NYC-WTC_000210304

NYC 9/11 Public Portal Document

n r 1 f • 1 Stonehinge Lane EMSL Analytical^ Inc. Carle Place, NY 11514 Phone; (516) 997-7251 Fax; (516) 997-7528 EMSL Attn.: Commercial Lab Enterprise Saturday, October 20, 2001 270 Swinton Avenue Bronx, NY 10465 Ref Number: LI0116102

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

Project: 310 GREENWICH ST. NY/NY

# STRUCTURES Analytical Volume Asbestos > 0-5g- Non- Area Analyzed Sensitivity Asbestos Concentration Sample ID Asbcstos (liters) Type(s) < 5g S 5g (mm') (S/cc) (S/mm’) (S/cc) 31 1420.00 Chrysotile 1 0 0 0.0635 0.0043 15.75 0.0043

32 1420.00 ■None Detected 0 0.0635 0.0043 <15.75 <0.0043

33 1430.00 None Detected 0 0.0635 0.0042 <15.75 <0.0042

34 1450.00 None Detected 0 0.0635 0.0042 <15.75 <0.0042

35 1450.00 None Detected 1 0.0635 0.0042 <15.75 <0.0042

36 1390.00 None Detected 0 0.0635 0.0044 <15.75 <0.0044

Brian Riedener Analyst O.Z Approved Signatory (Oisciaimers: This iahoratory is not responsible for data reported in structures/cc, which is dependent on volume collected by ncn-'aboratory personnel This laboratory is only responsible for data reported in structures/mm’. Tnis report may not be reproduced, except in full, without written approval by EMSL.

I Ttiis repjit 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 tabcratory and analysts' accuracy and prec sion} is available upon request 6

idited fci NVLAP PLM/TRM #101048-10, NY ELAP 1146S, CA ELAP 2339, CT PH-0249

CITY_21MC100_002843202

NYC-WTC_000210309