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Safeguarding The Built Environment Since 1983

Management Team

John Hartman

John Hartman
President and Partner


Barb King

Barb King
Vice President of Operations


Mark Andrechik

Mark Andrechik
Environmental Consulting Projects Manager


Dan Kylor

Dan Kylor
Operations Manager


Elio Cirilo

Elio Cirilo
Senior Estimator


Iber Guerrero

Iber Guerrero
Project Manager


Morgan Hoenninger

Morgan Hoenninger
Administrative Support


Alex Henriquez

Alex Henriquez
Project Manager


Rachel Skaggs

Rachel Skaggs
Accounting & Human Resource Manager


Colleen Landis
Estimating Coordinator & Admin


Chris Haldeman
Warehouse & Fleet Manager


Jessenia Collado
Administrative Support


Art Oster
Duct Cleaning Manager


Michael Reed
Chief Financial Office


John Hartman

President and Partner

jhartman@ehcassociates.com


John has been with EHC since 1988; first as an air monitoring technician and has advanced to become President and Partner in the firm. His education in architectural design and numerous environmental certifications have given John the understanding and expertise to maintain the level of service we require of ourselves. John is considered an expert in the field of asbestos, lead, and mold (as it pertains to the built environment). John has designed many large scale abatement and remediation projects for both our Consulting and Abatement divisions.   John currently holds the following certifications/ training certificates: Project Designer, Asbestos Management Planner, Asbestos Building Inspector, Asbestos Supervisor, Lead Supervisor, Lead Risk Assessor, Lead Inspector, RRP, NIOSH 582, OSHA 10, Environmental Auditor, Certified Indoor Environmentalist, CPR, AED, First Aid, Fork Lift, Scissor Lift, and Boom Lift training.

Barb King

Vice President of Operations

bking@ehcassociates.com


Joining the company in 1986 with an Associate’s Degree in Business Management, Barb played a key role in the development of EHC’s AHERA Management Plan Program as well as the development of administrative procedures. She has a strong understanding of project goals, deadlines and financial boundaries. She acts as liaison between the Partners, Management, and Clients, using all available resources to ensure compliance with specification and governing regulations, while ensuring superior customer service.

Mark Andrechik

Environmental Consulting Projects Manager


Mark graduated from Shippensburg University in 2011 with a degree in Geoenvironmental Studies. He has been working in the environmental consulting field for the past 5 years.  He has experience with asbestos and mold sampling, storm-water management (including creating SPCC and SWPPP Plans), Phase I/II Environmental Site Assessments and remedial site investigations throughout PA and NJ; including oversight and sampling of above-ground and under-ground storage tank removals.

Dan Kylor

Operations Manager

dkylor@ehcassociates.com


Dan joined EHC in early 2011. His mastery of carpentry and construction is an asset to EHC, and allows us to provide top quality craftsmanship on our lead rehabilitation and mold remediation projects. Dan’s service in the U.S. Army has benefited our employees on projects with his superior leadership skills.   In addition to his construction background, Dan holds the following certifications/ training certificates: Asbestos Supervisor, Asbestos Building Inspector, RRP, Lead Worker, NIOSH 582, OSHA 30, OSHA 10, CPR, AED, First Aid, Fork Lift, Scissor Lift, and Boom Lift training.

Elio Cirilo

Senior Estimator


Elio was discovered by EHC while he was volunteering at his local church; as soon as EHC management met him he was offered a position due to his superb work ethic and attention to detail. He is currently running large projects for our abatement division. He is also bilingual in English and Spanish. Elio holds the following certifications/ training certificates: Asbestos Supervisor, Lead Worker, OSHA 30, CPR, AED, First Aid, Fork Lift, Scissor Lift, Boom Lift training and he has Competent Person Fall Protection Training.

Iber Guerrero

Project Manager

iguerrero@ehcassociates.com


Iber joined EHC Associates in 2007, and currently supervises environmental remediation projects. He brings over 20 years of environmental remediation experience and bilingual capabilities to the company. His quality control standards are second to none. When he’s not hard at work, he’s either making his famous Ecuadorian ceviche or watching soccer. Iber holds the following certifications/ training certificates: Asbestos Supervisor, Lead Worker, OSHA 10, CPR, AED, First Aid, Fork Lift, Scissor Lift, and Boom Lift training.

Morgan Hoenninger

Administrative Support

morgan@ehcassociates.com


Morgan joined ehc in June of 2016.  She keeps things running smoothly and ensures the field staff has the proper paperwork.  Morgan is also one of the friendly voices you may hear when you call us.

Alex Henriquez

Project Manager


Alex joined ehc in 2016, he moved to the United States from Dominican Republic in 2004.  He has a passion for sports especially baseball. He played baseball throughout his childhood and teenage years in Dominican Republic. When moved to the U.S.A he was unable to pursue baseball because he decided to work to help his family move on and progress. His first job was at at buffet restaurant as a dishwasher. In 2007 he started working at a distribution company where short after he became a supervisor, in 2014 he was forced to find another job due to this company shutting down. He became a furnace operator at a foundry in Lancaster city. Alex with so much eager and a drive to progress he obtained his asbestos supervisor license and started employment with ehc.  Alex also takes time out to help and participate with the youth in his community, he is a volunteer baseball coach for the Lancaster REC. And also coaches and manages a softball traveling team in an organization by the name quisqueyanos Latinos since 2011. He is also the sports secretary of the organization since 2014.

