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






Lutron Dimmer 2" away

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






EMF Rules of Thumb

Wednesday, 20 March 2013 by
EMF Rules of Thumb

Curious about general best practices for minimizing EMF exposure? This post is an excerpt from the Healthy Home Standard, and it includes many great EMF rules of thumb. This is part of a series about the Healthy Home Standard, and there will be another post on additional EMF best practices. The following EMF rules of






LEED EMF ID Credit Application

Tuesday, 12 March 2013 by
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






LEED EMF Credit Denied

Tuesday, 12 March 2013 by
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






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






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






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