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  • Lead & Asbestos In CA: Why Its Required
July 8, 2025

Lead & Asbestos In CA: Why Its Required

Lead & Asbestos In CA: Why Its Required

by Iain Gors / Monday, 29 April 2024 / Published in Environmental Consulting, Environmental Testing, General Contracting, Industrial Hygiene

Lead and asbestos are serious concerns in California, where regulations prioritize health and safety. Understanding the risks, testing thoroughly, and adhering to professional standards are critical steps in protecting yourself and your community.

The Legacy of Lead & Asbestos

Lead, once ubiquitous in paints and other products, and asbestos, widely used in construction, have left a legacy of health risks. Lead exposure can harm cognitive development, while asbestos inhalation can cause deadly diseases. California’s strict regulations reflect the urgency of managing these hazards.

Lead risks
Asbestos risks

Comprehensive Testing for Accuracy

Accurate testing is essential for detecting these hazardous materials. Guidelines like the AHERA 3, 5, 7 rule recommend multiple samples per homogenous area depending on the item of concern to ensure reliable results. Thorough testing minimizes the risk of false negatives, providing a clearer picture of potential hazards.

Asbestos bulk sampling
Lead sampling via XRF Gun

The Pitfalls of DIY Sampling

Attempting to sample lead or asbestos without proper training and equipment is risky. DIY efforts can lead to inaccurate results or exposure to harmful substances. Professional inspectors are equipped to handle sampling safely and accurately, reducing the risk of harm.

When Is Asbestos & Lead Required?

In California, surveys for lead and asbestos are mandatory in certain circumstances, such as before renovations or demolition. Asbestos began phasing out of use in the late 1970s due to health concerns, but it remains present in many older buildings. Lead-based paint was banned for residential use in 1978, but it still exists in many homes built before that year. According to most readings of the NESHAPS asbestos rules, there is no end date for asbestos testing depending on the time of construction. That means that ANY renovation project involving demolition should have an asbestos survey done to determine whether further asbestos testing is needed.

Property owners and general contractors need to be in the compliance with the Cal/OSHA Asbestos construction standard.  This essentially means that you must assume all suspect materials contain asbestos – unless proven otherwise. It’s critical to hire an asbestos consultant to perform an asbestos assessment and determine whether there is any asbestos.

Prioritizing Safety with Lead & Asbestos

Whether you’re a homeowner, contractor, building owner or property manager, safety should be paramount when dealing with hazardous materials. Adhering to Cal OSHA regulations ensures the well-being of yourself and others. By taking proactive measures, you can mitigate risks and create safer environments for everyone involved.

Asbestos sampling

In conclusion, addressing lead and asbestos risks in California demands vigilance and adherence to professional standards. By prioritizing safety and accuracy in testing and handling, you can safeguard your health and ensure peace of mind when concerned about hazardous materials.

Tagged under: Building Material Testing, Environmental Testing, Healthy Building Consulting, Indoor Air Quality, Industrial Hygiene

About Iain Gors

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We are an environmental consulting firm based in the San Francisco Bay Area, a group of scientists working to make your indoor spaces healthier. We test your building or property to find harmful pollutants.
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