4 shared non-person entities · Same agency, volume and box · similarity 0.963
machine-extracted · confidence unavailable · Check page ↗Document / 2 pages
School WTC data web page introduction text, January 2002
Machine-extracted title · confidence 70%Draft text for introduction to school environmental data from WTC monitoring for web publication.
NYC-WTC_000164109–000164110Folder label: “E-mails 2002 M. Gilsenan”
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NYC 9/11 Public Portal Document
The Department of Environmental Protection (DEP), has been working with the involved City agencies, including the Board of Education, to provide air monitoring in and around the schools in the area surrounding what has come to be known as “ground zero”. DEP is collecting 8 hour ambient air samples that are analyzed for asbestos at four locations that are outside of the main entrances of Stuyvesant HS, IS/PS 89, PS 234 and the High School of Economics and Finance. DEP began sampling on October 4, 2001. From 10/4 to 10/18, DEP only did a TEM analysis if the PCM concentration was above. 01 fibers per cubic centimeter (f/cc). During this period of time, there was only one reading above .01 ficc. The TEM result was below the AHERA standard of 70 structures per square millimeter (s/sqmm). As of 10/19, DEP decided to do a TEM analysis on all samples to provide a direct comparison to the AHERA standard. Of the 356 samples that have been collected between 10/19/01 and 1/15/02, all have been well below the AHERA standard of 70 s/sqmm. Since that period, the results continue to be well below the AHERA standard.
NYC-WTC_000164110
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NYC-WTC_000164110Source: NYC Law Department, mirrored locally
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000144546
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4 shared non-person entities · similarity 0.940
machine-extracted · confidence unavailable · Check page ↗3 shared non-person entities · 1 shared topics · similarity 0.939
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000120991
Record documenting the transfer and custody of air samples from Building #100 at 345 South End Avenue collected on October 22, 2001.
3 shared non-person entities · 1 shared topics · similarity 0.938
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000130438
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