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

NYC 9/11 Public Portal Document 1rJ/ lb/ LCIrJl VJ7..1b :J10771 1 JGO L_I•I.JL Ll

208 Stonehinge Lane EMSL Analytical, Inc. Carle Place, 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. LI0115738 Somerville, NJ 08876

POLARIZED LIGHT MICROSCOPY (PLM) - POINT COTJNT Performed by EPA 6001R-931116 Method*

Project: 110 CHURCH ST NY, NY

Sample ASBESTOS NON-ASBESTOS Sample Location Appearance Treatment % Type % Fibrous % Non-Fibrous 60-01-001 1ST FLR/NE SIDE Grey Teased/Crushed 4.9%Chrysotile 6.1% Cellulose 68.% Other Fibrous 21.% Min. Wool Heterogeneous

50.01.002 1ST FIR/NE SIDE Grey Teased/Crushed None Detected 40.% Cellulose 45.% Other Fibrous 15.% Fiber Glass Heterogeneous

,,J 110.01.003 1ST FLR/E SIDE Grey Teased/Crushed - None Detected 30.% Cellulose 40.% Other Fibrous 30.ei6 Min. Wool Heterogeneous

50-R-001 ROOF MECH RM Grey Teased/Crushed None Detected 10.,% Cellulose 70.% Other NEAR 20.% Min. Wool TER Fibrous HEATEfi Heterogeneous

50-R-002 ELEVATOR Grey Teased/Crushed None Detected 10.% Cellulose 70,% Other MOTOR RM Fibrous 20.% Min. Wool

I Heterogeneous

50-22'001 22ND FLR/ Grey Teased/Crushed 1.23%Chrysotile 20.% Fiber Glass 78.77% Other PENTHOUSE Fibrous Heterogeneous

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

Note: 'Two samples were submitted with ID50-2B-002, both results given.

I Michelle McGowan 1^

Approved Analyst Signatory Diis daimerm PLM ha; been known to miss asbestos in a small permntege of samples which contort asbestos. Thus negates PLM reaufs cenrtot be guaranteed. EMSL suggests ttmr samples reported as 41% or none detected be tested with sitter SEM or TEM. The above teat report relates only to I

I A ate items tested. This report mar not be reptodvcad, except le full, without written approval by EMSL The above teal must not be used by the client to Balm product endotaemero by MILAP nor any agort<y of IRe Wilted States Government. Laboratory is not responsible for the aeauaey of results when requested to phyeieally separate and analyze layered samples. h- paromted by EMSL Lora island (NVIAP Air are sulk 5, 01040-10, NY ELAP 11489, CA ELAP 2339.01 PH-02491

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