NYC-WTC_000206006

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY

CLIENT: Warren & Panzer Engineers, P.C. PROJECT: NYC DEP, 200 Church St, ATHENICA LABORATORY ID #: T02-08-112 DATE OF REPORT: 08/23/02 ENVIRONMENTAL SERVICES INC. ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS: 08/22/02 TeL (71») 784-7*90 FILTER TYPE: M C E. EFFECTIVE FILTER AREA (mm^): 385 Fax. (718) 78A4085 AVERAGE G.O. AREA (iiiiii’): 0.012422

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./cm^) AIR CONC. FILTER FOR FOR CHRYS. TYPE (mm^) (struc./cm’) CONC. STRUCT. STRUCT. SPECIFY (str./miii^) 0.5<S<5ixiii SSS.Opm 01 T02-08- By Entrance 1320 5 0.0621 0.0047 <0.0047 <16.10 NA NA~ NA NA 112-1782 02 T02-08- Inside work area 1320 5 0.0621 0.0047 0.0094 32.20 0.0047 0.0047 Chrys. NA 112-1783 South 03 T02-08- Inside work area 1320 5 0.0621 0.0047 <0.0047 <16.10 NA NA NA NA 112-1784 West 04 T02-08- Inside work area 1320 5 0.0621 0.0047 <0.0047 <16.10 NA NA NA NA 112-1785 East 05 T02-08- Inside work area 1320 5 0.0621 0.0047 <0.0047 <16.10 NA NA NA NA 112-1786 North

4W: ANALYST LABORATORY DIRECTOR E. Sioukri Spiro Dongaris

LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955

Athenica Environmental Services Inc. (AES), is responsible only for information pertaining to samples taken by its employees. o Air sampling cassettes will be stored for sixty (60) days. AES Inc., should be notified within l iis time frame for a true duplicate analysis. H 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 rC I supplied solely for the convenience of the client. to 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 lest reports may not be reproduced S 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. o o I o o to CD to cn it. cn

NYC-WTC_000206006