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

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%),

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

What is “Lead-Free”?

Friday, 14 December 2012 by
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

Mold Testing is a Bad Idea?

Tuesday, 11 December 2012 by
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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Air Quality Testing San Francisco - GreenFestival

Air Quality Testing San Francisco – Green Festival For the two days we wore passive vapor monitor badges at the Green Festival-SF. This blog about Air Quality Testing San Francisco – Green Festival provides a summary of the air quality sampling methods, lab analysis,  and lab results. Air Quality Sampling Methods Vapor monitors offer an

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toxic building materials

Toxic Building Materials in Residential Construction A reporter from Angie’s List Magazine just asked for my opinion on toxic building materials in residential construction… and while writing my response I realized there was some valuable information to share. Hopefully Angie’s List Magazine will decide to run the piece. Here is my response to some great

safer foam insulation

Safer Foam Insulation Flame Retardants Doing More Harm than Good? Safer foam insulation is on its way to becoming a reality in the US construction industry. Momentum for eliminating unnecessary flame retardants from buildings is growing exponentially. The fire safety benefit isn’t adding up to the known hazards associated with halogenated flame retardants. Leading the

GreenBuild Air Quality Sampling

Healthy Building News from GreenBuild 2012 More than 30,000 attendees from across the world swarmed into San Francisco for this year’s international GreenBuild conference. The conference is hosted every year by the US Green Building Council, and it’s by far the largest green building conference in the US. GreenBuild is, by default, mostly LEED-centric, but

Is Your Couch Dangerous?

Flame retardants creeping you out… For years a small (but growing) group of concerned scientists, designers, and public health advocates have been warning about the dangers of flame retardants. It may seem counterintuitive that flame retardants – intended to reduce risk of harm from fire – could be harmful themselves. However, according to many of

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