NYC-WTC_000210417

NYC 9/11 Public Portal Document PAGE ee p ?: 3 3 515’3377526

20S Stonehinf;e Lane EMSL Analytical, Inc. Carle Pluce. NY J15I4 Phone: (SI6) 997-7251 Fax; (516) 997-752S EMSd1 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 COUNT Performed by EPA 600/R-93/116 Method*

Proiect: 110 CHURCH ST NY. NY

Sample ASBESTOS NON-ASBESTOS Somple Location Appearance Treatment % Type % Fibrous % Non-Fibrous 110-12-001 12THFLR/SW Grey Teased/Crushod 0.71% Chrysotile 20.% Cellulose 59.29% Other CORNER 20.% Min. Wool Fibrous Heterogeneous

SO-12-003 12TH FLR / N SIDE Grey Teased/Crushed Nona Detected 15.% Cellulose B5.% Other Fibrous Heterogeneous

50-12-003 12TH FLR /N SIDE Grey TessedlCrushed None Deteaed 10.% Cellulose 75.% Other Fibrous 15.% Min. Wool Hetarogeneous

50-11-001 nTHFUR/SSIDE Grey Tcased/Cfushed 1.4% Chrysotile 20.% Min. Wool GB.6% Other Fibrous 10.% Cellulose Heterogeneous

50-11-002 iithflr/n side Grey Teased/Crushed None Detected 20.% Cellulose 70.% Other Fibrous 10.% Min. Wool Heterogeneous

110-11-003 11THFLR/W Gray Teased/Crushed 0.52% Amosite 10.% Cellulose 78.96% Other SIDE 0,52% Chrysotile 10.% Min. Wool Fibrous Heterogeneous I

Comments; For all obviously heterogeneous samples easily separated into subsamples, and for layered samples, eaph 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 1D50-2B-OO2. both results given.

Daniel Clarke Ajsproved Analyst Signatory Dtoetaimors: PtM he* been known to IS in a mail pmenntasa of nniplas when izonlaln aab«ios. Thus n«B“liv« PLM rosulu cannot bo EMSL vugg^st* in* SampU** rapohed to <1% or none dstectad he Umted wHh either SEM or TEM. The above cost report relataa only (0 iho tain* ta«e<4. ThW fapbrt may nol be reproduced, except io fun. without wf Hton approval by EMSL The above Iasi must not ba uead by Ihe el«^ te 8 CiSim prodljd nndoraemertt by >NLAP nor eny agency erf the United Slates Govemrnenl Laboratory to not recporaieie for the oooureey of rosuR* when |o pHyweaify aepereto ana anatyxe WyerwJ sampto*. performed by EMSL Long island {NVLAP at end Buk n<Jioe8-l O. NV ELAP 11469. Ca ELAP 2339. CT PH.O2a9)

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