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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_000130568
OCR text

OCR status: ocr · source: ours

NYC-WTC 000130568 NYC Response Asbestos Air Sampling Results for WTC Extended Network Sampling Date and Time: 12/24/01 1200 to 2400(a) Sampling Date 12/24/01 12/24/01 12/24/01 12/24/01 12/24/01 12/24/01 12/23/01 12/23/01 Sample No. 7093-18-0088 7093-19-0088 7093-20- 7093-15-0086 7094-09-0077 7096-12-0082 7095-98-0082(a)T 7097-18-0079(a) Sampling Location Park Row Chambers Street Coast Guard Manhattan IS #143 Bronx PS #154 Queens PS #199 Brooklyn PS #274 Staten Island PS #44 Sample Volume (L)" Matrix 1256 Air 1440 PCM by NIOSH 7400 f/mm' f/cc <7.0 <0.002 <7.0 <0.002 1440 1440 1440 1208 1440 Air <0.002 <0.002 <0.002 <0.002 <0.002 Key: *Structure (S) roughly equivalent to fiber (f) ** Sample volume is based on pump reading *** Sample volume is below recommended limit for TEM analvsis **** Chrysotile NR - analysis not requested NS - Sample not submitted for analysis n/a - Not applicable (a) - Sample 7095-98-0082 (Brooklyn PS #274) was collected 12/23/01 1200 to 2204 Sample 7097-18-0079 (Staten Island PS #44) was collected 12/23/01 1200 to 2400 Data Validation Date: 12/30/2001 TEM (AHERA) Structures (#*) 0.54-5p 5u S/mm? <16.00 <16.00 NS NS <16.00 <16.00 <16.00 <16.00 <16.00 NYC 9/11 Public Portal Document S~f/cc* <0.0049 <0.0043 NS <0.0043 <0.0043 <0.0043 <0.0051 <0.0043 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-12-24-01pm

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NYC-WTC_000130568Source: NYC Law Department, mirrored locally

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