NYC-WTC_000206504

NYC 9/11 Public Portal Document

Bl ATHENICA AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY CLIENT: Warren & Panzer Engineers, P. C. PROJECT; NYC DEP, 2 South End Ave. NYC ENVIRONMENTAL SERVICES INC. LABORATORY ID #: 103-03-037 DATE OF REPORT: 03/26/03 Tel (718)784-7490 ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS: 03/26/03 Fax (718) 784-4085 FILTER TYPE: M C E EFFECTIYE FILTER AREA 385 AVERAGE G.O. AREA (mm^): 0.012820

LABORATORY RESULTS

CLIENT # LAB. ID # I LOCATION VOLUME G.O.’s AREA ANALYT. TOTAL TOTAL AIR AIR ASBEST. AMPHIB. (It) ANAL ANALY SENSITIV. ASBESTOS ASBESTOS CONC. CONC. TYPE ASBESl YZED ZED (struct./cmJ) AIR CONC. FILTER FOR FOR CHRYS. TYPE (mm^) (struc./cm^) CONC. STRUCT. STRUCT. SPECIFY (str./iiiiif) 0.5<S<5pm S>5.0pm 01 T03-03- Middle of roof 1620 4 0.0513 0.0046 <0.0046 <19.50 NA NA NA NA 037-525 02 T03-03- East side of roof 1620 4 0.0513 0.0046 <0.0046 <19.50 NA NA NA NA 037-526 03 T03-03- 2"'* east side of roof 1620 4 0.0513 0.0046 <0.0046 <19.50 NA NA NA NA 037-527 04 T03-03- South east of roof 1632 4 0.0513 0.0046 <0.0046 <19.50 NA NA NA NA 037-528 05 T03-03- South east of roof 1632 4 0.0513 0.0046 <0.0046 <19.50 NA NA NA NA 037-529

ANALYST LABORATORY DIRECTOR E. Dimitrakas Spiro Dongaris

LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955

Atlienica 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 thi.s time frame for a true duplicate analysis. o If AE.S Inc,, did not conduct the sampling, the reported airborne concentration was derived based on information provided by the client. Under these circumstances, the ait concentration data is H supplied solely for the convenience of the client. K 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 fest reports may not be reproduced to except in full and with prior approval of AE.S Inc, S I he liability of Athenica Environmental Services Inc with respect to the services charged, shall in no event exceed the amount of the invoice o o o I o o to cc cc co to to o

NYC-WTC_000206504