Environmental Survey Update Articles HOUSEHOLD VACUUM CLEANERS: THE COLLECTION EFFICIENCY AND EMISSIONS CHARACTERISTICS FOR FINE PARTICLES The issue of fine particle (PM2.5) exposures and their potential health effects is a focus of the scientific research because of the recently promulgated National Ambient Air Quality Standard for PM2.5 . It is necessary to understand total particle exposure issues and to determine the relative importance of the origin of PM2.5 exposure in various micro-environments. vacuum cleaners were tested for the emission rate of fine particles by their individual motors and for their efficiency in collecting laboratory-generated fine particles. tested vacuum cleaners, fine particle motor emissions ranged from 9.6 x 104 to 3.34 x 108 particles/min, which were estimated to be 0.028 to 176 µg/min for mass emissions, The vast majority of particles released were in the range of 0.3-0.5 µm in diameter.

lowest particle emission rate was obtained for a vacuum cleaner that had a high efficiency (HEPA) filter placed after the vacuum cleaner bag and motor within a sealed exhaustResults show >99% of the fine particles were captured by the two vacuum cleaners that used a HEPA filter. series of tests conducted on two vacuum cleaners found that the motors also emitted ultra-fine particles above 0.01 µm in diameter at rates of greater than108 ultra-fine particles/CFThe model that had the best collection efficiency for fine particles also reduced the ultra-fine particle emissions by a factor of 1 x 103 Depending on the characteristics of the vacuum cleaner, its maintenance record, and age, the contribution of fine particles emitted during vacuuming to near field human exposures may be significant. used to estimate the relative importance of vacuum cleaning and, ultimately, other motor emissions versus exposures derived from particles emitted or generated

(Journal of the Air & Waste Management Association, 2/99) HEPA (High Efficiency Particulate Air) filters are special air filters capable of filter efficiency at ninety-nine and ninety-seven one hundredths percent (99.97%) of test aerosol with an average particle size of three-tenths (0.3) microns.Dave's Vacuum Cleaner Service10% OFF any in-stock Miele vacuum - the whole month of October! philips vacuum cleaner fc6130Old vac can't keep up with the mud, grass, and what ever else the kids/pets/etc track into your home during the fall sports season? shimono cyclone car vacuum cleaner reviewUpgrade today at Dave's Vac and take 10 % off any in-stock Miele vacuum! coido 6132 car vacuum vacuum cleaner wet/dry dc 12v

(Models start at $249)Dave's Vacuum Cleaner ServiceEnds September 30! Get a FREE HEPA FILTER ($49.95 value) with the purchase of any new Miele vacuum at Dave's Vac anytime in September!Dave's Vacuum Cleaner Service shared their photo.Dave's Vacuum Cleaner ServiceThank you to all our loyal customers who voted Dave's Vac the BEST VACUUM CLEANER SALES & SERVICE in The Morning Call's Readers' Choice - for the 3RD YEAR IN A ROW! We are truly humbled - thank you!Dave's Vacuum Cleaner ServiceWe repair them all, but if we can't - we will help you recycle your old vac properly! All makes & models of vacuums and sewing machines - always free estimates!Dave's Vacuum Cleaner ServiceNo matter on which side of the aisle you stand, ALL life matters. Please take a moment today to remember those those lost their lives on this horrific day 15 years ago. God bless them and their families. /explore-memorialExplore The MemorialDave's Vacuum Cleaner ServiceTo all who labor... we thank you! Small local businesses are the backbone of our great nation.

Thank you for supporting ours! Dave's Vacuum Cleaner ServiceHappy Labor Day weekend! Aren't you glad we don't need to labor like this to clean our floors anymore? Our owner, Jeff Odenwelder, demonstrates how vacuum your floors with the 1907 Reeves Hand Pump Metal Vacuum.Posted by Dave's Vacuum Cleaner ServiceThe air in our homes is full of funky stuff. Miele vacuums remove 99.9% of dangerous particles from the air. Dave's Vacuum Cleaner ServiceHappy 80th Birthday, Pop! Everyone at Dave's would like to wish our founder a very happy 80th birthday! Hard to believe you’ve been in the vacuum business for over 55 years and still going strong!Dave's Vacuum Cleaner ServiceHappy Fair Week! The Allentown Fairgrounds Farmers Market will be closed August 21 - through Sept 7, but you can still get all your vacuum repairs on 7th street! /Dave's Vacuum Cleaner Service updated their cover photo.Stop in and wish a happy 55th anniversary to Jeff, Dave, Joan, Gary, and Fred at Dave's Vacuum Cleaner Service!

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