Certifications and Licenses

Find our toxic mold testing credentials here.

In order to circumvent the SFBDI’s J-card asbestos requirements for a building permit, people have forged our asbestos and lead credentials.

We gladly supply this information to our clients.

Please contact us for further information.

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Prepare for Your Mold Inspection

Keep all doors and windows closed for a period of two hours before any testing begins. Turn off air purification machines for twenty-four hours before the

Choose the Right HEPA Air Purifier for You

There are lots and lots of personal air purifiers for sale out there. So, make a great buying decision by using a little knowledge.

Other Toxic Mold Consultants

We are a very small, family-owned and run San Francisco business. For other toxic mold consultants outside San Francisco click here(ACAC).

SF Lead Notice of Violation

Have you received a Lead-paint Notice of Violate? We can help.

SF Asbestos Notice of Violation

Mold Laws for Tenants

New California state and SF City laws took effect on January 1, 2016. The biggest change is Senate Bill 655 (SB 655) or the Mold Housing Act.

How to Keep Your Apartment Healthy

Mold growth is always caused by too much water or humidity inside the living spaces. Reasons for high humidity: water leaks, no or low performing exhaust fans..

How to Remove Lead-based Paint Dust

Old doors and frames painted before 1980 usually have lead-based paint. When the door rubs against the frame this will create dust. This area is called a friction point and can be found on windows as well. Lead dust is dangerous to children under 7.

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Watch John and Dave Asprey Talk About Toxic Mold in Buildings.