NYC-WTC_000210313

NYC 9/11 Public Portal Document

1 r 208 Stonehinge Lane EMSL Analytical, Jnc. 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 > O.Sfi- Non- Area Analyzed Sensitivity Asbestos Concentration Sample ID (liters) Type(s) < 5g s 5g Asbestos (mm^) (S/cc) (S/mm^) (S/ce) 59 1250.00 None Detected 0 0^0635 0.0049 <15.75 <0.0049

60 1250.00 None Detected 0 0.0635 0.0049 <15.75 <0.0049

61 1250.00 None Detected 0 0.0635 0.0049 <15.75 <0.0049

62 1310.00 None Detected 0 0.0635 0.0046 <15.75 <0.0046

63 0.00 Not Submitted 0 0.0000

64 1350.00 None Detected 0 0.0635 0.0045 <15.75 <0.0045

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 slrucfures/mmT 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 O( any agency of (he U.S. Government This report relates only to the samples reported above Quaiity control data (including 95% confidence limits end laboratory and analysts' accuracy and precision) is available upon request. 2

iretiiled tor NVLAP PLM/TKI/ #101048-10, NY ELAP 11463, CAELAP 2339, CT PH-02<9

CITY_21MC100_002843207

NYC-WTC_000210314