NYC-WTC_000206533

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY

CLIENT: Warren & Panzer Engineers, P.C. PROJECT: NYC DEP, 14 Wall Street LABORATORY ID #: 102-12-036 DATE OF REPORT: 12/23/02 ATHENICA ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS: 12/23/02 EbfViRONMeNTAL SERVICES INC. FILTER TYPE: MCE EFFECTIVE FILTER AREA (mm"): 385 TeL(718>78A-7A90 AVERAGE G.O. AREA (min"): 0.012820 Fax. (718) 784-tO85 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^) AIRCONC. FILTER FOR FOR CHRYS. TYPE (mm^) (struc./cm’) CONC. STRUCT. STRUCT. SPECIFY (str./mm^) 0.5<S<5pin S>5.0pm 01 T02-12- East side of facade 1800 4 0.0513 0,0042 <0.0042 <19.50 NA NA NA NA 036-4513 02 T02-12- Center of facade 1 1800 4 0.0513 0.0042 <0.0042 <19.50 NA NA NA NA 036-4514 03 T02-12- Center of facade 2 1800 4 0.0513 0.0042 SAMPLE OVERLOADED WITH PARTICULATE MATERIAL 036-4515 RENDERING IT UNACCEPTABLE FOR ANALYSIS 04 T02-12- Center of facade 3 1800 4 0.0513 0.0042 <0.0042 <19.50 NA NA NA NA 036-4516 05 T02-12- West side of facade 1800 4 0.0513 0.0042 <0.0042 <19.50 NA NA NA NA 036-4517 i.

ANALYST LABORATORY DIRECTOR E. Sioukri 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 tor 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. Linder these circumstances, the air concentration data is K supplied solely for the convenience of the client. I The report relates only to items tested. Tliis 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. S 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 o I o o

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NYC-WTC_000206533