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Airborne asbestos analysis results, 15 Park Row, Feb 2003

Machine-extracted title · confidence 95%

Laboratory report presenting transmission electron microscopy data for airborne asbestos samples collected from roof areas labeled A and B on February 5, 2003.

NYC-WTC_000115683–000115684

Folder label: “15 PARK ROW 1001249, 90/7501

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NYC-WTC_000115683 FEB-26-2803 16 . . 23 ATHENICA ENVIRONMENTAI. SERVI Tel (718) 784-7490 Fax (718) 784-4085 AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOBY CLIENT: Warten & Panzer Engineers, P. C. LABORATORY ID #: T03-02-016 ANALYT, METHODOLOGY: AHERA FILTER TYPE: M.C.E. AVERAGE G.O. AREA (mm?): 0.012820 Oy CLIENTH 7 CABTID ¥ LOCATION | VOLUME PROJECT: NYC DEP, 15 Park Row DATE OF REPORT: 02/05/03 DATE OF ANALYSIS: 02/05/03 EFFECTIVE FILTER AREA (imm?); 385 LABORATORY RESULTS (ty 1485 GOs ANAL YZED ARPA ANALY ZED (mm) AINT: SENSIT)V, (struct Jem’) TOTAT, ASBESTOS AIR CONC, (strue/em’) TOTAL ASBESTOS RILTER CONC, (str./mm') ATR CONC. FOR STRUCT, O.5<8.<5,m AIR CONC. FOR STRUCT. $25.0, ASBEST. 1 AMERIE. 1 ASBEST TYPE SYECIRY CRRYS. 02 TWA right side “A” (roof) 0.03513 0.0050 <9.0050 <I9.50 NA NA NA NA 03 IWA Tell side "A"; (roof) [485 0.0513 0.0030 <0,0050 <I950 NA NA NA NA 04 IWA right side “B’, (roof) T4835 0.0513 0.0050 <0.0050 <19,50 NA NA NA NA- 05 IWA left side “B”, (raof) 1483 0.0513 0.0050 <0.0050 <19,50 NA NA NA NA et ms oO Seer seesp vege MOR ORGORFORS By decon 1483 0.0513 0.0050 <0.0 <f9.50 NA NA NA NA ANALYST E. Dimitrakas LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955 « Athenica Environmental Serviecs Inc. (AES), is res * — Air sampling cassettes will be stored for sixly (60) ° If AES Inc., did supplied solely for the © — The report refutes only to items (ested. This teport mus( nothe except in full and with prior approval of AES Inc. * — The liability of Atheniea Environmental Services ing. with respect to the services charged, shall in no event exceed the amount of the invoice. ponsible only for inforination ays. AES Inc., should be notified within not conduct the sampling, the reposted airbame concentra pertaining to samples taken by its employees. this time frame for a tue duplicate analysis. lion was derived based on information provided by the client, Under thesy circumstances, YW, | _— LABORATORY DIRECTOR used to claim product endonement by NVLAP or any other agency of the U.S. Government. Test vepnits may Spiro Dongaris the air doncentration data is not be reproduced NYC 9/11 Public Portal Document

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NYC-WTC_000115683Source: NYC Law Department, mirrored locally

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