NYC-WTC_000228631

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE \ nit! lit (liters): 1824 Lab Group #: 7538 Fl!tei Tynt- । Im- Area: MCE 385 mm- Lab Sample #: 8 Grid Op-.-ning Size: 0.01124

Client Sample #: 10 Arcit \tt mined: 0 04496

GRID BOX: Maiiitkation: 20,000 GRID ID: Acceleruii 'g X'lrltage: 100 KeV # Grid Openings: 4 Aiiulvsis Date: 4/25/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length N or V I EDS i No F B ■ CTM ' >=05M >=51J Chrys : Amptiir;, rci'.asb -An^ND ! i No Coord ! I <5m t Elements) i >

—tz—-

Struct = > 0.5m > 5:1 Aspect Ratio Gno acceptance: Positive diffraction pattern properties conforming to <50% undissolved filter, overtapped or folded Totals latwratoiy ide ntification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped gnd squares <5% r B C ! M >5u V = EOS sperdrum conforming to laboratory holes or opaque areas identificalion criteria observed PH I BOLES 1-----r F = Single Fiber Amosite B = Bundle (< 3 fibers <1 fiber diameter apart Ciocidolite C = Cluster (>3 intersections! Antbophyllite NOI;- ■ )■

Tremolite M = Matrix Actinolite •Non .' i NSD = No Structures Detected

CITY_21MC100_002901177

NYC-WTC_000228631