NYC-WTC_000199532

NYC 9/11 Public Portal Document 2. t / XUUX XX a <30 XUW MUwIW

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New York Lab 307 West 38th Sbaat, New York, NY 10018 EMSL Phone: 212-2#0Ja061 Fax: 2122»000Se Email:

Attn; OSHA Customer lb; +03OSHA 42-40 Bell Blvd. Customer PO: Beyslde, NY 11301 Reieh/ed: .09/16/01 10:00 PM Fax: (718)276-6057 Phone; 718-276-6060 EMSL Order. 030104287 Project World Tmde Center EMSL Project ID:

Analysis Date; 8/16/2001

Asbestos Analysis of Air Samples by Transmission Electron Microscopy via NIOSH Method 7402 Non Atbetfat 7402Atfftmed Fblume Aebatoi FCM Aibtsim Aibatos Ko/ (TEb^ Sample (UJtn) Fiben F/cc Fiten total F/cc Nota RG02 175 12 . 0,067 Chrysotile 3 20 <0.016 030164267-0001

RG03 187.5 5 0,047 Chrysotile 3 37 0,017 030104267-0002

HG06 305 7 0.034 Amofilla 1 41 0.014. 030104267-0003 Chrysotile 4

RQ 10 310 10 0.061 Chrysotile 3 23 0.012 O301D4267-O0O4

RQ 12 175 2 0.022 Chrysotile 2 50 <0.015 030104267-aoaS

RG18 150 B 0.105 ChryiBotlla 1 11 <0.018 030104267-0006

NIOSH 7402 method only reports fibers 5pm in length end >« 0.25pm In width. This method requires 2 field blank analyses per set Since no blanks were analyzed, the results ere not blank corrected. Average number of asbestos fibers on field blanks; n/a Average number of non-asbastos fibers on field blanks: n/a

Roman Peysaktwb Analyst Leboretory Manager or other approved signatory

EMSL ii nut rixponslDM (or dara lopartsd in (iborWBe, wMcn It dtpandant on voKirra oollaottd by non-l»bor»tory peftonnol. Iha above repon relates only to th* Heme tested, Thio rwponimay no^: rftprodunad. axoept in ru(i, wlthoul writtan ■pprwid EMSL Analytiod. tnc, Anfllyl• performed by Ewat Mannetisn (NY ELAP #11 Soo;

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CITY_21MC100_003049780

NYC-WTC_000199532