DNA maintains a staff of Certified Industrial Hygienists (CIH), Certified Safety Professionals (CSP), and California Asbestos Consultants who have a well-established reputation for excellence in the industrial hygiene, environmental, and occupational safety & health community:

Dan Napier, MS, CIH, CSP

As a Certified Safety Professional (CSP) and Certified Industrial Hygienist (CIH), Dan has over 30 years of experience in the industrial hygiene and safety field. He has managed numerous environmental projects ranging from small residential asbestos mitigation to major multi-year hazardous material mitigation projects. Please browse to his Curriculum Vitae for more specific information about Mr. Napier.

His practical approach to occupational safety and health provides many workers with a safe work environment. That approach simultaneously provides the employer with an efficient and cost effective practical safety program. Dan assists employers with OSHA defense, worker training and air monitoring projects. Whether the project is the clean up and demolition of a large Aerospace R & D Laboratory and Production Facility, or the baseline evaluation of a NASA facility, Mr. Napier has the experience and practical experience to complete the work -- On Time and Under Budget. Dan earned his M.S. in Environmental Science at California State University, Dominguez Hills.  He is an active AHERA instructor for courses in Asbestos Removal Management. 


 Dan can be reached at (800) 644-1924 x 103 or e-mail: Dan Napier

Michael Richards, CIHM

Mr. Richards is an experienced CIH, who has worked in both the Government and private industry.  Refer to his resume for additional detailed work experience.  For the past 40 years he inspected or serviced all of the industries mainly in California but also  Pacific Western USA.  Contact Mr. Richards at 310-644-1924.

Mark Gigas, MPH, CIH

Mr. Gigas is a hands on CIH, with significant experience in Industrial hygiene. He has evaluated countless construction site activities. He brings a practical perspective to Industrial Hygiene issues. Mark completed his Masters at UCLA in 1980. Refer to his Resume for more detailed information. Mark Gigas resume .

Contact Mark at 805-647-3836

David Levin, CSP

Dave is a Board Certified Safety Professional with more than 25 years experience in occupational health and safety. He provides loss control/safety services to clients throughout California. Mr. Levin specializes in helping business owners to identify and successfully negotiate their health and safety hazards and control costs associated with unfortunate workplace injuries. Mr. Levin is an advocate of developing measurable activities that improve safety performance. To mention a few specialized areas, he works with government agencies, small and large businesses, trade associations, grocery warehousing and distribution centers, retail stores, health care organizations, construction companies, steel and wood fabrication, and light assembly. He has participated in the planning of safety objectives and implementing injury prevention activities. He assists employers during Cal-OSHA inspections and in responding to Cal-OSHA citations. Mr. Levin plans, produces, presents and audits injury prevention programs, employee-training programs, transitional work programs and employee accountability systems. He implements ergonomic review and develops recommendations for workstations and production exposures. In addition, Mr. Levin handles many types of environmental testing, including dust and vapor, and noise monitoring. Mr. Levin holds a bachelor's degree in Occupational Health & Safety from Iowa State University.

 Contact Dave at 800-644-1924 or E-Mail at Dave Levin

Sharon Sperber, MS, CIH

Ms. Sperber earned her Masters of Science, Environmental Health, Hunter College 1980. She completed her Bachelor of Arts, History, at City College of New York in 1972. She is a member of the American Industrial Hygiene Association, the Delaware Chapter of American Industrial Hygiene Association. She holds the following Professional Certifications: American Board of Industrial Hygiene in Comprehensive Practice, EPA Accredited Asbestos Building Inspector, EPA Accredited Asbestos Project Manager, EPA Accredited MAP, Delaware Lead Inspector/Risk Assessor, EPA Accredited Hazardous Waste Technician, State of Delaware Certified Asbestos Project Supervisor, State of Delaware Asbestos Project Monitor. See her CV .

 Contact Sharon at 800-644-1924 or E-Mail at Sharon Sperber

Douglas Hickey, MS, CIH, CSP

Mr. Hickey performs assessments, inspections, air samples and surveys for asbestos and other hazardous substances in schools, hotels, hospitals prisons, international airports, port authorities, police and fire department headquarters, naval shipyards. He writes Hazardous Materials Operation, Maintenance an Management Plans and supervises asbestos abatement crews for both public and private structures. With over 25 years in the environmental industry, Doug has earned certifications as an AHERA Asbestos Contractor, Supervisor, and Inspector. He is certified in NIOSH sampling and evaluating of airborne asbestos dust, OSHA Regulation Compliance, and OSHA Hazardous Waste Site Health and Safety.

Doug has a B.S. in Industrial Technology and a M.S. in Industrial Hygiene and Safety, both from the University of Minnesota. He is a board Certified Industrial Hygienist (CIH) and Certified Safety Professional (CSP). He is based in Minnesota.

 To contact Douglas Hickey call (763) 479-3214 or Email atDoug Hickey

Kasra Nikkhah

Mr Nikkhah is a hands on professional with over 27 years of experience in environmental health and safety program development and implementation, industrial hygiene assessments, safety audits, training programs, construction engineering and management, and environmental  Remediation.

Kasra graduated from Northrop University, B.S., Aerospace Engineering, 1985 – National Dean's Honor List.


© Dan Napier 2/5/2018