EXA Data HOME | SERVICES | PROJECTS | RESOURCES Welcome Exa Data & Mapping Services Inc. is small environmental firm located in Port Townsend, WA, specializing in database...; and geographic information systems (GIS) mapping and scripting - Extensive specialized experience with sediment chemistry, bioassay, and bioaccumulation data; tissue chemistry...

EXA Data HOME | SERVICES | PROJECTS | RESOURCES Services EXA Data provides a full range of data and mapping services to clients throughout the United States including: - Database...

of this material. Exa Data & Mapping worked for the Port of Oakland through Germano and Associates, Inc. to evaluate the current sediment values used to evaluate sediment for wetland...