Resources Resources EWSI is pleased to share some valuable links and resources for your convenience: Occupational Safety and Health AssociationMaryland Department of the EnvironmentUS EPAVirginia Department of Enviromental QuailityUS Women’s Chamber of Commerce (USWCC)American Subcontractors Association (ASA)Environmental Information Association (EIA)Virginia Association of Hazardous Materials Response SpecialistsVirginia Department of Small Business and Supplier Diversity