Cox-Colvin & Associates, Inc. provides a wide range of environmental consulting and engineering-related services. We’ve developed a reputation for providing experienced and capable project teams, high-quality work products, solution-oriented approaches, and the creative use of technologies. In maintaining the solution-oriented approaches, Cox-Colvin & Associates, Inc. is proud to introduce the Vapor Pin™, a unique, patented, re-usable sub-slab soil-gas sampling device. Traditional sub-slab soil-gas sampling methods are time consuming, expensive, and prone to leaks. Cox-Colvin designed the Vapor Pin™ specifically to eliminate many of the problems associated with traditional sub-slab soil gas sampling methods. Services provided by Cox-Colvin & Associates, Inc., typically are conducted under regulatory programs, such as the Resource Conservation and Recovery Act (RCRA), the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), the Safe Drinking Water Act (SDWA), the Clean Water Act (CWA), and state voluntary programs. Our core services include the following: Vapor Intrusion Sampling and Evaluation; Soil/Groundwater Investigation and Remediation; Agency Negotiation and Regulatory Support; Facility Engineering; Groundwater Monitoring; Database Management; Litigation Support/Expert Witness Testimony; Data Validation and QA/QC; Remedial Equipment Design, Construction and Operation; and Green and Sustainable Remediation