NYC-WTC_000210417

NYC 9/11 Public Portal Document p; /

Stonehinge Lane EMSL Analytical, Inc. Carte Place, NY /ISI4 > Phone: (S16) 997-7251 Ftix: (516) 997-7528 EIVIS Attn.; STEVE POWELL Environmental Monitoring & Consulting Assoc. Monday, October 15, 2001 (EM & CA) P.O. Box 872 Ref Number. L1011S738 Somerville. NJ 08876

POLARIZED LIGHT MICROSCOPY (PLM) - POINT COUNT Performed by EPA 600ZR-9.3/116 Method*

Project: 110 CHURCH ST NY, NY

Sample ASBESTOS NON-ASBESTOS Sample Location Appearance Treatment % Type •/. Fibrou* % Non-Fibrous 50-22-002 22ND FLR Grey Teased/C rushed < 1% Chrysotile 20.% Cellulose 60,% other STAIRWELL 20.% Fiber Glass Fibrous Heterogeneous

50-21-001 21 ST FLR / SW Gray Teased/Crushed < 1 % Chrysotile 10% Cellulose 80.% Other CORNER 10.% Fiber Glass Fibrous Heterogeneous

50-21-002 BSMT/E END OF Grey Teased/Crushed None Detected 20.% Cellulose BO.% Other B1J3G Fibrous 20.% Fiber Glass *'•1 Heterogeneous

50-20-001 20TH FLFt/S SIDE Grey Teased/Crushed None Detected 30.% Cellulose 40.% Other CENTER OF FLR 30.% Mln. Wool Fibrous Heterogeneous

50-20-002 20TH FLR/SW Grey Teased/Crushed None Detected 10.% Cellulose 90.% Other SIDE OF FLR Fibrous Heterogeneous

50-19-001 19TH FLR/SW Teased/Crushed None Delected 20.% Cellulase 40.% Other CORNERS 40.% Min. VVool 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 Approved Analyst Signatory Disdaimsri: PLM has b««n known to mi*s Mbealoa in 9 ♦mal porcBntas* of samplvs wMteh contain aspoXo*. Thus naflaUve PLM rwsufts cannot be guarenlesd. €mSL suOgosU that •amptea n»port«<S <1% of none dwoood be lesled with aimer SEM or 7EM. The above lest report reUlee only to 7 tho hems lostad. This report may not M roprwSuced. ascept in fut. w*houl wrioen spprewst by GmSL The above lest musl not be used by the ciianl to claim product undorsement by NVLaP nor any agency of the United States Governmant, Laboratory b not responstote for the 6cc«jn»cy of resUls whor raqueated to phyasealiy Beparst* ond amtvn tayw^ samptos. Analysts performed by EMSL Lend Island (rWLAP Ah and BUK (H0104e-i0. MY ELAP na6S. CA 6LAP 2338. CT PH«O2asj

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CITY DEP WORBY CANNATA SUBP 000021186

NYC-WTC_000210423