Risk Assessment

We work closely with our valued partner, Intrinsik Environmental Sciences, to bring you a comprehensive solution that includes the following Risk Assessment Services:

Ecological risk assessment
Registration, re-registration, and stewardship of agrochemicals
Endangered species risk assessment
Pollinator services
Regulatory and legal support services
Public consultation and communication
Refined exposure modeling
Population modeling (with our partners Integral Consulting, Inc.)

Pollinator Services

Featured Staff

Les Carver Foundation Team Leader, Senior Hydrogeologist

Jennifer Cypher Quality Assurance Manager

John Hanzas President / Agrochemical Fate & Exposure Service Leader / Senior Geoscientist

Hendrik Rathjens, Ph.D. Senior Environmental Modeler

Marco Propato, Ph.D. Environmental Modeler

Michael Winchell Vice President / Environmental Systems Modeling Service Leader / Senior Environmental Modeler

One contact gets you the full service team of Stone and Intrinsik. Contact Us Today.

Recent News

Apr 3, 2023

Stone recognized as a Best Place to Work in Vermont 2023

We celebrated amongst some of the best last week at the 2023 Best Places to Work in Vermont awards event. Thank you to all of our employee-owners who work with intention to make Stone one of the best places to work day in and day out!
Dec 6, 2022

Register Today for Modeling Ecological Risks of Agricultural Pesticides Course

Stone Environmental, Inc. (Stone) and Intrinsik Corp. (Intrinsik) have again teamed to offer their Modeling Ecological Risks of Agricultural Pesticides course in Orlando, Florida, February 15 - 17, 2023.
Mar 23, 2021

Stone Welcomes New Quality Assurance Manager Jenn Cypher

Stone's excited to welcome Jennifer Cypher as its newest Quality Assurance Manager.
Jul 24, 2020

Stone Named a Best Place to Work for 2020

Stone's employee owners are proud to announce Stone Environmental's recognition as one of the Best Places to Work in Vermont for the second year in a row! The annual statewide survey and awards program from Vermont Business Magazine was created in 2006 to identify, recognize and honor the best places of employment in Vermont, benefiting the state's economy, its workforce and businesses. In lieu of an awards ceremony, Stone's employee-owners produced a short video describing the unique culture of our company. We're proud of this award and look forward to next year.
Oct 31, 2019

Meet the newest members of Stone's Environmental Assessment and Remediation Services team!

We are pleased to share that we are continuing to expand our team of environmental professionals serving Vermont! Please help us in welcoming Staff Scientist Summers Long, Staff Scientist Laura Rajnak, and Staff GIS Scientist Heather Cox to our Environmental Assessment and Remediation Services team in Montpelier, Vermont!
Sep 18, 2019

Our office building's gone solar!

We are thrilled to show off our new solar panels, expertly installed by our friends at SunCommon! We are always eager to support the movement toward cleaner, more sustainable energy as a long-term investment in the future of our community, and the addition of solar panels at our office in Montpelier was a natural step in that direction. A big thank you to SunCommon and Steve Ribolini of RiverStation, LLC for working with us to reduce our environmental footprint and bring solar power to 535 Stone Cutters Way!
Aug 6, 2019

Stone Receives Esri's Special Achievement in GIS (SAG) Award for "Access Montpelier" ArcGIS Hub Site

During this year's Esri User Conference, Stone received a Special Achievement in GIS (SAG) Award in recognition of our work on the "Access Montpelier" ArcGIS Hub Site for the City of Montpelier, Vermont. Access Montpelier is a community engagement website where the public can view learn, understand, and contribute to the operations of city government. It also allows citizens to access and use the city's information resources on their own. Click for more information.
Jul 9, 2019

Stone Environmental Accepts ACEC-VT Engineering Excellence Award for Oak Street Neighborhood Project

In June, Stone Environmental accepted an Engineering Excellence Merit Award from the American Council of Engineering Companies of Vermont (ACEC-VT) for an innovative green stormwater infrastructure design and implementation project for the Oak Street drainage area in St. Johnsbury, Vermont. The project was completed in collaboration with lead engineers from Dufresne Group, with critical support from the Caledonia County Natural Resources Conservation District (CCNRCD) and the Town of St. Johnsbury. The Oak Street Neighborhood Project is the first in Vermont to combine neighborhood-scale green infrastructure with “gray” infrastructure to reduce combined sewer overflow events.
Apr 30, 2019

Stone Welcomes Senior Engineer Peter Lazorchak, PE, LEED AP

Stone Environmental is excited to announce that Peter Lazorchak, PE, LEED AP has joined the company as a Senior Water Resources Engineer. Peter will provide senior leadership for Stone’s growing environmental engineering practice, as well as support Stone’s stormwater management, agricultural engineering, stream restoration, and wastewater management services.
Apr 3, 2019

Barbara Patterson Named Service Line Lead of Stone's Geospatial & Data Solutions Team

Stone Environmental, a national leader in GIS-based spatial analysis and web application development, is excited to announce the promotion of Barbara Patterson to Service Line Lead of Stone’s Geospatial & Data Solutions team.
Mar 26, 2019

Stone Environmental Named One of the 2019 Best Places to Work in Vermont

Stone Environmental was named one of the 2019 Best Places to Work in Vermont by the Vermont Business Magazine, the Vermont Chamber of Commerce, the Vermont Department of Economic Development, the Society for Human Resource Management (SHRM) –– Vermont State Council, and Best Companies Group.
Feb 21, 2019

Stone's Branden Martin & Vermont Report Card Committee Give State Infrastructure a "C"

Project Engineer Branden Martin was part of a presentation at the State House last week for the release of the 2019 Report Card for Vermont's Infrastructure. Read on for more information.
Dec 10, 2018

Stone Welcomes David Abrahamson, PE, PMP

Stone Environmental is pleased to announce that David Abrahamson, PE, PMP has been hired as a Senior Engineer to further develop Stone's Environmental Assessment and Remediation service offerings and environmental engineering services.
Apr 6, 2017

Meet Our New Pollinator Expert!

We're excited to announce that Leif Richardson, Ph.D. has joined the Stone team as a Senior Ecologist, bringing with him over 15 years of experience in diverse aspects of applied ecological and environmental science, including research on impacts of diet chemistry on bees and effects of land management practices on crop pollination by managed and wild bee pollinators.
Aug 4, 2016

Stone/Intrinsik at ACS 2016

The Stone-Intrinsik Team attended ACS 2016 and led 9 platform presentations.

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