. EPA Region VI. ALL4’s […]

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OSHA Expanding Protection Laws For Emergency Response Workers

Posted: January 29th, 2024

Emergency Response Rulemaking The federal Occupational Safety and Health Administration (OSHA) has announced that it will publish a proposal in January 2024 to expand and update current safety and health standards for emergency responders. This proposal is an effort to […]

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2024 Look Ahead Part 3

Posted: January 25th, 2024

2024 Look Ahead: Occupational Health and Safety // Victoria Sparks As we look back on 2023, the Occupational Safety and Health Administration (OSHA) was busy – expanding National Emphasis Programs (NEPs), hiring more inspectors, conducting more inspections, and expanding rules […]

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