New OSHA Silica Testing Requirement in Effect OSHA has issued two standards (“rules”) to minimize exposure to respirable crystalline silica. One rule applies to construction trades, and the other for general industry and maritime workplaces. This blog focuses on the new OSHA Silica Testing requirements for the construction industry. September 23, 2017, kicked off enforcement for most






Dust & Smoke from Fires

Dust and Smoke From Fires Far more people have been impacted by dust and smoke than fires themselves. If you were directly impacted by fires you should read Cleaning After Fire. For others in the region who have been more directly impacted by dust and smoke from fires, please consider these tips to minimize health






Cleaning After Fire

Wednesday, 18 October 2017 by
Getting Back to A Healthy Home - Cleaning After Fire

Cleaning After Fire The October 2017 California Fires in Northern California were devastating. Northern California will be dealing with the death and destruction of recent wildfires for years.  The immediate life-safety concerns about fire are obvious and frightening, but what many don’t realize is that returning to fire damaged buildings is also hazardous. Cleaning after






asbestos in the home

Environmental Compliance Testing Protects Occupant Health The word “compliance” may set our freedom loving hearts on high alert. Most Americans tend to push back when anyone tries to limit our personal liberties. But when it comes to our environment, compliance testing is necessary and can help expand our freedoms – Freedom from fear of drinking






LEED for New Construction - By Building Type

LEEDv4 IAQ Testing Requirements Industrial hygienists across the US have been watching the USGBC as they’ve updated the Indoor Air Quality (IAQ) Testing Credit for Post-Construction. LEEDv4 IAQ Testing requirements have changed since LEEDv2009. Many health and healthy building advocates hoped they would lower the allowable levels of formaldehyde, but due to industry uproar that did






Indoor Environmental Quality and Health

Indoor Environmental Quality, (IEQ) Work Performance, and Health A peer reviewed paper on quantitative relations between indoor environmental quality (IEQ) and work performance or health from the Helsinki University of Technology and the Lawrence Berkeley National Laboratory presents relationships between ventilation rates, temperature, and perceived air quality to short term sick leave, work performance, and






Property Managers Limit RiskProperty Managers Limit Risk

5 Ways Property Managers Limit Risk From Environmental Claims A Property Manager is often stuck between a knife (tenants), a gun (owners), a judge and jury, and a hard place. Environmental claims are common pitfalls that cause even the best Property Managers to stumble into a dark alley, or wind up on the wrong side of the bench in






building science terminology

Building Science Terminology This blog shares some recommended terminology from the US DOE. We are only looking at terminology and frequently used words and phrases in this blog, and not definitions of building science terms. I admit that Building Science Terminology is sophisticated and can be confusing, but I’m not sure that the DOE’s recent efforts






What is Asbestos?

Friday, 31 October 2014 by
Asbestos with muscovite

What is Asbestos? How Dangerous Is It and What Is It Doing In My House ? These are all questions we’ve asked ourselves at one point or another.  We’ve all wondered WHY would something potentially as carcinogenic  would have been used with near-abandon for so long? Why would this potential carcinogen be lurking our homes,






Where Is Asbestos In The Home?

Friday, 10 October 2014 by
asbestos in the home

Where is Asbestos in the home?  Asbestos, a naturally occurring silicate mineral, was once called the “miracle” fiber, because of its fire-resistant, thermal insulating, non-conductive, flexible, strong, and wear resistant properties. The ancient Greeks and Romans both used asbestos for tablecloths, napkins, towels, and linings for suits of armor. It is rumored that early Roman Emperors






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