State of Maryland, Department of the Environment, Water Supply Program, State of Maryland Water Quality Laboratory, Certification #179. Reciprocity agreement in Delaware and Washington, DC.
Commonwealth of Pennsylvania, Department of Environmental Protection, National Environmental Laboratory Accreditation Program (NELAP). Laboratory ID #68-3330
Commonwealth of Virginia, Department of General Services, Division of Consolidated Laboratory Services, National Environmental Laboratory Accreditation Program (NELAP). Laboratory ID #460156
State of West Virginia, Department of Environmental Protection, Certificate #303
U.S. Department of Agriculture Foreign Soil Permit #P330-12-00268.
Metropolitan Washington Airports Authority (MWAA) Local Disadvantaged Business Enterprise, LDBE Certification #LD1997-0041-2015.
State of Maryland Certificate of Good Standing.