Ambient air sampling report Book Two for 105 Duane Street,

NYC 9/11 Public Portal Document

I TEMM Asbestos (air) Count Sheet I Client Name: Lab Group #: ATC 5954 Volume (liters): Filter Type / Filter Area: 1300 NICE 385 mm=

I Lab Sample #: Client Sample #: 1- H-6 Grid Opening Size: Area Examined: 0.01124 0.06744 mm=

GRID BOX: Magnification: I GRID ID: Csir # Grid Openings: 6 Accelerating Voltage: Analysis Date: 20,000 100 Key 1 1. '23/01

I Analysis Performed By: ;P ROMAN PEYSAKHOV

I GO Structure Structure Type Length ID of Structure N or v EDS (Nonadb No F B C M >=05 N >=5 Chry s Amphiocie Nonaso Amotg/ND No Coord <5N Elements)

I ~ I

I I ' I I I ~ I

I 1 I I __ ___ __

I I

Struct = > 0.5µ > 5 1 Aspect Ratio Grid acceptance: v= Positive diffraction pattern properties conforming to <50% undissolved filter, overiaopea or foldee Totals ' laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped gna squares <5% F B C M J= SOS spectrum conforming :o !aooratory holes or opaque areas identification cntena observed Clarvsotile AMPH1130LES Amphibole F =Single Fiber Amostte p 8 = Bundle <3 fibers <1 fiber diameter apart Croctdolite Ambiguous C = Cluster i>3 Intersections) Anthopnyllite Non-Asbestos Tr he -- ._ M = Matnx Ac:inc inolite Non-Identified I I NSD = No Structures Detected e ~J-- I

NYC-WTC 000104457