Ambient air sampling report Book Two for 105 Duane Street,

NYC 9/11 Public Portal Document

EM Asbestos (air) Count Sheet Client Name: T;_ Volume rliters : 1361., Lab Group : 535 1; Filter Tvoe Filter .area: \,ICE m Lab Sample r: 9 Grid Opening Size: O.0 I 124 Client Sample #: 9 - Area Examined: O.0 - GRID BOX: ! I GD m: Grid Openings: 6 ______ Magnification: Accelerating Voltage: 100 Ke;.• 1 Analysis Date: Ii; 301

I Analysis Performed By: ' ROMAN PEYSA:EOV

OC. Structure Struc:ure Type Lencth C of ,rucure Nor •1 c~ No _ l i Chrys Amonibcie NIcnaso ArrclgiNIC l`ionacc No Coord r I E I C > J5 p I > Su l ~5u j Eements

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Struct = > 0.: u > 5. 1 Aspect Ratio Gne acceptance: v= Posmvediffracnon panem prooenles ronrorming to `5119° unaissolvea filter, ovenapoed orfotaea T• t tis laooratory loentificanon crnena unserveo <10% particulate coverage >50% ooverage ate .east 20 untoldea or ovenaoped grid squares ,5% v= 3DS spectrum soniormm9 :o laooratory notes or opaque areas oenuficanon catena ooserveo Cariscnic ~i'vIP-fIBOLES F = Sinale Piper .A;npntouie .?mcsae I = 3unole I<3 fibers <1 fiber olameter apart Coc:eotite I . .mot-Uot.ts Custer!> Infese onsl anthoonvllite i lull- .;DeSics tvlMains Tre i — acarat natite `I,~n- ,.ee^nt:e: NSC = No .$truc:ures 2etec:ea

NYC-WTC 000104425