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NYC-WTC_000228692

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000228692–000228693
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NYC 9/11 Public Portal Document

Mr. Bernard P, Orlan May 22, 2002 Wipe Samples for Dioxins Page 2 H. S. of Economics & Finance (M833) ATC Project No. 15-19125-0291

DIOXIN WIPE SAMPLE RESULTS (2,3,7,8 TCDD EQUIVALENTS) - Ni ims per square meter (ng/m^)

Main Lobby/DXl 0.000041 5th Floor Hall by Elevator/DX2 0, ssss36 loth Floor by Stair B/DX3 0.000035

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 guideline for dioxin on surfaces is 25 ng/m^.

The concentrations on indoor surfaces ranged from 0.000035 to 0.000041 ng/m^. The levels found in 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 this school prior to January 14, 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.

Reviewed By:

tel James R, Cohn, CIH, CSP Senior project Manager Regional Manager Industrial Hygiene Division

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CITY_21MC100_002901351

NYC-WTC_000228693

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NYC-WTC_000228693Source: NYC Law Department, mirrored locally

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