Laboratory report for 310 Greenwich Street, May 2002

NYC 9/11 Public Portal Document

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EMSL Analytical, Inc. Carle Pl~rce,~NY lISl4 Phone: (516) 997-7251 Fax.: (516) 997-7528 Attn.: Commercial Lab Enterprise Tuesday, October 30, 2001 270 Swinton Avenue Bronx, NY 10465 Ref Number: L10116410

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA)

Project: BLDG #3-40 HARRISON ST NY, NY 25TH FLR - 01231

# STRUCTURES Analytical Volume Asbestos Z 0.5µ- Non- Area Analyzed Sensitivity Asbestos Concentration Sample ID (liters) Type(s) < 5µ 2 5µ Asbestos (mm') (S/cc) (S/mm') (S/cc) 359 1300.00 None Detected 0 0.0635 0.0047 <15.75 <0.0047

360 1300.00 None Detected 0 0.0635 1 0.0047 I <15.75 <0.0047

1361 I 1300.00 I None Detected I 0 I 0.0635 I 0.0047 I <15.75 <0.0047 1

U362 I 1290.00 I None Detected I 0 I 0.0635 I 0.0047 I <15.75 <0.0047

1363 I 1400.00 I None Detected I 0 I 0.0635 I 0.0043 I <15.75 <0.0043 I

1364 I 1400.00 1 None Detected 1 0 I 0.0635 I 0.0043 1 <15.75 <0.0043 I

Daniel Clarke Analyst f Approved Signatory Disclaimers: This laboratory is not responsible for data reported in structureslcc, which is dependent on volume collected by non-laboratory personnel. This laboratory is only responsible for data reported in structureslmm'. This report may not be reproduced, except in full, without written approval by EMSL. This report must not be used to claim product endorsement by NVLAP or any agency of the U.S. Government. This report relates only to the samples reported above. Quality control data (including 95% confidence limits and laboratory and analysts' accuracy and precision) is available upon request. 8

edited for NVLAP PLMITEM #101048-10, NY ELAP 11469, CA ELAP 2339, CT PH-0249 l6. r - -

NYC-WTC 000134852