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Document / 11 pages

Asbestos air sampling results for December 2001

Machine-extracted title · confidence 95%

Laboratory report detailing transmission electron microscopy analysis of air samples collected in December 2001.

NYC-WTC_000130525–000130535

Folder label: “E-Mail 1/2/02

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Scanned page image, NYC-WTC_000130526
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NYC-WTC_000130526 NYC Response Asbestos Air Sampling Results at Fixed Locations Sampling Date and Time: 12/03/01 0001 to 1200 Sampling Date Sample No. Sampling Location 12/03/01 RST-01425 12/03/01 RST-01426 12/03/01 RST-01427 12/03/01 12/03/01 RST-01428 RST-01429 12/03/01 RST-01430 12/03/01 12/03/01 RST-01431 J-Dup F-Dup RST-01432 12/03/01 12/03/01 RST-01433 12/03/01 RST-01434 12/03/01 RST-01435 RST-01436 I 12/03/01 12/03/01 RST-01437 RST-01438 12/03/011 12/03/01 RST-01439 RST-01440 12/03/01 RST-01441 12/03/01 RST-01442 12/03/01 RST-01443 12/03/01 12/03/01 RST-01444 12/03/01 RST-01445 Sample Volume* 713 720 720 720 720 720 550 372 720 720 710 720 717 720 720 720 720 720 658 RST-01446 12/03/01 FB120301 12/03/01 TB120301 Field Blank Trip Blank Sampling Locations: A: NE corner of West Broadway & Barclay B: SE corner of Church & Dey St. C: Trinity (a.k.a. Church) & Liberty C1: SW corner of Broadway & Liberty St. D: East end of Albany St. at Greenwich St. E: Western end of Liberty St. at South End Ave F: Northern median strip of Vesey & West St G: Church and Duane St. H: South side of Chase Manhattan Plaza at Pine St. I: SE comer of Wall St. & Broadway J: NE corner of Warren & West St. K: West St. & Albany in median strip L: On walkway toward North Park rec area (north side of Suyvesant High), access to TAGA bus area Matrix Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air PCM by NIOSH 7400 f/mm? <7.0 <7.0 <7.0 <7.0 <7.0 <7.0 7.64 8.28 <7.0 12.74 7.01 <7.0 8.28 11.46 <7.0 <7.0 7.64 <7.0 27.0 <7.0 <7.0 <7.0 <7.0 <7.0 f/cc <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 0.005 0.004 <0.007 0.007 0.004 <0.004 0.004 0.006 <0.004 <0.004 0.004 <0.004 <0.004 <0.004 <0.004 <0.004 n/a n/a TEM (AHERA) Structures (#) 0.5p-5p S/mm? <8.89 10 <8.89 <8.89 OOOC <8.89 <8.89 <8.89 NA(2) NA(2) NA(2) NA(2) <8.89 <8.00 NA(") NA(1) <8.89 <8.89 <8.89 <8.89 <8.89 <8.89 <8.89 <8.89 <8.89 <8.00 <8.89 NA(2) NA() M: Western end of Harrison St. at West St. (on tree next to bulkhead) M1 : West St.- 50 yards south of Harrison St.at bulkhead N: South side of Pier 25 (next to volleyball ct) P: NE corner of South End Ave. & Albany Q: Barclay & West St. (center island) in proximity to USCG command post R: TAGA Bus Location S: Rector & South End T: Pier 6 Heliport U: Pier 6 Exit 2 V: Pier 6 Bus Sign W: Wash Tent Common Area 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) FL-12-03-01-am Data Validation Date: 12/06/01 S-f/cc* <0.0048 <0.0048 <0.0048 <0.0048 <0.0048 <0.0048 0.0056 <0.0048 <0.0083 NA(1) NA(") <0.0048 <0.0048 <0.0048 <0.0048 <0.0048 <0.0048 <0.0048 <0.0048 <0.0048 <0.0047 <0.0048 NA() NA(2) * Sample volume (liters) is below recommended limit for the TEM method; volume is based *Stipueture (S) is roughly equivalent to fber (1) *** Chrysotile NA(1) - Not analyzed due to overloading of particulates NA(2) - Not analyzed for TEM NA(3) - Not analyzed due to wet filter n/a - Not applicable NR - Not requested NS - Sample not submitted due to no sample volume NYC 9/11 Public Portal Document

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NYC-WTC_000130526Source: NYC Law Department, mirrored locally

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