NYC-WTC_000206252

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY

CLIENT: Warren & Panzer Engineers, P.C. PROJECT: NYCDEP, 24 John St. LABORATORY ID #: T02-10-015 DATE OF REPORT: 10/03/02 ATHENICA ANALYU; METHODOLOGY: AHERA DATE OF ANALYSIS: 10/03/02 EriVlRONMENTAL SERVICES INC. FILTER TYPE:.M.C.E. EFFECTIVE FILTER AREA umn’): 385 Td. (718) 784-7-^90 Fax. (718) 784-4085 AVERAGE G.O. AREA (mm^): 0.013838

LABORATORY RESULTS

CLIENT # LAB. ID LOCATION VOLUME G.O.’s AREA ANALYT. TOTAL TOTAL AIR AIR ASBEST. AMPHIB. # (It) ANAL AN ALY SENSITIV. ASBESTOS ASBESTO CONC. CONC. TYPE ASBEST YZED ZED (struct./cm’) AIR CONC. S FOR FOR CHRYS. TYPE (mni^) (struc./cm’) FILTER STRUCT. STRUCT. SPECIFY CONC. 0.5<S<5|j,m SaS.Ojim (str./mm’) 01 T02-10- IWA right side of 1680 4 0.0554 0.0041 <0.0041 <18.07 NA NA NA NA 015-2755 WA(roofA) 02 T02-10- IWA left side of 1680 4 0.0554 0.0041 <0.0041 <18.07 NA NA NA NA 015-2756 WA(roof A) 03 T02-10- IWA left side of 1680 4 0.0554 0.0041 <0.0041 <18.07 NA NA NA NA 015-2757 WA(roofB) 04 T02-10- IWA right side of 1680 4 0.0554 0.0041 <0.0041 <18.07 NA NA NA NA 015-2758 WA(roofB) 05 T02-10- “ Exit to the roof B 1680 4 0.0554 0.0041 <0.0041 <18.07 NA NA NA NA 015-2759

ANALYST LABORATORY DIRECTOR E. Sioukri Spiro Dongaris

LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955

o Athenica Environmental Sciviccs Inc. (AES), 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. K 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 I supplied solely for the convenience of the client. ho 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 S except in full and with prior appi oval of AES Ine. 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 o I o o co o o co

NYC-WTC_000206252