NYC-WTC_000193388

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sht Client Name: NYC: BOE Vohi Lab Group #: 8213 Filter Type / F IC :- 385 mm^ Lab Sample #: 14 Grid Opi .01124

Client Sample #: 17 Area 1 .04496 mm^

GRID BOX: Ma- 7000 GRID ID: Acceleratii - KeV # Grid Openings: 4 An: 2 '02

Analysis Performed By: MARK PEYSAKHOV “1 GO. Structure Structure Type Length IDofE EDS No (Nonadb F B C M >=05 u >=5p Chrys Amphibole I No Coord <5p [ Elements)

2-

Struct^ > 0.5p > 5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern propert es conforming to <50% undissolved filter, overlapped or folded laboratory identification criteria observed <10% particulate coverage >50% coverage ate

EDS spectrum conforming to laboratory' least 20 unfolded or overlapped grid squares <5% boles or opaque areas I C ! M >5u identification criteria observed Chi- AMPHIBOLES ; Amf F - Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Amb C = Cluster (>3 Intersections) Anthophyllite Non-As Tremolite M = Matnx ■ Non-Ide; Actinolite ___ i___ fiSD = No Structures Detected

CITY_21MC100_003094576

NYC-WTC_000193388