About ECF
Advancing environmental clarity through science, integrity, and proven expertise.
Trusted Experts in Contaminant Source Identification
Environmental Chemistry & Forensics LLC (ECF) is a nationally operating environmental consulting firm specializing in advanced chemical forensic services and contaminant source identification.
Scientifically Proven Solutions for High-Stakes Sites
We provide scientifically defensible analyses to support environmental investigations, regulatory decision-making, risk assessments, and litigation. Our work helps clients understand complex contamination scenarios, trace the origins of industrial releases, and make confident, informed decisions backed by rigorous scientific evidence.
Committed to Scientific Truth
Our mission is to deliver precise, defensible, and innovative chemical forensic solutions that illuminate the true origins of environmental contamination and support responsible decision-making. We are committed to advancing environmental science, strengthening risk models, and enabling clients to resolve complex challenges with clarity, credibility, and confidence.
Our Forensic Philosophy
At ECF, we believe that every site in question tells a story-one that must be uncovered with accuracy, discipline, and scientific integrity. Our approach combines:
Advanced chemical fingerprinting and analytical methods
Deep expertise in contaminant behavior across all environmental media
Objective, defensible interpretation of complex datasets
Integration of field, laboratory, and modeling insights
Digging Deeper for Defensible Answers
We look beyond surface-level results to decipher mixed plumes, differentiate industrial inputs, and quantify background conditions with transparency and precision. Every conclusion we deliver is grounded in evidence, proven methodology, and decades of specialized casework.
Industries We Serve
ECF partners with clients across diverse technical and regulatory environments, providing clarity where uncertainty can be costly. From early-stage site assessment through expert witness testimony, our services are built to withstand scrutiny at every level. We support:
The Team That Makes Clarity Possible
Network of Industry Experts
Stephen Emsbo-Mattingly
Senior Consultant