Annual New York State Air Quality Monitoring Data Tables covering the period from 1999 to 2001.
NYC-WTC_000186075–000186110
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NYC 9/11 Public Portal Document
INHALABLE PARTICULATES - SULFATE, NITRATE FRACTIONS - Dichotomous or Wedding Sampler NYSDEC Region 2 Metropolitan Air Quality Control Region SULFATE FRACTION
Annual Averages 1989 through 1999 1999 Data Summary Annual Arithmetic Mean, (ug/m’) llobservations Highest Values, ug/m^
Station Site No. 1989 90 91 92 93 .94 95 96 97 98 1999 II Total % 1“ 2”^ 3"* Mabel Dean 7093-05 7.4 7.5 8.8 (9.0) (5.1) 6. 5. 5. 6. 4.7 4.5 48 79 16.7 15.1 11.6 (W) 8 1 0 0 [08/28] [09/09] [07/23] PS 59 (D) 7093-10 8.6 (7.6) (7.8) (6.8) 5.2 6. 5. 6. 5. 5.8 XX XX XX XX XX XX 4 6 2 8
Midtown (D) 7093-12 7.6 (7.5) (7.9) 6.6 6.5.7 5. 5. 5. 6.3 (5.0) 43 70 16.7 16.3 15.6 9 9 2 9 [08/28] [09/09] [07/17] Sampling at 7093-10 was terminated on 12/31/98 and at 7093-12 on 09/27/99.
NITRATE FRACTION Annual Averages 1989 through 1999 1999 Data Summary r=ss===:
I Annual Arithmetic Mean, (ug/m^) Observations Highest Values, ug/m’
I Station Site No. 1989 90 91 92 93 94 95 96 97 98 1999 Total % 2"'^ 3rd
Mabel Dean 7093-05 0.3 0.2 0.1 0.8 (0.8) 1. 1. 1. 1. 1.4 0.9 48 79 3.7 3.2 2.6 (W) 0 0 4 8 [11/14] [06/11] [05/06]
PS 59 (D) 7093-10 0.6 (0.5) (0.4) (0.5) 0.4 0. 0. 0. 0. 0.6 XX XX XX XX XX XX 5 5 7 6
Midtown (D) 7093-12 0.7 (0.7) (0.6) 0.6 0.6 0. 0. 0. 0. 0.7 (0.6) 43 70 2.5 2.3 2.2 8 8 6 8 [05/06] [02/171 [05/24]
(Annual Means in parentheses are based on less than 75% available data)W - Wedding Sampler D - Dichotomous Sampler [Date of Occuirence]
NYC-WTC_000186108
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NYC-WTC_000186193
Draft environmental data report for the World Trade Center site prepared by IT Corporation for the EPA in November 2001.
5 shared non-person entities · 1 shared topics · similarity 0.937
machine-extracted · confidence unavailable · Check page ↗2 shared non-person entities · 1 shared topics · similarity 0.933
machine-extracted · confidence unavailable · Check page ↗2 shared non-person entities · 1 shared topics · similarity 0.932
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Draft special investigative audit report on environmental data from the World Trade Center site prepared by IT Corporation.
5 shared non-person entities · 1 shared topics · similarity 0.932
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Memo summarizing daily activities including Church Street paving for a memorial service on October 23, 2001.
2 shared non-person entities · 1 shared topics · similarity 0.929
machine-extracted · confidence unavailable · Check page ↗3 shared non-person entities · 1 shared topics · similarity 0.928
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000177887
Letter and report detailing real-time indoor air quality monitoring conducted at the school in December.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000094871
Cover letter from Clayton Group Services enclosing a final indoor air quality evaluation report for 14 Wall Street dated October 5, 2001.
3 shared non-person entities · 1 shared topics · similarity 0.927
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NYC-WTC_000112955
Letter from ATC Associates dated February 7, 2002 summarizing wipe and air sampling results for P.S./I.S. 89M.
Similarity score 0.921 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000180188
Cover letter from ATC Associates to the NYC Board of Education submitting indoor air quality measurements for 90 Trinity Place in April 2002.
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Letter from ATC Associates reporting indoor air quality measurements collected at a school on March 21, 2002.
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Data log entry recording environmental sample results and metadata for a site sampled on September 25, 2001.
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