Air sampling correspondence, 20 Dey Street, Feb 2002

NYC 9/11 Public Portal Document 1G%71VV LL Lt% Lrs- 1% mir-0 1 1P4'. . Environmental Labor ry ~ y , S ELAP # 11142 47 Hudson Street, Ossining, New York 10562 ii ' _ ~' #2000830 AIHA # 100147 CERTIFICATE OF LABORATORY ANALYSIS FOR ASBESTOS CONTENT CLIENT: Bovis Land Lease - LMB Project No: MBO-025AB Collected By: Boris Feldman Date Sampled: 09/30/01 Date Analyzed: 10/03/01 PROJECT: Millenium Hilton Hotel PLM Analyst: V. Binchkauskas Church Street TEM Analyst: N/A New York, New York - -

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

Room 2307-Dust on Floor and Cellulose = 60% Fiberglass =15% 103 01PLM # 8134 Friable Furnature Non-Fibrous = 25%

Room 2310-Dust on Floor and Chrysotile = 0.52% Cellulose = 15% 104 01PLM # 8135 Friable Furnature Fiberglass = 60% Non-Fibrous = 24.48%

Room 2204-Dust on Floor and Cellulose = 25% Fiberglass = 5% 105 01PLM # 8136 Friable Furniture Non-Fibrous = 70%

Room 2208-Dust on Floor and Cellulose = 20% Other = Trace 106 01PLM # 8137 Friable ° Furniture Fiberglass = 5% Non-Fibrous = 75%

Floor 22-Elevator Lobby-Dust on Cellulose = 10% Fiberglass = 10% 107 01PLM # 8138 Friable Floor and Furniture Non-Fibrous = 80%

Room 2502-Debris on Floor and Cellulose =15% Other = 5% 108 01PLM # 8139 Friable Furniture Fiberglass = 15% Non-Fibrous = 65%

Room 2105-Dust on Floor and Cellulose = 15% Fiberglass = 45% 109 01PLM # 8140 Friable Furniture-Open Window Non-Fibrous = 40°h

Floor 21-Ice Machine-Dust on Floor Cellulose = 5% Fiberglass = 35% 110 01PLM # 8141 Friable and Furniture Non-Fibrous = 60%

Floor 20-Room 2106-Dust on Floor Chrysotile = 0.26% Cellulose = 10% 111 01PLM # 8142 Friable ° and Furniture Fiberglass = 45% Non-Fibrous = 44.74%

Floor 20-Room 2107-Dust on Floor Chrysotile = 2.07% Cellulose = 20% 112 01PLM # 8143 Friable ° and Furniture Fiberglass = 45% Non-Fibrous = 30.93%

(1) Sample Information provided on chain of custody assumed correct (2) Samples homogenized by mortar & pestle prior to 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.

NVLAI „ , , ,,,, , . . ~ Deborah McCarl-Laboratories Director 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 000103768