Copyright National Air Filtration Association 2006 Rev. 2 Schools

Copyright National Air Filtration Association 2006 Rev. 2 In The News! Orange County, Florida. A veteran teacher took disability leave as a result of chronic fungal sinusitis, which she claims was caused by her school's air. Spores were detected in seven Orange County schools at levels high enough to cause allergic reactions. (Orlando Sentinel Tribune) Pomeroy, Washington. Students and teachers at a high school experience sore eyes, coughing, dry throats, and other symptoms. Twelve of 21 staff members reported symptoms. It was determined that the ventilation system was not operating properly. (Lewiston Morning Tribune) University of Massachusetts, Boston. In separate incidents just days apart, eight and 27 people were treated for medical symptoms including nausea, burning lips, tight throats. The university closed the campus twice to conduct indoor air quality investigations. The university claimed that the problems resulted in part, from an inadequate ventilation system. (The Boston Globe)

Copyright National Air Filtration Association 2006 Rev. 2 Illinois School Repairs Reduce CO2 Results In Cleaner Air

Copyright National Air Filtration Association 2006 Rev. 2 Why are schools in the forefront? 51 million people occupy school buildings each school day (1 in 6) –2.3 million teachers –126,000 administrators –600,000 support staff 110,000 schools –85,000 public –25,000 private

Copyright National Air Filtration Association 2006 Rev. 2 School IAQ Culprits  Particulate  Non-viable – airborne dirt, dust, lead, and asbestos  Viable – bacteria, mold, and mildew that come from contaminated air handling systems, books, carpets, etc.  Volatile Organic Compounds (VOC’s)  Chemicals such as formaldehyde or other gases from building materials, carpets, furniture, or ozone from copiers and other office equipment

Copyright National Air Filtration Association 2006 Rev. 2 Pollution Contributors Computers Pesticides Waxes Glues and resins Disinfectants Deodorants Smoking Insulating material Photocopiers Solvents Inks Carpeting Deodorizers Hairsprays Perfumes PEOPLE

Copyright National Air Filtration Association 2006 Rev. 2 Pollution Contributors PEOPLE –Colds –Flu –Ring Worm –Conjunctivitis

Copyright National Air Filtration Association 2006 Rev. 2 Particle Emission Based Upon Activity ActivityParticles Standing/Sitting (no movement)100,000 Light movement500,000 Body & arm movement1,000,000 Changing Positions2,500,000 Slow walking5,000,000 Average walking7,500,000 Calisthenics 15 million plus

Copyright National Air Filtration Association 2006 Rev. 2 Sick Building Syndrome Eye Irritation Dry Throat Rhinitis Runny Nose Headache Fatigue Sinus Congestion Skin Irritation Shortness of Breath Cough Dizziness Nausea Mental Confusion MILD SEVERE Courtesy of Jeff Moores 2003© www.jeffmoores.com

Copyright National Air Filtration Association 2006 Rev. 2 Respiratory Disease and Absenteeism Respiratory tract infections are the most common infectious illnesses among humans Respirable particles are under 5.0 microns in size ASHRAE 1996 Systems & Equipment Estimated to annually cause in the United States: –150 million lost workdays –75 million physician visits –$15 billion medical care costs World Health Organization

Copyright National Air Filtration Association 2006 Rev. 2 Airborne Concern 3.0 micrometer is representative of airborne droplet nuclei Associated with coughs and sneezes Transport mechanism for viruses and bacteria

Copyright National Air Filtration Association 2006 Rev. 2 Particles Produced by Infected Persons

Copyright National Air Filtration Association 2006 Rev. 2 Classroom Environment 2/3 of school population average 30 students and 1 teacher per 1000 sq feet At 15 cfm / person, the outside air requirement per classroom is 465 cfm per ASHRAE Existing units at 10% outside air introduce 200 cfm

Copyright National Air Filtration Association 2006 Rev. 2 Common Filters Low grade filters of fiberglass / polyester construction offer little protection in 3.0 micrometer range MERV 1 to 4 Information on particle size versus efficiency - NAFA

Copyright National Air Filtration Association 2006 Rev. 2 Low Resistance Pleated Panels MERV 8 provides over 70% efficiency in the 3.0 to 10 micrometer range 200% more efficient than throw-away filters

Copyright National Air Filtration Association 2006 Rev. 2 Financial Consideration $6,100 per pupil, per year, based upon attendance (may vary with school district) 180 day school year or $33.88 per day 3% absenteeism is 5.4 days or $183 in lost aid 2% absenteeism would reduce to $122 An increase in aid of $61 PER STUDENT

Copyright National Air Filtration Association 2006 Rev. 2 Goals of Proper Air Quality Lower the health risk Reduce absenteeism of students, faculty, and staff Improve energy efficiency Reduce liabilities It’s the Right Thing to Do!

Copyright National Air Filtration Association 2006 Rev. 2 Resources The U.S. Environmental Protection Agency (EPA) Building Air Quality: A Guide for Building Owners and Facility Managers Kits can be ordered from Government Printing Office (stock no ) Or Call GPO at (202)