NYC-WTC_000210313

NYC 9/11 Public Portal Document

208 Stonehinge Lane EMSL Analytical, Inc. Carle Place, NY IJ 514 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 > 0.5g - Noii- Area Analyzed Sensitivity Asbestos Concentration Sample ID (liters) Type(s) < 5g > 5g Asbestos (mm’) (S/cc) (S/mm‘) (S/cc) 95 1600.00 None Detected 0 0^0635 0.0038 <15.75 <0.0038

96 1590.00 None Detected 0 0.0635 0.0038 <15,75 <0.0038

97 1550.00 None Detected 0 0.0635 0.0039 <15.75 <0.0039

98 0.00 Not Submitted 0 0.0000

99 1470.00 None Detected 0 0.0635 0.0041 <15.75 <0.0041

100 1470.00 None Detected 0 0.0635 0.0041 <15.75 <0.0041

Daniel Clarke Analyst Approved Signatory Disclaimers; This laboratory is not respons blo for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel This laboratory is oniy responsible for data reported in structures/mmT This repo t may no’ be reproduced, except in full wiltiout Witten approval by EMSL. This report must not be used to claim product etidorsement by NVLAP or any ag-ncy of Vie U.S. Government. This report relates only to the samples i reponed above Quality control data {including 95% confidence limits and laboiatory and analysts' accuracy and precision) is svsilabie uyton request s 1 Lredited for NVLAP PLM/TEM Fl 01045-10, NY ELAP 11469, CAELAP 0339. CT PH-0249

CITY_21MC100_002843213

NYC-WTC_000210320