Remedial Design
An Introduction to NYSDEC’s DER-10 Technical Guidance for Site Investigation and Remediation

An Introduction to NYSDEC’s DER-10 Technical Guidance for Site Investigation and Remediation

Site investigations are performed when a site is suspected of being contaminated due to historic operations or when a known release of petroleum or chemical products occurs. The objective of such investigations is to determine the nature and extent of contamination in...

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Soil Vapor Intrusion Solutions –  Sub-Slab Depressurization System

Soil Vapor Intrusion Solutions – Sub-Slab Depressurization System

How to Address Soil Vapor Intrusion Discussed in a previous blog (link at the bottom of the page), subsurface contamination can find its way into habitable buildings via minor breaches in a building’s foundation and/or flooring.  Source area removal, or direct removal...

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Groundwater 101: Monitoring Well Installation

Groundwater 101: Monitoring Well Installation

Groundwater Monitoring Well Installation Basics Groundwater monitoring wells are commonly installed at sites that are known to be or suspected to be contaminated by a variety of substances such as petroleum compounds or chlorinated solvents. Groundwater Quality...

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New York State Takes Control of Establishing 1,4-Dioxane And PFOA Drinking Water Standards

New York State Takes Control of Establishing 1,4-Dioxane And PFOA Drinking Water Standards

The presence of 1,4-dioxane in drinking water has been an on-going concern for many residents of Long Island, New York. 1,4-dioxane is a compound that has been used in a variety of industrial, manufacturing and agricultural operations. It readily mixes with water, and...

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