
Phase I ESA Services in Portland
Proudly Providing Phase I Assessments Across
the Portland Metro Area and Beyond
Phase I ESAs help property owners, buyers, and banks reduce the risks of dealing with hazardous materials or potential environmental liabilities on a subject property. Recognized Environmental Conditions (RECs) are defined as “the presence or likely presence of any hazardous substances or petroleum products in, on or at a property due to release to the environment; under conditions indicative of a release to the environment or under conditions that pose a material threat of future release. De minimis conditions are not recognized environmental conditions.”
Phase I ESAs may satisfy a requirement to qualify for the innocent landowner, contiguous property owner or bona fide prospective purchaser limitations on the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA) liability, also known as the landowner liability protections (LLPs).
Our Phase I ESAs are conducted in conformance with American Society for Testing and Materials (ASTM) Standard Practices for Environmental Site Assessments: Phase I Environmental Site Assessment Process, E1527-21, and the standard of “all appropriate inquiry” under the ORS § 465.255 (6), and 40 CFR Part 312 Standard Practices for All Appropriate Inquires.
- Groundwater Sampling
- Soil Sampling
- ODEQ Compliance
- Historical Assessment

Happy Customers in Your Neighborhood
Hear From Our Past Customers
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“Sam and Environmental Works did a 5 star job for us. We had a high radon level and they came out and they fixed it in the afternoon. They also saved us thousands of dollars by only doing part of the job they thought they would need to do. We only needed ha”- Patty M.
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“Installation happened smoothly, with great communication all around. They offer a great, needed service and I feel reassured knowing they will deal with any issues if they arise in the future! Radon Free because of this awesome company!!!”- Michelle M.
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“Tim came out for our job that included clearing a drain that directs runoff from our driveway. It turned out to be more complicated than anticipated but Tim persevered, even crawling under the deck to get a better take on the situation. Definitely apprecia”- Matthew S.
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“We had environmental works install a drain line by doing horizontal drilling for a 3” line for 110’, install the pipe and connect to existing plumbing that needed the extension. The work was done to our satisfaction in a single day.”- James R.
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“Environmental Works performed a sewer scope inspection and a radon test for me and made the process very easy, and at the right price. I received a comprehensive and detailed report for the test and inspection right away. Scheduling was a breeze and everyo”- Mark G.
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“We were pleased with the way our mitigation system turned out. Our home proved to be somewhat of a challenging one to put in a system in a way that was acceptable to us. The crew worked hard to make it all work out well.”- Sheri S.
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“This company is great! The lady who took my call listened and made the decision as we planned what to do next. Jeff was prompt, professional, and knowledgeable and told me exactly what I needed to know.”- Lynn L.
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“Dwight and the team at EWorks really came through for my clients. We were able to coordinate to get the property sold on time and they saved my clients thousands. I highly recommend them.”- Isac G.
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“I've been using Environmental Works for years because they're great, and I just discovered something else they do very well--classes to educate homeowners and real estate professionals about the risks and various factors affecting homes when it comes to se”- Corey E.
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