About PEAK

We genuinely care.

Peak is Customer Focused & Employee-Owned

We believe in putting people first and doing what’s right, always – Ethically, sustainably, and always driven by science. Peak is a leader in Industrial Hygiene and Occupational Safety.

We understand how important the safety and health of your employees, properties, and family are to you. And that is why we go above and beyond, delivering the most comprehensive solutions to you. We believe in treating everyone like family and ensuring your needs are met the first time correctly.

To ensure you get the best, every one of our consultants holds the highest certifications and the expertise to level the right skills for the job.

Our experts’ certifications include Certified Industrial Hygienists (CIH), Certified Safety Professionals (CSP), Certified Asbestos Consultants (CAC), Safety Engineers, Air Quality Experts, Environmental Specialists, and industry safety experts.

But we don’t stop there. We also offer the most comprehensive offerings in our industry to do the heavy lifting so that you can focus on what you do best. And we do this holding ourselves to the highest levels of integrity.


Years of Experience

We are honored to help our clients reduce their environmental, safety, and health operational costs, meet compliance objectives, reduce risk and liability, optimize working environments, and achieve long-term efficiencies and solutions.

We serve residential and commercial property owners, governmental agencies, municipalities, manufacturers, and construction, insurance, real estate, pharmaceutical, and other service companies. Because we are a small firm that gives us flexibility, efficiency, and effectiveness at a fraction of the costs ensuring you get the right solution for your budget.

Brent W. Weisbrod


Mr. Weisbrod is a Certified Industrial Hygienist (CIH) and Certified Safety Professional (CSP) with over 20 years of experience protecting health and safety. He is a senior practitioner in the fields of industrial hygiene and occupational health and safety. His areas of expertise include: industrial hygiene assessment, compliance auditing, developing and implementing safety programs, and hazardous materials handling and remediation design. Mr. Weisbrod has applied this expertise across multiple industry sectors, some of which include: aerospace, pharmaceutical, hospitals, chemical, electronics, general manufacturing, mining, electric utilities, construction, real estate, Department of Defense, and municipalities. Mr. Weisbrod has also worked with regulatory agencies and in facilities throughout the United States.

Mr. Weisbrod has performed hundreds of hazard and exposure assessments in a wide range of occupational settings. He has also conducted indoor air quality and workplace accident investigations, traditional industrial hygiene surveys, and baseline/periodic surveys of Department of Defense facilities. Mr. Weisbrod has conducted internal and regulatory health and safety compliance audits. Audits have focused on determining whether clients are meeting internal health and safety requirements as well as state/federal OSHA regulations and other standards. Mr. Weisbrod has developed, implemented, and managed a wide variety of health and safety programs specific for client operations and processes. He has developed site-specific health and safety plans for emergency response and remediation projects as well asbestos dust mitigation, lead compliance, and public safety plans.

He has provided safety oversight during emergency response, environmental remediation and construction projects to ensure work practices were compliant with site-specific health and safety plans, current industry standards, and existing federal, state, local and project requirements. Mr. Weisbrod has managed the health and safety program for companies with staff working in multiple states and served as a contracted safety manager for multiple companies and municipalities.

Mr. Weisbrod has performed extensive air monitoring for asbestos, lead, respirable crystalline silica, PCBs and many other air contaminants, advising clients of health-related impact and regulatory implications. He has conducted hundreds of hazardous materials surveys and provided guidance on proper hazard management for lead, asbestos, PCBs, mercury, and other hazardous materials. He has developed specifications for asbestos, lead, and mold hazard mitigation. He has managed and participated on litigation projects involving occupational exposures, worker compensation claims, and asbestos, lead and mold contamination. He has conducted detailed hazard investigations and provided findings to be used in expert witness testimony and evidence in legal proceedings.

Technical Capabilities

  • Accident Investigation
  • Applied Industrial Hygiene
  • Asbestos Dust Mitigation Plan
  • Asbestos Survey & Remediation Design
  • Compliance Audits
  • Comprehensive Exposure Assessment
  • Construction/Project Safety Oversight
  • Emergency Preparedness
  • Ergonomics
  • Hazard Assessment/Evaluation
  • Health & Safety Program
  • Human Health Risk Assessment
  • Indoor Air Quality Investigation
  • Lead Compliance Plan
  • Lead Risk Assessment
  • Litigation Support & Expert Witness
  • Mold & Moisture Assessment
  • Noise & Vibration
  • Public Safety Plan
  • Radio frequency & EMF
  • Risk Communication
  • Safety Training
  • Thermal Stress
  • Water Quality Testing
  • Wildfire Smoke Assessment
  • Worker’s Compensation Claim Assessment

Certifications & Affiliations

  • Certified Industrial Hygienist (CIH); Certificate No. 9400 (2007)
  • Certified Safety Professional (CSP); Certificate No. 20391 (2008)
  • Certified Asbestos Consultant (CAC); Certificate No. 14-5186 (2014)
  • California Dept. of Public Health Lead Inspector/Assessor; No. 26432 (2014)
  • Radiation Safety & Operation of Portable XRF Analyzers Certificate
  • Department of Defense (DoD) DOEHRS-IH Database Entry & Management Certificate
  • 40-Hour HAZWOPER Certificate
  • OSHA 30-Hour Construction Certificate
  • ASSE Safety Management I & II Certificate
  • Member, American Industrial Hygiene Association
  • Member, AIHA Sacramento Valley Chapter
  • Member, AIHA Northern California Chapter
  • Member, AIHA Exposure Assessment Strategies Committee

Protecting Health & Minimizing Risk

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© 2021 Peak Environmental Health and Safety Engineering, LLC