NYC-WTC_000187028

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY

CLIENT: Warren & Panzer Engineers, P.C. PROJECT: NYC DEP, 60 Wiliams St. ATHENICA LABORATORY ID #: T02-09-081 DATE OF REPORT: 09/23/02 environmental services INC. ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS: 09/23/02 Tel. (7ia) 784-7*90 FILTER TYPE: M C E. EFFECTIVE FILTER AREA (mm^): 385 Fax. (718) 784-4085 AVERAGE G.O. AREA 0.013838

LABORATORY RESULTS

CLIENT # LAB. ID LOCATION VOLUME G.O.’s AREA ANALYT. TOTAL 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./cni’) CONC. STRUCT. STRUCT. SPECIFY (str./mm’) 0.5<S<Spm S>5.0pm 1 T02-09- North of Pine St 1680 4 0.0554 0.0041 <0.0041 <18.07 NA nF“ NA NA 081-2475 2 T02-09- Across from 60 1680 4 0.0554 0.0041 <0.0041 <18.07 NA NA NA NA 081-2476 S 3 T02-09- Across from 60 1680 4 0.0554 0.0041 <0.0041 <18.07 NA NA NA NA 081-2477 W 4 T02-09- Across from 60 1680 4 0.0554 0.0041 <0.0041 <18.07 NA NA NA NA 081-2478 E 5 T02-09- Across central 1680 4 0.0554 0.0041 <0.0041 <18.07 NA NA NA NA 081-2479

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. Air sampling cassettes will be stored for sixty (60) days. AES Inc., should be notified within this lime frame for a true duplicate analysis. o 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. K 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. Govemmenl. Test reports may not be reproduced I except in full and with prior approval of AES Inc. The liability of Athenica Environmental Services Inc. with respect to the services charged, shall in no event exceed the amount of the invoice. S o o o I o o co co

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NYC-WTC_000187028