NYC-WTC_000206234

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY

CLIENT: Warren & Panzer Engineers, P.C. PROJECT: NYC DEP, 18 John Street LABORATORY ID #: T02 10-105 DATE OF REPORT: 10/17/02 ATHENICA ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS: 10/17/02 ENVIRONMENTAL SERVICES INC. FILTER TYPE: M C E. EFFECTIVE FILTER AREA 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’) 0.S<S<S(xm S>S.0|j.m 01 IWA TO2-10- IWA bottom of WA 1620 4 0.0554 0.0043 0.0043 18.07 <0.0043 0.0043 Chrys. NA 105-3211 center of WA 02IWA T02-10- IWA bottom of WA 1620 4 0.0554 0.0043 0.0043 18.07 0.0043 <0.0043 Chrys. NA 105-3212 east section of WA 03IWA T02-10- IWA bottom of WA 1620 4 0.0554 0.0043 <0.0043 <18.07 NA NA NA NA 105-3213 west section of WA 04IWA T02-10- IWA bottom of WA 1620 4 0.0554 0.0043 <0.0043 <18.07 NA NA NA NA 105-3214 south section of WA 05OWA T02-10- OWA on hallway 1620 4 0.0554 0.0043 <0.0043 <18.07 NA NA NA NA 105-3215 leading to WA 8ft. of door entrance

ANALYST LABORATORY DIRECTOR E. Sioukri Spiro Dongaris o LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955 H K I Athenica Environmental 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_000206234