OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
ATC Environmental, Inc. 104 East 25th Street New York, New York 10010
N.Y.C. School Construction Authority Approved N.Y. State ELAP #10879 30-30 Thomson Avenue ACCREDITED NVLAP Lab Code # 1187 Long Island City, NY 11101 Report Date: 10/04/01
ASBESTOS FIBER ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY (TEM) X-RAY Spectroscopy (EDS) With Fiber Identification by Selected-Area Electron Diffraction (SAED) and Energy-Dispersive Vol. 52, No. 210, October 30, 1987 Method: AHERA Final Rule, EPA Federal Register (40 CFR, Part 763),
Sample Identification Analysis Parameters
TEM Sample No.: 5595 - 59956 Project/Site: Stuyvesant H.S., 345 Chambers.St.. NY. NY Floors 2-5. Escalators Date Received: 10/03/01 Grid openings Analyzed:_j
Project Sample No.: 605-2>5,5-10/3-24 Average Grid Opening: 106.00 um
Air Volume: 1863 liters Total Area Analyzed: 0.0450 mm2
Analytical Sensitivity: 22.2 s/mm2 Filter Type: MCE 25 mm diem.. Pore Size: 0.45 um Effective Area: 385 mm2 0.0046 s/cc
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FIBROUS PARTICULATES ANALYZED Number observed CONCENTRATION Total
Single Matrix Total. Struct. Filter Air Clusters Struct. Struct. >..5um Struct/mm2 Struct/cc ngm/m3 Fibers Bundles
0 0 0 0.0 0.0000 0 Chrysotile Asbestos 0 0 0
0 0 0 0.0 0.0000 0 Amphibole Asbestos 0 0 0
0 0 0 0.0 0.0000 0 Ambiguous 0 0 0
0 0 0.0 0.0000 0 Total asbestos (includes ambiguous structures) 0 0 0 0.0 0.0000 N/A Non-Asbestos 0 0 0 0 0 0 0.0 0.0000 N/A No Identification 0 0 0
0 0 0.0 0.0000 N/A Totals (All Structures) The estimated uncertainty of this analysis is 1 standard deviation. -------------------------------------------------------------------------------------------------------------------------------- Non-asbestos fiber i.d. (EDS/SAED): None detected Amphibole Asbestos Type: None detected -------------------------------------------------------------
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method. The Analysis was carried out in accordance with the approved TEM specified for the method. This laboratory is in compliance with the quality
Analyzed by: Report Reviewed by:
Roman Peysakhov Michael A. Gorycki, Ph.D. Director of Electron Microscopy
NYC-WTC 000106824
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NYC-WTC_000105975
Summary of transmission electron microscopy results for asbestos samples from 250 Broadway dated September 16, 2001.
6 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000105988
Laboratory report on asbestos fiber analysis by transmission electron microscopy for 250 Broadway dated October 1, 2001.
5 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.972
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000106077
Chain of custody documentation for background sampling including asbestos and lead at 250 Broadway in September 2001.
7 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.971
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000104027
Summary of ambient air sampling and visual observations at 105 Duane Street following the WTC collapse.
10 shared non-person entities · 1 shared topics · similarity 0.973
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000104321
Second volume of ambient air sampling and visual observation results for 105 Duane Street after the WTC collapse.
9 shared non-person entities · 1 shared topics · similarity 0.968
machine-extracted · confidence unavailable · Check page ↗6 shared non-person entities · 1 shared topics · similarity 0.947
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000095478
Cover page for an air monitoring and bulk sampling report for Building #200 at 375 South End Avenue.
9 shared non-person entities · similarity 0.945
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000109351
October 2001 TEM air monitoring inspection report for common areas and apartments at 310 Greenwich Street.
6 shared non-person entities · 1 shared topics · similarity 0.944
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000129725
Custody form documenting the transfer and analysis of air samples collected at 125 Water Street in September 2002.
7 shared non-person entities · similarity 0.944
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000117493
Cover page for a report detailing annual assessment, bulk sampling, and air monitoring activities at the specified address.
7 shared non-person entities · 1 shared topics · similarity 0.942
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000107682
Chain-of-custody form containing transmission electron microscopy results for asbestos fiber analysis at a DEP cleanup project dated September 2002.
7 shared non-person entities · similarity 0.942
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000123875
Letter from environmental consultants summarizing ambient air sampling and cleanup activities at 225 Rector Place.
7 shared non-person entities · 1 shared topics · similarity 0.941
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
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NYC-WTC_000106763
Laboratory report containing final air test results for asbestos and lead at 345 Chambers Street including HVAC wipe samples.
Filed in the same folder
Filed in the same folder
NYC-WTC_000106851
Certification that floors 6-11 of school building meet re-occupancy criteria based on post-cleaning visual inspection and air sample testing.
Filed in the same folder
Filed in the same folder
NYC-WTC_000105975
Summary of transmission electron microscopy results for asbestos samples from 250 Broadway dated September 16, 2001.
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