NYC-WTC_000195406

NYC 9/11 Public Portal Document

i .4 I 208 Sioneliinge Lane £MSL Analytical^ Inc, CarlePlace,Ny Phone: (516) 997-7251 Fax: (516) 997-7528 eMSO Attn.: k - .J 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 Analytic.'!) Volume Asbestos > 0.5|i - Non- Area Analyzed Sensitivity Asbestos Concentration Sample ID (liters) Typefs) < 5(1 s 5(1 Asbestos (mm’) (S/cc) (S/mnP) (S/cc) 13 1320.00 None Delected 0 0.0635 ” 0.0046 <15.75 <0.0046

14 1320.00 Chrysotile 0 1 0 0.0635 0.0046 15.75 0.0046

15 1310.00 None Detected 0 0.0635 0.0046 <15.75 <0.0046

16 1350.00 None Detected 0 0.0635 0.0045 <15.75 <0.0045

17 1360.00 None Detected 1 0.0635 0.0045 <15.75 <0.0045

18 1360.00 Nono Detected 0 0.0635 0.0045 <15.75 <0.0045

Michelle McGowan Analyst Approved Signatory Disclaimers: This laboratory is not resporti.iblo for data reported In otructures/cc, which is dependent on volume collected by nnr-lano-atoty personnel. This laboratory is only re' ponsible for data reported in structurcs/mm’. This report may not bo reproduced, except io full, without written approval by LMSL This report must nol b© u^eri Io claim produrl endorsement by NVLAP or any agency of the U.S. Gnvernmwnt, This rnpnrl felales only to the samples reported above. Quality» ontrol riatd (including 95% confidence limits and laboratory and analysts' accuracy and prccit.«on) is available upon request 3

15.' ■tilled for NVIAP fl MllStj W, NY fl AP 1CA FLAP 733^ CT f H-0743

CITY_21MC100_010317842

NYC-WTC_000195408