Environmental Industry Articles

Air & Climate

SO2 NAAQS Implementation: The Great American Update

SO2 NAAQS Implementation: The Great American Update

Since the 1-hour sulfur dioxide (SO2) National Ambient Air Quality Standard (NAAQS) became effective in August 2010, ALL4 has been tracking it every step of the way.  Its implementation has proven to be chaotic at times and quiet at ...


Energy & Renewables

World Wind Power Poised to Bounce Back after Slowing in 2013

World Wind Power Poised to Bounce Back after Slowing in 2013

At the end of 2013, the wind farms installed in more than 85 countries had a combined generating capacity of 318,000 megawatts, which would be enough to meet the residential electricity needs of the European Union’s 506 million ...


Environmental Management

Materiality Assessment for Dummies

Materiality Assessment for Dummies

When I started to work in the area of sustainability, I had no idea what a materiality assessment was, and what all the acronyms like GRI and SASB meant. It occurred to me I probably wasn’t the only one, and now that materiality ...


Health & Safety

9 Things Your Respiratory Protection Program Must Include

9 Things Your Respiratory Protection Program Must Include

Many think that getting a respirator fit test is all that is needed.  Unfortunately, it’s much more than that. The OSHA Respiratory Protection Standard 29 CFR 1910.134 has many requirements in addition to respirator fit ...


Monitoring & Testing

Ultrasonic Testing For Non Destructive Testing

Ultrasonic Testing For Non Destructive Testing

Ultrasonic Testing or UT as its known has programs in a wide range of sectors, from aerospace, automobile, to substance, oil, large storage space, and power creation and overseas. UT is aspect of a selection of techniques known as NDT (Non ...


Soil & Groundwater

Crosshole resistivity survey case study

Crosshole resistivity survey case study

Crosshole surveys are used when two or more boreholes are present for the maximum imaging accuracy for the cross-section between respective boreholes. Crosshole survey to find an aquifer zone This crosshole survey was configured to find ...


Waste & Recycling

Europe’s objective: recycle more waste and send less to landfills

Europe’s objective: recycle more waste and send less to landfills

Is waste a problem or a resource? Waste is both, depending on what we do with it. It is a problem because it can affect people’s health and the environment. For example, landfills are an important source of methane emissions, which ...


Water & Wastewater

Wastewater treatment plant monitors Greenhouse Gas emissions

Wastewater treatment plant monitors Greenhouse Gas emissions

Globally, little attention is paid to gaseous emissions from wastewater treatment processes. This contrasts greatly with the regulatory monitoring that is applied to the quality of water emissions from such facilities. However, in ...


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