NYC-WTC_000210322

NYC 9/11 Public Portal Document

208 Stone/tinge Lane EMSL Analytical, Inc. Carle Place, NY 11514 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: 110116191

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

#STRUCTURES Analytical Volume Asbestos S 0.5g - Non- Area Analyzed Sensitivity Asbestos Concentration Sample ID (li(cis) Type(s) < 5g > 5g Asbestos (min^) (S/cc) (S/mm’) (S/cc) 125 1300.00 None Detected 0 0.0635 0.0047 <15.75 <0.0047

126 1290.00 None Detected 0 0.0635 0.0047 <15.75 <0.0047

127 1450.00 None Detected 0 0.0635 0.0042 <15.75 <0.0042

128 1450.00 None Detected 0 0.0635 0.0042 <15.75 <0.0042

129 1450.00 None Detected 0 0.0635 0.0042 <15.75 <0.0042

130 2280.00 None Detected 0 0.0508 0.0033 <19.69 <0.0033

Daniel Clarke Analyst I 4 Approved Signatory Disclaimers; This laboratory is not responsible for data reported in struclures/cc, which is dependent on volume collected by non-laboratory personnel. This laboratory is only responsible tor data reported in structures/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 or any agency of trie U.S. Government. This report relates only to ttie samples reported above. Quality control data (inctudiny S5% confidence limits and laboialory and analysts' accuracy and precision) is available upon request 4

iredited for NVLAP PLM/TEM #101048-10. NY EL AP 11469. CA ELAP 2339, CT Pri-0243

CITY_21MC100_002843218

NYC-WTC_000210325