Healthy San Francisco Earth Day!

Healthy Building San Francisco
Healthy San Francisco Earth Day! We had a lovely, healthy San Francisco (420) day – April 20th!  Our Healthy Building San Francisco Earth Day booth was in the center of Civic Center Plaza with a great view of happy, healthy people AND San Francisco City Hall! See a few Thermal Portraits below… Healthy San Francisco
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EMF from LED Lights – Magnetic Fields and Recessed LED Lights

Lutron Dimmer 2
EMF from LED Lights and Recessed LED lights Is there significant amounts of EMF from LED Lights? A designer client of mine had a job she was working on, where her client, a homeowner, was concerned about the magnetic fields in her home.  She was designing a remodel, which included the kitchen, and the designer had
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LEED EMF ID Credit Application

LEED EMF Credit Denied
LEED EMF ID Credit Application The USGBC/LEED recently denied an Innovation in Design (ID) credit application for Magnetic Field (EMF) Reduction. This post includes the official LEED EMF ID Credit Application. The following text is in the traditional formal of an ID credit application and request for a Credit Interpretation Ruling (CIR). Unfortunately the USGBC
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LEED EMF Credit Denied

LEED denies EMF credit
EMF LEED Credit Citing the need for more research on human health effects, and questioning long-established Building Biology approaches to minimizing electromagnetic fields (EMF), the USGBC and denied a recent application for a EMF LEED Credit. Healthy Building Science was the LEED for Homes (LEED-H) consultant for two residential properties (CA and NH) that intended
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Mold Testing – Air Quality Lab Interpretation

Mold Testing Petri Dish Impactor
Mold Testing Air Quality Lab Interpretation People with asthma and mold allergies are the first to ask about mold testing. Since their symptoms are primarily respiratory, it is only logical they ask for “air quality testing.” Other individuals looking for peace of mind or suffering much more severe symptoms sometimes also ask for mold testing air
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Six simple steps can minimize EMF exposure

Minimize EMF exposure
Minimize EMF Exposure The following article was first printed on January 30th, 2013 in the Los Altos Town Crier A growing number of Americans are concerned about electromagnetic fields (EMF) but don’t know what to do to mitigate the problem and minimize EMF exposure. Many European and Asian countries have enacted more stringent EMF regulations
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Fluoride, Health and Drinking Water

Tooth Decay Trend in Flouridated and Non-Flouridated Countries
Fluoride, Health, and Drinking Water The addition of fluoride to the drinking water supply began in the 1950s as a method to fight against tooth decay.  Currently, 11 countries in the world have more than 50% of their population drinking fluoridated water. These include Singapore (100%), Hong Kong (100%), Brunei (95%); Australia (80%), Malaysia (75%),
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Exposure Limits in US – Alphabet Soup

Exposure Limits in US
Exposure Limits in US – Alphabet Soup Exposure Limits in US should be super simple. “Do not exceed #.” But it’s a government regulatory issue… so how simple could it be? Here is a summary of the primary exposure limits used by our government and industrial hygienists in the United States. Permissible Exposure Limits (PELs) – OSHA
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What is “Lead-Free”?

Environmental Testing
What does “100% Lead Free” really mean? What it lead-free? The EPA’s lead rule sets an action level of 15 parts per billion (ppb) and they estimate that more than 40 million U.S. residents use water “that can contain lead in excess of 15 ppb. If tests show that the level of lead drinking water
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Mold Testing is a Bad Idea?

mold testing
Mold Testing is a Bad Idea? “Mold testing” is commonly requested. People like the idea of collecting samples and getting actual data back from a microbiological lab, but mold testing results are highly variable and easily misinterpreted. For there to be statistical significance in the results there must be many samples collected, and most project
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