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Shifting Standards for Particulate Matter

Under the Clean Air Act, an area designated for nonattainment for an NAAQS must develop and submit a State Implementation Plan (SIP). This document serves as a comprehensive, enforceable roadmap demonstrating how the area will come into compliance. For the 2024 PM2.5 standard, nonattainment area SIPs will be due within 18 months of the effective designation date, which was expected in February 2026.

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The Opportunity Beneath Our Feet: Carbon Capture and Sequestration and the Practical Path Toward Decarbonization

As industries and governments face increasing pressure to reduce emissions and meet ambitious climate goals, carbon capture and sequestration (CCS) has emerged as a promising, if complex, solution. At its core, CCS treats carbon dioxide (CO2) emissions as a waste stream by capturing CO2 and permanently storing it deep underground.

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How to Select a Diving Contractor

Selecting a qualified diving instructor or contractor is critical, as commercial diving is an inherently dangerous activity with significantly higher risks of injury and fatality than many other occupations. Before hiring, verify that the instructor meets applicable OSHA and ADCI standards, has the appropriate credentials and training, and maintains properly calibrated and maintained life-support diving equipment.

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Fenceline Monitoring: How Data Impacts and Informs the Community

Most people think of fenceline monitoring as a robust answer to regulatory requirements. And while technically that may be true, it also can be a lot more than that. Fenceline monitoring may have begun as a method to measure and prove compliance, but beyond that, it’s become a valuable, real-time accountability system that connects facilities to the communities around them, regulators to the data they need to do their jobs, and project teams to real-time, site-specific conditions.

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New Metals Monitoring Rules Are Coming Under AB 2851

California's AB 2851 is set to reshape how metal shredding facilities monitor air quality at their fencelines. In this Spheros webinar, senior air quality scientists Josette Marrero, PhD and Ryan Moffet, PhD break down what the new law means, how regional air districts are implementing it, and how facilities can get ahead of the requirements. 

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