Industrial Hygiene / Pollution / Pretreatment Consultants: 7

DNA Industrial Hygiene CSLB 773462 1A,HAZ is an occupational/environmental health & safety firm providing comprehensive industrial hygiene/environmental services. Dan Napier is the 'go to' person for help with your health & safety program. if you are a small business or one of the fortune 500's DNA has helped someone like you. whether you need a simple survey for a single issue or a complex benchmark or safety audit they have the experience and expertise to do the work. Mr. Napier provides services to the legal community. please check with him for trial assistance, forensic studies or expert witness services. he has been designated as an expert and has testified in federal and state courts.

NO COST CASE FILE REVIEW! 

Dr. Eric N. Brown, CIH, CSP, is a Certified Industrial Hygienist (CIH) and a Certified Safety Professional (CSP), with both certifications in good standing with the issuing boards. Dr. Brown holds a Doctorate in Public Health with an Industrial Hygiene specialization from the University of California at Los Angeles, and a Master’s degree in Public Health with an Occupational Health specialization from the Medical College of Ohio. He has over 25 years of experience in:

• Health and Safety
• Industrial Hygiene
• Indoor Air Quality Exposure Assessments

Litigation Support - Dr. Brown has been a designated expert in hundreds of cases, been deposed over one hundred times, and has testified in both trials and arbitrations. His services are available to attorneys representing both plaintiff and defendant. 

Areas of Expertise:

The four PhD and registered PEs at Miller Engineering are celebrating 40 years of Professorships at three universities along with providing services to Government, Insurance, and Industry—through research, publications, presentations, and expert testimony. We have a dedicated office with a full time staff of engineers, researchers, and technical writers. The span of our collective academic and experiential expertise covers well the Mechanical, Electrical, Chemical, Agricultural, Industrial, Human Factors, Ergonomic and Safety fields of engineering. The areas listed below are from actual projects completed in our 40 years of history. 

Page Engineering Inc., established in 1994, is an Ergonomics and Industrial Engineering consulting firm. They have provided services to clients throughout the United States and Canada. Their hands-on approach is backed by the extensive application of ergonomics, human factors, epidemiologic, and occupational medical scientific literature. Page Engineering experience includes conducting ergonomics analyses and research in the railroad industry, primarily, and in heavy industry, in general, for over 22 years. Their clients include Union Pacific Railroad, Kansas City Southern Railways, Association of American Railroads, Fedex, American Petroleum Institute, Food Marketing Institute, Food Distributors International, Blue Water Bridge Authority, and USPS.

Consulting Services - Page Engineering provides ergonomics services, integrating multiple disciplines (industrial engineering, safety, health, business, regulatory) to provide effective results, whether in the application of job analyses and job improvement processes or in physical job demands analyses. Their services include:

• Ergonomics Exposure Analysis and Workplace Improvements
• Ergonomics Design
• Organizational Risk Analysis
• Health and Safety Information Systems Development
• Expert Witness Services

George B. Page, CPE, is a Certified Professional Ergonomist. Since founding Page Engineering, Mr. Page has been providing ergonomics services, integrating multiple disciplines (industrial engineering, safety, health, business, regulatory) to provide effective results, whether in the application of job analyses and job improvement processes or in physical job demands analyses. His experience includes conducting ergonomics analyses and research in the railroad industry and in heavy industry for over 30 years. Mr. Page's expertise includes job exposure assessments, physical demands assessments, accident reconstruction, and forensic engineering.

Greg G. Weames, CPE, CCPE, CRSP, has been a practicing Ergonomist since 1994, after obtaining his B.Sc. and M.Sc. in kinesiology. Mr. Weames has spent several years as a corporate ergonomist for large organizations as well as has worked for several years in consulting. Currently, with Page Engineering, Inc., he has provided expert witness services, consulting services for various facilities projects, workplace, equipment, machine and tool analysis services, and job exposure analysis services. Over his years as an ergonomist, Mr. Weames has co-authored scientific publications, served on Federal, Industry, and Corporate level committees, developed and authored corporate programs and training, and has worked extensively across all departments of organizations, levels of management and employees.

