NYC-WTC_000206264

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY

CLIENT: Warren & Panzer Engineers, P.C. PROJECT; NYC DI P 44 John St. ATHENICA LABORATORY ID #: T02-09-050 DATE OF REPORT: 09/15/02 ENVIRONMENTAL SERVICES INC. ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS: 09/15/02 Te). (718) 784-7190 FILTER TYPE: M C E, EFFECTIVE FILTER AREA (mm^): 385 Fax. (718) 784-4085 AVERAGE G.O. AREA (mm^): 0.013771

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./»:m’) AIR CONC. FILTER FOR FOR CHRYS. TYPE (mm^) (struc./cm’) CONC. STRUCT. STRUCT. SPECIFY (str./mm^) 0.5<S<5|uni S>5.0|um 01 T02-09- East side 1350 5 0.0689 0,0041 <0.0041 <14.52 NA Nr~ NA NA 050-2317 02 T02-09- Center 1 1350 5 0.0689 0,0041 <0.0041 <14.52 NA NA NA NA 050-2318 03 T02-09- Center 2 1350 5 0.0689 0,0041 <0.0041 <14.52 NA NA NA NA 050-2319 04 T02-09- Center 3 1350 5 0.0689 0,0041 <0.0041 <14.52 NA NA NA NA 050-2320 05 T02-09- West side 1350 5 0.0689 0.0041 <0.0041 <14.52 NA NA NA NA 050-2321

ANALYST LABORATORY DIRECTOR E. Sioukri Spiro Dongaris

LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955

Athenica Environmental Seivices [nc. (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. 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 K supplied solely for the convenience of the client. I 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 ho except in full and with prior approval of AES Inc. S The liability of Athenica Environmental Services Inc. with respect to the services charged, shall m no event exceed the amount of the invoice. o o o I o o co o o co co

NYC-WTC_000206264