NYC-WTC_000205708

NYC 9/11 Public Portal Document

AIRBORNE asbestos ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY CLIENT: Warren & Panzer Engineers, P.C. PROJECT: NYC DEP, 15-17 Ann St. ATHFNIPA LABORATORY ID #: T02-10-017 DATE OF REPORT: 10/04/02 MI ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS: 10/04/02 ENVIRONMENTAL SERVICES INC. pj^TER TYPE: M.C.E. EFFECTIVE FILTER AREA (mm^): 385 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 ASBESTO CONC. CONC. TYPE ASBEST YZED ZED (struct./em’) AIR CONC. S FOR FOR CHRYS. TYPE (mm’) (struc./cm’) FILTER STRUCT. STRUCT. SPECIFY CONC. 0.5<S<5nm S>5.0|j.m (str./mm’) 1 T02-10- ’ IWA on roof. 1695 4 0.0554 0.0041 <0.0041 <18.07 NA NA NA NA 017-2765 Center of work area. 2 T02-10- IWA on roof. North 1692 4 0.0554 0.0041 0.0041 18.07 <0.0041 0.0041 Chrys. NA 017-2766 section of WA. 3 T02-10- IWA on roof. East 1689 4 0.0554 0.0041 <0.0041 <18.07 NA NA NA NA 017-2767 section of WA. 4 T02-10- IWA on roof. West 1686 4 0.0554 0.0041 0.0041 18.07 <0.0041 0.0041 NA Anth. 017-2768 section of WA. 5 T02-10- OWA on the 1683 4 0.0554 0.0041 <0.6041 <18.07 NA NA NA NA 017-2769 stairwell leading to roof 8ft of entrance.

ANALYST LABORATORY DIRECTOR E. Sioukri Spiro Dongaris

LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955 o Athenica Environmental Services Inc. (AES), is responsible only for inlbrniation pertaining to samples taken by its employees. K Air sampling cassettes will be stored for sixty (00) days AES Ine , should be notified within thus time frame for a true duplicate analysis I II AI S Inc., did not conduct the sampling, the reported airbome concentration was derived based on information provided by the client I Inder these circumstances, the air concentration data is supplied solely for the convenience of the client. S I he report relates only to Herns tested. This report niusl not be used to claim product endorsement by NVI.AP or any other agency of the I ■ S. (iovemment. Test reports may not be reproduced o except in full ami with prior approval of AES Inc. O o The liability of Athenica Enviroiimenlal Services Inc willi rcspcci to the seivices charged, shall in no event exceed the amouiil of the invoice Io o co o o co

NYC-WTC_000205708