NYC-WTC_000206460

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSIS BY TR.4NSM1SSION ELECTRON MICROSCOPY CLIENT: Warren & Panzer Engineers, P C. PROJECT: NYCDEP, 113 Nassau St. ATHFNIPA LABORATORY ID#: T02-10-011 DATE OF REPORT: 10/03/02 M I nCIMIVM ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS; 10/03/02 ENVIRONMENTAL SERVICES INC. pj^TER TYPE: M.C.E. EFFECTIVE FILTER AREA (mm’): 385 !''■ AVERAGE G.O. AREA (mm"): 0.013838 rdX. (/lO)

LABORATORY RESULTS

CLIENT # LAB. ID LOCATION VOLUME G.O.’s AREA ANALYT. TOTAL TOTAL AIR AIR ASBEST. AMPHIB. # (It) ANAL ANALY SENSITIV. ASBESTOS ASBESTO CONC. CONC. TYPE ASBEST YZED ZED (struct./cm’) AIR CONC. S FOR FOR CHRYS. TYPE (mm’) (struc./cm’) FILTER STRUCT. STRUCT. SPECIFY CONC. 0.5<S<5pm S>5.0|im (strJmm’) 01 T02-10- Street - south 1512 4 0.0554 0.0046 <0.0046 <18.07 NA NA NA NA 011-2735 02 T02-to­ Street - center 1530 4 0.0554 0.0045 <0.0045 <18.07 NA NA NA NA ol 1-2736 03 T02-10- Street - center 1530 4 0.0554 0.0045 <0.0045 <18.07 NA NA NA NA 011-2737 04 T02-10- Street - north 1530 4 0.0554 0.0045 <0.0045 <18.07 NA NA NA NA 011-2738 05 T02-10- Street - north 1474.2 4 0.0554 0.0047 <0.0047 <18.07 NA NA NA NA 011-2739

ANALYST LABORATORY DIRECTOR E. Sioukri Spiro Dongaris

LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955

o Athenica Environmental Services Inc. (AES), is responsible only for information pertaining to samples taken by its employees. H Air 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 to supplied solely for the convenience of the client. The report relates only to items tested. This report must not be used to claim product endorsement by NVl.AP 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. o The liability of Athenica Environmental Services Inc. with respect to the services charged, shall in no event exceed the amount of the invoice. o I o o co o o

NYC-WTC_000206460