NYC-WTC_000187162

NYC 9/11 Public Portal Document 212-2S0-0058 £M5'_ °ASE 03 ‘32:25

New York Lab 30T We*t 38th Streat, New York, NV 10018 EMSL Phone; 212-280-0051 Fax: 2122900068 Email: SB

Attn: NYC Department of Environmental Protection Customer ID: +03nyodep 9S-O5 Horace Harding Expressway Customer PC: Queens. NY 11368 Received: 10/15/01 6:29 PM Fax; (716) 595-6307 Phone: 718-595-6291 EMSL Order: 030108257 Project: WTC EMSL Project ID,

Analysis Date- 10/15/2001

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos # Structure Sensitivity Concentration Sample Volume Analyzed Asb Typefs) O.Sp -S Sfi (S/cc) (S/nvn') (S/cc) Notes 302/001 525,00 0.1500 41 Chrysotile 0 1 0.0049 6.57 0.0049 Voiurre 10 belcw rocommendeci limit for msthcd O3010B26T-00O1

302/002 600.00 0.1375 24 None Detected 0.0047 <7.27 <0.0047 Vofumc tx bciov/ racommondao licnit for metnod. 330100257-0002

302/003 525.00 0.1500 40 Chrysotile 1 0 0.0049 8.67 0.0048 voiumo la b.iow rooommondod limit for mothod 730106257-0003

Jose Arriaga Analyst Laboratory Manager or other approved signatory

Diaclaimsrs; Tne laboratory is roi reaponsiblo far date reported in jtructuree.'cc, whirVi is dependent cn volume coleclad by non-lsCdratory porsannei. Thi« l»b is only reapontibls tor dale repertad In «iru«ur93dnm’. Thia raport may no! be roproduoea. ascoopt in full, wlinout wrillan approval by EMSL Tria report must not Be ueed to claim produd endoreamenl by NVLAP or any aoency of th* U.S Governmenl. Thia repon relatoa only to toe aanipioo lopartac eCove Quoliiy oonirol dale (including 95% confidonoe llmlls and labofBIory end anaiyitx' accuracy arid prQoiblQ.n) Is avetlsblB upon ropues!. lAccralHea for NVLAP PLMZTEM eiOKMe.g, ny ewie ELAP «1 li'OS

TEI^HERA-1 1

i 212 290 0058 9SZ P.03 OCT-16-2001 00=40 CITY_21MC100_002965405

NYC-WTC_000187162