{"id":4445,"date":"2014-12-26T01:45:27","date_gmt":"2014-12-26T07:45:27","guid":{"rendered":"http:\/\/radontestingdallas.com\/?p=107"},"modified":"2024-02-28T17:32:30","modified_gmt":"2024-02-28T23:32:30","slug":"indoor-air-quality-testing-composition-dust-particles-particulate-matter","status":"publish","type":"post","link":"https:\/\/emfsurvey.com\/indoor-air-quality-testing-composition-dust-particles-particulate-matter\/","title":{"rendered":"Composition of Dust Particles and Particulate Matter in The Air"},"content":{"rendered":"

Composition of Dust Particles and Particulate Matter in The Air<\/span><\/h1>\n

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 is the nature of this particulate matter. These may also be referred to as TSP (Total Suspended Particulate) or RSP (Respirable Suspended Particulate) matter. While it is very difficult to tell exactly what it is without microscopic analysis and will vary depending on the environment, an educated guess can be made based on what sources are nearby and the potential contribution of those sources based on typical size regimes.<\/p>\n

Possible sources are pollen, toxic mold spores, smoke, bacteria, pet dander, construction dust, etc.<\/p>\n

There are some useful reference charts that not only talk about the ranges of certain pollutants, but also give an indication of different filtration mediums which are relatively effective in removing these contaminants.<\/p>\n

 <\/p>\n

\"Particulate<\/a>

Air Filtration with Regard to Particle Size<\/strong><\/p><\/div>\n

 <\/p>\n

*NOTE 1 – HEPA (High Efficiency Particulate Air) filters are typically rated at 99.97% efficiency for particles of 0.3 um or larger. At this time, I am not sure that a HEPA filter will remove more than 95% of particles which are 0.01 microns in size as this chart seems to imply.<\/p>\n

Also, beware of filters and vacuum cleaners which claim to be “HEPA-like”, “HEPA-type” or “99% HEPA” as these are not true HEPA filters and are often inferior in quality with regard to air filtration efficiency.<\/p>\n

*NOTE 2 -The term DS efficiency mentioned in the Pleated Filter (40% DS ) refers to Atmospheric Dust Spot Efficiency which measures how well a filter removes staining dust from the air.<\/p>\n

 <\/p>\n

\"HEPA<\/a>

\u00a0\u00a0 HEPA Filtration Particle Chart<\/strong><\/p><\/div>\n

 <\/p>\n

\"Particle<\/a>

Particle Filtration Size Chart HEPA vs. ULPA<\/strong><\/p><\/div>\n

 <\/p>\n

\"Characteristics<\/a>

Characteristics of Particles and Particle Dispersoids<\/strong><\/p><\/div>\n

This is a fairly technical diagram for reference use on airborne particle characteristics.<\/p>\n

 <\/p>\n

\"Origin<\/a>

Origin of Dust Particulate Matter<\/strong><\/p><\/div>\n

 <\/p>\n

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<\/h5>\n
WHO IS A CERTIFIED EMF CONSULTANT NEAR ME?<\/strong><\/a><\/h5>\n

ScanTech Technical Consulting is owned and operated by Joel-Anthony Gray who has over 22 years of experience as an EMF consultant, EMI troubleshooting expert and nuclear radiation testing consultant for a variety of commercial and industrial customers. While there is currently no such thing as a Certified EMF Consultant as far as the United States industrial and scientific community at large is concerned, what ScanTech offers is extensive education, experience and multiple certifications in non-ionizing radiation, industrial safety and hygiene. (listed here EMF Credentials)<\/a> He holds numerous degrees and certifications which qualify him for this level of expertise. Call 214.912.4691<\/p>\n

WHO DOES ELECTROMAGNETIC FIELD TESTING NEAR ME?<\/strong><\/a><\/h5>\n

ScanTech Technical Consulting professional commercial electromagnetic field testing and radio frequency testing in the Dallas – Fort Worth Texas area to detect and measure exposures and health risks (if any) to electromagnetic fields and radiation. Call 214.912.4691<\/p>\n

WHO OR WHAT COMPANY DOES EMF TESTING NEAR ME?<\/strong><\/a><\/h5>\n

ScanTech Technical Consulting professional commercial electromagnetic field testing and radio frequency testing in the Dallas – Fort Worth Texas area to detect and measure exposures and health risks (if any) to electromagnetic fields and radiation. Call 214.912.4691<\/p>\n

WHO OR WHAT COMPANY DOES RADIO FREQUENCY (RF) & CELLULAR RADIATION (5G) TESTING NEAR ME?<\/strong><\/a><\/h5>\n

ScanTech Technical Consulting provides commercial radio frequency (RF) testing in the Dallas – Fort Worth Texas area to detect and measure exposures to all forms and frequencies of radio frequency radiation.\u00a0 Call 214.912.4691<\/p>\n

WHO OR WHAT COMPANY DOES PACEMAKER EMI TESTING AND ELECTRICAL INTERFERENCE SURVEYS FOR IMPLANTED BIOMEDICAL DEVICES NEAR ME?<\/strong><\/a><\/h5>\n

