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Airborne asbestos analysis results, 1 Park Row, Feb 2003

Machine-extracted title · confidence 95%

Laboratory report of transmission electron microscopy results for airborne asbestos samples collected from the roof entrance and staggered locations on February 3, 2003.

NYC-WTC_000115775–000115776

Folder label: “1 PARK ROW 1085949, 90/1

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~ NYC-WTC_000115775 FEB-28-28003 18:25 ATHENICA ENVIRONMENTAL SERVICES Tel (718) 784-7490 Fax (718) 784-4085 AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOBY CLIENT: Warren & Panzer Engineers, P. C. LABORATORY ID #: T03-02-008 SINC. ANALYT. METHODOLOGY: AHERA FILTER TYPE: M.C.E. AVERAGE G.O. AREA (mm): 0.012820 PROJECT: NYC DEP, | Park Row DATE OF REPORT: 02/03/03 DATE OF ANALYSIS: 02/03/03 LABORATORY RESULTS EFFECTIVE FILTER AREA (mm?): 385 CLIENT A | LAHID # LOCATION VOLUME | G.0.s F ARPA ANALYT. TOTAL TOTAL AIR AIR (It) ANAL | ANALY | SENSITIV. ASBESTOS ASBESTOS | CONC. CONC, YZED | ZED (struct/em*’) | AIR CONC, FILTER FOR FOR (inta?} {struc./em’) CONC, STRUCT. } STRUCT. (strJmm’} 0.5<S<Sum | S>5.0um TYPE ASBEST. CURYS. AMPHIB. ASBEST TYPE SPECIEY 0! 02 Entrance to roof 1500 4 0.0513 0.0050 <0.0050 <19.50 NA NA NA NA On roof staggered 1500 4 0.0513 0.0050 <0.0050 <19.40 NA NA NA NA 03 On roof staggered 1500 4 0.0513 0.0050 <0,0050 <19,50 NA NA NA NA 04 On reof staggered 1500 4 0.0513 0.0050 <0.0050 <19.50 NA NA NA NA 05 a i 4 & S/S BIS ls9 98/9 20 oS eS =) — Jha SIE SIF SIES/ES On roof staggered 1500 4 0.0513 0.0050 <0.0050 <19,50 NA NA NA NA Ak Kier ANALYST E. Sioukr: LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955 ¢ — Athenica Environmental Services inc, (AES), is responsible only for information peataining to samples faken by its employees. ¢ Air sampling cass ¢ =I£AES loc, supplied so’ except in a) ~ did not conduct the sampling, the ceported airbome concentration wes deriv’ lely for * The report selat fall and with prior approval of AES Inc. e =: The fiability of A ettes will be stored for sixty (60) days. AES Inc., should be notified within this time frame for a tue duplicate analysis. the convenience of the.clicnt. ex only to items tested. This report must nat be used to claim thenica Environmental Services Inc. with respect to the services charged, shall in no event exoced the amount of the invoice. LABORATO ed based on information provided by the client. Under these Circumstances, the ai product endorsement by NVLAP or any other agency of Ihe U.S. Gavemment. Test reports m RY DIRECTOR Spiro Dongaris concentration data is not be reproduced NYC 9/11 Public Portal Document

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NYC-WTC_000115775Source: NYC Law Department, mirrored locally

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