Summary of fine particulate matter (PM 2.5) air monitoring data and health concern levels from the New York State Department.
NYC-WTC_000176035–000176037
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NYC 9/11 Public Portal Document
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Monitoring Sita: Pace University EPA Newsroom Browse EPA Topics Fine Particulate Matter (PM 2.5) Air Monitoring Data tiiws. Si ftegislatiofss Where You Live This table shows how much fine particulate matter (particles less than 2.5 s I'i tor ma! ion Sources micrometers in diameter) the New York State Department of Environmental Educationo! Resources Conservation has measured in the air at this site, on the dates and times shown. Abou! EPA Airborne particles tike smoke and dust are solids and liquid droplets of different Programs sizes suspended in the air. EPA sets the level of concern to caution sensitive Business groups, including children, the elderly, and people with heart or lung disease. For Oppoftimilies fine particles, that level is 40 ug/mS" for 24-hour average exposure. This level is -tobs based on EPA's Air QuaHty Index . Above this level, we recommend that sensitive Reetjfsos eo Espaiiol groups reduce their exposure. Shorter term peaks are also of potential concern for sensitive groups. The level of concern for the general population is 85 ug/m3** over For KIbS a 24 hour period. Most healthy adults and children are expected to recover quickly from any symptoms of short-term exposure like coughing, wheezing, or eye and throat irritation. EPA expects the long-term risk from these short term exposures to be low.
See PM Fact Sheet formore information about particulate matter and how to reduce your exposure.
! Date 1(»D6/2001 Time 12 AM I it Hourly Measurement* ug/m3*** 2^25 J1 10/05/2001 DaHy Average: 33.7
10/05/200? 11PM 30.54 ] 10/05/2001 10 PM 30.23 ] 10/05/2001 9PM 3441 ] 10/05/2001 8PM 2614 10/05/2001 7PM 22.99 10X15/200? 6PM IF 25.29 I 10/05/2001 5PM if 21.1 10/05/2001 4PM I 24.37 10/05/2001 3PM 334? io/osaooi 2 PM 32.92 10/05/2001 1 PM 28.54 3^4 I 12 PM Il 11AM 48.08 I http://oaspub .epa.gov/nyr/pm nionitoring7p addr id=PUNIV ~1 10W2001
CONFIDENTIAL, CITY_21MC100_009513785 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176035
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NYC-WTC_000176032
Summary of fine particulate matter (PM 2.5) air monitoring data and health concern levels from the New York State Department.
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EPA daily summary of environmental sampling and analysis for air, dust, water, and sediments at the World Trade Center site in October 2001.
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Public health guidance on reducing exposure to smoke and dust particulates following the WTC collapse.
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5 shared non-person entities · 1 shared topics · similarity 0.912
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NYC-WTC_000178326
Summary of fine particulate matter (PM 2.5) air monitoring data measured at a New York site following the September 11 attacks.
Similarity score 0.988 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000176032
Summary of fine particulate matter (PM 2.5) air monitoring data and health concern levels from the New York State Department.
Similarity score 0.987 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.981 (not a probability)
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000141083
EPA daily summary of environmental sampling and analysis for air, dust, water, and sediments at the World Trade Center site in October 2001.
Similarity score 0.957 (not a probability)
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