Presentations and Papers
Delivering papers and presentations prepared by industry experts, Cornerstone demonstrates leadership in the environmental industry.
Cornerstone attends an array of conferences related to the industries we serve, making presentations and delivering papers on a number of issues. We are pleased to share a selection of recent presentations and papers our technical experts have prepared.
Check back periodically for new material.
Anaerobic Digester System Selection for Organics, By Prentiss Shaw
Categorizing anaerobic digester systems and what it categories mean in terms of operational features, development constraints, and end products
Leaping Forward to Energy Recovery – Increasing Your GCCS Output and Removing Sulfur to Bring an Energy Project Online, By Maura E. Dougherty, PE, Paul Stout, PE, Anthony M. Pelletier, PE, W. Todd Whittle
An overview of challenges associated with incorporating all of the design variables for a large project with multiple interested parties, while meeting timelines and meeting compliance requirements.
Let’s Install it Once – Case Study on Caisson Wells, By Kyung J. Kho, P.E., Paul D. Flory, Esq.
Ways to avoid problems when operating GCCS components in active fill areas. Find out how to avoid having repeatedly replace extraction wells and header pipelines.
Landfill Gas System Considerations at High-Btu Landfills, By W. Jay Martin, PE, MS
An interesting examination of some of the challenges and opportunities in operating a project while maintaining both environmental compliance and quality inlet gas.
Alternative Operating Scenarios for Older Landfills Under Title V, By Ray Ramos, Cyndi Neitzel
An overview of an approved alternative operating scenario for an older inactive landfill, which will let the owner operate the gas collection and control system (GCCS) without the limits on oxygen, temperature, and pressure and the complications that go along with them.
Comparison of 1-Dimensional and 2-Dimensional Surface Water Models for Floodplain Delineation and Surface Water Design at Landfill Facilities, By Garth R. Bowers, PE, Carl E. Bueter, PE, Larry Henk
An interesting comparison of one-dimensional and two-dimensional modeling used in siting and design of landfill facilities.
GHG Beyond Reporting, By Kyle Nay
Get the background on GHG rulemaking and learn the significance of the rules, as well as the implications of the new Tailoring Rule that recently went into effect.
Got Organic Waste?
You’ve got gas potential – which can be beneficially used, Presented by Dennis Fenn
Lessons Learned in Working with Financial Institutions and Utilities on Landfill Gas to Energy Projects, By Dennis Fenn and Adam Larky
A great primer on things to watch out for when working on LFGTE projects, covering understanding investors’ goals, educating new investors, contract mechanics and elements of due diligence to consider.
The Negative Effect of Delayed Landfill Closure, By Mark Swyka and Gary DiPippo
An interesting case study on the effect of delayed landfill closure, with information on a 40-acre site with an unlined cell and groundwater contamination. Learn the results of delaying capping, including what happened, what could have happened, and why it’s not a good idea to delay capping, especially where there is evidence of groundwater contamination.
The New Arizona Pollutant Discharge Elimination System (AZPDES) Non-Mining General Permit for Storm Water Discharges, By Craig Young
Learn what these new regulations are and what you need to do to comply with them.
The Carbon Footprint of In-Situ Groundwater Remediation v. Pump & Treat, By Gary J. DiPippo, Joseph J. Nemesh, Thomas P. Hasek, Martin N. Miller
Case study comparing carbon emissions of in-situ vs ex-situ remediation alternatives
Site-Specific Meteorological Data for Dispersion Modeling, By Patrick Switzer, Randy Frazier, Christian Colline
Learn how using quality-assured, site-specific meteorological (MET) data can provide a more realistic estimate of the health risks from exposure to toxic air contaminants than the extremely conservative default MET data typically used.
Direction Change for Waste Transfer in Orange County, By Andrew Schellberg and Brian Ritzinger
Beautiful color photographs documenting construction of this new state-of-the-art transfer station. Learn about the operational improvements that are changing the county’s waste disposal efforts, decidedly for the better.
Transfer Station Retrofits-Changing with the Times, By Ernie Ruckert
See how to keep up with industry changes that affect transfer facilities, including haul distances and truck weights, separate transfer of waste and recyclables, recycling/diversion mandates, the trend towards zero disposal, as well as operational/environmental improvements, and maintenance trends.
Modulo béton, by Andrew Schellberg
Read about this innovative patented system of prefabricated concrete modules for waste management and recycling sites.