San Francisco Water Supply, New Chemicals & Ground Water Testing For the first time in nearly nine decades, San Francisco is blending local groundwater with Hetch Hetchy Reservoir water, sourced from over 167 miles away. For some, this change has been hard to swallow as San Francisco residents have long held bragging rights to exceptional
Dirty Electricity from LEDs Many folks interested high fidelity sound systems or low-EMF environments want to minimize electromagnetic interference (AKA: EMI, High-Voltage Transients, Electrical Noise, and Dirty Electricity) from lighting systems. Compact fluorescent lightbulbs (CFLs) – the curly pig tail variety with some mercury in them – are notoriously “dirty” and create significant EMI. As the
- Published in Environmental Testing, Green Building Consulting, Healthy Building Inspections & Testing
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
During one of my many presentations on Building Enclosure Commissioning to architecture firms, I had a question from a concerned architect that I think echoes the concern in many professionals’ minds about mold. The architect in question was wondering if there is any way to guarantee “on paper” that mold will never occur in an
House Plants Can Contribute to Healthier Indoor Environments We spend about 90% of our time indoors. While inside, we are exposed to a variety of indoor air pollutants. Reducing or removing these pollutants and creating an optimal indoor environment is important to our health and well- being. House plants reduce VOCs and are an easy
Indoor Air Pollution Near Busy Roads Freeways and other busy roads are sources of elevated auto emissions and Indoor Air Pollution. These emissions can be harmful to human health for both people on the roads and people working, walking, and living nearby. Nearly 20% of the United States population lives near a high volume road,
Which Portable Air Filters for Allergies are Right for Me? Are you suffering from allergies? Did you recently remodel your home and are bothered by noxious odors? Wondering which Air Filters for Allergies are right for your home or office? Or maybe you want to take preventative action against any possible indoor airborne pollutants in the
For Our Home, Our Health, and Our Environment: Green Cleaning Products A regular and thorough cleaning regime is important in maintaining a healthy indoor environment. The cleaning products we use, however, can have adverse health effects. Most household cleaners can contain a plethora of chemicals. Overexposure to these chemicals can cause a variety of health
- Published in Healthy Building Inspections & Testing
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
Indoor Air Quality and Brain Performance The Harvard School of Public Health recently released results of a small study that supports what green building enthusiasts have known for years – Indoor Air Quality and Brain Performance are directly connected. While small (24 real people), the double-blind study appears to have been well-crafted and executed under exacting controls. With much ado,
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