Public health guidance on reducing exposure to smoke and dust particulates following the WTC collapse.
NYC-WTC_000153208–000153213
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
DRAFT 10/17/01 @ 11:30a.m. effective method to clean and minimize resuspension of dust.
Moisten dusty and sooty, non-porous surfaces prior to wiping them. This will reduce the amount of particulate becoming airborne. Some porous materials may be damaged by water and may require specialized cleaning techniques. Avoid breathing the dust if any is stirred-up by wiping, and make sure surfaces are dry once the dust is removed.
Clean roof-top and building air conditioning systems before use and assess duct work for signs of contamination.
Replace or clean dirty air conditioner filters and set the air conditioner to re circulate if indoor air is relatively dust-free.
Wash plants and furnishings prior to moving them indoors.
5. In dusty areas, minimize dust entering the home by leaving shoes outside, using a door mat and wiping pets feet at the doorway.
Air Quality Index:
Health Comparison Guideline Table for Ambient PM* 24 Hour Levels 24 Hour Levels Air Quality Cautionary Statements
PM25** PMio** 0-15 0-55 Good None >15-40 >55-155 Moderate None >40-65 >155-255 Unhealthy for Sensitive People with respiratory or Groups heart disease, the elderly, and children, should limit prolonged exertion. >65-150 >255-355 Unhealthy People with respiratory or heart disease, the elderly Sensitive groups may and children, should avoid experience more serious prolonged exertion; everyone else should limit health effects. prolonged exertion.
NYC-WTC_000153212
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Public health guidance on reducing exposure to smoke and dust from WTC collapse.
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Draft fact sheet from NYC Department of Health regarding air quality impacts and health complaints following the WTC collapse.
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Fact sheet explaining health impacts of WTC dust and smoke with recommendations for protection.
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