NYC-WTC_000206214

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY CLIENT: Warren & Panzer Engineers. P C. PROJECT: NYC DEP, 17 John Street LABORATORY ID #: T02-10-043 DATE OF REPORT: 10/08/02 ATHENICA ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS: 10/08/02 ENVIRONMENTAL SERVICES INC. FILTER TYPE: M C E EFFECTIVE FILTER AREA 385 Tel. (718) 784.7490 Fax. (718) 784-4085 AVERAGE G.O. AREA (mm^): 0.013838

LABORATORY RESULTS

CLIENT # LAB. ID # LOCATION VOLUME G.O.’s AREA AKALYT. 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 (nun’) (struc./cm’) CONC. STRUCT. STRUCT. SPECIFY (str./nun’) 0.5<S<5)uii S>5.0(Uii 01 T02-10- Clean room personal 1440 4 0.0554 0.0048 <0.0048 <18.07 NA NA NA NA 043-2893 decon 02 T02-10- North area 1440 4 0.0554 0.0048 <0.0048 <18.07 NA NA NA NA 043-2894 0.3 T02-10- West area 1440 4 0.0554 0.0048 0.0097 36.13 <0.0048 0.0097 Chrys. NA 043-2895 04 T02-10- South area 1440 4 0.0554 0.0048 <0.0048 <18.07 NA NA NA NA 043-2896 05 T02-10- East area 1440 4 0.0554 0.0048 0.0145 54.20 <0.0048 0.0145 Chrys. NA 043-2897

ANALYST LABORATORY DIRECTOR E. Dimitrakas Spiro Dongari s

o LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955 H K I [.J Athenica 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 tliis 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. Linder these circumstances, the air concentration data is o supplied solely for the convenience of the client. o The report relates only to items tested. Tliis report must not be used to claim product endorsement by NVLAP or any other agency of the U.S. Government. Test reports may nol be reproduced o except in full and with prior approval of AES Inc. I o The liability of Athenica Environmental Services Inc. with respect to the services charged, shall in no event exceed the amount of the invoice. o co o o co co co

NYC-WTC_000206214