NYC-WTC_000206566

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY

CLIENT: Warren & Panzer Engineers, P.C. PROJECT: NYC DEP, 45 Wall St. LABORATORY ID #: T02-09-029 DATE OF REPORT: 09/09/02 ATHENICA ANALYT. METHODOLOGY: AHERA DATE OF ANAI.YSIS: 09/09/02 ENVIRONMENTAL SERVICES INC. FILTER TYPE: M C E. EFFECTIVE FILTER AREA (mm^): 385 Tel. (718) 784-7490 AVERAGE G.O. AREA (mm^): 0.013771 Fax. (718) 784-4085

LABORATORY RESULTS

CLIENT LAB. ID LOCATION VOLUME G.O.’s AREA ANALYT. TOTAL TOTAL AIR AIR ASBE.ST. AMPHIB. # # (It) ANAL ANALY SENSmV. ASBESTOS ASBESTOS CONC. CONC. TYPE ASBEST YZED ZED (stiuct./cm^) AIR CONC. FILTER FOR FOR CHRYS. TYPE (mm’) (struc./cm’) CONC. STRUCT. STRUCT. SPECIFY (str./mm’) 0.5<S<5(im S>5.0nm 01 T02-09- In front of 45 1350 5 0.0689 0.0041 <0.0041 <14.52 NA NA NA NA 029-2209 Wall St. 02 T02-09- 10' from Bank of 1350 5 0.0689 0.0041 <0.0041 <14.52 NA NA NA NA 029-2210 NY 03 T02-09- 1 O' from Subway 1350 5 0.0689 0.0041 <0.0041 <14.52 NA NA NA NA 029-2211 04 T02-09- Exchange Pl. 1350 5 0.0689 0.0041 <0.0041 <14.52 NA NA NA NA 029-2212 Pizza shop 05 T02-09- Exchange Pl. 1350 5 0.0689 0.0041 <0.0041 <14.52 NA NA NA NA 029-2213 Garage

ANALYST LABORATORY DIRECTOR E. Dimitrakas Spiro Doiigaris

LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955

Athenica Environmental Services Inc. (AES), is responsible only for information pertaining to samples taken by its employees. o Ail sampling cassettes will be stored for sixty (60) days. AES Inc., should be notified within this time frame for a true duplicate analysis. 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 K supplied solely for the convenience of the client. I The report relates only to items tested. This report must not be used to clann product endorsement by NVLAP or any other agency of the U.S. Government. Test reports may not be reproduced except in full and with prior approval of AES Inc. S The liability of Athenica Environmental Services Inc. with respect to the services charged, shall in no event exceed the amount of the invoice. o o o I o o

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NYC-WTC_000206566