NYC-WTC_000206246

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY CLIENT: Waneii & Panzer Engineers, P.C. PROJECT: NYC DEP, 22 & 24 John Street LABORATORY ID #: T02 10-032 DATE OF REPORT: 10/06/02 ATHENICA ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS: 10/06/02 ENVIRONMENTAL SERVICES INC. FILTER TYPE: M C E. EFFECTIVE FILTER AREA 385 Tet. (718) 784-7490 AVERAGE G.O. AREA (mm^): 0.013838 Fai. (718) 784-,085 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<5pm S>5.0p.m 01 T02-10- On left side of Street 1500 4 0.0554 0.0046 <0.0046 <18.07 na“ NA~ NA NA 032-2835 towards east end 02 T02-10- On right of Street 1500 4 0.0554 0.0046 <0.0046 <18.07 NA NA NA NA 032-2386 towards east end 03 T02-10- At the center of 1500 4 0.0554 0.0046 <0.0046 <18.07 NA NA NA NA 032-2837 street 04 T02-10- On right side of 1500 4 0.0554 0.0046 <0.0046 <18.07 NA NA NA NA 032-2838 Street west end 05 T02-10- On left side of Street 1500 4 0.0554 0.0046 <0.0046 <18.07 NA NA NA NA 032-2839 towards west end

ANALYST LABORATORY DIRECTOR E. Dimittakas Spiro Dongaris

LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955

Athenica Environmental .Services Inc. (AF.S), is responsible only for information pertaining to samples taken by its employees. Air sampling cassettes will be stored for sixty (60) days. AES Inc., should be notified within this time frame for a true duplicate analysis. o 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 supplied solely for the convenience of the client. K 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 I except in full and with prior approval of AES Inc. The liability of Athenica Environmental Services Inc. with respect to the services charged, shall in no event exceed the amount of the invoice. S o o o I o o co o o co

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NYC-WTC_000206246