Laboratory report from ATC Associates detailing wipe sample results for dioxins and furans collected at a school building in February 2002.
NYC-WTC_000179463–000179464
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Mr Bernard P Orlan March 21,2002 Wipe Samples for Dioxins Page 2 H S for Leadership & Public Service (8 94M') ATCProiectNo 15-19125-0290
WIPE SAMPLLNG RESULTS
ATC submitted three (3) wipe samples for PCDDs/PCDFs (plus one blank) to Pace for analysis A copy of the laboratory report is provided in Attachment 1 Samples were taken from areas specified by the parents association consultant The sample area was one square meter (m^) The sample locations and the areas are shown in the table as well as the results
Each sample was analyzed for sixteen (16) PCDD/PCDF isomers The results for each isomer were then converted to 2, 3, 7, 8 -tetrachloro-dibenzo-p-dioxin (2, 3, 7, 8-TCDD) equivalents by multiplying by an established equivalency factor This provides a single value (in nanograms) for the analytical results for each sample A copy of the analytical laboratory report is attached
DIOXIN WIPE SAMPLE RESULTS (2,3, 7, 8 TCDD EQUIVALENTS) February 14, 2002
Main Lobby Floor /DXl 0.00060 5^ Floor by Elevator Floor /DX2 0.U12 10th Floor by Elevator /DX3 0 00024 Field Blank/DX9 0 00024
The concentrations on indoor surfaces ranged from 0 00024 to 0 012 nanograms per square meter (ng/m^). The levels found in all of these samples are below the NYSDOH guideline of 25 ng/m2
It is not possible to determine when the 2, 3, 7, 8 - TCDD equivalents detected in these samples were deposited. Dioxin samples were not collected from these locations prior to January 2, 2002.
It is our pleasure to provide these indoor environmental services to the NYC Board of Education. If you have any questions about this report, please call (212) 353-8280, extension 212
Sincerely, /I TC ASSOCIA TES INC.
James R. Cohn, CIH, CSP Regional Manager Industrial Hygiene Division
Attachment
CONFIDENTIAL, CITY_21MC100_003459602
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179464
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NYC-WTC_000179461
Laboratory report from ATC Associates detailing wipe sample results for dioxins and furans collected at a school building in February 2002.
11 shared non-person entities · 1 shared topics · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗11 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175602
Laboratory report providing results for polychlorinated dibenzo-p-dioxins and dibenzofurans from school wipe samples.
11 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175608
Laboratory report providing results for polychlorinated dibenzo-p-dioxins and dibenzofurans from school wipe samples.
11 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗10 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗11 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗11 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175652
Laboratory report providing results for polychlorinated dibenzo-p-dioxins and dibenzofurans from school wipe samples.
11 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175545
Report from ATC Associates detailing polychlorinated dibenzo-p-dioxin and dibenzofuran wipe sample analysis conducted at a New York City school.
10 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗9 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175533
Report from ATC Associates detailing polychlorinated dibenzo-p-dioxin and dibenzofuran wipe sample analysis conducted at a New York City school.
10 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175600
Laboratory report providing results for polychlorinated dibenzo-p-dioxins and dibenzofurans from school wipe samples.
11 shared non-person entities · 1 shared topics · similarity 0.992
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NYC-WTC_000179461
Laboratory report from ATC Associates detailing wipe sample results for dioxins and furans collected at a school building in February 2002.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175600
Laboratory report providing results for polychlorinated dibenzo-p-dioxins and dibenzofurans from school wipe samples.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.996 (not a probability)
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Laboratory report from ATC Associates detailing wipe sample results for dioxins and furans collected at a school building in February 2002.
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