Peter Jaramillo, CIH Expert Witness

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Specialties & Experience of this Expert Witness

General Specialties:

Industrial Hygiene and OSHA

Keywords/Search Terms:

Industrial Hygiene, Health & Safety, Occupational Health, Indoor Air Quality, Biological Hazards, Chemical Hazards, Construction Safety, Valley Fever, COVID-19, Noise, Environmental, Laboratory Safety, Emergency Preparedness, OSHA, Certified Industrial Hygienist, Workers Compensation


MS, CSU Northridge; BS, CSU Northridge

Years in Practice:


Additional Information

Peter Jaramillo, CIH has 35+ years of experience in the fields of Occupational and Environmental Health & Safety. As co-owner and Principal Industrial Hygienist of Delta Bay Consultants, LLC, Peter provides the following services: (1) air & noise monitoring; (2) indoor air quality investigations; (3) health & safety programs; (4) hazard/risk assessments; (5) ergonomics surveys; (6) assessments of work practices, engineering controls, personal protective equipment, and emergency preparedness; (7) confined space and ventilation evaluations; (8) employee training/mentoring; (9) acting as a technical resource, subject matter expert, and regulatory liaison; and (10) Expert Witness Testimony and other Litigation Support on legal claims related to occupational health & safety. Peter has provided expert witness services for numerous cases involving exposures to Coccidioides immitis (the "Valley Fever" pathogen) in the Central Valley of California. He has also supported various cases involving exposures to both Chemical Hazards such as welding fumes, diesel exhaust, and bunker fuel, and Biological Hazards such as COVID-19 and histoplasma (a fungus in material contaminated with bird droppings). In addition to his own industrial hygiene firm, Peter has served as a corporate CIH for the Oakland office of Intertek/PSI for many years. In 2010, Peter supervised ship decommissioning efforts for the BP Deepwater Horizon oil spill cleanup in Pascagoula, MS; he provided decontamination oversight, trained workers, reviewed confined space entry data, and provided recommendations for safety procedures. As the on-site CIH for Merck's San Francisco campus in 2009–2010, Peter directed the animal allergens program, conducted risk assessments, managed the industrial hygiene database, and made regulatory compliance recommendations. Peter has been a Certified Industrial Hygienist in comprehensive practice since 1990 -- certified originally by the American Board of Industrial Hygiene, which is now the Board for Global EHS Credentialing.