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Asbestos fiber analysis report, 21 Ann Street roof, June 2002

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Laboratory report from ATC Associates documenting TEM asbestos fiber analysis for a roof cleanup project at 21 Ann Street dated June 30, 2002.

NYC-WTC_000116469–000116472

Folder label: “17 ANN STREET 1001261, 90/23 BN# 1001261

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NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY 10010 Phone: (212) 353-8280 Fax: (212) 353-8306

Received: 6/29102 500.0C PM Attu: Mr. Fabio Pedone Warmer & Panzer Engineers , P.C. ATC Group #: 8336 228 S. 45th Street Analysis Date: 711/02 New York NY 10017

Fax: (212) 922-0630 Pbone. (212) 9220077

Projeet: NYC-DEP W & P File #: 1079.01.02 21 Ann Street, hoof Cleaning

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Anatp&al Askstas Area Ni Asbestos # SStaafure, Sensiriviy+ Concentmdon Yolun a Analyzed Ash T pa(s) G.Sr:•S 53t (&'cci (5"MIS (S✓ec) Notes Sample

01 1350.00 0.0674 0 CI4RYS0TILS 3 1 0.0042 59.31 0.0169 8336 -1

02 1350.00 0.0674 0 CHRYSO11LE 2 0 0.0042 29.66 0-0085 833d -2

03 1350.00 0,0674 0 CNRYSOTIL 1 t 0.0042 29.66 0.0085 8336 -3

04 1350.00 0.0674 0 CHRYS0T1LE 7 3 0.0042 168.26 e,Od23 3336 -4

05 0.0674 0 CHRYS0TP.E 2 2 0.0042 59.31 0.0169 1350.00 4336 -S

04QC 0.0674 0 CHRYSOTILE 3 3 0.0042 97 00234 Rtenays's 1350.00 4336 -6

MICHAEL A. GORYCCI, Ph.D. ROMAN PEYSAK1 OV Approved by: Analyzed by:

responsble wric i t dapu4et on volume aIIEted by narhl$botabn petaonneL The tab Is only 0lseIaimec The Iabonto y is not reeponalble lord; teportod in * auras Ce. in tut wdhout wrfiten approval by ATC Associate! Inc. This mportcney not be used to claim for data epo tad In atrueturesfmrrr. This rc9on may not be reprodueeC, etGec This reports relates only to the samples rt.poReo above. 0usligf oonbd data (indudirrp 9516 Govemment product endotsanent by NVLAP of any other agenc of 11to U.S. upon MM4uosc. eenf,Oence Umlp and laboratory and analyser' accuracy 34E pr.ckf n) id a4$!b0ie

Accredited for NVLAP Pt MlTEM #'i01,187-0. NY State ELAP t;1O878 . . ... . ~.. ..._... peer 1 of 1

NYC-WTC 000116470

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NYC-WTC_000116470Source: NYC Law Department, mirrored locally

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