10 shared non-person entities · 1 shared topics · similarity 0.996
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NYC-WTC_000202331
Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000202331–000202333Page image
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NYC 9/11 Public Portal Document
Mr. Bernard P. Qrlan November 25, 2002 Wipe Samples for Dioxins Page 2 H. S. for Leadership & Public Service (894M) ATC Project No. 15-19125-Q29P
This provides a single value (in nanograms) for the analytical results for each sample. The sample locations and the results are shown in the table.
DIOXIN WIPE SAMPLE RESULTS (2, 3, 7, 8 TCDD EQUIVALENTS) May24,2002
1st Floor Main Lobby - Floor /DXl 0.00057 5th Floor Lobby - Floor /DX2 — 0.000045 10th Floor Lobby - Floor/DX3 ( 0.00022 Blank/DX4 I”" ~ 0.00
The New York State Department of Health (NYSDOH) established guidelines for dioxin for the re-occupancy of the Binghamton State Office Building following a PCB fire. The NYSDOH
I guiiielmefoT dioxin on suriaces is 25 nanograms per square meter (25 ng/m^).
The concentrations on indoor surfaces ranged from 0.00005 to 0.00065 nanograms per square meter (ng/m2). The levels found in all of these samples are below the NYSDOH guideline of 25 ng/m2. 1 " / ■ ■/’
It is not possible to determine when the 2, 3 , 7, 8 - TGDD equivalents detected in these samples were deposited. Dioxin samples were not collected from these locations prior to January 2, 2002; 7 t
It is our pleasure to provide these indoor environmental services to the NYC Department of Education. If you have any questions about this report, please call (212) 353-8280, extension 212.
Sincerely, ATC Associates, Inc.
James R. Cohn, CIH, CSP Regional Manager Industrial Hygiene Division
Attachment
CITY_2IMC10 0_0 0 3 2 7219 0
N YC-WT C_000202333
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NYC-WTC_000202333Source: NYC Law Department, mirrored locally
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