NYC-WTC_000187117

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY CLIENT: Warren & Panzer Engineers, P.C. PROJECT: NYC DEP, 165-167 Williams Stieet LABORATORY ID #: T02-10-155 DATE OF REPORT: 10/23/02 ATHENICA ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS: 10/23/02 EhfVlRONMENTAL SERVICES INC. FILTER TYPE: M C E. EFFECTIVE FILTER AREA (mm’): 385 Tel. (718) 784-7190 Fax. (718) 784-1085 AVERAGE G.O. AREA (mm’): 0.013838

LABORATORY RESULTS

CLIENT # LAB. ID if 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 (strucL/cm’) AIR CONC. FILTER FOR FOR CHRYS. TYPE (mm^) (struc./cni^) CONC. STRUCT. STRUCT. SPECIFY (str./min’) 0.5<S<5pm S>S.0)ini 01 IWA T02-10- IWA bottom of WA 1350 5 0.0692 0.0041 <0.0041 <14.45 NA N/r~ NA NA 155-3478 center of WA 02IWA T02-10- IWA bottom of WA 1350 5 0.0692 0.0041 <0.0041 <14.45 NA NA NA NA- 155-3479 south of WA 03IWA T02-10- IWA bottom of WA 1350 5 0.0692 0.0041 <0.0041 <14.45 NA NA NA NA 155-3480 east of WA 04IWA T02-10- IWA bottom of WA 1350 5 0.0692 0.0041 0.0041 14.45 <0.0041 0.0041 Chrys. NA 155-3481 north of WA 05IWA T02-10- IWA bottom of WA 1350 5 0.0692 0.0041 <0.0041 <14.45 NA NA NA NA 155-3482 west section of WA

ANALYST LABORATORY DIRECTOR E. Sioukri Spiro Dongaris o LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955 K I Athenica Environmental Services Ine. (AES), is responsible only for information pertaining to samples taken by its employees. Air sampling cassettes will be stored for sixty (60) days. AES Ine., should be notified within this time frame for a true duplicate analysis. S If AES Inc., did not conduct the sampling, the reported airhome 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 fhe 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_000187117