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

NYC 9/11 Public Portal Document 10/15/2001 17:14 5169977528 EMSL LI PAGE 05

208 Stonehin a Lame EM.lSL Analytical, Inc. Carle Place, NY 11514 Phone: (.5)6) 997-7251 Fax: (516) 997-7528 Attn.: STEVE POWELL Environmental Monitoring & Consulting Assoc- I (EM & CA) P.O. Box 872 Monday, October 15, 2001

Ref Number. LI0115738 Somerville, NJ 08876

I POLARIZED LIGHT MICROSCOPY (PLM) - POINT COUNT Performed by EPA 600/R-93/116 Method* I Project: 110 CHURCH ST NY, NY

' Sample ASBESTOS NONK-ASBESTOS Sample Location Appearance Treatment % TJre e/ . F'b r taus /e Ivan-Jr'tbrous -0o1 BSMT 1! S Grey Teased None Detected to

60.% Min. Wool -B9

CENTER 40.% Other

F_______________ Fibrous Heterogeneous

110-H2-001 BSMT2 / E SIDE

I Grey Teased None Detected 80.% Cellulose 20.% Other Fibrous Heterogeneous

50-BZ-W2A" SSMT 2 / N IGmy Teased None Detected 1.% Cellulose 97.% Other CENTER Fbrous 2.% Fiber Glass Heterogeneous

1 s0-62.003 2 / N SIDE Grey Fibrous None Detected I 20.% Cellulose 60.% Other 20.% Min. Wool

I ____ 50-61-002 BSMT1 / NE SIDE IGrey Heterogeneous

Teased None Detected 10.% Cellulose 90.% Other IFibrous 11 IHeterogeneous S0- 1-003 BSMT1 / N

I IGrey - None Detected 5.% Cellulose CENTER SIDE 90.% Other Fibrous 5.% Min. Wool I Heterogeneous

Comments; For all obviously heterogeneous samples easily separated into subsamples, Also. 8 of Layers" refers to number of separable subsamples. and for layered samples, each component is analyzed separately. NY samples analyzed by ELAP 198.1 Method.

Note_ ""Two samples were submitted with 1050-2B-002. both results given.

I Daniel Clarke Ap Analyst

Signatory Dieddm,vrs: PLM has been knovan to asbestos in smell percentage Of miss

a

guaranteed. EMSL suggests that samples reported as 51% or no"e samples

contain asbestos. Thus negative PLM rnsulls cannot be wink"

detected be lasted wth ether SEM or TEM. The above teat the Items tested. This report may not be reproduced. osospt intuit. without report Mates only to written approval by EMSL The ebova tort must not be used by the Gelm Product endorsement by NVIAP nor any agency or the United Stator dent to requested to Physically separate and analyse layered Government. L M'ab

is not responsible for the ecmrgcy of ra6uhs tarttan orat

smpbs, tysie performod by EMSL Long Island (N VLeP Atr and Bulk 1!101 gab.1g, NY EIAP 11483, CA EtAP 2339. CT PN.o26gf

I

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