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

cell phone safety

Cell Phone Safety Tips for Limiting Radiation There are many safety tips that focus on immediate life and safety. Here are some examples of common cell phone safety tips: Don’t drive while using a cell phone Don’t cross the street while engaged in conversation on a cell phone If a police officer tells you to

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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Indoor Environmental Assessments – The 3 C’s Indoor environmental professionals (IEPs) are a well-rounded lot. They are trained in building science, construction techniques, mechanical systems, and how to perform healthy building inspections. As with every profession, IEPs rely on guidance documents with definitions and criteria for discussing scenarios they commonly encounter. Indoor Environmental Assessments –

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GreenBuild VOC Sampling - Alex Stadtner

Comparing Air Quality Results from Green Festival and GreenBuild San Francisco For those curious about indoor air quality… we are comparing air quality results from Green Festival and GreenBuild San Francisco. This is a very limited sampling method and sample size, so take these results with a grain of salt. But you must admit it

GreenBuild Air Quality Testing

San Francisco Air Quality Results from GreenBuild Hopefully those who were breathing at GreenBuild are still curious to what was in the air! Below are the air quality results from GreenBuild San Francisco – 2012. San Francisco air quality varies greatly from building to building. Would this building have met LEED standards? This is admittedly a

Green Festival VOC Pie Chart

Air Quality Results from Green Festival San Francisco We’ve been swamped so the release of the air quality results from Green Festival San Francisco has taken longer than expected. Hopefully those who were at the Green Festival are still curious! I don’t have enough time to provide too much commentary or interpretation of the results…

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