NYC-WTC_000205930

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY CLIENT: Warren & Panzer Engineers, P. C PROJECT: NYC DEP, 2 John Street/180 Broadway LABORATORY ID #: T02-07-026 DATE OF REPORT: 07/29/02 ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS: 07/27/02 ATHENICA FILTER TYPE: M C E. EFFECTIVE FILTER AREA (mm^): 385 ENVIRONMENTAL SERVICES INC. AVERAGE G.O. AREA (mm^): 0.008643 TN. (718) 784-7490 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./cm’) CONC. STRUCT. STRUCT. SPECIFY (str./mm’) 0.5<S<Spm S>S.0pm 1 T02-07- In Remote 1680 6 0.0519 0.0044 <0,0044 <19.28 NA NA NA NA 26-1074 Decon Clean Room 2 T02-07- Staircase to Roof 1680 6 0.0519 0.0044 <0.0044 <19.28 NA NA NA NA 26-1075 3 T02-07- North side of 1680 6 0.0519 0.0044 <0.0044 <19.28 NA NA NA NA 26-1076 Roof 4 T02-07- East side of 1680 6 0.0519 0,0044 <0.0044 <19.28 NA NA NA NA 26-1077 Roof 5 T02-07- West side of 1680 6 0.0519 0,0044 <0.0044 <19.28 NA NA NA NA 26-1078 Roof

' sz? ANALYST LABORATORY DIRECTOR E. Sioukri Spiro Dongaris

LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955

o Atlienica Environmental Services Inc. (AES), is responsible only for information pertaining to samples taken by its employees. H 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 o 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 O O I o o

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NYC-WTC_000205930