Air sampling correspondence, 20 Dey Street, Feb 2002

NYC 9/11 Public Portal Document

TESTWELL LAPORATORIES, INC. Environmental Laboratory 47 Hudson Street, Ossining, New York 10562 I J N - c1 _ fl ( II G~ EI.AP# 11142

# 200083-o AIHA # 100147

CERTIFICATE OF LABORATORY ANALYSIS FOR ASBESTOS CONTENT CLIENT: Bovis Land Lease - LMB Project No: MBO-025AB Collected By: Boris Feldman Date Sampled: 09/29/01 Date Analyzed: 10/02/01 PROJECT: Millenium Hilton Hotel PLM Analyst: V. Binchkauskas Church Street TEM Analyst: N/A New York, New York

NUMBER: LAB ID # DESCRIPTION I MATRIX RESULTS (%)

Floor 35-Room 3511-Debris on Cellulose=35% Non-Fibrous=60% 63 01PLM # 8094 Friable Floor and Furniture Fiberglass=5% Other-Trace

Floor 34-Room 3401-Debris on Cellulose=l0% Non-Fibrous=80% 64 01PLM # 8095 Friable Fiberglass=10% Floor and Furniture

Floor 34-Room 3408-Debris on Cellulose=5% Non-Fibrous=59.47% 65 01PLM # 8096 Friable Floor and Furniture-Open Window Fiberglass=35% Chrysotile=<1%

Floor 34-Room 3414-Dust on Floor Friable Cellulose=5% Non-Fibrous=45% 66 01PLM # 8097 and Furniture-Opne Window Fiberglass=50%

Floor 33-Room 3303-Dust on Floor Cellulose=10% Non-Fibrous=40% 67 01PLM # 8098 Friable Fiberglass=50% and Furniture

Floor 33-Elevator Lobby-Debris on Cellulose=10% Non-Fibrous=40% 68 01PLM # 8099 Friable Fiberglass=50% Floor and Furniture

Floor 33-Room 3310-Dust on Floor Cellulose=2% Non-Fibrous=57.19% 69 01PLM # 8100 Friable and Furniture-Open Window Fiberglass=40% Chrysotile=<1%

Floor 32-Room 3202Dust on Floor Cellulose=50% Non-Fibrous=42% 70 01PLM # 8101 Friable Fiberglass=3% Other-5% and Furniture

Floor 32-Room 3210Dust on Floor Cellulose=45% Non-Fibrous=50% 71 01PLM # 8102 Friable Fiberglass=5% and Furniture

Floor 32-Ice Machine-Debris on Cellulose=30% Non-Fibrous=39.75% 72 01PLM # 8103 Friable Fiberglass=25% Other-5% Chrysotile=<1% Floor and Furniture

prior to (1) Sample Information provided on chain of custody assumed correct (2) Samples homogenized by mortar & pestle analysis. (3) Results only pertain to those items tested. (4) The laboratory has non control over sample collection. This certificate of analysis shall not be reproduced expect in full, without the written approval of Testwell Laboratories, Inc.

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AIHA (as It pertains to bulk sample analysis under certification 200083.0) This report and use of above logos must not be used to claim endorsement by AIHA, NVLAP, NIST or any other Federal or State regulatory agencies

NYC-WTC 000103760