H2A Environmental, Ltd. (H2A), a subsidiary of GEI Consultants, Inc., is an environmental engineering and geosciences firm that specializes in solving complex soil and groundwater contamination problems caused by petroleum and other chemical releases. H2A works with industries and their attorneys on projects across the United States. A partial list of the technical services H2A provides includes: soil and groundwater remediation,environmental risk assessment, aquifer testing, capture zone analysis, LNAPL characterization, LNAPL mobility and recoverability analyses, environmental construction support, and expert witness and other litigation support services.