NYC-WTC_000206563

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. NY, NY ATHENICA LABORATORY ID #: T02-08-163 ANALYT. METHODOLOGY: AHERA DATE OF REPORT: 09/02/02 ENVIRONMENTAL SERVICES INC. DATE OF ANALYSIS: 09/01/0.2 Tel. (718) 784-7490 FILTER TYPE: M C E. EFFECTIVE FILTER AREA 385 Fax. (718) 784^085 AVERAGE G.O. AREA (mm^): 0.012422

LABORATORY RESULTS

CLIENT LAB. ID LOCATION VOLUME G.O.’s AREA ANALYT. TOTAL TOTAL AIR AIR ASBEST. AMPHIB. # # (It) ANAL ANALY SENSITIV. ASBESTOS ASBESTOS CONC. CONC. TYPE ASBEST YZED ZED (struct./cm^) AIR CONC. FILTER FOR FOR CHRYS. TYPE (mm^) (struc7cin’) CONC. STRUCT. STRUCT. SPECIFY (str./min’) 0.5<S<5pm S>5.0pm 01 T02-08- IWA Floor-16 on 1800 4 0.0497 0.0043 <0.0043 <20.13 NA N^ NA NA 163-2053 terrace. Center of W.A 02 T02-08- IWA Floor-16 on 1800 4 0.0497 0.0043 <0.0043 <20.13 NA NA NA NA 163-2054 terrace. North section of W.A 03 T02-08- IWA Floor-16 on 1800 4 0.0497 0.0043 <0.0043 <20.13 NA NA NA NA 163-2055 terrace. South section of W.A 04 T02-08- IWA Bottom of 1800 4 0.0497 0.0043 <0.0043 <20.13 NA NA NA NA 163-2056 W.A. Center of sidewalk 05 T02-08- IWA Bottom of 1800 4 0.0497 0.0043 <0.0043 <20.13 NA NA NA NA 163-2057 W.A. East section on sidewalk

A9

ANALYST LABORATORY DIRECTOR o E. Sioukri Spiro Dongaris K I LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955 S Athenica Environmental .Servicers Inc. (AES), is responsible only for information pertaining to samples taken by its employees. o 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 o 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 I supplied solely for the convenience of the client. o o The report relates only to items tested. Tliis 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 except in full and with prior approval of AES Inc. kO The liability of Athenica Environmental Services Inc. with respect to the services charged, shall in no event exceed the amount of the invoice. CT) kO

NYC-WTC_000206563