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About Us

Company Profile

Since its founding in 1994 Ellis Environmental Management has administered more than $110 million in abatement and demolition projects in Los Angeles and the surrounding area. Major studios, universities, property managers, and lenders retain Ellis to resolve new environmental challenges as they occur.

Our primary services include:

  • Asbestos and lead-testing in preparation for demolition and renovation
  • Bid procurement, monitoring, and inspection of pre-renovation and pre-demolition abatement projects
  • Administration of post-abatement renovation and demolition projects
  • Indoor air quality monitoring and investigations; Phase II soils testing
  • Phase I environmental site assessments
  • Field Testing for hazardous materials
  • Preliminary Endangerment Assessments (“PEA” or “Phase III”) for school districts
  • Other hazardous materials testing and response services

Learn more about our services below or contact us.

Meet Our People

We combine experienced civil and environmental engineers with certified hygienists to provide an environmental response project that is as cost-efficient as it is effective. All work done on your project will be done by EPA, Cal/OSHA, and CDPH certified hygienists.

Duane Behrens


Duane formed Ellis Env. Mgmt. in 1994. Duane has 20 years' experience in the administration of construction and abatement contracts. Prior to founding the company, Duane was employed as an inspector and construction manager for Versar, Inc. His philosophy and his ultimate goal are simple: By combining his own construction management experience with the technical knowledge offered by degreed industrial hygienists Ellis will assist property managers and owners in completing their hazmat projects safely and efficiently.

Jane Cornish

Office Manager
In addition to managing Ellis’ AP and AR efforts, Jane administers or reviews the preparation of all completed reports, invoices and correspondence.

Lina Sok

Industrial Hygienist

Lina joined Ellis as a full-time Industrial Hygienist in the summer of 2014 after graduating from Cal State Fullerton with a B.S. degree in Health Science emphasizing in Environmental Health and Occupational Health & Safety. Lina is trained and experienced as an AutoCAD drafter and is a Certified Site Surveillance Technician (CSST #15-5499), and Lead Sampling Technician (CDPH #2591). Lina is also Ellis’ Indoor Air Quality (IAQ) assessment expert, having performed hundreds of successful investigations for clients ranging from local universities to filming studios.

Ryan Davidson

Senior Project and Operations Manager

Ryan joined Ellis in 2012 and is a Certified Asbestos Consultant (CAC #15-5395) and Lead Inspector/Risk Assessor (CDPH #0368). He earned his B.S. degree in Environmental Science and Policy from Cal. State Long Beach and worked as a Product Safety Coordinator for one of the nation’s 10 largest sporting goods companies prior to transitioning into the environmental consulting industry. At Ellis, Ryan has managed and administered hundreds of asbestos, lead, and soil-related sampling and abatement projects, and currently manages the activities and operations of all of Ellis’ field technicians and Project Managers. In addition, Ryan’s experience and expertise are deployed on specification preparation and report drafting for hazardous material testing and remedial projects, including soils, groundwater, asbestos, lead, PCBs, and hydrogen sulfide.

Shawn Sokolsky

Industrial Hygienist - Field Technician

Shawn Sokolsky joined the company in April 2017. He is a Certified Site Surveillance Technician (CSST #18-6177), certified building inspector, and a certified Lead Inspector/Risk Assessor (CDPH #4975). Mr. Sokolsky also assists in preparation of reports and is a trained Auto-CAD drafter.

Sonny Baramy

Industrial Hygienist – Field Technician

Sonny joined the company in October 2016 and has played a key role as a field technician for all hazardous materials sampling projects; lead, asbestos, formaldehyde. He is a Certified Site Surveillance Technician (CSST #18-6178), certified building inspector, and a certified Lead Inspector/Risk Assessor (CDPH #8436). In addition to field services, Sonny is also well versed in drafting client cost proposals, reports and CAD drawings; his specialty. With his training as a drafter in AutoCAD, he has taken the lead in providing clients with clear and comprehensive drawings.

Sarah Covert

Manager – Industrial Hygienist

Sarah Covert first joined Ellis Environmental in April 2016.  Now self-employed, she continues to assist Ellis in the performance of Phase 1 and 2 ESAs, where her experience and attention to detail continue to provide unsurpassed value to Ellis’ corporate clients.  While employed by Ellis, Sarah gained her Certified Asbestos Consultant and Lead inspector/Assessor licenses. Sarah has performed hundreds of asbestos and lead related inspections, and has also monitored, inspected and cleared dozens of asbestos and lead abatement projects during that period. With her chemical engineering degree and background in site assessments, Ms. Covert is often brought in to take the lead in special research efforts, even as her own business serves private homeowners (a service Ellis does not provide).