Stephen D. Fleming, CPE, CXLT, is an Industrial Engineer / Ergonomist whose background includes analyzing work environments and work tasks using industrial engineering work measurement methods and risk assessment models for different body regions. His expertise is in assisting industrial clients in applying ergonomics to workplace processes, tools, and equipment, including all major North American railroads, FedEx, Ford Motor Company, Lear Seating, USPS, and the Blue Water Bridge Authority. Mr. Fleming has been acknowledged for developing and implementing a methodology for measuring and analyzing exposure to whole-body vibration (WBV) and hand-arm vibration (HAV).

View Page Engineering's Expert Witness Profile.

Dr. J.P. Purswell, PhD, PE, CPE has extensive experience in Human Factors, Ergonomics and Safety Engineering. He has completed projects for clients in all these areas and regularly teaches ergonomics and safety engineering at Colorado State University. 

Dr. Purswell Consults with Manufacturers on Product Safety Issues, including Warnings and Instructions. He also Consults with Employers regarding the development and implementation of safe and ergonomically sound work practices, including the identification and control of ergonomic risk factors for back injuries and upper extremity cumulative trauma disorders. 

Dr. Purswell has prepared ANSI Z535 compliant instructions and warnings for attic ventilators, deer-stands, LPG hoses, ammonia hoses, warehouse rack systems, and arts and craft products among others. He has also prepared ANSI Z129.1 compliant warnings for a range of chemical products from gasoline pump warnings to brake pads and ammonia hoses, and OSHA and ANSI Z400.1 compliant material safety data sheets for several chemical manufacturers. 

He is the author of more than 20 publications or presentations on product safety, occupational safety, printed warnings, and auditory warnings. He has been inducted into Alpha Pi Mu, the Industrial Engineering Honor Society and is a recipient of the Gordon Fellowship from the University of Oklahoma. 

Consulting Services:

• Design and Testing of Instruction Manuals and on Product Warnings
• Usability Testing of Products for Ease-of-Use and Safety
• OSHA Audits for Employers
• Employer Training - Benchmarking Safety Performance Against a Company's Industry
• Employer Training - How to Prepare For OSHA Inspections

View Dr. Purswell's Expert Witness Profile.

RedSpire LLC provides Environmental Health Consulting services to support clients' needs in Occupational and Environmental Health and Safety, Exposure Assessment, and other issues, with a focus on Technology Integrations that improve efficiency, accuracy, and ultimately lead to better solutions.

Generative Artificial Intelligence and Purpose-Built Software Consulting Services

Accelerated Review - Generative AI tools allow RedSpire to synthesize scientific literature, regulatory documents, and case records ethically and transparently at unprecedented speed. They provide clients with a comprehensive evidentiary foundation in days, not weeks.

Advanced Exposure Modeling - RedSpire integrates deterministic and probabilistic models—including dispersion and receptor-based approaches—with transparent assumptions, delivering quantitative reconstructions.

Quality Assurance - Software-driven error detection continuously flags inconsistencies, identifies gaps, and evaluates reference quality.

Secure Collaboration and Reporting - RedSpire uses technology to improve analysis while protecting confidentiality: confidential access, no training conducted using client data.

Dr. Kristen Good, MEM, PhD, Principal Health Scientist; Epidemiologist is passionate about applying data-driven, scientifically-supported solutions to public health problems. In addition to her technical subject matter expertise and strong scientific background - bringing over a decade of experience advising partners on incident/emergency responses and leading programmatic initiatives related to air pollution exposures, indoor air quality, and respiratory disease; wildfires, communicable disease outbreaks, and occupational health - she is also an experienced supervisor/team leader and project manager responsible for grant administration, contractor relationships, and fiscal management.

Dr. Good has over 15 years of scientific background and experience in risk assessment, toxicology, exposure assessment, and environmental sciences, across academia/research, private industry, and government sectors. I have led design, implementation, and data analysis for multiple large human participant research studies and laboratory-based chemical emissions monitoring campaigns. I have Designed and executed multi-million dollar public health initiatives, including: a $53-million statewide program that delivered over 45,000 portable HEPA air cleaners to over 1,500 K-12 schools and early childhood education centers within a rapid 9-month period; a $20-million small grants program that provided funding for community-based COVID-19 recovery efforts to 68 local non-profits; and a $4-million initiative to conduct indoor air quality and ventilation assessments and improvement efforts in workplaces and community buildings throughout the state. In 2025, I cofounded a consulting firm that is focused on the application of AI-based technology.

