Welcome to CDM Smith.


CDM Smith's integrated suite of sediment capa­bil­i­ties encompasses the entire project life cycle. From initial char­ac­ter­i­za­tion, selection and design of remedies to the construc­tion and operation of remedial actions, our experts deliver tangible results on time and cost-effectively. Partner with CDM Smith on your next sediment project, and our peerless team of trans­dis­ci­pli­nary scientists and engineers will optimize and deliver a customized approach to reach your remediation goals.
Ernest Ashley Ernest Ashley
I am most proud of helping to advance the largest application to date of in situ treatment for a group of manmade organic chemicals called PCBs.
Ernest C. Ashley, CPG, LEP, LSP, CHMM Vice President
Emerging contaminants water testing Emerging contaminants water testing
PFAS & Emerging Cont­a­m­i­nants
Our scientists and engineers are working tirelessly to solve the world’s most complex cont­a­m­i­na­tion challenges. Explore our solutions to the latest threats to public health.

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Environmental Edge