NYC-WTC_000214161

NYC 9/11 Public Portal Document

TEMAsbe; s (air) Count Sheet Client Name; NYC BOE Volume (liters): 1920 Lab Group #; 7856 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 5 Grid Opening Size: 0.0112- Client Sample #: 05 Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20,000 GRID ID; Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 5/25/02

Analysis Performed By: M a; . 'YSAKHOV

GO. Structure Structure Type ID of Structure Nor v EDS i No ' (Nonadb j F B C M >=95 p >=5p Ctirys Amphibole Nonasb Ambig/ND No Coord <5p j Elements)

2

f

■■

1

Struct = > 0.5p > 5.1 Aspect Ratio Grid accepi.';! -t 'J- Positive diffraction pattern properties conforming to <50% undiss: , overlapped or folded Totals labotafijry dentificapon aiterla observed <10%pan7u o >50% ccsrage ate least 20 ur!. , : tipped grid squares <5% F B C ) M >5u 'I* EDS spectrum conforming to laboratory holes Of ot u'. I identification criteria observed Chrysotile —!— AMPII" , Amphibole F = Single Fiber Arrt' ■ B = Bundle (<3 fibers <1 fiber diameter apart Crcc. Ambiguous C = Cluster (>3 Intersections) Anil Non-Asbestos Tro- 1------ 1 M = Matrix Non-Identified j NSD = No Stnjctures Detected

CITY_21MC100_002852678

NYC-WTC_000214161