Environmental Industry Articles

Air & Climate

March Madness - NAAQS Update

March Madness - NAAQS Update

You have seen ALL4 documenting the corresponding evolution of the NAAQS levels since the current U.S. EPA administration started in January 2009, and we will continue to follow them closely and provide you with updates that we think are ...


Energy & Renewables

Brazil transmission: what impact on O&M?

Brazil transmission: what impact on O&M?

Brazilian wind developers may increasingly have to factor transmission links into their operations and maintenance (O&M) plans if grid connection delays persist in the market. Bloomberg earlier this year reported that firms such as ...


Environmental Management

Lessons from 2014, Moving on to 2015: Conflict Minerals Reporting Continues

Lessons from 2014, Moving on to 2015: Conflict Minerals Reporting Continues

With 2014 now behind us, the ability to voluntarily opt out of conflict minerals reporting is also gone. After numerous companies declared themselves “DRC Conflict Undeterminable” in 2014 per federal allowance, ...


Health & Safety

doseBadge Builds up a Head of Steam in York

doseBadge Builds up a Head of Steam in York

Here’s the latest case study from Cirrus Research, featuring the world-famous National Railway Museum. See how the doseBadge Noise Dosimeter helps Anna Kavanagh check that her teams are not exceeding their daily noise exposure ...


Monitoring & Testing

How can I make my lab greener? 5 tips to reduce your lab’s carbon footprint

How can I make my lab greener? 5 tips to reduce your lab’s carbon footprint

Many laboratories want to make their operation more environmentally friendly and reduce their carbon footprint. The 5 steps below are a good starting point for simple changes to get closer to being a green lab We’ve been ...


Soil & Groundwater

Safe and Simple Excavation Application Provides Long-Term Treatment, UK

Safe and Simple Excavation Application Provides Long-Term Treatment, UK

In Situ Treatment of Residual TPH Contamination Following Tank Removal Remediation Details Site Type: Petrol Filling Station Project Driver: Site Redevelopment Remediation Approach: Enhanced Aerobic Biodegradation, Excavation ...


Waste & Recycling

WEEE – aren’t materials too precious to lose?

WEEE – aren’t materials too precious to lose?

Chris Oldfield, managing director of UNTHA UK, was interviewed by leading journal MRW magazine recently, on the subject of WEEE. Drawing upon his specialist industry insight he commented on the methodology used to process WEEE and the ...


Water & Wastewater

Steady State Model for Biological P Removal

Steady State Model for Biological P Removal

This steady-state model for biological P removal comes from Biological Phosphorus Removal: Manual for design and operation, published by IWA Publishing (2002). The steady-state bio-P model is represented in an Excel spreadsheet, which can ...


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