NYC-WTC_000206372

NYC 9/11 Public Portal Document

AIRBO^E ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY CLIENT: Warren & Panzer Engineers, P.C. PROJECT: NYC DEP, 101 Maiden Lane ATHENICA LABORATORY ID #: T02-09-031 DATE OF REPORT: 09/09/02 ENVIRONMENTAL SERVICES INC. ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS: 09/09/02 Tel. (718) 784-7480 FILTER TYPE: M.C.E. EFFECTIVE FILTER AREA (mm’): 385 Fax. (718)784-1085 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./cm’) AIR CONC. FILTER FOR FOR CHRYS. TYPE (mm’) (struc./cm’) CONC. STRUCT. STRUCT. SPECIFY (str./mm’) 0.5<S<S|im S>5.0|im 01 T02-09- North area on 1440 4 0.0551 0.0049 <0.0049 <18.15 NA N^ NA NA 031-2224 roof 02 T02-09- East area on roof 1440 4 0.0551 0.0049 <0.0049 <18.15 NA NA NA NA 031-2225 03 T02-09- Middle area on 1440 4 0.0551 0.0049 <0.0049 <18.15 NA NA NA NA 031-2226 roof 04 T02-09- West area on 1440 4 0.0551 0.0049 0.0049 18.15 <0.0049 0.0049 NA Actin. 031-2227 roof 05 T02-09- South area on 1440 4 0.0551 0.0049 <0.0049 <18.15 NA NA NA NA 031-2228 roof

ANALYST 2^2®; LABORATORY DIRECTOR E. Dimitrakas Spiro Dongaris

LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955

Athenica Environmental Services 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. H 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. I est reports may not be reproduced to except in full and with prior approval of AES Inc. Ttie 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 Ui co co

NYC-WTC_000206372