Tagged: IAQ testing

Origin of Dust Particulate Matter 0

Composition of Dust Particles and Particulate Matter in The Air

Composition of Dust Particles and Particulate Matter in The Air When I test for PM2.5 and PM10 which are Fine Particle and Coarse Particle designations used by the EPA, I am often asked what...

MERV MPR FPR Air Filter Ratings Compared 2

MERV (Minimum Efficiency Reporting Value) Ratings and Filters

You generally cannot place a True HEPA filter in your air furnace because of the flow restriction would place too heavy a load on the blower unit. But you can get a higher efficiency...

IAQ Indoor Air Quality Particle Size Penetration Respiratory System 0

Testing Particulate Matter and Indoor Air Quality (IAQ)

Respirable Suspended Particles (RSP) are particles or fibers in the air that are small enough to be inhaled. Particles can exist in a number of states including solids, liquids, a combination of the two....

PM2.5 Respirable Particles Indoor Air Quality 0

Indoor Air Quality Testing of Fine (PM2.5) and UltraFine Particles – Why Smaller Particles = Unsafe and Hazardous

It isn’t necessarily the dust you can see that can cause the most severe health issues, it is microscopic dust that is smaller than the eye can resolve that is now linked to a...

Mold Microbiology Indoor Air Quality Testing 0

Biological Contaminants & Poor Indoor Air Quality: Allergens, Bacteria, Mites, Viruses

A number of diseases and illnesses can be traced to environmental factors related to poor indoor air quality. Common allergies (which are medically referred to as Chronic Allergic Rhinitis) are caused by exposures to...

Carbon Dioxide Indoor Air Quality 0

New Homes and Carbon Dioxide Levels: The Overlooked Indoor Air Quality Health Hazard

One of the “mythologies” that I have heard from clients and real estate agents is something along the lines of “But the house is too new to have any air quality issues, isn’t it?”...