NYC-WTC_000206350

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY

CLIENT: Warren & Panzer Engineers, P C. PROJECT: NYC DEP, 80 Maiden Lane LABORATORY ID #: T02 11 121 DATE OF REPORT: 11/30/02 ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS: 11/30/02 ATHENICA FILTER TYPE: MCE EFFECTIVE FILTER AREA (ninC): 385 EStVlRONMENTAL SERVICES INC. AVERAGE G.O. AREA (mmh: 0.013433 Tel. (718) 7&4-7490 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 SEN,SITIV. 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<5pm S>5.0pm 01 T02-11- By the decon 1620 4 0.0537 0.0044 <0.0044 <18.61 NA NA~ NA NA 121-4319 02 T02-11- Inside work area 1620 4 0.0537 0.0044 <0.0044 <18.61 NA NA NA NA 121-4320 south 03 T02-11- Inside work area 1620 4 0.0537 0.0044 <0.0044 <18.61 NA NA NA NA 121-4321 east 04 T02-1I- Inside work area 1620 4 0.0537 0.0044 <0.0044 <18.61 NA NA NA NA 121-4322 west 05 T02-11- Inside work area 1620 4 0.0537 0.0044 <0.0044 <18.61 NA NA NA NA 121-4323 north

ANALYST LABORATORY DIRECTOR E. Sioukri Spiro Dongaris

LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955 o Athcnica 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. (iovemment. Test reports may not be reproduced except in full and with prior approval of AES Inc. O O The liability of Athenica Environmental Services Inc. with respect to the seivices charged, shall in no event exceed the amount of the invoice I o o with respect to the seivices charged, shall in no event exceed the amount of the invoice. co o o

NYC-WTC_000206350