GSA SCHEDULE 899

Triad Engineering, Inc. (Triad) is a full-service engineering consultant firm specializing in the areas of geotechnical engineering, environmental services, construction inspection and testing, drilling, laboratory testing, civil design, land surveying, and other earth-science related disciplines. Triad was formed in 1975 and has steadily grown to become one of the largest engineering firms in the mid-Atlantic. Triad is 100% employee-owned. At Triad, we pride ourselves on our ability to perform top-quality work for our clients, which is both on schedule and within budget. The firm has provided services on thousands of projects of varying size and complexity since beginning operations. Projects have included subsurface explorations, design engineering, construction monitoring, inspection and testing, environmental assessments, and preparation of contract documents. Our clients and projects include many of the companies, agencies, and facilities in our geographic area of operation. Triad currently maintains offices in Virginia, West Virginia, Maryland, Pennsylvania and Ohio.

Our consulting services cover environmental issues associated with the ever-increasing environmental laws and regulations such as CERCLA (Superfund), RCRA, SARA, TSCA, CAA, AHERA, CWA, SDWA, legislation for underground and above-ground storage tanks, and wetlands. Triad currently provides environmental services as listed below:

SIN 899-1 Environmental Consulting Services

Phase I Environmental Site Assessments Phase II Environmental Site Assessments National Environmental Policy Act (NEPA) – Environmental Assessments Spill Prevention Control and Countermeasures (SPCC) Plan Underground Storage Tank (UST) Management Wetland Delineation Studies Wetland Permitting Services Regulatory Assistance

Storm Water Pollution Prevention Plans Groundwater Protection Plans Asbestos Inspections Radon Assessments Microbial Assessments Indoor Air Quality Assessments Wastewater Treatment Plant Design Environmental Permitting ALTA/ACSM Surveys Flood Elevation Certificates

SIN 899-8 Remediation and Reclamation Services

Phase II Environmental Site Assessments Contaminant Site Characterizations UST Site Closure Services Vapor Intrusion Assessments Contaminant Corrective Action Plans Chemical Management Plans

Geophysical Surveys – Ground Penetration Radar (GPR) and Resistivity Brownfields and Voluntary Remediation Program (VRP) Groundwater Contamination Studies Treatment System O&M Services