NYC-WTC_000228469

NYC 9/11 Public Portal Document

TEMAsbestos (air) Con; ^hriet Client Name: NYC BOE oltitne (liters): i Lab Group #: 7321 EUIL' i ' Fil:er Ai ea: M( F. 385 mm- Lab Sample #: 15 A Till -i-.in» Size: li O' 124

Client Sample #: 15 ea Examined: (I.U4496 mm^

GRID BOX: Vla/nifieution: Zli.UOO GRID ID: ■Ave- rati i» Voltage: Il ri' KeV Aiif.lvsis bate: 4 L 02

Analysis Performed By: MARK PEYSAKHOV

GC I ^ructure Structure Type Length ? O' tine \ oi I. EDS (Nonadb No C M"' ■>’65m - >=5)j Chrys NonasD Amuig t-C <5p i Eiemenls) '

Struct = > 0.5p > 5 I Aspect Ratio Grid acceptance: Vx Positive ciffraciion pattern properties conforming to "50% undissolved filter, overlapped or folded To a Is ,<10% laboratory identification criteria observed particulate coverage >50% coverage ate least 20 unfolded or overtapped grid squares <5% F H ' T ' M ; >5l. •7= EDS spedrum conforming to laboratory holes or opaque areas identification criteria observed Tn '. till,' AMPHIBOLES IliiOlO E = Single Fioer Amosite ; III:- B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite C = Cluster (>3 Intersections) Anthophyllite JL-,t.L' Tremolite M = Manix Actinolite L.:^ ttiilcG NSD = No Structures Detected

CITY_21MC100_002900689

NYC-WTC_000228469