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
Sheet TEM Asbestos (air) Count Volume (liters): 3600
• Name: roup #: ATC 9035 Filter Type / Filter Area: MCE 385 mm2 Grid Opening Size: 0.01124 ample #• 34 Area Examined• 0.24728 mm2 t Sample #: 34 magnification: 20,000 Accelerating Voltage: 100 KeV Analysis Date: 10/29/02 i idid Openin ss: 22
Analysis Performed By: ROMAN PEYSAKHOV
RI
<50% undissolved filter, ovenappeu Ratio ur StruCt > 0.5N > 5:1 As >50% coverage ate = properties conforming to <10ao particulate coverage J= Positive diffraction pattern observed least 20 unfolded or overlapped grid squares <5% laboratory identification criteria areas holes or opaque laboratory J= EDS spectrum conforming to LES `• identification aitena observed ~B- 0 _ _ iPH _I Amosite • F = Single Fiber B = Bundle (<3 fibers <1 fiber diameter apart Anthophyilite C = Cluster (>3 intersections) Tremolite M = Matrix Actinotite NSD = No Structures Detected NYC-WTC 000131700
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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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Summary of transmission electron microscopy results for asbestos samples from 250 Broadway dated September 16, 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
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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
Letter from environmental consultants summarizing ambient air sampling and cleanup activities at 225 Rector Place.
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