NYC-WTC_000187122

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 #: T02-10-079 DATE OF REPORT: 10/13/02 ATHENICA ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS: 10/13/02 ENVIRONMENTAL SERVICES INC. FILTER TYPE: M C E EFFECTIVE FILTER AREA (mm^): 385 Tel. (718) 784-7490 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 AN ALY 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<5|j,m S>S.0|Tni 01 T02-10- IWA right side of 1350 5 0.0692 0.0041 <0.0041 <14.45 NA NA“ NA NA 079-3081 WA 02 T02-10- IWA 1“ middle of 1350 5 0.0692 0.0041 <0.0041 <14.45 NA NA NA NA 079-3082 WA 03 T02-10- IWA 2“" middle of 1350 5 0.0692 0.0041 <0.0041 <14.45 NA NA NA NA 079-3083 WA 04 T02-10- IWA 3^^* middle of 1350 5 0.0692 0.0041 <0.0041 <14.45 NA NA NA NA 079-3084 WA 05 T02-10- IWA left side of 1350 5 0.0692 0.0041 <0.0041 <14.45 NA NA NA NA 079-3085 WA

ANALYST LABORATORY DIRECTOR E. Sioukri Spiro Dongaris

o LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955 H K I Athenica Environmental Services Ine. (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 wa.s 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_000187122