Chain of custody and cover letter for transmission electron microscopy analysis of air samples from apartments at 125 Liberty Street.
NYC-WTC_000131492–000131727
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet Client Name: ATC Volume (liters)j 3600 Lab Group #: 9045 Filter Type / Filter Area: MCE 385 mm2 • Lab Sample #: Client Sample #: 10 22 Grid Opening Size: 0.01124 Area Examined: 0.24728 mm2 GRID BOX: Magnification: 20,000 GRID ID: ~ Accelerating Voltage: 100 KeV # Grid Openings: 22 Analysis Date: 11/1/02
Analysis Performed By: ROMAN PEYSAKHOV c GO. Structure Structure Type Length ID of Structure Nor EDS
3f~ No Coord No F B C M >=05 N <5N >=5p Chrys Amphibole Nonasb Ambig/ND (Nonasb' Elements) l 01 3"O1((- q -___ +✓
•
I
A Photo o. ____
m m 5 asbestos contaimna samd es _ __
<50 au d SOIV : ep rl __ __ __f . __ __
Struct = > 0.5j. > 5:1 Aspect Ratio <50% undissolved fitter, overlapped or folded Totals d= Positive diffraction pattern properties conforming to <10% particulate coverage >50% coverage ate laboratory identification criteria observed least 20 unfolded or overlapped grid squares <5% F B C M >5- holes or opaque areas v= EDS spectrum conforming to laboratory Chrysotile identification criteria observed
• F = Single Fiber B = Bundle (<3 fibers <1 fiber diameter apart AMPHIBOLES Amosite Crocidolite Amphibole Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified 1 Actinolite NSD = No Structures Detected
NYC-WTC 000131652
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Chain of custody documentation for background sampling including asbestos and lead at 250 Broadway in September 2001.
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Report of transmission electron microscopy analysis for bulk samples from 250 Broadway dated September 16, 2001.
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A document label identifying the location as 140 Broadway and 70 Liberty Street with a unique NYC-WTC tracking number.
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Custody form documenting the transfer and analysis of air samples collected at 125 Water Street in September 2002.
14 shared non-person entities · similarity 0.946
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.
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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_000123875
Letter from environmental consultants summarizing ambient air sampling and cleanup activities at 225 Rector Place.
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Second volume of ambient air sampling and visual observation results for 105 Duane Street after the WTC collapse.
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