Groundwater Stats Consulting

Sanitas Technologies


Groundwater Stats Consulting, formerly the statistical consulting division of  Sanitas Technologies for over two decades, provides comprehensive statistical analysis of groundwater data at RCRA Subtitle C and D facilities. Additionally, we specialize in the analysis of groundwater data regulated under the Final Rule: Disposal of Coal Combustion Residuals from Electric Utilities (CCR Rule, 2015).


Our goal is to provide facilities and consultants with affordable expert advice to avoid the pitfalls commonly associated with selecting incorrect statistical methodologies that result in costly remediation.

Groundwater Stats Consulting offers the following:

  • Developing site-specific Statistical Analysis Plans (SAPs)
  • Screening of groundwater data
  • Statistical analyses utilizing the Sanitas statistical groundwater software
  • Review of independently prepared statistical analyses
  • In-house statistical training 
  • Statistical expertise for selecting site-specific correct methodologies
  • Site-specific discussions with state regulatory agencies.

We are available to assist you in your groundwater statistical needs.  Contact our office at 913.829.1470 to discuss custom services and pricing. 


Kirk Cameron, Advisor
Ph.D. Statistician

Jim Loftis, Advisor
Ph.D. Civil Engineer

Kristina Rayner,
Groundwater Statistician

Kristina, founder of the company and lead consultant, has been providing groundwater statistical consulting services for over 20 years. She instructs other groundwater professionals nationwide on how to effectively analyze groundwater data at RCRA facilities; assists electric utility companies in the statistical analysis of groundwater at coal ash impoundments regulated under the CCR Rule (2015); as well as co-teaches Sanitas Technologies' 2-day Applied Groundwater Statistics seminar with Dr. Kirk Cameron.​​​​​​​​
Dr. Kirk Cameron of MacStat Consulting and primary author of the EPA Unified Guidance (2009), has been providing EPA regulatory guidance for the analysis of groundwater for over 25 years. Additionally, Kirk co-teaches the Sanitas Technologies' nationwide Groundwater Statistics seminar.
Dr. Jim Loftis, professor emeritus at Colorado State University (CSU) for the Civil & Environmental Engineering Department, has over 35 years of experience in environmental statistics and design of environmental monitoring programs. Dr. Loftis has taught 20 different courses at CSU in engineering, water resources, and statistics, along with short courses in Water Quality Monitoring Network Design & Environmental Statistics in the U.S., New Zealand, and Australia. He has published over 50 refereed journal articles in the fields of water and the environment.