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Mark Shifflett

Managing Principal Environmental Scientist


714-414-1122 Ext 207


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A Bit About Mark

Mr. Shifflett is a Managing Principal Environmental Scientist with over 26 years of experience in the environmental field with expertise in due diligence studies, site assessment and remedial investigations on a wide variety of property types and sizes. Mr. Shifflett has managed large soil remediation projects in Los Angeles and Orange Counties obtaining approvals from regulatory agencies in the form of ‘No Further Action’ letters for redevelopment of the properties for residential and commercial/retail land use. Mr. Shifflett has managed studies of vapor intrusion and health risk evaluation to assess whether historical property uses have resulted in impacts by volatile chemical including to indoor air. Mr. Shifflett has played a key support role in litigation support cases to identify and locate historical releases, evaluate remedial alternatives, and prepare cost estimates for damages.

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