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NYC-WTC_000189299

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000189299–000189300
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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 for Leadership &. Public Service (894M) ATCProiectNo 15 19125 0290

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) April 19, 2002

ci L0CATlQN/SA^lPEgyTMBERJ^ 1 st Floor Main Lobby - Floor /DXl 0 000059 5th Floor Hall by Elevator Floor /DX2 0 000097 IQth Floor Hall by Elevator Floor /DX3 0 00028

April 26, 2002 OXIN CONCENTRATION^ * £v;LOGATI0N/^4>IPLENLMB^ 1st Floor Mam Lobby - Floor /DXl 0 0074 5^*1 Floor Hall by Elevator Floor /DX2 0 00071 IQlh Floor Hall by Elevator Floor /DX3 0 00075

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 nanogf ains per square meter (25 ng/m^)

On 4/19/02 the concentrations on indoor surfaces ranged from 0 000059 to 0 00028 nanograms per square meter (ng/m^) On 4/26/02 the concentrations on indoor surfaces ranged from 0 00075 to 0 0074 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 /(TC ASSOCIA TES INC

Review

lel Java/ / James R Cohn CIH CSP Senior Prc^t Manager Regional Manager Industrial Hygiene Division

Attachment

CITY_21MC100_003085275

NYC-WTC_000189300

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NYC-WTC_000189300Source: NYC Law Department, mirrored locally

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