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Welcome to Cornerstone's blog, which is devoted to providing useful information to our clients and industry professionals.

Our talented staff of bloggers will offer brief, thoughtful pieces on the topics facing our industry today.

CornerPost will feature tips and tools, lessons learned, observations about major conferences, and much more.

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Archive for the ‘Uncategorized’ Category

3 August 2018

Emerging Contaminants and Landfill Leachate – Understanding the data and managing landfill performance

Gary J. DiPippo, P.E. & Kirstie L. Shurie Cornerstone Environmental Group, LLC – A Tetra Tech Company   Recently, we’ve been thinking about emerging contaminants and landfill leachate. At the April 2018 NJ SWANA and the May 2018 Federation of New York Solid Waste Associations conferences, we had the opportunity to be part of presentations…

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Categories: Environmental Planning & Compliance, Landfill Engineering and Design, Solid Waste, Uncategorized
Posted By Gary DiPippo, PE at 9:53 AM  |  1 Comment on Emerging Contaminants and Landfill Leachate – Understanding the data and managing landfill performance

27 March 2018

March 22, 2018

Cornerstone client Sussex County Municipal Utilities Authority was recently presented with the Association of Environmental Authorities’ 2018 Wave Award for Forward Thinking for its plan to increase its landfill lifespan and capacity using a mechanically stabilized earth (MSE) berm. Shown here is Mark Swyka who joined SCMUA Chair Tom Madsen at the podium to receive…

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Categories: News & Events, Uncategorized
Posted By ceg-web at 11:13 AM  |  No Comments on March 22, 2018

15 August 2017

August 1, 2017

EPA administrator issues 90-day stay of Landfill NSPS – what does it mean? EPA’s recent 90-day stay on the NSPS XXX/Cf rules issued by Scott Pruitt, administrator of the Environmental Protection Agency, pauses the timeline on implementing the NSPS XXX/Cf rules. The stay runs from May 31, 2017 through August 29, 2017. Learn more here…

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Categories: News & Events, Uncategorized
Posted By ceg-web at 2:28 PM  |  No Comments on August 1, 2017

16 March 2017

March 16, 2017

It’s that time of year again! This time we’re packing our bags and heading to Reno, Nevada for 2017 SWANAPalooza! March 27 – 30, 2017 We’re off to Reno, Nevada! It’s SWANAPalooza time and we’re excited to see you there. Make sure to stop by our booth (#323), we’ll be exhibiting with our parent company,…

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Categories: News & Events, Uncategorized
Posted By ceg-web at 11:48 AM  |  No Comments on March 16, 2017

2 February 2017

February 2, 2017

Leading the charge in anaerobic digestion… Cornerstone and its parent company Tetra Tech were recently mentioned in MSW Magazine as the leaders in the anaerobic digester project planning with an emphasis on RNG systems. Written by Daniel P. Duffy, “Waste In, Energy Out: The Costs and Benefits of Anaerobic Digesters”, the article focuses on the…

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Categories: News & Events, Uncategorized
Posted By ceg-web at 11:08 AM  |  No Comments on February 2, 2017

23 January 2017

January 23, 2017

  Cornerstone is exhibiting and sponsoring at the Wisconsin Integrated Resource Management Conference! You can find us in the exhibit hall located here. Also, don’t miss out on our presentations. We’ll be presenting on: Thursday: Planning for Phased Capping, Tyler Field Challenges of Exhuming a Superfund Landfill, Mark Torresani Friday: Turning LFG into RNG and Selling…

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Categories: News & Events, Uncategorized
Posted By ceg-web at 11:03 AM  |  No Comments on January 23, 2017

18 January 2017

January 18, 2017

  Don’t miss Cornerstone’s landfill expert Rob Sochovka’s article published in Waste Dive!  In his article, How industry changes will affect operational optimization of landfills, Sochovka discusses the inevitable that changes across the waste industry that will have major effects on the overall industry approach to optimizing landfill operations. Options for increasing landfill densities and compaction are huge game…

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Categories: News & Events, Uncategorized
Posted By ceg-web at 10:07 AM  |  No Comments on January 18, 2017

21 December 2016

December 20, 2016

  Cornerstone’s BioCNG RNG expert, Mark Torresani proudly accepted an Energy Vision Leadership Award at the Ramscale Studio Penthouse in New York City on October 13th. Awards were given out to pioneers working to advance the Renewable Natural Gas industry in the US. They included Impact Bioenergy, AgEnergy USA and EDF Renewable Energy’s Heartland Biogas project, Louisiana’s St. Landry Parish…

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Categories: News & Events, Uncategorized
Posted By ceg-web at 9:51 AM  |  No Comments on December 20, 2016

14 April 2016

April 14, 2016

Cornerstone’s senior hydrogeologist and client manager, William Soukup, was recently quoted in Waste 360’s article “High-Tech Biological Systems Show Promise in Treating Leachate.”  In the article, high-tech biological systems that use specialized bacteria are discussed as promising candidates for leachate treatment, according to industry experts like Soukup.       Read the full article here….

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Categories: News & Events, Uncategorized
Posted By ceg-web at 12:29 PM  |  No Comments on April 14, 2016

11 May 2015

May 11, 2015

    Upcoming SWANA eLearning Session with Cornerstone’s Executive Vice President, Michael Michels, P.E.! In Today’s Market, Why is HBTU the Best Use of Your Biogas? Presented by: Michael Michels, P.E., Executive Vice President, Cornerstone Environmental Group, LLC Due to the low offers for electric power purchase agreements in recent years, high BTU (HBTU) projects…

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Categories: News & Events, Uncategorized
Posted By ceg-web at 11:49 AM  |  No Comments on May 11, 2015