NYC-WTC_000212569

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: bPfC BOE Volume (liters): 1928 Lab Group #: 7770 Filter Type / Filter Area: MCE 385 mm* Lab Sample #: I5 Grid Opening Size: 0.01124

£ lient Sample #: 15 Area Examined: 0.04496 mm*

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: too KeV # Grid Openings: 4 Analysis Date: 5/16/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structu'e N or 7 EDS (Nonadb No F B C M >=05 u >=5p Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elemerts)

Siruct =>0 5p >5:l As5)ect Ratio Grid acceptance: s = Positive diffraction pattern properties conforming to *^0% undissolved filter, overiapped or folded Totals It boratory identification criteria observed ' 10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M i >5p \ - EDS spectrum conforming 'o laboratory holes or opaque areas icentification cnteria observed Chrysotile AMPHIBOLES Amphibole F = Singe Fiber Amosite E = Bundle (<3 libers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Actinolite Non-Identifisd hSD = No Structures Detected

CITY_21MC100_002867198

NYC-WTC_0002 12569