IAQ issues LEED Building

IAQ issues LEED Building – Part Two As a healthy building inspector and industrial hygienist, I have performed several pre-occupancy IEQ tests to the LEED standard and specifically for LEED certification, so I am familiar with both the testing and flush out option and IAQ issues LEED Building. The flush out option has been most






Commercial Buildings - SF

Air Quality Problems in the EPA’s San Francisco LEED EBOM Building IAQ Issues in a LEED Building Part ONE At the end of February 2016, NBC ran a segment investigating whether the EPA region 9 building, at 75 Hawthorne Street in downtown San Francisco, was a Sick Building. All answers pointed to yes. In the






Mold in Buildings

Top 10 tips to look for Water Damage and Mold in Buildings Every year the rains return, soil dampens, leaks pop up, and especially mold in buildings is much more prevalent than during the dry times. This winter’s forecast “El Niño” may bring more rain and possible flooding than California has seen in a decade. Many of our buildings are






It's raining it's pouring

It’s Raining, It’s Pouring,   Is Mold growing while I’m Snoring?   Finally! Drought stricken California is getting some significant rain, for the first time in over a year. This was written on December 7, 2014 (Pearl Harbor Day) and as of today Oakland, California has received 3.22 inches of rain so far THIS MONTH,






building a healthy home

Buying a New Home?   There are so many details to pay attention to when you and your family are looking for a new home.  Is the neighborhood safe?  Are there good schools?  Is the house big enough? Have you ever thought to ask “Is this home (and neighborhood) going to be a healthy environment






I have seen blogs and articles on the increase in RF (Radio Frequency) radiation in public places, especially Public Transportation, due to the ubiquity of Wi-fi and personal devices containing transmitters such as smart phones & tablets.  However, I have not seen any information on the low frequency magnetic fields that may be emitted on






What is in that New Car Smell?

Friday, 15 November 2013 by

Testing a new car for VOC’s and Formaldehyde Healthy Building Science recently leased a brand new 2013 Volkswagen Jetta TDI Clean Diesel for use by the inspection department.  While the car is very nice, low emissions and great mileage, it definitely has that New Car Smell.  Being the science geeks we are at HBS, I






Quartzite radiation test

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
Particles_Blue Oxygen

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






residential wiring issues

PART 3: Tracking Down Unnecessarily Strong, Stray Magnetic Fields Many people are concerned about the Low Frequency, Alternating Current, Magnetic Field Radiation (further referred to as Magnetic Fields or MF) that is emitted by our modern electrical system and the devices we use every day. The following blog tracks down what can cause residential wiring






TOP