NYC Law Department release
Independent mirror · updated as the City releases more · v1.3.2
☕ Buy me a coffee
← Document results/Unboxed/No folder label
Document / 1 page

TEM Asbestos air sample results, NYC BOE, Aug 2002

Machine-extracted title · confidence 95%

Laboratory report documenting transmission electron microscopy analysis of an air sample collected by the NYC Board of Education.

NYC-WTC_000175464
Page image
Scanned page image, NYC-WTC_000175464
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client ^anle bn-C BOE VolumeJIiter^ 1944 L lb Group # 8739 Filter Type / Filter Area MCE 38d mm Lab Sample # 10 Grid Opening Size 0 01124 Client Sample # 10 Area Examined 0 04496 mm’ GRID BOX Magnification 20 000 GRID ID Accelerating Voltage 100 KeV # Grid Openings 4 Analysis Date 8/23/02

Analysis Performed By ROMAN PEYSAKHOV

GO Structure Structure Type Length ID of Structure N or V EDS No (Noradb F B C M -5p Chrys Amph bole Nonasb Ambig/ND Elemenis) No ^^yiord 5P

4 4

Struct = > 0 5p > 5 1 Aspect Ratio Gnd acceptance

Positive diffraction pattern properties conforming to 50 / undissolved filter overlapped or folded Totals 10/ particulate coverage 50 / coverage ate laboratory identification critena observed least 20 unfolded or overlapped gnd squares 5 / F B C M 5p •J EDS spectrum conforming to laboratory holes or opaque areas identification cnteria observed Chrysotile AMPHIBOLES Amphibole F Single Fiber Amosite 8 Bundle ( 3 fibers 1 fiber diameter apart Crocidolite Ambiguous C Cluster ( 3 Intersections) Anthophyllite Non Asbestos Tremolite M Matrix Non Identified Actinolite NSD No Structures Detected

CONFIDENTIAL, CITY_21MC100_003431147 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000175464

OCR can misread numbers and units. Confirm readings against the page image before using them.

NYC-WTC_000175464Source: NYC Law Department, mirrored locally

Related records

Browse subjects →

Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.

Same-box records

Filed elsewhere

No available related records indexed in this group.

More like this page

Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.

Others also read

Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.

Compare copies and versions →