Mr. Langdon has over 20 years of experience in the environmental field, including project management, hydraulic testing, site characterization, groundwater modeling, environmental site assessment, and vapor intrusion assessment and mitigation with an emphasis on dry cleaner and industrial chlorinated solvent sites. His responsibilities have included management of site investigation and remediation programs, coordination of hydraulic testing programs, designing groundwater flow models, preparing Environmental Site Assessments, and performing a variety of investigative fieldwork including soil and soil gas sampling, drilling oversight, groundwater monitoring well installation, and groundwater sampling.
