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 > 0.5fi- Non­ Area Analyzed Sensitivity Asbestos Concentration Sample ID (liters) Type(s) < 5n > Sg Asbestos (mm^) (S/cc) (S/mm’) (S/cc) 915A307001 525.00 Chrysotile 20 9 0 0.2413 0.0030 120.18 008^

915A307002 750.00 Overloaded

915A307003 / 450.00 Overloaded

916A207001 1800.00 Overloaded

916A207002 ' 1800.00 Chrysotile 2 0 0.0508 0.0042 39.37 0.0084

916A207003 J 450.00 Chrysotile 3 1 0 0.0508 0.0168 78.74 0.0674

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

Keith McWilliams 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. 3

iited for NVLAP PLM/TEM #101048-10, NY ELAP 11469. CA ELAP 2339, CT PH-0249

1 CITY_21MC100_002965295

NYC-WTC_000187140