NYC-WTC_000205933

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSIS BY I RANSMISSION ELYTRON MICROSCOPY CLIENT: Warren & Panzer Engineers, P. C . PROJECT: NYC DEP, 181 Broadway LABORATORY ID #: T02-08-074 DATE OF REPORT: 08/15/02 ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS: 08/15/02 ATHENICA FILTER TYPE: M C E. EFFECTIVE FILTER AREA (nini’): 385 ENVIRONMENTAL SERVICES INC. TN. (718) 784-7490 AVERAGE G.O. AREA (mm^): 0 012422 Fax. (718) 784-4085

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<5|im S>5.0|im 01 T02-08- By entrance 1440 5 0.0621 0.0043 <0.0043 <16.10 NA \A NA NA 074-1569 02 T02-08- Inside work area 1440 5 0.0621 0.0043 <0.0043 <16.10 NA NA NA NA 074-1570 west 03 T02-08- Inside work area 1440 5 0.0621 0.0043 0.0043 16.10 0.0043 <0.0043 NA Actin.- 074-1571 center Tremol. 04 T02-08- Inside work area 1440 5 0.0621 0.0043 <0.0043 <16.10 NA NA NA NA 074-1572 east 05 T02-08- Inside work area 1440 5 0.0621 0.0043 <0.0043 <16.10 NA NA NA NA 074-1573 north

ANALYST 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. 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. 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. The liability of Athenica Environmental Services inc. with respect to the services charged, shall in no event exceed the amount of the invoice.

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NYC-WTC_000205933