NYC-WTC_000210322

NYC 9/11 Public Portal Document

208 Stonehinge Lane EMSL Analytical, Inc. Carle Place, NY J1514 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; LIO116191

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

# STRUCTURES Analytical Volume Asbestos > O.Sji - Non- Area Analyzed Sensitivity Asbestos Concentration Sample ID (liters) Type(s) < 5g > 5g Asbestos (mm’) (S/cc) (S/mm’) (S/cc) 119 1320.00 None Detected 0 0.0635 0.0046 <15.75 <0.0046

120 1310.00 None Detected 0 0,0635 0.0046 <15.75 <0.0046

121 1850.00 None Detected 0 0.0508 0.0041 <19.69 <0.0041

122 1300.00 None Detected 0 0.0635 0.0047 <15.75 <0.0047

123 1300.00 None Detected 0 0.0635 0.0047 <15.75 <0.0047

124 1300.00 None Detected 0 0.0635 0.0047 <15.75 <0.0047

Daniel Clarke Analyst Approved 4 Signatory s Disclaimers: 'i his 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 structures/mm’. This report may not be reproduced, except tn full, without written approval by EMSL. This report 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 ai-ove. Qualiiy control data 'including 95% confidence limits and laboratory and analysts’ accuracy and precision) is available upon request 3

red'led (o: NVLAP Pl.MfTEM ((101048-10, NY ELAP 11469 CA ELAP 2339. CT PH-0249

CITY_21MC100_002843217

NYC-WTC_000210324