Cover page for bulk dust sample analysis, 110 Church Street,

NYC 9/11 Public Portal Document Jd/lb/1b11 03:3b 516y97752b EMSL L1 PA(E 12

I EMSL Analytical,Inc. 208S'tonehiorge Lane Ca>lePlace,NY 11514 Phone: (516)997-7251 Fax (516)997-7528 Attn.: STEVE POWELL Environmental Monitoring & Consulting Assoc. Monday, October 15, 2001 (EM & CA) P.O. Box 872 Ref Number. L10115738 Somerville, NJ 08876

POLARIZED LIGHT MICROSCOPY (PLM) - POINT COUNT • Performed by EPA 600/R-93/116 Method*

Project: 110 CHURCH ST NY, NY

I i n t-LW W Gam, None Detected 80.% Cellulose 20.% Other CORNER Fibrous Heterogeneous

H 50-07-002 7TH FLR/NE Grey Teased/Crushed f I I None Dejected 30.%x6 Cellulose 40.`ya Other CORNER Fibrous 30.% Min. Wool Heterogeneous _________

• 110-17-003 7TH FLR/SE Grey Teased/Crushed None Detected 30.% Cellulose 4d.% Other CORNER Fibrous 30.% Mln. Wool Heterogeneous

82-50-002 Grey Teased < 1%Chrysotile 1.% Cellulose 95.% Other - Fibrous 4.% Fiber Glass Heterogeneous

• Comments: For all obviously heterogeneous samples easily separated into Also. "# of t.ayers' refers to number of separable subsamples. subsamples, and for layered samples, each component is analyzed separately. ' NY samples analyzed by ELAP 198.1 Method.

1 Note; Two samples were submitted with 1D50-2B002, both results given.

Miron Apfeldorfer Analyst 'Ap`proved Signatory DiAdAirn rs: PUN has been known to mfrs asbestos in a :meet petwntage of samples which conlein guaranteed. 5MSt. suggests Ural enptes roporlad 95 '1% asbestos. Thus neDative PLM Insults cannot be a

detected be teetad with either SF-m o(TEM. The above teat the Rams tested. This moan may not be reproduced, uX Pt to Met wl heus written relates only to or

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approval by EMSL. The above test must trot be used by ale diem claim Wodud ---M by NVLAP nor any agency of the United States Government. Laboratory is not to requealad to vr0'a y+-Peesre and analyse kryagd sampler. reaponalble rot the eocrtracy or mauls when ysis performed by EMSL Long bland (NVLAP Air Sod

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