Rachel Skaggs

Accounting & Human Resource Manager


Colleen Landis

Estimating Coordinator & Admin


*Bio coming soon!

Chris Haldeman

Warehouse & Fleet Manager


Jessenia Collado

Administrative Support


*Bio coming soon!

Art Oster

Duct Cleaning Manager


*Bio coming soon!

Michael Reed

Chief Financial Office


Your customers don’t care how much you know until they know how much you care.

~ Damon Richards

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Our Google Reviews

EHC did a ton of work at my home, it spanned several days, over a few weeks. Each time they arrived, Pedro and his team were extremely courteous, professional, safe, and CARING. We are incredibly happy with the work they did, and were consistently impressed how they balanced being friendly and helpful, while also not interrupting our daily life(i'm a stay at home mom with a very active kiddo and pets). We always felt safe with Pedro's team, we always felt cared for, and have already recommended EHC to several neighbors and friends. Thank you!
Melinda LaBeau
Melinda LaBeau
15:32 17 Mar 26
My company Emulous Tech Solutions recently had the privilege of working with EHC on a technical project. Their staff was knowledgable, helpful, and responsive. I greatly appreciate their working with us to complete the project. I would highly recommend for service. Thank you!!
Mike C
Mike C
20:46 25 Feb 26
I had a nightmare experience with mold that was hidden throughout a home I purchased. Elio and his team performed an extensive inspection and remediation, and worked with me on scheduling to reduce my temporary dislocation expenses as much as possible. I asked questions almost every day for weeks, and all were answered patiently, and the team pivoted when necessary. Months later, I am still reaching out to Elio with questions about best practices for bringing items into my home, and he answers within minutes. I have recommended Elio to several friends, and one already has reached out.
Michele Burkholder
Michele Burkholder
16:06 17 Feb 26
We want to thank the EHC team. We are so pleased with the final result of the removal of asbestos tiles and adhesive from our basement floor. Ernesto and his team were wonderful to work with. They were very professional and informative. When the job was completed, our basement floor looked like brand new concrete. EHC is definitely a first-class company! Thanks again! Best, Craig
Charlene Urban
Charlene Urban
22:52 12 Feb 26
Absolutely amazing staff and the job was done perfectly. Thank you to Barb, Connie, and the rest of the team! We highly recommend!
Elise Sipe
Elise Sipe
15:15 11 Feb 26
Just finished up an abatement for us, Alex and his crew were very efficient and knowledgeable in their craft. Great outfit to work with. Thanks Alex.
Chris Beck
Chris Beck
23:50 21 Jan 26
We were very pleased with the whole process of having our home remediated from the ease of scheduling, the in dept inspection and the team that did our project. I highly recommend EHC!
Kelly Masteller
Kelly Masteller
18:10 13 Dec 25
Alex and the EHC team were professional, prompt, and organized throughout their work on the Lincoln University Gymnasium Renovation project. Communication was clear, scheduling was efficient, and their crew maintained a safe and well-coordinated jobsite. They demonstrated strong attention to detail and delivered exactly as promised. I’d highly recommend EHC and Alex Henriquez for any future construction projects.
Abdramane traore
Abdramane traore
18:49 25 Oct 25
Alex Henriquez and EHC abatement crew did a nice job at the Kendal Project. Had a few tough days working around other contractors that made it difficult for his crew to perform their work, but he made it happen! Pleasure working with them, looking forward to the next phase!
Chris Glessner
Chris Glessner
17:45 17 Oct 25
We are very pleased with the work done by EHC. Starting with Elio with the assessment, Colleen and Barbara with the contract and scheduling, Dan with the prework walk through, and Alex and his team with the lead abatement. Alex explained the process with us and had his team take photos and videos of our problem areas. He was professional, friendly, helpful, and thorough.
Larry Fisher
Larry Fisher
14:48 15 Sep 25
Alberto Tavarez
Alberto Tavarez
09:11 30 Jun 25
It was a distinct pleasure to interact with Elio. His affable demeanor and accommodating nature were readily apparent, reflecting the qualities of a true gentleman.The circumstances presented a considerable degree of stress. Elio demonstrated exceptional patience by thoroughly explaining the situation and outlining available options, ensuring a clear understanding of the path forward. Furthermore, he provided invaluable assistance with the necessary documentation. His efforts were instrumental in alleviating our concerns. Throughout the years, we have engaged with numerous contractors and sales representatives. However, Elio's level of accommodation and helpfulness is unparalleled. He is a truly exceptional individual.
Dottie Leeper
Dottie Leeper
19:44 25 Jun 25
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