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OUR SERVICES

asbestos

ASBESTOS ABATEMENT

Safe identification and removal of asbestos following strict safety standards

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mold

MOLD REMEDIATION

Effective removal and prevention of mold to ensure a safe indoor environment

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flooring

PCB REMEDIATION

Efficient removal of all types of flooring with minimal disruption

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demoliation

SELECTIVE DEMOLITION

Controlled demolition services for residential and commercial properties

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removal

EMERGENCY SERVICES & DISASTER RESPONSE

Safe handling and removal of contaminated insulation materials

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lead

LEAD ABATEMENT

Professional lead removal

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ABOUT ONE SOURCE NE

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At One Source NE, we specialize in delivering professional environ mental remediation and demolition services designed to create safer, healthier spaces. Our experienced team is dedicated to main taining the highest standards of safety, quality, and regulatory compliance on every project.

We partner with homeowners, contractors, and businesses to provide reliable, efficient solutions tailored to each unique situation. From initial assessment and planning to final execution, our focus is on precision, transparency, and long-lasting results With a strong commitment to excellence and attention to detail, we ensure every project is completed with care, professionalism, and respect for your environment.

OUR SERVICE AREA

We proudly serve clients across all six New England states. Our team is ready to respond quickly and efficiently to projects of any size.

MEET THE TEAM

Philip Trachier

Philip Trachier is the Founder and President of One Source Environmental and has led the company since its inception in 2011. He earned a degree in Business Administration from the University of New Hampshire between 1982 and 1986, and later obtained his MBA from Southern New Hampshire University in 1992.

With more than 35 years of industry experience, Philip has estimated, managed, and completed over $100 million in environmental, demolition, abatement, and decontamination projects. His background includes successfully executing complex, multimillion-dollar projects across commercial, industrial, and occupied environments..

Philip specializes in retail construction and environmental projects, including large-box stores and occupied remodels requiring careful coordination, scheduling, and operational continuity. He also brings extensive experience managing insurance-related emergency response projects ranging from residential losses to large-scale commercial events.

Sean Cassidy

Sean Cassidy has more than 30 years of experience in professional consulting and contracting experience in the fields of environmental, engineering, and construction management. Current responsibilities include managing all aspects of the day-to-day operations of OSE’s Middletown, Connecticut office. Performs client management and project management for asbestos abatement, lead abatement, PCB building materials remediation and other hazardous materials remediation projects for customers throughout New England. Customers include retail and commercial property owners, developers, insurance carriers, colleges/universities, private and public schools, restoration contractors, general contractors, and environmental consultants. Performs business development including sales, estimating projects, and preparing proposals and bid forms. Sean has also provided litigation support and expert testimony on legal matters involving asbestos and mold.

Sean holds a Bachelor of Science in Environmental Management from the University of Rhode Island (1995) and has received hundreds of hours of training in the fields of asbestos abatement and management, lead paint management, mold investigations and remediation, health and safety management, and project management.

Ryan Askham

Ryan Askham is seasoned in construction and general industry-related hazardous materials, with over a decade of experience leading complex, large-scale projects across the environmental and disaster-response sectors. His work includes critical response efforts following major events such as Hurricanes Harvey and Irma, during which he supported time-sensitive operations under demanding conditions.

Ryan has also led teams at two nuclear power facilities, bringing a high level of precision, safety awareness, and regulatory compliance to sensitive environments. He holds a degree in Safety, Occupational Health, and Applied Sciences from Keene State College.

In addition to his field and project experience, he spent three years overseeing operations across New England, managing regional performance, client relationships, and strategic growth. He is known for his ability to execute at scale, navigate complex regulatory landscapes, and deliver reliable results in high-stakes environments.

When Ryan isn't at work, you can find him in the mountains skiing, at the gym, or hiking with his wife and dog.

Contact Us

Let's discuss your project

(603) 458-1482