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Innovative Closure of Residual Waste Lagoon Restores Site and Establishes Natural Habitat

Innovative Closure of Residual Waste Lagoon Restores Site and Establishes Natural Habitat

Walden has prepared a Final Certification Report to document the lagoon closure activities performed at a mid-Atlantic paper mill. From 1937 to 1992, the paper mill discharged wastewater with a high total dissolved solids content into an unlined surface impoundment...

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PFOS/PFOA and the Stewart Air National Guard Base: What You Should Know

PFOS/PFOA and the Stewart Air National Guard Base: What You Should Know

On August 12th, 2016, the New York State Department of Environmental Conservation (DEC) listed the Stewart Air National Guard Base in Orange County as a Class 2A State Superfund site.  The Superfund listing was triggered by the State’s determination that Stewart Air...

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PFOA and PFOS are in Drinking Water – What Should I Know?

PFOA and PFOS are in Drinking Water – What Should I Know?

Since the recent discovery of high concentration levels in the Hoosick Fall’s water wells and with Gabreski Air National Guard Base being declared a New York State Department of Environmental Conservation (NYSDEC) State Superfund Site, PFOA and PFOS and their effect...

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Regulatory Update: DSNY will now Regulate Recycling Processing Facilities in NYC

Regulatory Update: DSNY will now Regulate Recycling Processing Facilities in NYC

On September 23, 2016, the New York City Department of Sanitation (DSNY) adopted rules governing new registration requirements for recycling processing facilities in NYC.  As a result, the DSNY will now regulate recycling processing facilities located in New York...

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The Number One Mistake Facilities Can Make with the Title V NYS Air Permit Changes

The Number One Mistake Facilities Can Make with the Title V NYS Air Permit Changes

Effective on June 22, 2016, an amendment was added to The Operating Permit Program (6 NYCRR 482-2). This change in air pollutant regulations mandates that an updated annual fee must be paid by all facilities falling under Title V of the Federal Clean Air Act....

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