NYC-WTC_000210322

NYC 9/11 Public Portal Document

208 Stonehinge Lane EMSL Analytical, Inc. Carle Place, NY 11511 Phone; (516) 997-7251 Fax; (516) 997-7528 EMSL Attn.; Commercial Lab Enterprise Wednesday, October 24, 2001 270 Swinton Avenue Bronx, NY 10465 Ref Number: LI0116191

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

#STRUCTURES Analytical Volume Asbestos > 0.5g- Non- Area Analyzed Sensitivity Asbestos Concentration Sample ID (liters) Type(s) < 5g > Sg Asbestos (mm’) (S/cc) (S/mm^) (S/cc) 107 1300.00 None Detected 0 0.0635 0.0047 <1575 <0.0047

108 - 1300 00 None Detected 0 0.0635 0.0047 <15.75 <0.0047

109 1300.00 None Detected 0 0.0635 0.0047 <15.75 <0.0047

110 1240.00 None Detected 0 0.0635 0.0049 <15.75 <0.0049

111 1240.00 None Detected 0 0.0635 0.0049 <15.75 <0.0049

112 1280.00 None Detected 0 0.0635 0.0047 <15.75 <0.0047

Daniel Clarke Analyst Approved Signatory Disclaimers; Tdis laboratory is not responsible for data reported in structures/cc. whicn is dependent on volume collected by non-labcratory personnel This laboratory is only responsible for data reported in structures/mm’. This report may not be reproduced, except in full, witnout written approval by EMSL This report must not oe used to claim product endorsement by NVLAP or any agency of the U.S. Government Ihts reoort relates only to the samples reported above Quality control data (including 95% confidence limits ano laboratory and analysts' accuracy anti prectsionl is available upon request 1

;rediled for NVI,A=> PLMO CM #101048-10. NY ELAP 11469, CA ELAP 2339, CT PH-0249

CITY_21MC100_002843215

NYC-WTC_000210322