Dr. Nicholas Good, Co-Founder & Exposure Science Lead, is an Aerosol Scientist with over 20 years of experience in scientific instrument development, evaluation, and deployment. He has worked across academia, research, and private industry in atmospheric chemistry, cloud physics, indoor air quality, and environmental health. Dr. Good focuses on bridging emerging technology—both hardware and software—from the research laboratory into solving practical real-world problems. He holds a Ph.D. in Atmospheric Science from Colorado State University and a B.A. in Earth and Planetary Science from UC Berkeley.

Dr. Good provides consulting services supporting clients' needs in occupational health and safety, exposure assessment, and environmental health issues—with particular focus on asbestos and benzene exposure reconstructions. He co-founded CloudSci LLC (2023), commercializing airborne particle measurement technologies for research and related markets, and owns Good Science LLC (2019-present), providing specialized environmental consulting services.

Since 2020, Dr. Good has served as Research Scientist III at Colorado State University's Department of Civil and Environmental Engineering, leading research on air quality and human health with emphasis on indoor air quality, building performance, bioaerosols, and novel health effects of air pollution. He has published over 60 peer-reviewed scientific papers and led or co-led over a dozen sponsored research projects totaling millions of dollars in funding from DOE, NASA, CDC, and other agencies.

Dr. Gavin McMeeking, Chief Executive Officer & Co-Founder, is an Aerosol Scientist with over 20 years of background and experience in scientific instrument development, evaluation, and deployment. He has worked across academia, research, and private industry in atmospheric chemistry, cloud physics, indoor air quality, and environmental health. Dr. McMeeking focuses on bridging emerging technology—both hardware and software—from the research laboratory into solving practical real-world problems. He holds a Ph.D. and M.S. in Atmospheric Science from Colorado State University and a B.A. in Earth and Planetary Science from UC Berkeley.

Dr. McMeeking leads the company's strategic direction and client services. He co-founded CloudSci LLC (2024), which commercializes airborne particle measurement technologies for research and related markets. Previously, he held leadership roles at Handix Scientific LLC as VP of Research & Development (2020-2022) and at Droplet Measurement Technologies as Scientist/Sales Specialist (2012-2015).

Dr. McMeeking has published over 60 peer-reviewed scientific papers in aerosol science and technology, and has led or co-led over a dozen sponsored research projects. He has advised governmental organizations including the Department of Energy, National Science Foundation, and NASA on topics ranging from instrument development, atmospheric measurement techniques, black carbon aerosol impacts, wildfire emission characterization, and technology translation.

View RedSpire LLC's Expert Witness Profile.

Robin D. Franks, PG, CHMM, RSO has over 30 years of relevant industry experience as a professional Geoscientist / Geologist and Certified Hazardous Materials Manager. Ms. Franks has been the President, Founding Principal, and Managing Director of TGE Resources, Inc., for over 30 years. Her specialties include Real Property Assessment and Characterization, Clean-up, and Closure in the commercial, industrial, oil and gas, and healthcare industries. 

Consulting Services Include:

• Real Property Assessment
• Industrial Compliance Auditing
• Oil and Gas Real Estate Clean-up
• Well Blow-out / Underground Storage Tank Project Management
• Redevelopment, Clean Closure Services
• Asbestos - Sick Building Management
• Lead-based Paint Management
• Industrial Hygiene / Indoor Environmental Quality - Mold / Fungus Assessment, Testing, and Remediation

Ms. Franks has been actively involved in more than 35 "merger/acquisition" projects encompassing over 750 sites nationwide. As senior Technical Advisor, she has been involved in thousands of real property investigations, many of which have involved remediation/closure projects within Texas and throughout the United States. Ms. Franks is a professional lecturer who delivers presentations and instruction throughout the United States.

View Robin Franks' Expert Witness Profile.