NYC-WTC_000210313

NYC 9/11 Public Portal Document

208 Stone/iinge Lane EMSL Analytical, Inc. Carte Place, NY 11514 Phone: (S16) 99 7-7251 Fax: (516) 997-7528 EMSL. Attn.: Commercial Lab Enterprise Tuesday, October 23, 2001 270 Swinton Avenue Bronx, NY 10465 Ref Number; LI0116152

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

Project: BUILDING # 9 310 GRENNWICH STREET NYC, NY/30TH FLOOR FILE NO. 01231.

# STRUCTURES Analytical Volume Asbestos > 0.5g- Noii- Area Analyzed Sensitivity Asbestos Concentration Sample ID (liters) Type(s) < Sg > 5g Asbestos (mm') (S/cc) (S/mm’) (S/cc) 89 1450.00 None Detected 0 0.0635 0.0042 <15.75 <0.0042

90 1450,00 None Detected 0 0.0635 0.0042 <15:75 <0.0042

91 1450.00 None Detected 0 0.0635 0.0042 <15.75 <0.0042

92 1450.00 None Detected 0 0.0635 0.0042 <15.75 <0.0042

93 1530.00 None Detected 0 0.0635 0.0040 <15.75 <0.0040

94 1610.00 None Detected 0 0.0635 0.0038 <15.75 <0.0038

Daniel Clarke Analyst Approved Signatory Disclaimers: This laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by ncn-laboralory personnel This laboratory is only responsible for data reported in siructures/mm’. This report may not be reproduced, except in full, without written approval by EMSL. This report must not be used Io claim product endorsemeni by NVI.AP or any agency of the U.S. Government. This repoil relates only to the samples I reported above Quality control data (including 95% confidence limits and lahorato^ and analysts' accuracy and precision) is available upon request. 7

AecWed tor NVLAP F'L.M;7EM tt 01046-10, NY EtAP 11450, CA Et.AP 2339, CT PH-0249

CITY_21MC100_002843212

NYC-WTC_000210319