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Document / 57 pages

WTC environmental lab report and data distribution, January 2002

Machine-extracted title · confidence 65%

57-page lab report documenting World Trade Center environmental test results distributed to multiple federal, state, and local agencies including CDC and EPA.

NYC-WTC_000130550–000130606

Folder label: “E-Mail 1/2/02

Page image
Scanned page image, NYC-WTC_000130596
OCR text

OCR status: ocr · source: ours

NYC-WTC 0001 30596 NYC Response Asbestos Air Sampling Results for WTC Extended Network Sampling Date and Time: 12/22/01 1200 to 2400 and 12/21/01 1200 to 2400 (for sample 7093-15-0084) Sampling Date Sampling Sample No. Location 12/22/01 7093-18-0086 Park Row 12/22/01 7093-19-0086 12/21/01 7093-20-0086 Chambers Street 12/22/01 Coast Guard 7093-15-0084 Manhattan IS #143 12/22/01 7094-09-0075 Bronx PS #154 12/22/01 12/22/01 7096-12-0080 Queens PS #199 7095-98-0081 Brooklyn PS #274 12/22/01 | 7097-18-0078 [ Staten Island PS #44 Sample Volume (LI) 1440 1440 1408 1440 1440 1440 1136*** 1440 PCM by NIOSH 7400 f/mm? f/cc Data Validation Date: 12/30/2001 TEM (AHERA) Structures (#) 0.54 - 54 S/mm' Matrix Air Air <16.00 <16.00 <16.00 <16.00 <16.00 <16.00 <13.33 <16.00 Key: *Structure (S) roughly equivalent to fiber (f) * Sample volume is based on pump reading ** Sample volume is below recommended limit for TEM analysis **** Chrysotile NR - analysis not requested NS - Sample not submitted for analysis n/a - Not applicable NIOSH 7400: Fiber Analysis of Air samples via NIOSH 7400, Revision 3, Issue 2, 8/15/94 Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) EPA 40CFR Part 763 (AHERA) Standard criteria: EPA 40CFR Part 763 (AHERA): 0.01 fiber/cc (PCM), 70 S/mm, volume 1200 L, for 25 mm filter (TEM) NYC 9/11 Public Portal Document S~f/cc* <0.0043 <0.0043 <0.0044 <0.0043 <0.0043 <0.0043 <0.0045 <0.0043 ext-12-22-01pm

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NYC-WTC_000130596Source: NYC Law Department, mirrored locally

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