NYC-WTC_000206298

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY CLIENT: Warren & Panzer Engineers, P.C. PROJECT: NYC DEP, 55 John Street LABORATORY ID #: T02-10-164 DATE OF REPORT: 10/25/02 ATHENICA ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS: 10/25/02 ENVIRONMENTAL SERVICES INC. Tel. (718) 784-7490 FILTER TYPE: M C E. EFFECTIVE FILTER AREA (mm^): 385 Fax. (718) 78+4085 AVERAGE G.O. AREA (mm^): 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^) (stnic./cm’) CONC. STRUCT. STRUCT. SPECIFY (str./mm^) 0.5<S<5nra S>5.0(ini 01 T02-10- By the entrance 1500 4 0.0554 0.0046 <0.0046 <18.07 NA N^ NA NA 164-3523 02 T02-10- Inside work area 1500 4 0.0554 0.0046 0.0046 18.07 <0.0046 0.0046 Chrys. NA • 164-3524 south 03 T02-10- Inside work area 1500 4 0.0554 0.0046 0.0046 18.07 0.0046 <0.0046 Chrys. NA 164-3525 east 04 T02-10- Inside work area 1500 4 0.0554 0.0046 <0.0046 <18.07 NA NA NA NA 164-3526 west 05 T02-10- Inside work area 1500 4 0.0554 0.0046 0.0046 18.07 0.0046 <0,0046 Chrys. NA 164-3527 north

ANALYST LABORATORY DIRECTOR E. Sioukri Spiro Dongaris o LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955 K I 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 time frame for a hue duplicate analysis. S 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 o supplied solely for the convenience of the client. o 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 o I except in full and with prior approval of AES Inc. o The liability of Athenica Environmental Services Inc. with respect to the seivices charged, shall in no event exceed the amount of the invoice. o o o co (-D O

NYC-WTC_000206298