Not All LED’s are the Same (Addendum)

Friday, 08 November 2013 by
LED Dirty Electricity

Dirty Electricity Concerns? In the recent blog of September 10th, 2013, EMI and LEDs – Not all LEDs are the same! we described dirty electricity and examined several brands of CFLs and LEDs.  This blog tests several more brands of LEDs to determine which produces the least amount of LED dirty electricity . It has

Lead in Ceramics

Friday, 25 October 2013 by
lead in ceramics

Recently I was helping a client select ceramic tiles in her new home, and my initial instinct was to approve all the tiles as “healthy” without much research into their contents. I couldn’t imagine there would be any toxicity issues with lead in ceramics. Wasn’t Lead Banned in Ceramics Along with Paints? After reading that one

Magnetic Fields – EMF Consulting

Wednesday, 23 October 2013 by
Magnetic Fields - EMF Consulting

When performing EMF surveys many “EMF consultants” only evaluate low-frequency magnetic fields.  When folks call and say they “have an EMF meter” and are measuring “high emf,” they generally have a Gauss meter and are measuring magnetic field field strength or magnetic flux. Most Building Biologists focus on Alternating Current (AC) electromagnetic fields, and in addition

Radiation Exposure How Much Is “Too Much” Alex Stadtner, president of Healthy Building Science, wrote a blog in April 2012 entitled “Radioactive Granite and Quartzite – Risks from Radon” about discovering high levels of radiation in Quartzite and Granite used in residential building for items such as countertops, flooring, and bath and shower enclosures.  While

Smog and Particulates

Tuesday, 01 October 2013 by

Smog and Particulates How Fine Particulates Affect Exterior and Interior Air Quality No matter how well our “Green and Healthy” homes are designed and built, our interior air quality can only be as good as our exterior air quality (our “source air”), unless we add active air filtration into our building design.  But how do

Dirty Electricity from LEDs

EMI and LEDs –  Not all LEDs are the same! Electromagnetic Interference (EMI, aka: “Dirty Electricity,” or “High Voltage Transients”) is a term coined for quick transient pulses, harmonics, spikes and dips in the electrical power in a home’s wiring that deviates from a purely 60Hz sine wave.  These often occur due to computers, other

How to Clean Up Mold?

Tuesday, 10 September 2013 by
Mold Clean Up - When to Call in Professional Remediators

Most of this blog on how to clean up mold is from the “Help Yourself to a Healthy Home” guide from HUD. We generally suggest hiring an established remediation company with professionals certified by the IICRC… but many cannot afford to pay for that service or don’t feel it’s necessary. Personal Protective Equipment (PPE) for

Mold in the Home – What to do?

Tuesday, 13 August 2013 by
mold in the home

Mold in the Home – What to do? What to do about mold in the home, how to avoid it, how to clean it up, is mold testing a good idea? etc. This blog focuses on residential mold tips. Many of these best practices are drawn from the following government-sponsored resources on healthy homes: Help

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Sick Building

Thursday, 04 July 2013 by
What is a Sick Building?

What is a Sick Building? There is often confusion over the definition of a sick building. We hear questions like, “Is my building sick?,” and, “How do I know if my building is sick?” Therein lies much of the confusion. Buildings don’t get sick, people do! Sick Building Syndrome (SBS) Determining if occupants suffer from

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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