NYC-WTC_000206206

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY

CLIENT: Warren & Panzer Engineers, P. C. PROJECT: NYC DEP, 15 John Street LABORATORY ID #: T02-08-079 DATE OF REPORT: 08/16/02 ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS: 08/16/02 ATHENICA FILTER TYPE: M C E. EFFECTIVE FILTER AREA (ninr): 385 ENtZiRONMENTAL SERVICES INC. AVERAGE G.O. AREA (mm’): 0.012422 Tel. (718) 784-7-590 Fax. (718) 784-4085

LABORATORY RESULTS

CLIENT LAB. ID LOCATION VOLEME G.O.’s AREA ANALYT. TOTAI. 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’) (struc./cm’) CONC. STRUCT. STRUCT. SPECIFY (str./mm’) 0.5<S<5pm S>5.0p.m 01 T02-08- East of roof 1440 5 0.0621 0.0043 <0.0043 <16.10 NA NA NA NA 079-1592 02 T02-08- North of roof 1440 5 0.0621 0.0043 <0.0043 <16.10 NA NA NA NA 079-1593 top-exit down 03 T02-08- North of roof top 1440 5 0.0621 0.0043 <0.0043 <16.10 NA NA NA NA 079-1594 upper tier 04 T02-08- West of roof top 1440 5 0.0621 0.0043 <0.0043 <16.10 NA NA NA NA 079-1595 05 T02-08- South of roof top 1740 4 0.0497 0.0045 <0.0045 <20.13 NA NA NA NA 079-1596 doorway

ANALYST LABORATORY DIRECTOR E. Sioukri Spiro Dongaris

LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955

Athenica Environmental Seivices Inc. (AES), is responsible only tor 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 supplied solely for the convenience of the client. to 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 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 o I o

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NYC-WTC_000206206