Remedial Design
Do You Know How to Dispose of Hazardous Waste?

Do You Know How to Dispose of Hazardous Waste?

In February a New York business and one employee were convicted for violating the New York State Environmental Conservation Law (ECL). The business and employee illegally disposed of hazardous materials and waste at their facility. Both the employee and facility were...

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The Origins of 1,4-Dioxane: How Did It Get Into Long Island’s Drinking Water?

The Origins of 1,4-Dioxane: How Did It Get Into Long Island’s Drinking Water?

Long Island’s groundwater has recently been reported to contain elevated levels of 1,4-dioxane. As discussed in Walden’s recent blog, “How will the 1,4-Dioxane in my Drinking Water Affect my Health?", 1,4-dioxane, a probable cancer causing chemical, has been detected...

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How will the 1,4-Dioxane in my Drinking Water Affect my Health?

How will the 1,4-Dioxane in my Drinking Water Affect my Health?

The presence of 1,4-dioxane in drinking water has recently been a topic of public concern for residents of Long Island, New York. The United States Environmental Protection Agency (USEPA) classifies 1,4-dioxane as a probable human carcinogen, or a likely...

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How Will the Adoption of Amendments to 6 NYCRR Part 597 Affect You?

How Will the Adoption of Amendments to 6 NYCRR Part 597 Affect You?

  On April 25, 2016, Chemical Bulk Storage (CBS) registration requirements at new facilities became mandatory for perfluorooctanoic acid (PFOA-acid), ammonium perfluorooctanoate (PFOA-salt), perfluorooctane sulfonic acid (PFOS-acid), and perfluorooctane sulfonate...

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An Eco-Friendly Approach to Coastal Resiliency

An Eco-Friendly Approach to Coastal Resiliency

20:00, October 29, 2012: The eighteenth named storm of the year, Hurricane Sandy made landfall on the coastline of southern New Jersey. This shift left Long Island and the New York metropolitan area directly in the path of the stronger, eastern side of the Category 2,...

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Year End Regulatory Updates Part 2

Year End Regulatory Updates Part 2

Mold Program Update On January 1, 2016 New York State Article 32 of Labor Law went into effect.  Before Article 32, there were no controls on contractors performing mold-related services.  Some contractors were therefore able to take advantage of their customers by...

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Year End Regulatory Updates Part 1

Year End Regulatory Updates Part 1

Proposed Part 360 Regulations In early 2016, the NYSDEC proposed significant changes to New York State regulations regarding previously unregulated facilities, activities, and waste streams within the existing Part 360 solid waste management program. The proposed...

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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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