Asbestos TEM analysis report, Oct 2002

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY CLIENT: Warren & Panzer Engineers, P.C. PROJECT: NYC DEP, 12 Platt Street aTHFNirA laboratory ID #;T02 10-142 DATE OF REPORT: 10/21/02 A I nCIMIVM ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS: 10/21/02 Ef<VlRONMENTAU SERVICES p'JL’J'ER TYPE* Ivl C E EFFECTIVE FILTER AREA (mm^): 385 Tet. (718) 784-7490 AVERAGE G.O. AREA (mm’): 0.013838 rdx. (718) 784-4085

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./cin’) AIR CONC. FILTER FOR FOR CHRYS. TYPE (mm’) (struc./cm’) CONC. STRUCT. STRUCT. SPECIFY (str./mm’) 0.5<S<5nm S>5.0p.m 01 T02-10- Near decon 1725 4 0.0554 0.0040 <0.0040 <18.07 NA N^ NA NA 142-3414 02 T02-10- Across facade on 1725 4 0.0554 0.0040 <0.0040 <18.07 NA NA NA NA 142-3415 sidewalk 03 T02-10- 10' from pump #02 1725 4 0.0554 0.0040 <0.0040 <18.07 NA NA NA NA 142-3416 04 T02-10- 10' from pump #03 1725 4 0.0554 0.0040 <0.0040 <18.07 NA NA NA NA 142-3417 05 T02-10- 10' from pump #04 1725 4 0.0554 0.0040 <0.0040 <18.07 NA NA NA NA 142-3418

A ANALYST LABORATORY DIRECTOR E. Dimitrakas Spiro Dongaris o LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955 H

Athenica Environmental Services Inc. (AES), is responsible only tor 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 S 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 o supplied solely for the convenience of the client. o o 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 I except in full and with prior approval of AES Inc. o o The liability of Athenica Environmental Services Inc. with respect to the services charged, shall in no event exceed the amount of the invoice to

Ui

co

NYC-WTC_000186928