### Company Overview & Leadership
Neptune, founded in 1992 [1], is a small, employee-owned business dedicated to improving the quality of environmental decision making [1]. The firm addresses increasingly difficult decision problems at the nexus of energy, environment, health, food, and climate change [1]. Neptune provides technical support through a team of scientists, statisticians, and engineers [1], applying state-of-the-art methods across six core service domains [1]. The company specializes in complex regulatory and stakeholder environments, handling issues ranging from hazardous waste sites to feedlot management [7].
The firm’s core capabilities are structured around specialized services and technology utilization:
* *Key Service Domains:* Decision Analytics, Environmental Modeling, Quality Assurance, Risk Assessment, Stakeholder Engagement, and Statistics & Data Science [2]. * *Technology Specialization:* Neptune utilizes the GoldSim computer simulation environment, primarily for assessing risk from contaminated environments [5]. GoldSim Technology Group recognizes Neptune as Certified Solution Providers and Certified Training Providers [6].
Kelly Black serves as President and CEO [12]. The corporate headquarters is located at 1435 Garrison Street, Suite 201, Lakewood, CO, 80215, and the firm maintains multiple locations [16], [17].
### Federal Market & Contracts
Neptune maintains an extensive client portfolio across federal and state agencies [1]. The firm provides technical and analytical support for the U.S. EPA's National Drinking Water Program under contract 68HERC21D0081, which runs from 2019 through 2024 [3]. Additionally, Neptune applies quantitative planning and design skills to the Military Munitions Response Program (MMRP) [8], supporting field investigations by developing Data Quality Objectives (DQOs), evaluating statistical sampling plans, and performing data and probabilistic risk analysis [8].
The firm’s client base includes:
* *Federal Agencies:* Air Force Civil Engineering Center, DOD Environmental Research Program, EPA Office of Research and Development, National Atmospheric and Space Administration (NASA), National Oceanic and Atmospheric Administration (NOAA), National Park Service, U.S. Agency for International Development, U.S. Army, U.S. Department of Energy, and U.S. Navy [9]. * *State Agencies:* Alaska Department of Transportation, Arizona Department of Environmental Quality, Colorado Department of Public Health and the Environment, Nevada Division of Environmental Protection, New York State Energy and Research Development Authority, Ohio River Valley Water Sanitation Commission, Tennessee Department of Environment and Conservation, Washington State Department of Ecology, and Washington State Department of Health [10].
Project experience covers diverse technical challenges, including:
* Hanford Site Risk Assessment [11] * Los Alamos National Laboratory Groundwater Plume Remediation [11] * Quantico Marine Corps Base Risk Assessment [11] * West Valley Former Nuclear Fuel Reprocessing Site [2]
### Certifications & Socioeconomic
Neptune emphasizes quality assurance through customized quality management systems developed for federal and private clients over more than 20 years [2]. For over two decades, the firm has provided technical quality assurance and statistical support to the U.S. EPA Office of Research and Development (ORD) Laboratories and Centers, assisting EPA in implementing the Mandatory Agency-Wide Quality System policies (EPA 2106.0, *Quality Policy,* and EPA 2105.0, *Policy and Program Requirements*) [11]. The firm also develops quality management systems, including those for the U.S. EPA's Office of Environmental Information and the Food and Drug Administration's (FDA) chemistry manufacturing and controls (CMC) review process [6].
The firm has audited hundreds of laboratories both in the U.S. and abroad [3] and provides accreditation support for compliance with international standards. Expertise includes identifying and quantifying risk assessment uncertainties and sensitive variables, and developing cost-effective human health and ecologically protective remediation alternatives [9].
Neptune maintains compliance with several key international standards and holds the following socioeconomic status:
* Provides audits and accreditation support for compliance with ISO/IEC Standards 17025 (Testing Laboratory), 17034 (Reference Material Producers), and 17043 (Proficiency Testing Providers) [3]. * Adheres to ISO 17034 and Guide 35 for Reference Material Providers [6]. * Certified as a Women-Owned Small Business (WOSB) under the U.S. Small Business Administration WOSB program [5].
### Recent News & Recognition
The organization recently marked a significant milestone, celebrating 30 years of improving environmental decision making [8]. Strategic growth includes securing Contract 68HERH19D0029, a multiple-award, IDIQ contract valued at a ceiling of $23.8 million [4]. Operating as a Subcontractor to RTI, the period of performance for this contract spans August 16, 2019, to August 15, 2024, with a broad scope emphasizing greenhouse gas emissions [4].
Neptune professionals advance their fields through collaborative development of client solutions, publications, and presentations [8]. Notable achievements and contributions include:
* Developing the EPA Special Pathogens Analysis Laboratory (SPAL) program plan for environmental analysis of bioterrorism agents such as anthrax (*Bacillus anthracis*) [6]. * Contributing to the creation of several EPA guidance documents, including those on Data Quality Indicators and Systematic Planning for Environmental Data Collection [6]. * Providing technical analytical support, data management and analysis, communication and training, and data systems and information technology under the IDIQ contract scope [4].