Letter re: 105 Broad Street DEP program exclusion, May 2002

NYC 9/11 Public Portal Document MAY-13-2002 04:12P FROM: TO:12124220184 P:3'G KAM CONSULTANTS 35-4036th Street Long Island Clty NewYark,11106 let: (718}7291997 Fax: (718)729-1816

BULK SAMPLE ANALYSIS REPORT CLIENT: GPS Environmental Consultants, Inc., 31 Trescott Path, Fort Salonga, New York, 11768 BUILDING ADDRESS: 105 Broad Street, Manhattan, New York - Building Facade PROJECT#: Client Sample ID#: 6 8 9 10 11 Lab Sample ID# : 020419A-1649 020419A-1650 020419A-1651 020419A-1652 020419A-1653

Sample Location: Bldg. Facade Bldg. Facade Bldg. Facade Bldg Facade 105 Broad Broad Street Broad Street Water Street Water Street Street Ent. Side Side Side Side Door Homogeneity: Yes Yes Yes Yes Yes Sample Description: Wipe Wipe Wipe Wipe Wipe

Color: Wh WhBr Wh/Blk Wh Wh

Texture: Mixed Mixed Mixed Mixed Mixed Sample Treatment: None None None None None

Asbestos Present: (Type & Percent) ND ND ND ND ND Total Percent Asbestos: 0% 0% 0% 0% 0% Other Fibr. Mat. (Type & Percent): 30%SYNTH 5%SYNTH <1%FBGL 3%SYNTH 5%SYNTH <1%CELL Non Fibr. Mat. (Percent): 70% 95% 98% 97% 45% Date Received: 4/19/02 Date of Analysis: 4/22/02 Date of Report: 4/22/02

Analyst: rN,c~y Lab Manager: ll `( 1 Roods is David Chen * Analysis of samples is performed) Polarized Light Microscopy (PLM) - Point Counting Method (EPA 600/M4-82-020) * Analytical equipments: Stereobinocular microscope (MEIJI EMT-Serial # 25930), Polarized Light Microscope (MEIJI ML-POL-Serial # 88034) * PLM is not consistently reliable in detecting asbestos in floor coverings and similar non-friable organically bound materials. Quantitative transmission electron microscopy is currently the only method that can be used to determine if this material can be considered or treated as non-asbestos-containing * Samples will be stored for ninety (90) days and then returned to the client upon request * The results relate only to the items calibrated or tested. * The certificate of report shall not be reproduced without the written approval of the laboratory. * The report must not be used by the client to claim endorsement by NVLAP or any agency of the US Government. NYS-DOM ELAP # 11273 NIST-NVLAP # 102047 AIHA #: 100269

Page 2 of 3

NYC-WTC 000105455