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JOHN XIONG, Principal - Haley & Aldrich

My name is John Xiong, a California Professional Engineer. I am currently serving as Principal Consultant and Applied Research Lead at an environmental consulting firm, Haley & Aldrich, Inc. My office is based in Costa Mesa, CA. My work has been focused on contaminated site investigation and remediation, soil and groundwater remediation, innovative technology development and demonstration, brownfield development, regulatory negotiation and compliance.

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