Water Quality

ALL4’s Texas 2023 Look Ahead

Posted: January 25th, 2023

The new year is upon us, and ALL4 is looking forward to the changes and challenges it will bring. Whether the concerns are related to air, water, waste, or health and safety, we are here to assist and find solutions […]

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Look Ahead: Water Regulations and Guidelines in 2023

Posted: January 19th, 2023

The poet Samuel Taylor Coleridge coined the phrase “Water, water everywhere, nor any drop to drink” in the poem The Rime of the Ancient Mariner.   In recent years we have seen regulations and legal challenges that have left industry feeling […]

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2023 Look Ahead

Posted: January 11th, 2023

Part 1 EHS&S Look Ahead // Colin McCall Greetings from ALL4 in 2023.  I’d like to start the year once again by thanking our employees, clients, and partners for the support and for enjoying the journey with us.  We never […]

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Michigan Court Rejects State PFAS Regulations

Posted: December 28th, 2022

In November of 2022, the State of Michigan Court of Claims ruled in favor of the 3M Company (3M), agreeing that the State issued a deficient regulatory impact statement when enacting drinking water standards for seven perfluoroalkyl and polyfluoroalkyl substances […]

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U.S. EPA Proposes to Remove TRI De Minimis Exemption for PFAS

Posted: December 15th, 2022

On December 5, 2022, U.S. Environmental Protection Agency (U.S. EPA) released a proposed rule pursuant to the National Defense Authorization Act (NDAA) for Fiscal Year 2020 which adds per- and polyfluoroalkyl substances (PFAS) to the list of “Lower Thresholds for […]

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Drinking Water and the CCL5

Posted: November 15th, 2022

The United States Environmental Protection Agency (U.S. EPA) has recently published an update to the Contaminant Candidate List (CCL) – this is the fifth time this list has been updated since it was first published in 1996, making this the […]

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Kentucky Publishes Fish Testing Report on PFAS Levels

Posted: November 8th, 2022

On Friday, September 9th, the Kentucky Energy and Environment Cabinet (Cabinet) published their Interim Report on Initial Fish Tissue Results for Per- and Polyfluoroalkyl Substances (PFAS). This is the latest communication on the presence of PFAS in the waters of […]

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The Clean Water Act Turns 50!

Posted: October 14th, 2022

Introduction In the summer of 1969, the Cuyahoga River in Ohio had an oil slick significant enough to catch fire when sparks from a nearby train ignited the oil. Since 1868, this was the 13th time the Cuyahoga River had […]

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U.S. EPA Proposes PFAS CERCLA Hazardous Substance Designation

Posted: September 14th, 2022

On September 6, 2022, the United States Environmental Protection Agency (U.S. EPA) published the proposed rule “Designation of Perfluorooctanoic Acid (PFOA) and Perfluorooctanesulfonic Acid (PFOS) as CERCLA Hazardous Substances.” Under the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 […]

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West Virginia v EPA – What Does It Mean?

Posted: September 1st, 2022

On June 30, 2022, the Supreme Court of the United States released their decision on West Virginia v Environmental Protection Agency (EPA), a 6-3 ruling in favor of the petitioners. The majority opinion agreed with the petitioners who argued that […]

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