NYC-WTC_000187137

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.: Pedneault Associates, Inc. Tuesday, September 25, 2001 1615 Ninth Avenue Bohemia, NY 11716 Ref Number; LI0114992

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

Project: 01090304

#STRUCTURES Analytical Volume Asbestos > 0.5g- Non- Area Analyzed Sensitivity Asbestos Concentration Sample ID (liters) Type(s) < Sg > 5g Asbestos (mm’) (S/cc) (S/iiiiii’) (S/cc)

916A307001 "525^0“ Overloaded

916A307002 600.00 Overloaded

917LAB3-1 900.00 Chrysotile 1 1 0 0.0889 0.0048 22.50 0.0096

917LAB3-2 900.00 None Detected 0 0.0889 0.0048 <11.25 <0.0048

917LAB1-1 y 675.00 Chrysotile 4 1 0 0.1143 0.0050 43.74 0.0250

917A307001 7 450.00 Overloaded

Note: This analysis doesn't meet AHERA protocol; sample seal broken & insufficient volume.

Daniel Clarke 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 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 6

redited for NVLAP PLMfTEM #101048-10, NY ELAP 11469, CA ELAP 2339, CT PH-0249

1 CITY_21MC100^002965297

NYC-WTC_000187142