NYC-WTC_000210313

NYC 9/11 Public Portal Document

208 Stonehinge Lane EMSL Analytical, Inc. Carle Place, NY 11514 Phone; (516) 997-7251 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 > 0.5p - Non- Area Analyzed Sensitivity Asbestos Concentration Sample ID (liters) Type(s) < 5g > 5g Asbestos (mm‘) (S/cc) (S/mm^) (S/cc) 101 1470.00 None Detected 0 0.0635 0.0041 <0.0041

102 1450.00 None Detected 0 0.0636 0.0042 <15.75 <0.0042

103 1950.00 None Detected 0 0.0635 0.0031 <15.75 <0.0031

104 0.00 None Detected 0 0.0635 <15.75

105 0.00 None Detected 0 0.0635 <15.75

106 0.00 None Detected 0 0.0635 <15.75

Daniel Clarke I Analyst Approved Signatory Disclaimers: This laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This laboratory is only responsible for data reported in structures./mm’. This report may not be reproduced, except in full, without written approv,? by (-.MSI... 7 his repott must not be used to claim product endoi senient by NVLAP or any agency of the U S. GoverniTient This report relates only ic ttie samples reported above Quality control data (including 95% confidence limits and laboratory and analysts’ accuracy and precision) is available upon recuest 9

fredita.! lor NVLAP PLM/TEM #101046-10, NY FLAP 11469, CA ELAP 2339, CT PH-0249

I CITY_21MC100_002843214

NYC-WTC_000210321