Services
About HSA
Health Science Associates (HSA), a Certified Small Business Enterprise, is a full service Industrial Hygiene and Environmental consulting and technical organization which is dedicated to providing specialized services in the occupational and environmental health and safety field. Our services include, but are not limited to, program compliance review, industrial hygiene evaluations, asbestos and lead-based paint surveys, mold assessments, Indoor Air Quality (IAQ), training, injury and illness prevention programs, site specific health and safety plans, noise, dust, air monitoring, clearance sampling, hazard assessments and expert witness services.
Why Choose Us
With a depth and breadth of expertise unparalleled in the industry, we have garnered a well earned reputation for helping clients achieve compliance with laws, government regulations, professional, and/or state of the art guidelines. Our prudent attention to detail has also consistently helped companies reduce risk, protect employees, eliminate potential fines, and prevent expensive lawsuits.
We do what needs to be done, with a pragmatic and ethical approach. We provide accurate assessments based on data you can trust, and offer customized, cost effective, and immediate IH/OEHS solutions while keeping an eye on long-term savings and environmentally responsible results.
Emergency Response
Fast Turnaround
Highly-Trained Staff
Full-Cycle Project Management
Detailed & Thorough Reports
Progressive Problem Solving
Testimonials
Don’t take our word for it – here’s what our clients say:
Health Science is a pleasure to work with. Their knowledge and experience has greatly assisted us with various projects throughout our city. Every associate from Health Science has been professional and always willing to assist our staff with any questions before, during and after projects. I look forward to working with Health Science Associates for our Industrial Hygiene needs.
Carlos Paiz
Safety Manager
City of Anaheim
Thank you. We are very pleased working with your company. The tech you sent out did a wonderful job working with our employees. Thank you all.
J. Godoy
The HSA team that we used for the Tank project at the marine terminal did an excellent job, hope I can get the same team for the next project.
Jorge O
I cannot rank HSA services high enough. Every aspect of the work was performed with professionalism and great communication.
Jim Choate
Executive Director
Facilities and Transportation
News & Events
We’re sharing the latest and greatest in facts, current events and updates from all around the Environmental, Health & Safety industry!
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Heat Illness Prevention in the Workplace: Protecting Employees in Rising TemperaturesAs Southern California continues to experience hotter summers and longer heatwaves, heat illness prevention in the workplace has become a top priority for employers. Both indoor and outdoor workers face significant risks when temperatures rise, and it’s not just about comfort. It’s about safety, productivity, and compliance with state and federal regulations. Employers who fail… Read More
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How to Prepare for an OSHA Air Quality Inspection: Best Practices for Southern California Workplaces
Southern California workplaces face unique air quality challenges, ranging from wildfire smoke to poorly ventilated indoor spaces. When OSHA inspectors arrive, they’ll be looking for proactive controls, documentation, and communication. At Health Science Associates, we help employers meet these standards while protecting employee health and steering clear of costly violations. This guide covers what to… Read More
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What Is Industrial Hygiene? A Guide for Facility Managers Navigating 2025 Compliance Standards
In 2025, workplace health and safety isn’t just a regulatory checkbox—it’s a core part of risk management, employee retention, and operational sustainability. As a facility manager, you’re already balancing equipment, maintenance, staffing, and budget. But there’s one area you can’t afford to overlook: industrial hygiene. At Health Science Associates, we specialize in helping facilities across… Read More
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