ScanTech Technical Consulting provides professional EMI testing for pacemakers and other biomedical implants throughout the United States to detect and measure exposures to all forms of interference from electromagnetic radiation.\u00a0 Call 214.912.4691<\/p>\n

WHO OR WHAT COMPANY DOES RF RADIO FREQUENCY CELL TOWER TESTING NEAR ME?<\/strong><\/a><\/h5>\n

ScanTech Technical Consulting provides commercial cellular testing in the Dallas – Fort Worth Texas area to detect and measure exposures to all forms of RF.\u00a0 Call 214.912.4691<\/p>\n

WHO OR WHAT COMPANY DOES ELECTROMAGNETIC RADIATION TESTING NEAR ME?<\/strong><\/a><\/h5>\n

ScanTech Technical Consulting provides commercial radio frequency (RF) testing in the Dallas – Fort Worth Texas area to detect and measure exposures to all forms of electromagnetic radiation.\u00a0 Call 214.912.4691<\/p>\n

WHO OR WHAT COMPANY DOES ELECTRICAL INTERFERENCE TESTING NEAR ME?<\/strong><\/a><\/h5>\n

ScanTech Technical Consulting provides professional radio frequency (RF) testing in the Dallas – Fort Worth Texas area to detect and measure exposures to all forms of electromagnetic radiation.\u00a0 Call 214.912.4691<\/p>\n

WHO OR WHAT COMPANY DOES NUCLEAR RADIOACTIVITY AND RADIATION TESTING NEAR ME?<\/strong><\/a><\/h5>\n

ScanTech Technical Consulting provides professional radioactivity testing in the Dallas – Fort Worth, Houston, Austin and San Antonio areas of Texas to detect and measure exposure to ionizing, nuclear or atomic radiation. Call 214.912.4691<\/p>\n

WHO OR WHAT COMPANY DOES DALLAS AREA PHOTOMETRIC LIGHTING SURVEYS OR EXTERIOR LIGHTING STUDIES NEAR ME?<\/strong><\/a><\/h5>\n

ScanTech Technical Consulting provides professional photometric testing in the Dallas Texas area for commercial clients to help pass lighting ordinances for their Certificate of Occupancy.\u00a0 Call 214.912.4691<\/p>\n

WHO OR WHAT COMPANY DOES ESD \/ ELECTROSTATIC DISCHARGE TESTING NEAR ME?<\/strong><\/a><\/h5>\n

ScanTech Technical Consulting provides ESD testing in the Dallas – Fort Worth, Austin, San Antonio and Houston Texas area to evaluate, measure and perform Electrostatic Discharge testing and consulting for sensitive environments.\u00a0 Call 214.912.4691<\/p>\n

 <\/p>\n

\n

We often serve clients in Texas, Michigan and Iowa. Cities for onsite commercial testing and inspection services include: Plano, Highland Park, University Park, Park Cities, Las Colinas, Arlington, Fort Worth, Houston, Austin, San Antonio, Shreveport, Grapevine, Frisco, Denton, McKinney, Allen, Lewisville, Irving, Mesquite, Bedford, Euless, Richardson, Coppell, Grand Prairie, Garland, Addison, Farmers Branch, Rockwall, Carrollton, Parker, Rowlett, Lucas, Fairview, Park Cities, Keller, Roanoke, The Colony, Highland Village, Lake Dallas, Corinth, Prosper, Duncanville, Lancaster, Rowlett, Royse City, Princeton, Trophy Club, Southlake, Hurst, Round Rock, Georgetown, San Marcos, Cedar Park, The Woodlands and Spring. Counties served include Dallas, Collin, Denton, Tarrant, Rockwall, Harris and Travis County.<\/p>\n

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 <\/p>\n

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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...<\/p>\n","protected":false},"author":3,"featured_media":3215,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[357,60,256,20],"tags":[398,162,435,228,288,236,191,192,399],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/emfsurvey.com\/wp-json\/wp\/v2\/posts\/4445"}],"collection":[{"href":"https:\/\/emfsurvey.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/emfsurvey.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/emfsurvey.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/emfsurvey.com\/wp-json\/wp\/v2\/comments?post=4445"}],"version-history":[{"count":11,"href":"https:\/\/emfsurvey.com\/wp-json\/wp\/v2\/posts\/4445\/revisions"}],"predecessor-version":[{"id":6979,"href":"https:\/\/emfsurvey.com\/wp-json\/wp\/v2\/posts\/4445\/revisions\/6979"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/emfsurvey.com\/wp-json\/wp\/v2\/media\/3215"}],"wp:attachment":[{"href":"https:\/\/emfsurvey.com\/wp-json\/wp\/v2\/media?parent=4445"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/emfsurvey.com\/wp-json\/wp\/v2\/categories?post=4445"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/emfsurvey.com\/wp-json\/wp\/v2\/tags?post=4445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}