NYC-WTC_000210417

NYC 9/11 Public Portal Document

20S Stonehinge Lane EMSL Analytical, Inc. Carle Place, NY 11SJ4 Phone: (516) 997-7251 Fax; (516) 997-752S EMSU 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*

Project: 110 CHURCH ST NY, NY

Sample ASBESTOS NON-ASBESTOS Sample Location Appearance Treatment % Type % Fibrous % Non-Fibrous 110-04-001 aTH FLR/SW Gray Teased None Detected 20.% Cellulose 20.% Other CORNER 60.% Mln. Wool Fibrous Heterogeneous

SO-04-002 4TH FUR / E SIDE Grey Teased/Crushed None Detected 40.% Cellulose SO.% Other Fibrous Heterogeneous

50-04-003 4THFLR/N Gray Teased/Crushed None Detected 30.% Cellulose 40.% Other CENTER SIDE 30.% Min. Wool Fibrous Heterogeneous

50-19-002 19THFLR/E Grey Teased/Crushed None Detected 10.% Cellulose 50.% Other STAIRWELL 40.% Min. Wool Fibrous Heterogeneous

50-18-001 1STHFLR/N Cray Teased/Crushed None Detected 10.% Cellulose 50.% Other SIDE CENTER OF 40.% Min. Wool Fibrous FLR Heterogeneous

50-13-002 13TH FLR/SW Grey Teased/Crushed None Delected 5.% Cellulose 50.% Other iSIDE OFFLR 4S.% Mln. Wool Fibrous Heterogeneous

Comments; For all obviously heterogeneous samples easily separated into subsamples, and tor 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 IDS0-2B-002, both results given.

Michelle McGowan Approved Analyst Signatory Disdaimars: PLM ha« been known in mi»« asb«*ioc In ■ »m«B percentege of which con,ah aabeaioa. Thus nogative PLM fWMfla cannot be Ouau’antaod, EMSL IhM samplea reported «- ntjrw detected be tested with eUhor SEM or T6M. TVie above leal rapon ratals only \o 3 iho item* tasted. Thia report may not bo roproduced. except or Ml. wrthpui wrilten approval by EMSL The above must not be used by the client to clalfn orodud enflorsemont by NVtAP nof any aoancy of Iha United State* Gowmmenl. Laboralory is not rasponelble for the accuracy of mwlu when coouested to pryystcaiiy soperate and analyse layered aampios. fjls poflwmed by EMSL Long Island (MwtxP Air and Bulk »W1048.10, NY ELaP 11460. CA ELAP 2339. CT PH-0249)

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CITY_DEP WORBY CANNATA SUBP_000021182

NYC-WTC_000210419