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John Ryan has extensive experience in the environmental industry, having worked as a Sr. Geologist at Eco-Systems, Inc., a Principal Scientist at Allen Engineering and Science, and a Sr. Environmental Scientist at Ergon, Inc. Their expertise includes assessment and remediation, vapor intrusion, indoor air quality, geological services, permitting, compliance, environmental due diligence, RCRA waste management, and upstream oil & gas environmental project management. John also has experience as an Environmental Project Manager.