Airborne asbestos TEM analysis report, Jan 2003

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY CLIENT: Warren & Panzer Engineers. P. C PROJECT: NYC DEP, 15 Park Row LABORATORY ID #: T03-01-008 DATE OF REPORT: 0111/03 ANALYT. METHODOLOGY; AHERA DATE OF ANALYSIS: 01/11/03 ATHENICA FILTER TYPE: M C E EFFECTIVE FILTER AREA (mm^): 385 ENVIRONMENTAL SERVICES INC. AVERAGE G.O. AREA (mm^): 0.012820 T«L (71B)78*-7«0 F«x. (718) 7M-«e5 LABORATORY RESULTS

CLIENT # LAB. ID # LOCATION VOLUME G.O.’s AREA ANALYT. TOTAL TOTAL AIR AIR ASBEST. AMPHIB. (It) ANAL AN ALY SENSITIV. ASBESTOS ASBESTOS CONC. CONC. TYPE ASBEST YZED ZED (struct./cmh AIR CONC. FILTER FOR FOR CHRYS. TYPE (mm’) (struc./cm’) CONC. STRUCT. STRUCT. SPECIFY (str./mm’) 0.S<S<5gm S>5.0pm 01 T03-01- Personal decon 1611 4 0.0513 0.0047 <0.0047 <19.50 NA NA NA NA 008-034 02 T03-01- 28'*’ floor south side 1608 4 0.0513 0.0047 <0.0047 <19.50 NA NA NA NA 008-035 03 T03-01- 28'" floor south side 1608 4 0.0513 0.0047 <0.0047 <19.50 NA NA NA NA 008-036 04 T03-01- 27‘" floor west side- 1608 4 0.0513 0.0047 <0.0047 <19.50 NA NA NA NA 008-037 court yard 05 T03-01- 27'*' floor west side 1608 4 0.0513 0.0047 <0.0047 <19.50 NA NA NA NA 008-038 court yard

ANALYST LABORATORY DIRECTOR E. Sioukri Spiro Dongaris

LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955 o H .Mlienica 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. I 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. O the report relates only to hems icstcd. This report must not be used to claim product endorsement by NVl AP nr 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 The liability of Athenica Environmental Services Inc. with respect to the services charged, shall in no event exceed the amount of the invoice. I o o CO CT)

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NYC-WTC_000186917