NYC-WTC_000210417

NYC 9/11 Public Portal Document

r 20S Stonehinge Lane EMSL Analytical, Inc. Carle Place, NY I15J4 Phone: (S16) 997-72SI Fajc: (SJ6) 997-7S28 EMSL Attn i STEVE POWELL Environmental Monitoring & Consulting Assoc. Monday, October 15, 2001 I (EM & CA) P.O. Box 872 Ref Number. LI0115738 Somen/ille, NJ 08876

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

Project: 110 CHURCH ST NY. NY

Sample ASBESTOS NON-ASBESTOS Sample Location Appearance Treatment % Type "/» Fibrous % Non-Fibrotis 50-17-001 17THFLR/S Grey Teased/Crushed None Detected 20.% Cellulose 30.% Other CENTER SIDE 50.% Min. Wool Fibrous Heterogeneous

50-17002 17THFLR/2 Grey Teased/Crushed Nono Delected 10.% Cellulose 50,% Other CENTER SIDE 40.% Min. Wool Fibrous Heterogeneous

110-17-003 17TH FLR/110 Grey Teased/Crushed None Detected 5.% Cellulose 65.% Other CHURCH ST SE 30.% Min. Wool Fibrous CENTER OF FLR Heterogeneous

110-16-001 16THFLR/S Grey Teased/Crushed None Detected 30.% Cellulose 60.% Other CENTER SIDE 10.% Min. Wool Fibrous Heterogeneous

110-16-002 16TH FLR/ESIDE Grey Teased/Crushed None Detected 5.% Cellulose 30.% Quartz I Fibrous S.% Min. Wool 60.% other I. Heterogeneous L 50-16-003 16THFI.R /N Gray Teased/Crushed None Detected 25 % Cellulose 65.% Other CENTER SIDE 10.% Mln. Wool Fibrous Heterogeneous

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

\ote: ‘'Two samples were submitted with ID50-2B-O02. both results given.

Michelle McGowan Approved Analyst Signatory Diadaimert: PLM h«s boon known to miss In g small pgrcwilape of Bamptea which contain asbostox. Thus naggUv® PLM reouMa camot be gwur^nlowd. cMSL su^QsaU lha( samples i-oportwl as <1% or nona Owioclod ba tssled with eRhor SEM of TEM. The abova test rapon rslalos only lo d tho Roms io«nd. This report may nol bo reproduced, except in Ml. without wntiwn approval by EMSl. The above lest must not be used by the dienl !o claim product ohdofsemenl by NVLAP nor any agency of the United Slates Gooommant Laboratory « not responsible for the accuracy of rosults when rgquastad |o phystcaRy separate and analyze layered sampfos. ilysis perfrMTnoa by £mSL Long Island (NVLAP Air and Bulk aiOIOAB-iq. NYEUaP 11469, CA ELAP 2330. CT PH-O249)

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C ITY_D E P_W0 RB Y_C AN N ATA_SU B P_000021183

NYC-WTC_000210420