CAS & Associates, LLC (CAS) is a professional engineering firm with over 35 years of experience in the environmental field. We serve commercial real estate firms, banks, private land, government agencies, and numerous businesses throughout Idaho, Oregon, and Utah. We provide professional services, excellent environmental consulting and engineering solutions to all of our clients. We are here to help you in itemizing 

and assessing environmental risks at different environmental conditions (RECs) following prescribed

ASTM standards.

We serve a wide variety of clients throughout the Pacific Northwest and Intermountain Regions. Since its 

inception, CAS has completed hundreds of Phase I and Phase II Environmental Site Assessments (ESAs).

Our team of Engineers and Geologists are familiar with ASTM standard (E1527-13) and all 

US Environmental Protection Agency (EPA) requirements.  


Environmental risks can occur anywhere and at anytime.  Is your site safe? Before investing in a real estate

project or choosing a place for your next business venture, get in touch with us. With our expertise in soil

and groundwater laboratory analyses, CAS can determine if hazardous materials exist on your site which

could materially affect your environmental liability.



CAS & Associates, LLC

2778 N. Lakeharbor Ln.

Boise, ID  83703



T: (208) 761-3001

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It’s each chemical makeup of the soil on which your property stands. For soil sampling