NYC-WTC_000210417

NYC 9/11 Public Portal Document HAIat iU bibyy/ tMi>U 1-i 1 f.i./ 1 u / Z KI01 tl'd : d b

208 Siunehbtge Lane EMSL Analytical^ Inc. Carle Place, NY US14 PJiorte: (5J6) 997-72SJ Fax: (S16) 997-7528 EMSL Attn.: STEVE POWELL Environmental Monitoring & Consulting Assoc. Monday, October 15. 2001 (EM & CA) P.O. Box 872 Ref Number L10115738 Somerville. NJ 08876

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

Sample ASBESTOS NON-ASBESTOS Sample Location Appearance Treatment % Type % Fibrous % Non-ribrous 110-1^001 14TH FLR/S 55.% Other ” Grey Teased/Cruahed < VAChryaoiife 40.% Fiber Glass CENTER SID EOF 5.% Cellulose Fibrous FLR Heterogeneous

50-14-002 14TH PUR/E SIDE Grey Teased/Crushed Nona Detected 5.% Cellulose 40.% ca Carbonatn Fibrous 55.% Matrix Heterogeneous

50-14-003 14TH FLR / S SIDE Grey Teased/Crushed < 1 % Chrysotile 10.% Cellulose 80.% Other Fibrous 10.% Min. Wool Heterogeneous

50-13-001 1 STH FLR/S SIDE Grey Teased/Crushed None Detected 5.% Cellulose 9S.% Other Fibrous Heterogeneous

50-13-002 13TH FLR/ELEV Grey Teased/Crushed None Detected S.% Cellulose 95.% Other BANK Fibrous Heterogeneous

110-13-003 13TH FLR-E SIDE Grey Teased/Crushed None Detected 10.% Cellulose 80.% Other Fibrous 10.% Fiber Glass Heterogeneous

i'omrnents: For all obviously heterogeneous samples easily separated into subsamples, and far layered samples, each component is analysed separately. Also. "4 of Layers" refers to number of separable subsamples. ■ NY samples analyzed by ELAP 198.1 Method. i ! ( Note: "Two samples were submitted with ID50-23-0O2, both results given.

■ 4- Michelle McGowan Approved Analyst Signatory Dlselaimors: PLM known to mis* MpeMoi in » smaR perconlaoe of sdmpla* wMlch eontain Ihu« rwgativrs PLm (Muti* canhOlDa giwrantead EMSL •Uflfleits tampto* reported a* <1U or none detoctea po with either 5EM or TEM. The 9Dovb UW report relate* only to 10 the Homs teetad. This report may nrt be repmduc^j. »Moep( in full. wHhowt wrin»n approval by EMSL. Tho above leel must not be utad by the eJient to dam product endorsefnent t>y NVLaP nor any agoncy of aw United Slates GovemmenL Laboretory la not rpsponelble for ihe eoct/recy of r«suRa whon requostod Ie pl ijmically separeO and ana/yza layered sample*, lyulysis pertotmod by EMSL Long Island (NVUAP Air and Bulk MlOKHB-W. NY ELAP 11*69. Ca ELAP 2339, CT PH-O24$J

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CITY DEP WORBY CANNATA SUBP 000021189

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