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Professional Safety, Industrial Hygiene Team

Pacific EH&S management and field teams have over 75 years of experience in the environmental, health, and safety consulting industry, and our diverse staff of professionals includes Certified Industrial Hygienists, Senior Level Industrial Hygienists, Certified Safety Professionals, Senior Level Safety Professionals, Registered Environmental Assessors, State of California Certified Asbestos Consultants, and DHS Interim Certified Lead-Related Construction Inspectors/Assessors and Project Monitors.

Ongoing professional development is consistently emphasized at Pacific EH&S via hands-on training, continuing education, and interactive performance reviews. In addition, Pacific EH&S professionals keep apprised of regulatory changes, current trends, and new technologies pertaining to the environmental, health, and safety industry by routinely reviewing new and revised regulations, by reading health and safety newsletters and magazines, and by attending training programs/seminars in specialty areas. Qualifications and resumes of departmental and project management personnel are provided below.

Michael S. Nagaoka

Health and Safety Professional with a degree in Health Science and over 20 years of solution-based experience in the areas of health & safety management, supervisory and staff development, auditing, inspections, training, OSHA compliance, industrial hygiene, safety committee development, emergency response and disaster recover planning, and loss control and prevention. Experienced in interpreting and communicating regulatory requirements and guidelines, industrial hygiene data, and presenting approaches towards reducing client liabilities.



Robert R. Hudson

Industrial Hygienist with over 12 years experience in industrial hygiene, hazardous waste management and disposal, pollution prevention, environmental air monitoring, and health and safety program management. Professional responsibilities include identifying, evaluating, and controlling hazardous conditions in various occupational and non-occupational environments. Provides management and consulting in all areas of safety and loss control for both general and construction industries.


Kevin T. Tran

Industrial Hygienist with experience in the areas of industrial hygiene and environmental monitoring, with an emphasis in microbial field investigation, assessment of microbial contamination, and industrial hygiene air sampling. Professional responsibilities include identifying, evaluating, and controlling hazardous conditions in various occupational and non-occupational environments. Specific expertise in the use of industrial hygiene monitoring and industrial hygiene equipment, as well as indoor air quality monitoring and associated equipment.

Eric Costales


Environmental, health, and safety professional with over 20 years experience in the areas of environmental and hazardous waste site activities, including field inspections, health and safety management, industrial hygiene, regulatory and environmental compliance, hands-on construction, construction safety oversight, and heavy equipment operation.

Cardiel Luna


Safety Engineer with a Bachelor of Science degree in Environmental and Occupational Health. Experienced in the areas of risk management, safety, auditing and field inspections, health and safety management, hazardous energy control, industrial hygiene, regulatory and environmental compliance, plant process operations, Cal/OSHA audit and citation processes and training.



Kyle S. Phillips

Safety Professional and Industrial Hygienist with experience in air monitoring, respiratory protection, compliance auditing, training, and safety audits and inspections. Professional responsibilities include identifying, evaluating, and controlling hazardous conditions in various occupational and non-occupational environments


Bobby M. MacNider

Certified Site Surveillance Technician with experience in environmental air monitoring. Professional responsibilities include identifying, evaluating, and controlling hazardous conditions in various occupational and non-occupational environments.