Ambient air sampling report Book Two for 105 Duane Street,

NYC 9/11 Public Portal Document

I Th M asbestos (air) Count Sheet

1 Client Marne: Lab Group : ATC 5850 Volume f?it~rs;: F 7Iter Tvne Filtar .Ar'!x 00 !CE =85 non. Lab Sample -4 • ;- Grid Openimz Size: 0.0! Client Sample T: H-5 - Area Examine : 0.06744 mn: GRID BOX: !~ Magni#icatiun: _ GRID ID: __ Aceelerati;p Voltas~e: 100 K_e`' Grid Ooenings: 6 Anal•~sis Date: 11 `3 0: r7 Analysis Performed By: ^ ROt✓L~N PEYSAKHOV

GO Structure 1 Structure -1pe Length I :C of ;,mcure N ,,r •j _~` Na r b C M 'Nonacb No Coord >=j Cht/ < amontoote Ndnaso vmot8/NC <5u Elements;

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1 csttive diffraction pattern oraoerttes contormtng m laeoratory ioentiflcsuon criteriaauserveo _CS specrum conrorming to taooratory <50% unaissotved Flter, ovenaaoea or:oiceo <10% oarnculate coverage >0% coverage ate least 20 untclaed or overlapped gna squares 5% T 1"tais \j noses or ]oaque areas Idenuficanon criteria ooservea • ?,N-tPHIBG`L~ F , ~•~mgte ber i.7.D111CU1e amosne 3 - 9unale I<3 f'ibers <1 fiber aiamete. roan ;,ocicioute - 2-inoi`-tltuc C = C:uster>3 !ntersecaonst anthoonvtlite _;emutite M = Matrix h.ctinotlte :'tUll- NSC = Na 3truc:ures etec:ea

NYC-WTC 000104433