Environmental Industry Articles

Air & Climate

U.S. EPA`s Proposed Greenhouse Gas Standards for the Utility Industry - How Powerful Are They?

U.S. EPA`s Proposed Greenhouse Gas Standards for the Utility Industry - How Powerful Are They?

A major event in the Climate Change arena occurred on March 27, 2012 when, for the first time, U.S. EPA proposed Standards of Performance for New Stationary Sources (NSPS) for emissions of carbon dioxide (CO2).  The proposed standards ...


Energy & Renewables

The Emerging Power of Microgrids

The Emerging Power of Microgrids

Over many decades, the centralized power grid — a one-way flow of electricity, generated by large, remote power plants and distributed over miles of transmission lines to homes and businesses — succeeded in delivering ...


Environmental Management

The End of Sustainability

The End of Sustainability

The time has come for us to collectively reexamine — and ultimately move past — the concept of sustainability. The continued invocation of sustainability in policy discussions ignores the emerging realities of the Anthropocene, ...


Health & Safety

Avoid common mistakes when buying a decibel meter

Avoid common mistakes when buying a decibel meter

Why it pays to avoid quick fix solutions when it comes to noise monitoring Whether you run or own a construction site, a metal cutting workshop or an open cast mine, as an employer of a noisy working environment, you must ensure that the ...


Monitoring & Testing

Nutrient analysis system keeps wastewater plant in control case study

Nutrient analysis system keeps wastewater plant in control case study

Problem The Denver, Colo., Metro Wastewater Reclamation District wanted near real-time nutrient analysis for a very challenging headworks wastewater aeration process, consisting of a combination of centrate and RAS. The centrate and RAS ...


Soil & Groundwater

NAVFAC - Dense Non Aqueous Phase Liquid (DNAPL) Removal from Fractured Rock Using Thermal Conductive Heating (TCH) - Case Study

NAVFAC - Dense Non Aqueous Phase Liquid (DNAPL) Removal from Fractured Rock Using Thermal Conductive Heating (TCH) -  Case Study

The removal of Dense, Non-Aqueous Phase Liquids (DNAPLs) and associated dissolved phase compounds is challenging in fractured rock given permeability, matrix diffusion, and fracture connectivity issues. Modeling, laboratory treatability ...


Waste & Recycling

IPEX Plenumline Acid Waste System helps North Carolina State University in Comprehensive Renovation

IPEX Plenumline Acid Waste System helps North Carolina State University in Comprehensive Renovation

North Carolina State University in Raleigh, N.C. was founded in 1889 and currently enrolls close to 30,000 undergraduate students. Even from its historic beginning, this century old university has managed to remain 'modern1 in an effort to ...


Water & Wastewater

Apartment Water Test - Case Study

Apartment Water Test - Case Study

We had successfully mitigated this exact situation at another property (Family Tree Apartments] which also had extensive pin hole leaks and water heater failures. Based upon this prior exceptional success, it was clear that the H20 ...


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