NYC-WTC_000205648

NYC 9/11 Public Portal Document

®060 02/20/2002 09:26 FAX JLC ENVIRONMENTAL CONSULTANTS, INC. 200 Park Avenue South, Suite 1001. New York, New York 10003 Phone; (212) 420-8119 Fax; (212) 420-6092 Project No.: 01-2094 Mazal Group LUC (100 John Street) ELAP Lab Code: 11029 Analyte; Fiber* . One West Street NIOSH and AIHA Lab Code; 100273 □ate Collected: 9/19/01 New York, NY 10004 NVLAP Lab Code; 101953 Date Received: 12/10/01 Date Rellnquishe 12/11/01 Site: 100 John Stfoet, New York, NY Date Analyzed: 12/11/01 Batch #:

SUMMARY OF ANALYTICAL RESULTS - TEM AIR

Sample # Results Description/ Location Time (min) Volume (I) AS/tnm2 (STR/cc)* TYPE OF Lab# ASBESTOS B

21 Ambient/ 25th Floor/ Hallway 60 923 <0.003 NSD 945901

31 Ambient/ 19th Floor/ Hallway 60 923 <0.003 NSD 945902

36 Ambient/Apartment 1705/ Foyer 60 923 <0.003 NSD 945903 Area

37 Ambient/ 16th Floor/ Hallway 60 923 0.006 Chrysotile 945904

38 Ambient/ Apartment 1601/ Hallway 60 923 0.003 Amosite/ 945905 Chrysotile .

39 Ambient/ 15th Floor/ Hallway 60 923 <0.003 NSD 945906

AS/mm2> Asbestos Structures per Square Millimeter (STR/cc)'" Asbestos Structures per Cubic Centimeter CHRY» Chrysotile Asbestos NSD= No Asbestos Structures Detected N/A« Not Antlyzed

Method of Sample Pfspimtion and Analysis. All semples analyzed In accordance with the USEPA “Asbestos Containing Materials in Schools Final and Notice" Federal Register Vol. 52 (201/41826^1903 (10/30/87).

Asbestos Analvais bv: Transmission Electron Mieoscopy (TEM) Selected Are* Electron Diffraction (SAEO) Qulam Maehhiwala Energy Dispersive Spectroscopy (EDS) Laberalory Director

Nota; All Samples were analyzed by EMSL Analytical ino., a NIST-NVLAP and NYS-EUAP accredited laboratory and a sub-contractor or JLC Environment Conemtsnts. Inc. (NVLAP # 101048-9, ELAP # 11506).

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NYC-WTC_000205648