3035 Prospect Park Dr., STE 180, Rancho Cordova, CA 95670 +1 (916) 736-1100 results@restconenviro.com M-F 8am-5pm


Jim Holland

Jim Holland, MWR

Jim has been actively engaged in the cleaning and restoration industry for over 45 years. He is the President of RestCon Environmental, a division of Restoration Consultants, Inc. He is a nationally recognized instructor, consultant, columnist and author. His firm performs training, indoor environmental sampling, laboratory analysis, restoration consulting services, expert witness and litigation support services.

Jim currently holds the following positions:

  • Executive Director of the International Cleaning and Restoration Association (ICRA)
  • Executive Director of the Cleaning and Restoration Association (CRA)
  • Past Chairman of the IICRC Standards Committee
  • Past Edit Committee Chair for the Institute of Inspection, Cleaning and Restoration Certification (IICRC) S500 Water Damage Standard and Reference Guide
  • Past Edit Committee Chair for the IICRC S520 Mold Remediation Standard and Reference Guide
  • Past Member of the Board of Directors of the Institute of Inspection, Cleaning and Restoration Certification (IICRC)

John Banta

John Banta CIH, B.A., Environmental Health Scientist

John is certified by the American Board of Industrial Hygiene as a Certified Industrial Hygienist with a Bachelors Degree in Environmental Health Science and 30 years of experience in Indoor Environmental Quality. He is a specialist in microbiological problems resulting from water damage in buildings. John is an Applied Microbial Remediation Technician and an approved instructor for IICRC. He has conducted investigations, trained technicians, established worker safety and health programs and supervised crews in sewage, flood and fungal remediation throughout the United States. He is the co-author of the book titled Prescriptions for a Healthy House: A Practical Guide for Architects, Builders, and Homeowners and author of Extreme Weather Hits Home, Protecting Your Buildings from Climate Change.


Mark Ayers

Mark Ayers - Project Manager, CAC DOSH 06-4038

Mark has 30 years experience in construction, providing residential and commercial building repair and remodeling services. During the past seven years he has specialized in demolition, restoration and reconstruction of fire-damaged, water-damaged and sewage-contaminated buildings. He is an experienced estimator, having engaged in all phases of the building, restoration and reconstruction industry. Mark's building experience includes water proofing and specialty coating systems. He has provided project management services for many high-profile remediation projects. Mark is also an Certified Asbestos Consultant (CAC DOSH 06-4038).


Boni Passmore

Boni Passmore, Ph.D., Environmental Scientist

Boni has a doctorate in Biochemistry and Biophysics from the University of California at Davis with over fifteen years experience conducting biological research, the majority in the field of plant pathology. Dr. Passmore has designed and conducted several independent research projects, trained graduate students and visiting scientists, and written and edited articles for peer reviewed scientific journals.

For five years, she has owned and operated a home improvement company specializing in the analysis and improvement of residential buildings for indoor air quality and energy efficiency.