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“Cornerstone has an outstanding history for professionalism, high quality work, and technically superior service to its clients”
Tom Hasek, SMI
introduction
Our environmental expertise includes soil and sediment testing, characterization and remediation; preparation of compliance monitoring programs for groundwater, surface water, leachate and landfill gas; solid waste management and recycling plans; design and permitting of landfills, transfer stations, and material recovery facilities; and landfill closure and post‑closure engineering and monitoring services.
With corporate headquarters in Middletown, New York, and an additional 10 offices throughout the United States, Cornerstone has a current staff of approximately 140 environmental professionals. Most of our Middletown office employees reside here in Orange County, enabling ready response to emergent and changing project requirements that may arise in the Village.
We believe that Cornerstone’s Project Team offers the Village of Monroe the best team for achieving the Village’s objectives. Our opinion, in part, is based upon the following considerations:
Environmental Consulting and Engineering is All We Do – Cornerstone is exclusively an environmental consulting and engineering firm. Environmental services are not just one in a long line of services – they are our specialty. Our staff consists of men and women who have, for their full careers, worked in the environmental industry, who know the business and have worked hard to earn a reputation of meeting our client’s objectives.
Client Focused - Cornerstone approaches every project from the perspective of understanding our client’s needs and the background for why these needs are important. Understanding our client’s motives and focusing our design and compliance efforts around those motives is the key to fully satisfying our client’s objectives rather than just providing them with a product.
Commitment – Cornerstone is committed to achieving our client’s goals and objectives. Our staff recognizes the importance of cost-effective solutions to environmental projects and how these projects affect the lifestyle of the people of Monroe and the surrounding County. We live and work here and are committed to working with the Village to incorporate the most economically viable solutions to address the Village’s needs.
Flexibility – Cornerstone brings to the Village of Monroe the asset of flexibility. As a firm we are not encumbered by multiple layers of management or internal parochialism among technical disciplines that make response to client requests or project course modifications difficult or impossible. Rather, Cornerstone’s team share an interest in the company and are empowered to make the decisions and commit the resources necessary to fully execute any environmental project the Village may require assistance with.
Innovation – Our staff has a long and established track record of serving our clients with innovative solutions, firsts, and unique, value-added approaches to their environmental projects.
relevant project experience 1Environmental Engineering Services
Cornerstone’s environmental engineering experience covers the gamut from initial planning, through investigation, permitting, compliance monitoring, remedial actions, construction and post closure monitoring. Successful completion of an environmental project not only requires knowledge of the regulations, and collection and analysis of required samples in a cost-effective manner, but also the experience to collect the applicable data and negotiate with the regulatory agencies for a successful outcome. Cornerstone also has the experience to identify and obtain required permits, develop construction plans, prepare and review bid documents from qualified subcontractors, assemble engineering cost estimates that allow for planning of capital expenditures, provide construction oversight, and maintain documentation for both regulatory requirements and subcontractor payments.
A few representative projects that may be of specific interest to the Village relative to their current needs are briefly highlighted below, with additional projects and details provided in Appendix C.
Project Name Confidential Client, Jersey City, New Jersey
Contact Name/Phone Number
Project Start/End Dates
Contract Value
 Cornerstone assisted a Fortune 100 industrial Client with the characterization and remediation of sediment impacts in the Hackensack River. Investigation activities included defining the discharge location of a chromium plume beneath the Hackensack River through the collection of groundwater samples below the river sediments, the collection of pore water samples within the sediments, and the collection of sediment samples to develop a vertical profile of sediment quality. Sampling was conducted off of barges moored within the river at pre-determined locations.
Cornerstone also assisted with construction oversight and quality assurance/quality control sampling for capping of sediments as part of the selected remedy. In addition, Cornerstone developed a groundwater extraction and treatment system including extraction well details, force mains and modification of an existing treatment plant, developed and calibrated a three-dimensional groundwater flow and transport model, and is currently implementing an in-situ mass removal effort through the injection of a reductant.
Cornerstone continues to serve as the groundwater technical lead for long-term monitoring and operations associated with remediation and redevelopment of the site.
Orange County Transfer Stations
Contact Name/Phone Number
Project Start/End Dates
Contract Value
 Cornerstone has assisted Orange County with permitting, design and construction of transfer stations in Goshen and Newburgh, NY. Services have included minor and major permit modifications, storm water and leachate management, contingency plans, facility design and optimization, construction bid documents, including detailed construction drawings, technical specifications and engineering cost estimates, construction oversight and construction certification. In the case of the Goshen facility, the construction was phased so that the existing facility remained operational throughout construction of the new facility.
Cornerstone continues to assist Orange County with various engineering and permitting needs as they arise.
Sussex County Landfill
Contact Name/Phone Number
Project Start/End Dates
Contract Value
 Sussex County Landfill located in northeastern New Jersey serves the disposal needs of the people of Sussex County. This facility is comparable to the Cape May County Phase 2G project for a number of reasons. At this facility Cornerstone has prepared several successful construction document packages and overseen and certified the construction activities. In addition, Cornerstone is in the process of permitting a perimeter berm as a component of a Major Permit Modification for landfill expansion.
Warren County District Landfill
Contact Name/Phone Number
Project Start/End Dates
Contract Value
 Warren County District Landfill located in northwestern New Jersey serves the disposal needs of the people of Warren County. This facility is comparable to the Cape May County Phase 2G project for a number of reasons. At this facility Cornerstone has prepared several successful construction document packages and provided construction oversight and engineering certification. Additionally, at this site our staff designed and permitted an all-geosynthetic, double-composite landfill baseliner identical to the landfill baseliner system for Cape May Phase 2G.
Marana Regional Landfill – Siting and Zoning
MARANA, Arizona
Contact Name/Phone Number
Project Start/End Dates
Contract Value
 The Cornerstone project team was selected to provide assistance to DKL Holdings with siting and technical services during the rezoning process for a “green field" municipal solid waste landfill site located in Marana, Arizona. Cornerstone assisted DKL with evaluation of siting criteria for potential properties to be considered for landfill development and performed a “fatal flaw” analysis of the selected site against location restriction criteria.
The results of this initial work indicated that the proposed site was favorable for landfill development. DKL retained Cornerstone to provide technical assistance with annexing the site into the Town of Marana municipal limits and with the rezoning process. Cornerstone developed a conceptual site development plan; performed analyses of potential surface water, groundwater, and visual impacts from the project to respond to comments from staff, elected officials, and members of the public; developed airspace and soil balance analyses for the proposed landfill area; participated in a day-long public information open house; and provided testimony and answered questions at public meetings of the Town of Marana Planning & Zoning Commission and Town Council.
The Marana Town Council approved annexation of the site and additional adjacent properties into the Town of Marana on May 18, 2010. The Marana Town Council approved the rezoning of the 591-acre landfill site as a Specific Plan on November 3, 2010.
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