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): 3600 Lab Group #: 9041 Filter Type 1 Filter Area: MCE 385 mm2 Lab Sample #: 19 Grid Opening Size: 0.01124 Client Sample #: 22 Area Examined: 0.24728 mm2
GRID BOX: fj7 5 Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 22 Analysis Date: 10/30/02
Analysis Performed By: p- ROMAN PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or j EDS (Nonadb' F B C M > 05 i >=5p Chrys Amphibole Nonasb Ambig/ND No Coord No u Elements
Z G, 7 iiii , __ i ~~
z/ t 33 L1
Z )3 l!✓ s-g ,3Z t IIii _L/ __ __ __ __ __ __
C- 1 ! (çV4 1/ 7 Photo o. {from in 5 asbeStos con rmna samq es 'r ___
gnu awaNtaw. ___ ___ ___ ___ ___ ___
Struct = > 0.5(u > 5:1 Aspect Ratio <50% undissolved filter, overlapped or folded Totals v= Positive diffraction pattern properties conforming to <10% particulate coverage >50% coverage ate laooratory identification criteria observed least 20 unfolded or ovenapped grid squares <5% F B C i M i >5µ holes or opaque areas d= EDS spectrum conforming to laboratory Chrysotile identification criteria observed AMPHIBOLES Amphibole F = Single Fiber I Amosite 8 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous ( I C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected
NYC-WTC 000131518
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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.
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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
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