NYC-WTC_000195424

NYC 9/11 Public Portal Document

208 Stoneliinge Lane EMSL Analytical, Inc. Carle Place, NY 11514 ^IVISC Phone: (516) 997-7251 Fax: (516) 997-7528 4 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 ^0.5(1- Noii- Area Analyzed Sensitivity Asbestos Concentration Sample ID (liters) Type(s) <5)1 ^5)1 Asbestos (mm') (S/cc) (S/mm’) (S/cc) 149 1320.00 None Detected 0 0.0635 0.0046 '^1575’ <0.0046

150 1320.00 None Delected 0 0.0635 0.0046 <15.75 <0.-0046

151 1300.00 None Detected 0 0.0635 0.0047 <15.75 <0.0047

152 1250.00 None Detected 0 0.0635 0.0049 <15.75 <0.0049

153 1250.00 None Detected 0 0.0635 0.0049 <15.75 <0.0049

154 1250.00 None Delected 0 0.0635 0.0049 <15.75 <0.0049

Michelle McGowan Analyst Approved I Signatory Dibclainters. This laboratory ts not rosDonsiblo for du’u roporttid in structuros/cc, which is dependent on volume collected by non-laboratory personnel. This laboratory is only resporisiblo for data reported in structurns/inm’. This report may not be reproduced, except in full, witlioul wnlton approval by EMSl. This report must not be used to claim product endorsement by NVLAP or any apency of the IJ S Government. TTih rupott ret.'ib's only to iho samples reported above. Quality control data (hcludinq 95% confidence limits and laboratory and analysts' accuracy and pruci'ion) is wvaiki&lo upon request. 8

ireditedtor NVLAP PIM/TEM #1O104tl 1fi, NY Fl AP 11469, CA ELAP Z.369. CT PH

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CITY_21MC100_0 10317865

NYC-WTC_000195431