NYC-WTC_000187121

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY

CLIENT: Warren & Panzer Engineers, P.C PROJECT: NYC DEP, 170 Williams Street LABORATORY ID #: T02-10-069 DATE OF REPORT: 10/12/02 ATHENICA ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS: 10/12/02 EirviRONMENTAL SERVICES INC. FILTER TYPE: M.C.E. EFFECTIVE FILTER AREA (mm^): 385 Tel. (718) 784-7'»90 AVERAGE G.O. AREA (mm’): 0.013838 Fax. (718) 784-4085

LABORATORY RESULTS

CLIENT # LAB. ID # LOCATION VOLUME G.O.’s AREA ANALYT. TOTAL TOTAL AIR AIR ASBEST. AMPHIB. (It) ANAL ANALY SENSITIV. ASBESTOS ASBESTOS CONC. CONC. TYPE ASBEST YZED ZED (struct ./cm’) AIR CONC. FILTER FOR FOR CHRYS. TYPE (mm’) (struc./cm’) CONC. STRUCT. STRUCT. SPECIFY (str./mm’) O.S<S<5pm S>5.0p,m 01 T02-10- IWA NYU hospital 1575 4 0.0554 0.0044 <0.0044 <18.07 NA N^ NA NA 069-3033 entrance 02 T02-10- IWA right side 1575 4 0.0554 0.0044 <0.0044 <18.07 NA NA NA NA 069-3034 (NYU entrance) 03 T02-10- IWA 1“ middle 1575 4 0.0554 0.0044 <0.0044 <18.07 NA NA NA NA 069-3035 (NYU entrance) 04 T02-10- IWA 2^ middle 1575 4 0.0554 0.0044 0.0044 18.07 <0.0044 0.0044 Chrys. NA 069-3036 (NYU entrance) 05 T02-10- IWA left side 1575 4 0.0554 0.0044 <0.0044 <18.07 NA NA NA NA 069-3037 (NYU entrance)

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ANALYST LABORATORY DIRECTOR E. Sioukri Spiro Dongaris

o LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955 H tC I Athciiica Environmenlal Services Inc. (AES), is responsible only for information pertaining to samples taken by its employees. to Air sampling cassettes will be stored for sixty (60) days. AES Inc., should be notified within this time frame for a true duplicate analysis. S If AES Inc., did not conduct the sampling, the reported airborne concentration was derived based on information provided by the client. Under these circumstances, the air concentration data is o supplied solely for the convenience of the client. o The report relates only to items tested. This report must not be used to claim product endorsement by NVLAP or any other agency of the U.S. Government. Test reports may not be reproduced o except in full and with prior approval of AES Inc. I o The liability of Athenica Environmental Services Inc. with respect to the services charged, shall in no event exceed the amount of the invoice.

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NYC-WTC_000187121