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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

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Scanned page image, NYC-WTC_000130563
OCR text

OCR status: ocr · source: ours

NYC-WT C 000 130563 NYC Response Asbestos Air Sampling Results for WTC Extended Network Sampling Date and Time: 12/20/01 1200 to 2400 Sampling Date 12/20/01 12/20/01 12/20/01 12/20/01 12/20/01 12/20/01 12/20/01 12/20/01 Sample No. 7093-18-0084 7093-19-0084 7093-20-0084 7093-15-0083 7094-09-0073 7096-12-0078 7095-98-0080 7097-18-0076 Sampling Location Park Row Chambers Street Coast Guard Manhattan PS #143 Bronx PS #154 Queens PS #199 Brooklyn PS #274 Staten Island PS #44 Sample Volume(L" PCM by NIOSH 7400 f/mm? f/cc Matrix Air NYC 9/11 Public Portal Document <7.0 Data Validation Date: 12/26/2001 TEM (AHERA) Structures (#) 0.54-50 Simm? <16.00 <16.00 <16.00 <16.00 <16.00 <16.00 <16.00 <16.00 S~f/cc* <0.0046 <0.0043 <0.0043 <0.0043 <0.0043 <0.0043 <0.0043 <0.0043 *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) ext-12-20-01pm

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NYC-WTC_000130563Source: NYC Law Department, mirrored locally

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