NYC-WTC_000205996

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY

CLIENT: Warren & Panzer Engineers, P.C PROJECT: NYC DEP, 100 Church Street LABORATORY ID #: T02-11 -059 DATE OF REPORT: 11/12/02 ATHENICA ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS: 11/12/02 EMVIRONMENTAL SERVICES INC. FILTER TYPE: M.C.R. EFFECTIVE FIL TER AREA 385 Tel. (718) 784-7490 AVERAGE G.O. AREA (iiim’): 0 013433 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 CONG CONC. TYPE ASBEST YZED ZED (struct./cmh AIR CONC. FILTER FOR FOR CHRYS. TYPE (iiiin^) (struc./eni^) CONC. STRUCT. STRUCT. SPECIFY (str./mmh 0.5<S<5).im S>5.0|im 01 T02-11- By entrance to set 1440 4 0.0537 0.0050 <0.0050 <18.61 NA NA NA NA 059-4000 back 02 T02-11- North setback 14'" 1440 4 0.0537 0.0050 <0.0050 <18.61 NA NA NA NA 059-4001 floor 03 T02-11- South set back 14“ 1440 4 0.0537 0.0050 <0.0050 <18.61 NA NA NA NA 059-4002 floor 04 T02-11- East set back 14'*' 1440 4 0.0537 0.0050 0.0100 37.22 <0.0050 0.0100 Chrys. NA 059-4003 floor 05 T02-11- West set back 14'" 1440 4 0.0537 0.0050 0.0050 18.61 0.0050 <0.0050 Chrys. NA 059-4004 floor

ANALYST LABORATORY DIRECTOR E. Sioukri Spiro Dongaris

LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955 o /Xthenica 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 time frame for a true duplicate analysis K I If AES Inc., di(J not conduct the sampling, the reported airborne concentration was denved based on information provided by the client. Under these circumstances, the air concentration data is to supplied solely for the convenience of the client. S I he report relates only to items tested. This report must not be used to claim product endorsement by NVI AP or any other agency of rhe I IS (lovcmmcnt fest reports may not be reproduced o 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 I o o to co to

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NYC-WTC_000205996