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

NYC 9/11 Public Portal Document 10/lb/'20111 0'3: db 'blb / lb2N UMSL L 1

268 Stonahivage Lane EMSL Analytical, Inc. CarkPlfac4 NY 11514 Phone: (516) 997-7251 far. (516) 997-7528 Attn.: STEVE POWELL Environmental Monitoring & Consulting Assoc. Monday, October 15, 2001 I (EM & CA) P.O. Box 872 Somerville, NJ 08876 Ref Number. L10115738

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

Ii Project 110 CHURCH ST NY, NY

Sample ASBESTOS NON-ASBESTOS S tmple Location Appearance Treatment % Type % Fibrous "/o Nan-Fibrous 110-10.001 10TH FLR / SE Grey Teased/Crushed <1% Chrysotile 80.% Min. Wool 20.% Other CORNER Fibrous Heterogeneous

50-10.002 10TH FLR / Grey Teased/Crushed 0.23%Chrysotile 40.% Min. Wool Li ELEVATOR BANK Fibrous Heterogeneous c

1%Amosite 59.77% Other.

I 50.10003 10TH FLR IS SIDE Grey Fibrous Heterogeneous Teased/Crushed 1 None Detected 10.% Min. Wool 90.% Other

I 50-16-001 15TH FLR / SW SIDE OF FIR Grey Fibrous Teased/Crushed 0.48%Chrysotile 4D.% Fiber Glass 59.52% Other

Heterogeneous I 50.15-002 15THFLR/S Not Submitted CENTER SIDE ELEV BANK

III 110-15-003 15TH FLR / E SIDE Grey Fibrous Heterogeneous 0.24" Chrysotlle f 30.% Fiber Glass 69.76% Other

Comments: For all obviously heterogeneous samples easily separated into subsam lee and Also. "# of Layers" D for a layered samples, each component Is analyzed separately. Y refers to number of separable subsamples. NY samples analyzed by ELAP 198.1 Method.

Note: *.Two samples were submitted with 1D50-2B-002, both results given.

Michelle McGowan Approved Analyst Signatory Disdamere: PLM rue been known to miss asbestos In a amaS percentepe maples whid, Of contain asbestos. 1}wa nepatrve PLM mauls caxwt be 9u need. EM3L suggests that samples reported as'1 M, or none detected be tasted with sitter tile items rested The report may not be reprcduoad, except n run, SEN or TEM. The above teat report relates only to without wfi fen rtppmvet by EMSL The above lest must not be used by the 9 claim product endorsement by WVLnp net any agency of the United States client to requested to or+setrally seporara end lnetysa kayoed .rr.eetea Goramnont. Laboratory is rut responsibre for the aoaxaey of resuSa when Deformed by EMSL Lore ISWnd (hlVt.Ap Air NY FLAP 11489. CA ELep 2139, CT PH.0249) lysis

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