NYC-WTC_000206228

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSTS BY TRANSMISSION EL ECTRON MICROSCOPY CLIENT: Warren & Panzer Engineers, P.C. PROJECT: NYC DEP, 18 John Street ATHENICA LABORATORY ID #: T02-10-122 DATE OF REPORT: 10/20/02 EbfViRONMENTAL SERVICES INC. ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS; 10/20/02 Tel. (718) 784-7490 FILTER TYPE: M C E. EFFECTIVE FILTER AREA 385 Fax. (718) 784-4085 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^) (struc./cin^) CONC. STRUCT. STRUCT. SPECIFY (str./mm^) 0.5<S<5|j.ni S>5.0pm 01 IWA T02-10- IWA basement 1300 5 0.0692 0.0043 <0.0043 <14.45 NA N^ NA NA 122-3297 center of work area 02IWA T02-10- IWA basement 1300 5 0.0692 0.0043 <0.0043 <14.45 NA NA NA NA • 122-3298 north section of WA 03IWA T02-10- IWA basement 1300 5 0.0692 0.0043 <0.0043 <14.45 NA NA NA NA 122-3299 south section of WA 04IWA T02-10- IWA basement west 1300 5 0.0692 0.0043 <0.0043 <14.45 NA NA NA NA 122-3300 section ofWA 05OWA T02-10- OWA basement on 1300 5 0.0692 0.0043 <0.0043 <14.45 NA NA NA NA 122-3301 stairwell leading to WA 8ft. of door entrance

ANALYST LABORATORY DIRECTOR E. Sioukri Spiro Dongaris o

K LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955 I ho Athenica Environmental Services Inc. (AES), is responsible only for information pertaining to samples taken by its employees. S Air sampling cassettes will be stored for sixty (60) days. AES Ine., should be notified within this time frame for a true duplicate analysis. o If AES Inc., did not conduct the sampling, the reported airborne concentration was derived based on infoimation provided by the client. Under these circumstances, the air concentration data is o o supplied solely for the convenience of the client. I 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 except in full and with prior approval of AES Inc, o co 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 co co CD

NYC-WTC_000206228